[Event "Warsaw YMCA Spring-C 215th"]
[Site "Warsaw"]
[Date "2019.05.22"]
[Round "7"]
[White "Kuznik, Kamil"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "1530"]
[BlackElo "1417"]
[PlyCount "71"]
[EventDate "2019.04.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 g6 7. Bf4 a6 8. Bd3 Bg7 9. Qd2 0-0 10. Rd1 Bg4 11. Be2 e6 12. 0-0 dxc4 13. Bxc4 Bxf3 14. gxf3 Nd5 15. Bh6 Nxc3 16. bxc3 Na5 17. Bd3 Rc8 18. Bxg7 Kxg7 19. Rfe1 Qc7 20. Rc1 Nc4 21. Qg5 Rfe8 22. Re4 Qd8 23. Qg3 Nd6 24. Re5 f6 25. Rh5 f5 26. Rh3 Nf7 27. f4 Nd6 28. Qe3 Nc4 29. Bxc4 Rxc4 30. Qe5+ Kg8 31. Re1 Qc8 32. Ree3 b5 33. Rxh7 Kxh7 34. Rh3+ Kg8 35. Qh8+ Kf7 36. Rh7# 1-0

[Event "Warsaw YMCA Spring-C 215th"]
[Site "Warsaw"]
[Date "2019.05.15"]
[Round "6"]
[White "Duda, Ryszard"]
[Black "Budrewicz, Henryk"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1417"]
[BlackElo "1414"]
[PlyCount "121"]
[EventDate "2019.04.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. Nf3 c6 2. d4 d5 3. Bf4 Nf6 4. h3 Bf5 5. e3 e6 6. Bd3 Ne4 7. 0-0 Nd7 8. c4 Be7 9. Nc3 g5 10. Bh2 g4 11. hxg4 Nxc3 12. bxc3 Bxg4 13. cxd5 exd5 14. Be2 Nf6 15. Ne5 Bxe2 16. Qxe2 0-0 17. Bf4 Kg7 18. Ng4 Nxg4 19. Qxg4+ Kh8 20. g3 Qc8 21. Qh5 Qe6 22. Kg2 Qg6 23. Rh1 Qxh5 24. Rxh5 f6 25. Rah1 Rf7 26. Rf5 Kg8 27. Bh6 Bf8 28. Bf4 Be7 29. Rb1 b5 30. a4 a6 31. Ra1 b4 32. cxb4 Bxb4 33. Rc1 Rc8 34. Rxd5 cxd5 35. Rxc8+ Kg7 36. Rc6 a5 37. Bd6 Rb7 38. Rc7+ Rxc7 39. Bxc7 Kf7 40. g4 Ke6 41. f4 Kd7 42. Bb6 Bd2 43. Kf3 Bb4 44. e4 dxe4+ 45. Kxe4 Bc3 46. Kf5 Bd2 47. Kxf6 Bxf4 48. Bxa5 h6 49. Bb4 Kc6 50. Bc5 Bc7 51. Kg6 Bf4 52. Bf8 Be3 53. Bc5 Bd2 54. Be7 Kd5 55. Bf6 Kc4 56. a5 Bxa5 57. Kxh6 Kd5 58. g5 Ke6 59. Kh7 Bb4 60. Be5 Bf8 61. g6 1-0

[Event "Warsaw YMCA Spring-C 215th"]
[Site "Warsaw"]
[Date "2019.05.14"]
[Round "4"]
[White "Duda, Ryszard"]
[Black "Wiktorowski, Janusz"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1417"]
[BlackElo "1378"]
[PlyCount "87"]
[EventDate "2019.04.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. Nf3 Nc6 2. d4 d5 3. Bf4 Nf6 4. e3 Bg4 5. Be2 e6 6. 0-0 Bd6 7. Bxd6 Qxd6 8. Nbd2 h6 9. c4 dxc4 10. Bxc4 0-0 11. a3 Na5 12. Ba2 c5 13. dxc5 Qe7 14. b4 Nc6 15. Qb3 Rfd8 16. h3 Bf5 17. Bb1 Bxb1 18. Raxb1 Rd5 19. Rfd1 g5 20. Nc4 Ne4 21. Rxd5 exd5 22. Ncd2 Rd8 23. Rd1 Nf6 24. Qb1 g4 25. hxg4 Nxg4 26. Qf5 Nf6 27. Nb3 Kg7 28. Nbd4 Rg8 29. Nxc6 bxc6 30. Nd4 Qe8 31. Qf4 Rh8 32. Nf5+ Kg6 33. Nd6 Qe6 34. Qg3+ Kh7 35. Qf3 Ra8 36. Rd4 a5 37. Rf4 Kg7 38. Nf5+ Kf8 39. Nd4 Qd7 40. Rxf6 axb4 41. axb4 Ke8 42. Qf4 Ra2 43. Nxc6 d4 44. Qb8+ 1-0

[Event "Warsaw YMCA Spring-C 215th"]
[Site "Warsaw"]
[Date "2019.05.08"]
[Round "5"]
[White "Bartczak, Hanna"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "1391"]
[BlackElo "1417"]
[PlyCount "91"]
[EventDate "2019.04.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 d5 5. e3 0-0 6. Bd3 c5 7. 0-0 cxd4 8. exd4 dxc4 9. Bxc4 e6 10. Bf4 a6 11. a4 Nc6 12. Qd2 Nd5 13. Bh6 Re8 14. Bxg7 Kxg7 15. Rfe1 Nxc3 16. Qxc3 Qa5 17. Qe3 Bd7 18. Qf4 h6 19. Ne5 Nxe5 20. dxe5 Qd8 21. Rad1 Qe7 22. Qf6+ Kg8 23. Qxe7 Rxe7 24. Rd6 Bxa4 25. b3 Bc6 26. Red1 Rc7 27. f4 Kg7 28. Kf2 Rac8 29. g4 b5 30. Bd3 Bb7 31. f5 gxf5 32. gxf5 exf5 33. Bxf5 Rh8 34. Rg1+ Kf8 35. Rd8+ Ke7 36. Rxh8 Rc5 37. Re1 Bd5 38. Re3 Rc6 39. Rh3 a5 40. R8xh6 Rxh6 41. Rxh6 Bxb3 42. Rb6 Bc4 43. Ke3 a4 44. Bd3 Bxd3 45. Kxd3 a3 46. Rxb5 1-0

[Event "Warsaw YMCA Spring-C 215th"]
[Site "Warsaw"]
[Date "2019.04.25"]
[Round "3"]
[White "Muck, Piotr"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "D93"]
[WhiteElo "1477"]
[BlackElo "1417"]
[PlyCount "99"]
[EventDate "2019.04.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bf4 c6 6. e3 0-0 7. Be2 Nbd7 8. 0-0 dxc4 9. Bxc4 Nb6 10. Bb3 Nfd5 11. Bg3 Nxc3 12. bxc3 e6 13. Rc1 Nd7 14. Bd6 Re8 15. c4 Bf8 16. Bxf8 Rxf8 17. e4 Re8 18. e5 Nb6 19. Qd2 Kg7 20. Rfd1 Qe7 21. Qf4 Rf8 22. Ng5 h6 23. Ne4 Nd7 24. Rc3 f6 25. exf6+ Nxf6 26. Qe5 Kh7 27. Nd6 Ng4 28. Qg3 Nf6 29. Bc2 Qg7 30. Qh4 Ne8 31. Ne4 Nf6 32. Ng5+ Kg8 33. Nf3 g5 34. Qg3 Nd7 35. Re3 Nb6 36. Ne5 Rf6 37. h4 Nd7 38. hxg5 hxg5 39. Ng4 Rf4 40. Rxe6 Rxg4 41. Qxg4 Nf6 42. Qe2 Bxe6 43. Qxe6+ Kf8 44. d5 cxd5 45. cxd5 Re8 46. Qf5 Kg8 47. d6 Nd7 48. Qd5+ Kf8 49. Qxb7 Re2 50. Qf3+ 1-0

[Event "Warsaw YMCA Spring-C 215th"]
[Site "Warsaw"]
[Date "2019.04.17"]
[Round "2"]
[White "Duda, Ryszard"]
[Black "Jaroszuk, Marcin"]
[Result "0-1"]
[ECO "C74"]
[WhiteElo "1417"]
[BlackElo "1394"]
[PlyCount "50"]
[EventDate "2019.04.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 f5 6. exf5 Bxf5 7. 0-0 Bd3 8. Re1 Be7 9. Re3 e4 10. Nd4 Qd7 11. Nxc6 bxc6 12. Bc2 Bxc2 13. Qxc2 d5 14. d3 Nf6 15. dxe4 Nxe4 16. Re1 0-0 17. Be3 Bd6 18. Nd2 Rae8 19. Nxe4 Rxe4 20. Bd2 Qf5 21. Rf1 Bxh2+ 22. Kh1 Qh5 23. Qd1 Re2 24. g4 Qh3 25. Qxe2 Bg3+ 0-1

[Event "Warsaw YMCA Spring-C 215th"]
[Site "Warsaw"]
[Date "2019.04.10"]
[Round "1"]
[White "Kwiek, Janusz"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "1446"]
[BlackElo "1417"]
[PlyCount "77"]
[EventDate "2019.04.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Be3 Nc6 9. Bb5 Bd7 10. Qd2 Qa5 11. Rb1 a6 12. Be2 cxd4 13. cxd4 Qxd2+ 14. Kxd2 b5 15. Rhc1 0-0 16. d5 Ne5 17. Nxe5 Bxe5 18. f4 Bb8 19. Rb2 Ba7 20. Bxa7 Rxa7 21. Rbc2 Rd8 22. Rc7 Raa8 23. Ke3 Rdc8 24. Rxc8+ Rxc8 25. Rxc8+ Bxc8 26. Kd4 Kf8 27. Kc5 Ke8 28. e5 Kd8 29. Kb6 h6 30. h3 h5 31. a3 f6 32. Bd3 g5 33. fxg5 fxg5 34. e6 h4 35. Be2 Bd7 36. exd7 Kxd7 37. Kxa6 Kd6 38. Kxb5 Kxd5 39. a4 1-0

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.12.11"]
[Round "13"]
[White "Rak, Jacek"]
[Black "Duda, Ryszard"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1428"]
[BlackElo "1502"]
[PlyCount "84"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. Nb5 Bd6 5. Nxd6+ cxd6 6. e3 0-0 7. Bd3 Nc6 8. Nf3 Re8 9. Bg5 e5 10. dxe5 dxe5 11. Bxf6 Qxf6 12. Be2 Bg4 13. h3 Bxf3 14. Bxf3 e4 15. Bg4 Rad8 16. c3 Ne5 17. 0-0 Nxg4 18. Qxg4 Qb6 19. Qe2 Re6 20. Rfd1 Rg6 21. Rd4 Qe6 22. Kh1 Rh6 23. Kh2 Qe5+ 24. g3 Qe6 25. Qf1 Rf6 26. Rad1 Rf5 27. Qg2 Re8 28. Kg1 h5 29. h4 Qc6 30. R1d2 Rfe5 31. Qf1 g5 32. hxg5 Rxg5 33. Qd1 Ree5 34. Kg2 h4 35. Qh1 hxg3 36. fxg3 Qg6 37. Qe1 Rh5 38. Rf2 Qh6 39. Qg1 Rh3 40. Rf4 Rg5 41. g4 Qh4 42. Qf2 Rh2+ 0-1

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.12.05"]
[Round "12"]
[White "Duda, Ryszard"]
[Black "Derylo, Maksymilian"]
[Result "0-1"]
[ECO "B97"]
[WhiteElo "1502"]
[BlackElo "1401"]
[PlyCount "120"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qb6 9. Nb3 Nc6 10. 0-0-0 Qc7 11. Kb1 0-0 12. a3 Rd8 13. g4 h6 14. Bh4 Nxe4 15. Bxe7 Nxc3+ 16. Qxc3 Qxe7 17. h4 e5 18. f5 h5 19. Be2 hxg4 20. Bxg4 Qf6 21. Rdf1 Ne7 22. Qh3 Nd5 23. h5 Bd7 24. Nd2 Nf4 25. Qg3 Bc6 26. Rh2 Qg5 27. Rg1 Rac8 28. Bf3 Qxg3 29. Rxg3 Bxf3 30. Nxf3 f6 31. h6 g6 32. fxg6 Rd7 33. Nh4 d5 34. Nf5 Ne6 35. Rhg2 Ng5 36. h7+ Kh8 37. Rh2 Ne6 38. Nh6 Ng5 39. Nf5 Ne6 40. Rgh3 Rdd8 41. Nh6 Ng5 42. Nf7+ Nxf7 43. gxf7 Rd7 44. Rf2 Rxf7 45. Rh5 Rcf8 46. Rhf5 Kxh7 47. Rh5+ Kg6 48. Rfh2 d4 49. R2h4 f5 50. Rh6+ Kg5 51. R6h5+ Kf6 52. Rh6+ Ke7 53. Rb6 Ke8 54. Rhh6 f4 55. Rhe6+ Re7 56. Rxe7+ Kxe7 57. Rxb7+ Kf6 58. Rb6+ Kf5 59. Rxa6 f3 60. Rh6 f2 0-1

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.11.27"]
[Round "11"]
[White "Janeczko, Jakub"]
[Black "Duda, Ryszard"]
[Result "1/2-1/2"]
[ECO "B73"]
[WhiteElo "1532"]
[BlackElo "1502"]
[PlyCount "113"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 0-0 8. 0-0 Nc6 9. Kh1 a6 10. f4 e6 11. Bf3 Qc7 12. Qd2 Nxd4 13. Bxd4 e5 14. Be3 Bg4 15. Bxg4 Nxg4 16. Nd5 Qd8 17. f5 Nxe3 18. Qxe3 Bf6 19. Qb3 Bg5 20. Qxb7 Rb8 21. Qxa6 Rxb2 22. Qd3 Qa5 23. a3 Rc8 24. Nb4 Qc5 25. fxg6 hxg6 26. Rfd1 Be7 27. Qd5 Qxd5 28. Rxd5 Ra8 29. Nc6 Bf8 30. a4 Rxa4 31. Rc1 Rxc2 32. Rdd1 Rxc1 33. Rxc1 Rxe4 34. Kg1 d5 35. Kf2 Rc4 36. Rxc4 dxc4 37. Nxe5 c3 38. Ke2 Bd6 39. Nc4 Bxh2 40. Kd3 f5 41. Kxc3 Bc7 42. Kd3 Kf7 43. Ke3 Kf6 44. Kf3 g5 45. g4 f4 46. Nd2 Ke5 47. Ne4 Bd8 48. Nc5 Kd5 49. Ne4 Be7 50. Nf2 Kd4 51. Ne4 Kd3 52. Nf2+ Kd4 53. Ne4 Ke5 54. Nf2 Bc5 55. Nd3+ Kd5 56. Nxf4+ gxf4 57. Kxf4 1/2-1/2

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.11.23"]
[Round "10"]
[White "Duda, Ryszard"]
[Black "Kwiek, Janusz"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1502"]
[BlackElo "1590"]
[PlyCount "72"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Kh1 b5 10. Bg5 Bb7 11. Bxf6 Bxf6 12. Nd5 Nd7 13. Nxf6+ Nxf6 14. f3 Rc8 15. Bd3 d5 16. Qe2 Re8 17. a4 dxe4 18. fxe4 b4 19. Qf2 Re7 20. Qe2 Qb6 21. Nd2 Qc6 22. b3 Rd8 23. Rae1 g6 24. Nc4 Nh5 25. Na5 Qc3 26. Nxb7 Rxb7 27. g3 a5 28. Rd1 Rbd7 29. Rde1 Ng7 30. Rf2 Ne6 31. Qd1 Nc5 32. Rd2 Nxb3 33. cxb3 Rxd3 34. Rxd3 Rxd3 35. Qe2 Rd2 36. Qc4 Qf3+ 0-1

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.11.09"]
[Round "9"]
[White "Duda, Ryszard"]
[Black "Budrewicz, Henryk"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1502"]
[BlackElo "1465"]
[PlyCount "120"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d6 3. c4 Qc7 4. Nc3 e5 5. Be3 Be7 6. Qd2 Nf6 7. Nf3 Bg4 8. Be2 0-0 9. h3 Bh5 10. 0-0 Bg6 11. Bd3 Nbd7 12. b4 a6 13. a4 Rfc8 14. dxe5 dxe5 15. c5 Rd8 16. Qc2 Nf8 17. Ne2 Ne6 18. g3 Rxd3 19. Qxd3 Bxe4 20. Qa3 Bxf3 21. Nc3 Nd5 22. Nxd5 Bxd5 23. Rae1 Bc4 24. Qc3 Bxf1 25. Kxf1 Rd8 26. Kg2 Bf6 27. Qc1 Qd7 28. h4 Qd5+ 29. Kh2 Nd4 30. Bxd4 Qxd4 31. Re2 e4 32. Qe1 Re8 33. Rd2 Qe5 34. Re2 g5 35. hxg5 Bxg5 36. f4 Bxf4 37. gxf4 Qxf4+ 38. Kg1 Kh8 39. Qc3+ Qe5 40. Qb3 Rg8+ 41. Kf1 Qa1+ 42. Re1 Rg1+ 43. Kxg1 Qxe1+ 44. Kg2 Qe2+ 45. Kg1 Qg4+ 46. Kh2 Qf4+ 47. Kg1 Qf3 48. Qb2+ f6 49. Qd2 Qg3+ 50. Kh1 Qd3 51. Qh6 Qf3+ 52. Kg1 Qg4+ 53. Kf2 Qg7 54. Qf4 Qe7 55. Ke3 Qe5 56. Qf1 f5 57. Qd1 Qc3+ 58. Kf4 Qf3+ 59. Qxf3 exf3 60. Kxf3 Kg7 0-1

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.11.07"]
[Round "8"]
[White "Bartczak, Hanna"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "D93"]
[WhiteElo "1453"]
[BlackElo "1502"]
[PlyCount "121"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 d5 5. Bf4 0-0 6. e3 Bg4 7. h3 Bxf3 8. Qxf3 e6 9. Bd3 c6 10. cxd5 Nxd5 11. Nxd5 Qxd5 12. Qxd5 exd5 13. Kd2 Nd7 14. Bd6 Rfe8 15. b4 Re6 16. Bg3 Rae8 17. Rhe1 Nf6 18. f3 Bf8 19. a3 Bd6 20. Bf2 Bc7 21. Rec1 a6 22. a4 Bd8 23. Rab1 R8e7 24. b5 axb5 25. axb5 Ba5+ 26. Kd1 cxb5 27. Rxb5 b6 28. Rc8+ Re8 29. Rc2 Kg7 30. Rbb2 Rd8 31. Bb5 Re7 32. Ke2 g5 33. Bg3 Ne8 34. h4 h6 35. hxg5 hxg5 36. Rc6 Re6 37. Be5+ Kg8 38. Rc1 Rh6 39. Rbc2 f6 40. Rc6 Kg7 41. Bg3 Rh8 42. Bd3 Rf8 43. Bf5 Rh8 44. f4 Nd6 45. Rc7+ Kf8 46. Bg6 Ne4 47. Bxe4 dxe4 48. fxg5 Rg8 49. Rf1 Rxg5 50. Rxf6+ Kg8 51. Kf2 Be1+ 52. Kxe1 Rxg3 53. Kf2 Rg4 54. Rcc6 b5 55. Rg6+ Rxg6 56. Rxg6+ Kf7 57. Rb6 Rd5 58. Kg3 Rf5 59. Kg4 Rf2 60. Rxb5 Rxg2+ 61. Kf4 1-0

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.10.24"]
[Round "6"]
[White "Wojnowski, Jan"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "1559"]
[BlackElo "1502"]
[PlyCount "73"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 e6 7. d3 a5 8. a4 Nf6 9. Bg5 Be7 10. Qe2 0-0 11. Ne5 Nbd7 12. Nxg6 hxg6 13. h4 Qc7 14. d4 Bd6 15. Ne4 Nxe4 16. Qxe4 Nf6 17. Bxf6 gxf6 18. 0-0-0 f5 19. Qe2 Bf4+ 20. Kb1 Bh6 21. g3 Rad8 22. f4 Bg7 23. c3 c5 24. h5 Rd5 25. Bxd5 exd5 26. hxg6 fxg6 27. Qe6+ Qf7 28. Qxf7+ Rxf7 29. dxc5 Rd7 30. Rd3 Bf8 31. Rhd1 Bxc5 32. Rxd5 Rxd5 33. Rxd5 Bf2 34. Rd3 b6 35. Kc2 Kf7 36. b4 axb4 37. cxb4 1-0

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.10.17"]
[Round "5"]
[White "Duda, Ryszard"]
[Black "Dabrowska, Aleksandra"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "1502"]
[BlackElo "1400"]
[PlyCount "96"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc5 6. c3 h6 7. d4 exd4 8. cxd4 Bb4+ 9. Nc3 Nf6 10. 0-0 0-0 11. e5 Nh7 12. Qd3 Re8 13. Bxf7+ Kxf7 14. Qxh7 Rh8 15. Qe4 Re8 16. d5 Bxc3 17. bxc3 Na5 18. Qf4+ Kg8 19. Re1 Bb7 20. Qd4 c6 21. Qg4 Kh8 22. d6 c5 23. Nh4 Re6 24. Ng6+ Rxg6 25. Qxg6 Qh4 26. Be3 Nc4 27. Bxc5 Nd2 28. Qg3 Qc4 29. Bd4 Qe6 30. Qf4 Nc4 31. f3 Re8 32. a4 Nb2 33. Reb1 Nxa4 34. Rxa4 bxa4 35. Rxb7 a3 36. Rb1 a2 37. Ra1 Rb8 38. Qe4 Qb3 39. c4 Qxc4 40. Kf2 Rb4 41. Be3 Rb2+ 42. Kg3 Qe2 43. f4 Rb3 44. Qa8+ Kh7 45. Qf8 Rxe3+ 46. Kh4 g5+ 47. fxg5 hxg5+ 48. Kxg5 Qxg2+ 0-1

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.10.10"]
[Round "4"]
[White "Kuznik, Kamil"]
[Black "Duda, Ryszard"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1553"]
[BlackElo "1502"]
[PlyCount "102"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 e6 5. Nf3 Nf6 6. Bd3 dxc4 7. Bxc4 Bb4+ 8. Bd2 Bxd2+ 9. Qxd2 0-0 10. Nc3 Nc6 11. 0-0 a6 12. Rad1 Qa5 13. d5 exd5 14. Nxd5 Nxd5 15. Bxd5 Qxd2 16. Rxd2 Be6 17. Bxe6 fxe6 18. Rd7 Rf7 19. Rfd1 Rxd7 20. Rxd7 Rd8 21. Ne5 Rxd7 22. Nxd7 Nd8 23. Nc5 Kf7 24. Kf1 Ke7 25. Ke2 a5 26. Kd3 b5 27. Nb3 Nc6 28. Ke4 Kd6 29. Nd4 Nxd4 30. Kxd4 e5+ 31. Ke4 Ke6 32. g3 g5 33. f3 h6 34. f4 exf4 35. gxf4 g4 36. f5+ Kf6 37. Kf4 h5 38. Ke4 h4 39. Kf4 g3 40. hxg3 hxg3 41. Kxg3 Kxf5 42. Kf3 Ke5 43. Ke3 Kd5 44. Kd3 Kc5 45. Kc3 b4+ 46. Kd3 a4 47. b3 axb3 48. axb3 Kd5 49. Ke3 Ke5 50. Kd3 Kd5 51. Ke3 Ke5 1/2-1/2

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.10.03"]
[Round "3"]
[White "Duda, Ryszard"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1502"]
[BlackElo "1476"]
[PlyCount "101"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Be7 8. Re1 Bg4 9. c4 Nf6 10. cxd5 Nxd4 11. Qa4+ c6 12. Nxd4 Qxd5 13. Nc3 Qd7 14. Be3 0-0 15. Be2 Rfe8 16. Bxg4 Nxg4 17. Nf3 Nxe3 18. Rxe3 Bc5 19. Rxe8+ Rxe8 20. Qc2 h6 21. h3 Bb6 22. Rd1 Qe6 23. Re1 Qd7 24. Rxe8+ Qxe8 25. Qf5 f6 26. Qg4 Qe7 27. Ne4 Qf7 28. Ng3 Bc7 29. Nf5 h5 30. Qe4 Qxa2 31. Qe8+ Kh7 32. Qxh5+ Kg8 33. Qe8+ Kh7 34. g3 Qb1+ 35. Kg2 Qxf5 36. Qe7 Bb6 37. Qe2 Qb5 38. Qe4+ f5 39. Qe6 Qd5 40. Qe7 c5 41. Qg5 Qe4 42. Qh5+ Kg8 43. Kh2 Qe2 44. Qxf5 Qxf2+ 45. Kh1 Qxg3 46. Qc8+ Kh7 47. Qf5+ Qg6 48. Ng5+ Kh6 49. Nf7+ Kh7 50. Ng5+ Kh6 51. Nf7+ 1/2-1/2

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.09.26"]
[Round "2"]
[White "Szumigaj, Marcin"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "1427"]
[BlackElo "1502"]
[PlyCount "67"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 Nc6 9. d5 Bxc3+ 10. Bd2 Bxd2+ 11. Qxd2 Nb8 12. Qc3 0-0 13. Be2 b6 14. h4 Bg4 15. Qd2 Kg7 16. Ng5 Bxe2 17. Kxe2 h6 18. Qc3+ Kg8 19. h5 Qd6 20. Nf3 g5 21. g3 Nd7 22. Rbd1 f6 23. Rhe1 e6 24. Kf1 exd5 25. Rxd5 Qe6 26. Kg2 Rae8 27. Red1 Ne5 28. Nxe5 fxe5 29. Rd6 Qf7 30. Qd2 Qxh5 31. Qd5+ Rf7 32. Rf6 g4 33. Rh1 Qg5 34. Qxf7+ 1-0

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.09.21"]
[Round "7"]
[White "Duda, Ryszard"]
[Black "Kwiecinski, Rafal"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1502"]
[BlackElo "1527"]
[PlyCount "92"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Qc7 4. c3 e5 5. 0-0 a6 6. Bxc6 dxc6 7. h3 Bd7 8. d3 f6 9. Be3 h5 10. Nh4 0-0-0 11. Ng6 Rh7 12. Nxf8 Rxf8 13. Bxc5 Rf7 14. Qb3 g5 15. Qb6 Rfg7 16. Nd2 Qxb6 17. Bxb6 Ne7 18. Nb3 g4 19. h4 f5 20. g3 f4 21. Nc5 Ng6 22. Nxd7 Kxd7 23. d4 exd4 24. Bxd4 Re7 25. Rfe1 Kc7 26. Rad1 b6 27. Bf6 Re6 28. Bg5 Rf7 29. Kg2 f3+ 30. Kf1 Rf8 31. Rd4 c5 32. Rd5 Kc6 33. Rd8 Rxd8 34. Bxd8 Ne5 35. b3 Rd6 36. Bg5 Rd3 37. Bf6 Kd6 38. c4 Rd2 39. Bxe5+ Kxe5 40. Ra1 Kxe4 41. Ke1 Re2+ 42. Kf1 Kd3 43. Rd1+ Kc3 44. Rc1+ Kb2 45. Re1 Rd2 46. a4 Kxb3 0-1

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.09.19"]
[Round "1"]
[White "Duda, Ryszard"]
[Black "Wiktorowski, Janusz"]
[Result "0-1"]
[ECO "C96"]
[WhiteElo "1502"]
[BlackElo "1447"]
[PlyCount "64"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 cxd4 12. cxd4 exd4 13. Nxd4 Be6 14. b4 Nc4 15. Nc6 Qc7 16. Nxe7+ Qxe7 17. Nc3 Rfe8 18. Bg5 Rac8 19. Bb3 h6 20. Nd5 Bxd5 21. Bxf6 Qxf6 22. Qxd5 Re5 23. Qd1 Rce8 24. Bc2 d5 25. f3 Qg5 26. Qd3 Qg3 27. Rf1 Rh5 28. exd5 g6 29. f4 Re3 30. Qd1 Rxh3 31. Rf3 Rxf3 32. Qxf3 Qh2+ 0-1

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.06.22"]
[Round "13"]
[White "Duda, Ryszard"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1444"]
[BlackElo "1494"]
[PlyCount "92"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. d3 d5 5. exd5 Nxd5 6. Bd2 Nxc3 7. Bxc3 Bxc3+ 8. bxc3 Nc6 9. Be2 0-0 10. 0-0 b6 11. Nd2 Bb7 12. Bf3 Na5 13. Bxb7 Nxb7 14. Re1 Re8 15. Qf3 Nd6 16. c4 c5 17. a4 g6 18. Qd5 Qf6 19. Ne4 Nxe4 20. Qxe4 Rad8 21. f3 Qd6 22. Qe3 Qd4 23. Qxd4 exd4 24. Kf2 f5 25. Rxe8+ Rxe8 26. a5 Kf7 27. axb6 axb6 28. Ra7+ Re7 29. Ra8 Re8 30. Rxe8 Kxe8 31. h4 Kf7 32. Kg3 Kf6 33. Kf4 h6 34. g4 g5+ 35. hxg5+ hxg5+ 36. Kg3 f4+ 37. Kf2 Ke6 38. Ke2 Kd6 39. Kd2 Kc6 40. c3 b5 41. cxb5+ Kxb5 42. Kc2 Kc6 43. cxd4 cxd4 44. Kb3 Kb5 45. Ka3 Ka5 46. Kb3 Kb5 1/2-1/2

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.06.20"]
[Round "12"]
[White "Wasilewski, Orhan"]
[Black "Duda, Ryszard"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1401"]
[BlackElo "1444"]
[PlyCount "90"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. h4 h6 7. h5 Bh7 8. Bg2 c5 9. Nge2 Nc6 10. Be3 cxd4 11. Bxd4 Nxd4 12. Nxd4 Bb4 13. 0-0 a6 14. Nce2 Qc7 15. c3 Bc5 16. f4 Ne7 17. Qd2 Nc6 18. Rac1 0-0 19. Kh1 Qe7 20. Nf3 Be4 21. g5 Bxf3 22. Rxf3 hxg5 23. Rg3 f6 24. Nd4 Bxd4 25. cxd4 fxe5 26. fxe5 Rf4 27. Rg1 Raf8 28. Qd3 Rh4+ 29. Rh3 g4 30. Qg6 Rxh3+ 31. Bxh3 gxh3 32. h6 Rf7 33. Qh5 Nxd4 34. hxg7 Rxg7 35. Rxg7+ Qxg7 36. Qe8+ Kh7 37. Qh5+ Qh6 38. Qf7+ Qg7 39. Qh5+ Kg8 40. Qe8+ Qf8 41. Qg6+ Kh8 42. Qh5+ Kg7 43. Qg5+ Kf7 44. Qf6+ Ke8 45. Qg6+ Qf7 0-1

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.06.13"]
[Round "11"]
[White "Duda, Ryszard"]
[Black "Budrewicz, Henryk"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "1444"]
[BlackElo "1445"]
[PlyCount "87"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Be3 Nf6 6. Bd3 e5 7. Nxc6 dxc6 8. 0-0 Ng4 9. Bd2 Qh4 10. h3 Nf6 11. Qf3 Be6 12. Be3 Be7 13. Nd2 0-0 14. Rfe1 Kh8 15. Bf1 g5 16. g3 Qh6 17. g4 Qg6 18. Qg3 h5 19. f3 hxg4 20. fxg4 Kg7 21. Nf3 Nd7 22. Rad1 f6 23. Nd2 b5 24. Qf2 a5 25. b3 Rh8 26. Bg2 Rh7 27. Nf1 Rah8 28. Ng3 Rxh3 29. Bxh3 Rxh3 30. Nf5+ Bxf5 31. exf5 Qh6 32. Qg2 Nc5 33. Bf2 e4 34. Re3 Rxe3 35. Bxe3 Kf7 36. Qf2 Qf8 37. Qh2 Kg7 38. Kg2 b4 39. Rh1 Qg8 40. Qh6+ Kf7 41. Qh7+ Qxh7 42. Rxh7+ Ke8 43. Rxe7+ Kxe7 44. Bxc5+ 1-0

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.05.30"]
[Round "9"]
[White "Duda, Ryszard"]
[Black "Kuznik, Kamil"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "1444"]
[BlackElo "1505"]
[PlyCount "61"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 e5 10. Nf5 Bxf5 11. exf5 Nc6 12. Bxf6 Bxf6 13. Nd5 Qd8 14. Nxf6+ Qxf6 15. fxe5 dxe5 16. g4 Rc8 17. Bd3 0-0 18. h4 Qe7 19. g5 Qc5 20. Kb1 Nb4 21. Rc1 Qa5 22. a3 Nxd3 23. cxd3 Qd2 24. Rhd1 Qh2 25. Qxb7 Rb8 26. Qxb8 Rxb8 27. Rc2 Qxh4 28. Rdc1 g6 29. Rc8+ Rxc8 30. Rxc8+ Kg7 31. f6# 1-0

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.05.15"]
[Round "7"]
[White "Duda, Ryszard"]
[Black "Sypula, Krzysztof"]
[Result "0-1"]
[ECO "A87"]
[WhiteElo "1444"]
[PlyCount "146"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 d6 6. c4 0-0 7. Nc3 Qe8 8. Qb3 Kh8 9. Re1 Ne4 10. e3 Qf7 11. Rf1 Nxc3 12. bxc3 c6 13. Ba3 Na6 14. Nd2 Nc7 15. Rab1 Rd8 16. Rfd1 e6 17. Bb2 Ne8 18. a4 Nf6 19. Qc2 Qc7 20. Nb3 Bd7 21. Ra1 Be8 22. Rdc1 Bf7 23. Nd2 e5 24. Qb3 Rab8 25. d5 e4 26. dxc6 bxc6 27. Qc2 Ng4 28. Bf1 Bh6 29. Re1 Qb6 30. Rab1 Ne5 31. Ba3 Qc7 32. Rxb8 Rxb8 33. Rb1 c5 34. Rxb8+ Qxb8 35. Qb2 Qxb2 36. Bxb2 Kg8 37. Be2 Bg7 38. Kg2 Kf8 39. h3 Ke7 40. Kf1 Be8 41. Bd1 Nd3 42. Ba1 Ke6 43. Nb1 g5 44. Na3 a6 45. Bb3 Ke5 46. Nb1 h5 47. Nd2 f4 48. Bc2 Bc6 49. Bd1 f3 50. Bc2 Nc1 51. Bb2 Ne2 52. Nb1 Kf5 53. Nd2 Ke5 54. Nb1 Bd7 55. h4 gxh4 56. gxh4 Bf6 57. Bd1 Bh3+ 58. Ke1 Ng1 59. Nd2 Bxh4 60. Nf1 Be6 61. Bb3 Kf5 62. Bc1 Nh3 63. Ng3+ Bxg3 64. fxg3 Kg4 65. Kf1 Kxg3 66. Bd2 Ng5 67. Be1+ Kh2 68. Bh4 Nf7 69. Kf2 Ne5 70. Bg5 Kh3 71. Bf4 Nd3+ 72. Kf1 Nxf4 73. exf4 Kg3 0-1

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.05.10"]
[Round "6"]
[White "Szymanski, Pawel"]
[Black "Duda, Ryszard"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "1506"]
[BlackElo "1444"]
[PlyCount "105"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nf6 7. Ne5 Nbd7 8. Nxg6 hxg6 9. Bd3 e6 10. Ne4 Nxe4 11. Bxe4 Nf6 12. Bf3 Bd6 13. g3 Qc7 14. Qe2 0-0-0 15. Be3 Rde8 16. Qc4 Nd5 17. Bd2 Nb6 18. Qd3 e5 19. 0-0 exd4 20. Qxd4 f5 21. Rad1 Re6 22. Rfe1 Rhe8 23. Rxe6 Rxe6 24. Bg5 Kb8 25. b3 Nc8 26. a4 Be5 27. Qd7 Qxd7 28. Rxd7 Re8 29. c4 Nd6 30. Kf1 Kc8 31. Re7 Rxe7 32. Bxe7 Kd7 33. Bg5 Ke6 34. Be3 a6 35. Bc5 Nf7 36. Ke2 Bf6 37. Ke3 Ne5 38. Be2 Nd7 39. Bb4 c5 40. Bd2 a5 41. Bxa5 b6 42. Bd2 Bd4+ 43. Kf3 Ne5+ 44. Kg2 Nc6 45. Bf3 Na5 46. Bd1 Nc6 47. Bf4 Be5 48. Kf3 Nd4+ 49. Ke3 Nc6 50. h4 Bd4+ 51. Ke2 Be5 52. Bd2 Bd4 53. Be3 1/2-1/2

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.05.01"]
[Round "5"]
[White "Wiktorowski, Janusz"]
[Black "Duda, Ryszard"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1430"]
[BlackElo "1444"]
[PlyCount "148"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. f4 d5 3. e5 e6 4. Nf3 c5 5. d4 Nc6 6. Be2 cxd4 7. Nxd4 Bc5 8. c3 Nge7 9. Be3 Nxd4 10. cxd4 Bb4+ 11. Bd2 Bxd2+ 12. Nxd2 Nf5 13. Bb5+ Bd7 14. Bxd7+ Qxd7 15. Nb3 b6 16. g4 Ne7 17. 0-0 0-0 18. Qd2 f6 19. Rf2 fxe5 20. fxe5 Rxf2 21. Kxf2 Rf8+ 22. Kg2 Ng6 23. Qe3 Qf7 24. Nd2 Qe7 25. Rf1 Rxf1 26. Nxf1 Qf7 27. Nd2 Ne7 28. Nf3 h6 29. h4 Qg6 30. Kh3 Qb1 31. Qf2 Nc6 32. g5 Qf5+ 33. Kg3 h5 34. Qd2 Qg4+ 35. Kf2 Qe4 36. Qe2 Qf5 37. Qd2 a5 38. a3 a4 39. Qc3 Na5 40. Qc8+ Kh7 41. Qe8 g6 42. Qxa4 Nc4 43. Qb4 Kg7 44. Qc3 Qb1 45. b3 Qa2+ 46. Kg3 Qxa3 47. Qc2 Qb2 48. Qd3 Na5 49. Qb5 Qxb3 50. Qd7+ Kf8 51. Qxe6 Qd3 52. Qf6+ Ke8 53. e6 Qf5 54. Qxf5 gxf5 55. Kf4 Nc6 56. Kxf5 Ne7+ 57. Ke5 b5 58. Kd6 b4 59. Nd2 Nf5+ 60. Kxd5 Nxh4 61. Kc4 Ng6 62. Kxb4 Nf4 63. d5 Nxd5+ 64. Kc5 Nf4 65. Kd6 h4 66. Ke5 Ng6+ 67. Kf6 Nf4 68. g6 Nh5+ 69. Kg5 h3 70. Nf3 Ng7 71. Kf6 Nh5+ 72. Kg5 Ng7 73. Kg4 Nxe6 74. Kxh3 Nf4+ 1/2-1/2

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.04.27"]
[Round "10"]
[White "Kwiecinski, Rafal"]
[Black "Duda, Ryszard"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1476"]
[BlackElo "1444"]
[PlyCount "76"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 Nc6 3. c3 Nf6 4. d3 d6 5. f4 e6 6. Qe2 Be7 7. Nf3 0-0 8. Ng5 h6 9. h4 d5 10. Bb3 dxe4 11. dxe4 e5 12. f5 Na5 13. Bc2 c4 14. Be3 Qc7 15. Nd2 b5 16. Nh3 Rd8 17. g4 Bc5 18. Bxh6 gxh6 19. g5 hxg5 20. hxg5 Ne8 21. 0-0-0 b4 22. g6 f6 23. Nxc4 Rxd1+ 24. Bxd1 Ba6 25. Bb3 Nxb3+ 26. axb3 bxc3 27. bxc3 Bf8 28. Qh5 Bxc4 29. bxc4 Rb8 30. Nf4 Ba3+ 31. Kc2 Rb2+ 32. Kd3 Qd7+ 33. Nd5 Qg7 34. Qg4 Qd7 35. Rh7 Qa4 36. Ne7+ Bxe7 37. Rxe7 Qc2+ 38. Ke3 Qxc3# 0-1

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.04.25"]
[Round "4"]
[White "Duda, Ryszard"]
[Black "Bartczak, Hanna"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1444"]
[BlackElo "1401"]
[PlyCount "21"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. 0-0 Nf6 5. Re1 Bg4 6. c3 0-0 7. d4 Nbd7 8. Nbd2 c6 9. Nf1 Nxe4 10. Rxe4 d5 11. Rxg4 1-0

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.04.17"]
[Round "3"]
[White "Wyczesany, Dariusz"]
[Black "Duda, Ryszard"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "1388"]
[BlackElo "1444"]
[PlyCount "91"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Nc6 7. d3 Bd7 8. Nf3 Be7 9. Be3 0-0 10. 0-0 Rb8 11. Nd2 b6 12. Nc4 Bf6 13. Qc2 Qe7 14. Rab1 Rfe8 15. Bc1 b5 16. Ne3 Qd8 17. Nd5 Be7 18. Nxe7+ Nxe7 19. f4 exf4 20. Rxf4 Ng6 21. Rf2 Rb6 22. e4 c5 23. Be3 Qc7 24. a3 h6 25. Qe2 a6 26. Rbf1 Be6 27. Qh5 Rc8 28. Bf3 Qe5 29. Qxe5 Nxe5 30. Be2 Rb7 31. Rf4 Ng6 32. R4f2 Bh3 33. Rb1 Re7 34. Bd1 Ne5 35. Rd2 Bg4 36. Kg2 Bxd1 37. Rbxd1 Ree8 38. Bf4 g5 39. Bxe5 Rxe5 40. Rf2 Rd8 41. Rf6 Re6 42. Rff1 Kg7 43. Kf3 Rf6+ 44. Ke3 Rc6 45. Rf5 f6 46. Rdf1 1/2-1/2

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.04.11"]
[Round "2"]
[White "Duda, Ryszard"]
[Black "Bialczynski, Michal"]
[Result "0-1"]
[ECO "B97"]
[WhiteElo "1444"]
[BlackElo "1370"]
[PlyCount "30"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qf3 Qxd4 9. Rd1 Qb6 10. Bc4 Nbd7 11. f5 Ne5 12. Qe2 Nxc4 13. Qxc4 Be7 14. fxe6 Bxe6 15. Qd3 Ng4 0-1

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.04.06"]
[Round "1"]
[White "Wasylewski, Marcin"]
[Black "Duda, Ryszard"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1422"]
[BlackElo "1444"]
[PlyCount "103"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 g6 6. Bf4 Bg7 7. Nf3 Bg4 8. Nbd2 Nf6 9. Qb3 Qc8 10. 0-0 0-0 11. Rae1 Bxf3 12. Nxf3 e6 13. Ne5 Nh5 14. Bd2 Qc7 15. f4 Nf6 16. Rf3 Nd7 17. h4 Ndxe5 18. fxe5 Qb6 19. Qxb6 axb6 20. a3 Na5 21. h5 Nc4 22. Bxc4 dxc4 23. hxg6 fxg6 24. Ref1 Rxf3 25. Rxf3 Rf8 26. Bg5 Rxf3 27. gxf3 b5 28. Kg2 Kf7 29. Kf2 h6 30. Bd2 g5 31. Ke3 Bf8 32. Ke4 Be7 33. d5 exd5+ 34. Kxd5 h5 35. Ke4 Ke6 36. f4 gxf4 37. Bxf4 Bc5 38. Bg3 Be7 39. Kd4 b6 40. Ke4 h4 41. Bf2 h3 42. Bg1 Bg5 43. Kf3 Kxe5 44. Bxb6 Bc1 45. Kg3 Bxb2 46. Ba5 Bxa3 47. Kxh3 Ke4 48. Bd8 Kd3 49. Bf6 Bb2 50. Kg3 Bxc3 51. Bg5 b4 52. Kf3 0-1

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.06.21"]
[Round "13"]
[White "Kwiek, Janusz"]
[Black "Duda, Ryszard"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1466"]
[BlackElo "1453"]
[PlyCount "68"]
[EventDate "2017.04.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. d4 d5 4. Nc3 Bg7 5. cxd5 Nxd5 6. e3 0-0 7. Bc4 Nxc3 8. bxc3 c5 9. 0-0 Qc7 10. Bb3 cxd4 11. cxd4 Rd8 12. Qe2 b6 13. Bb2 Ba6 14. Qd2 Bxf1 15. Kxf1 e6 16. Rc1 Qe7 17. Qc3 Bf6 18. Ba4 Qb7 19. Bb5 a6 20. Be2 Nd7 21. Nd2 Rac8 22. Qd3 Rxc1+ 23. Bxc1 b5 24. Qb3 Qc7 25. Bb2 Qxh2 26. Bf3 Nb6 27. Bb7 Nc4 28. Nxc4 bxc4 29. Qxc4 Qh1+ 30. Ke2 Qb1 31. Qb3 Rb8 32. g3 a5 33. a4 Be7 34. Kf3 Qh1+ 0-1

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.06.13"]
[Round "12"]
[White "Duda, Ryszard"]
[Black "Szumigaj, Marcin"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "1453"]
[BlackElo "1396"]
[PlyCount "87"]
[EventDate "2017.04.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. d4 0-0 5. e4 d6 6. Be2 e5 7. d5 Nbd7 8. 0-0 Nc5 9. Qc2 a5 10. Be3 Nh5 11. Qd2 f5 12. exf5 Bxf5 13. Bg5 Qd7 14. Nh4 Nf4 15. Bxf4 exf4 16. Nxf5 Qxf5 17. Rfe1 a4 18. Rac1 g5 19. h3 Qg6 20. Bf3 Rae8 21. Rxe8 Rxe8 22. Re1 Be5 23. Ne4 Nxe4 24. Rxe4 Kg7 25. Qe2 Qf6 26. Qd1 Ra8 27. b3 axb3 28. Qxb3 Rb8 29. Qb5 Qf7 30. Bg4 Qe8 31. Bd7 Qf8 32. Be6 Qe8 33. Qb1 b5 34. c5 b4 35. cxd6 cxd6 36. Rxb4 Rxb4 37. Qxb4 Qh5 38. Qb7+ Kh6 39. Bf5 Qd1+ 40. Kh2 f3+ 41. g3 Bg7 42. Qe7 Qf1 43. Qe6+ Kh5 44. Bg4# 1-0

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.06.07"]
[Round "11"]
[White "Bartczak, Hanna"]
[Black "Duda, Ryszard"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1505"]
[BlackElo "1453"]
[PlyCount "114"]
[EventDate "2017.04.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 Nf6 4. 0-0 g6 5. d3 Bg7 6. c4 0-0 7. Nc3 a6 8. Rb1 d6 9. Bd2 Bd7 10. Ng5 Rb8 11. Qc1 Bg4 12. h3 Bd7 13. Kh2 Na5 14. b4 cxb4 15. Rxb4 Nc6 16. Rb1 Qc7 17. Nf3 e6 18. Bf4 Nh5 19. Be3 Ne5 20. Nxe5 Bxe5 21. Ba7 Bc6 22. Bxb8 Rxb8 23. Bxc6 bxc6 24. Rxb8+ Qxb8 25. Qc2 d5 26. Rg1 Qb4 27. Nd1 Qa5 28. cxd5 cxd5 29. Ne3 Nf6 30. Rb1 Kg7 31. Kg2 h5 32. Nf1 Qd8 33. Qc6 a5 34. Rb7 d4 35. Qxe6 Bc7 36. Qc4 Qd5+ 37. Qxd5 Nxd5 38. Nd2 Kf8 39. Nc4 Ke8 40. Kf3 Kd7 41. Ne5+ Ke6 42. Nc4 g5 43. Ra7 f5 44. Ra6+ Kf7 45. Ra7 g4+ 46. hxg4 hxg4+ 47. Kg2 Ke6 48. e4 dxe3 49. fxe3 Bd8 50. Ra6+ Ke7 51. Kf2 Nb4 52. Ra7+ Ke6 53. Ke2 Nxa2 54. Nxa5 Nc3+ 55. Kd2 Nd5 56. Ra6+ Kf7 57. Rd6 Bxa5+ 0-1

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.05.31"]
[Round "10"]
[White "Duda, Ryszard"]
[Black "Kucharski, Jacek"]
[Result "1-0"]
[ECO "D80"]
[WhiteElo "1453"]
[BlackElo "1388"]
[PlyCount "119"]
[EventDate "2017.04.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e3 Bg7 4. d4 d5 5. cxd5 Nxd5 6. Bc4 Nxc3 7. bxc3 0-0 8. Ne2 b6 9. 0-0 Bb7 10. Qb3 Nc6 11. Qc2 Na5 12. Bd3 Rc8 13. Ba3 Re8 14. Rac1 e5 15. Ng3 Qh4 16. dxe5 Rxe5 17. c4 c5 18. Bb2 Re6 19. Bxg7 Kxg7 20. Rfd1 Qg5 21. Be4 Bxe4 22. Nxe4 Qe5 23. Ng3 Rd6 24. Rxd6 Qxd6 25. Rd1 Qe6 26. Rd5 Nc6 27. Qc3+ Kg8 28. a3 Ne7 29. Rd3 Nf5 30. Nxf5 Qxf5 31. h3 Re8 32. Rd5 Qb1+ 33. Kh2 Qe4 34. Qc1 Qe6 35. a4 Qc6 36. Qd1 a6 37. Kg1 b5 38. cxb5 axb5 39. Rd6 Qb7 40. Rd7 Qc6 41. axb5 Qxb5 42. Qd5 Rf8 43. Rc7 Qb1+ 44. Kh2 Qb8 45. Qd7 c4 46. g3 Qb2 47. Kg2 c3 48. Qd3 Ra8 49. Rxc3 Ra2 50. Qd8+ Kg7 51. Qd4+ Kh6 52. Qf4+ Kg7 53. Rc7 Qb3 54. Qe5+ Kh6 55. h4 f6 56. Qf4+ g5 57. hxg5+ Kg6 58. Qxf6+ Kh5 59. Rxh7+ Kg4 60. Rh4# 1-0

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.05.24"]
[Round "9"]
[White "Borys, Marek"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "1384"]
[BlackElo "1453"]
[PlyCount "77"]
[EventDate "2017.04.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 0-0 8. Qd2 Nc6 9. 0-0-0 a6 10. Nxc6 bxc6 11. Bh6 Bb7 12. Bxg7 Kxg7 13. g4 c5 14. f3 h5 15. gxh5 Nxh5 16. f4 Nf6 17. Bf3 Qc7 18. Qg2 Nd7 19. h4 Rg8 20. h5 Kf8 21. h6 Ke8 22. Qg5 Nf6 23. Qg2 e6 24. e5 Bxf3 25. Qxf3 Nd5 26. Nxd5 exd5 27. Qxd5 Rd8 28. exd6 Qc8 29. h7 Kd7 30. hxg8Q Rxg8 31. Qxf7+ Kc6 32. Qd5+ Kb6 33. Rh7 Qc6 34. Qxc6+ Kxc6 35. d7 Rd8 36. Re7 Kc7 37. Re8 Rxd7 38. Rxd7+ Kxd7 39. Rg8 1-0

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.05.17"]
[Round "8"]
[White "Duda, Ryszard"]
[Black "Mazurkiewicz, Wojciech"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1453"]
[BlackElo "1482"]
[PlyCount "98"]
[EventDate "2017.04.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. d3 0-0 5. Be2 d6 6. 0-0 Bxc3 7. bxc3 h6 8. h3 Nc6 9. Be3 b6 10. Nd2 d5 11. Bf3 d4 12. cxd4 Nxd4 13. Bxd4 Qxd4 14. Nb3 Qc3 15. Qd2 Qxd2 16. Nxd2 Ba6 17. Rfe1 c5 18. Nc4 Bxc4 19. dxc4 Rfd8 20. Rad1 Rd4 21. Rxd4 cxd4 22. Be2 Rd8 23. Bd3 Nd7 24. Rb1 Nc5 25. f3 f6 26. Rb4 Rd6 27. a3 Kf8 28. Rb1 Ke7 29. Ra1 Na4 30. Kf2 Rd8 31. Rb1 Nc3 32. Rb4 Kd6 33. Ke1 Kc5 34. Kd2 g5 35. Rb2 h5 36. Bf1 g4 37. a4 gxh3 38. gxh3 Rg8 39. Ke1 Rg3 40. Kf2 Rxh3 41. Bxh3 Nd1+ 42. Kg3 Nxb2 43. Be6 Nxa4 44. Kh4 Nb2 45. Kxh5 a5 46. Bd7 a4 47. Bxa4 Nxa4 48. Kg6 Nb2 49. Kxf6 Nxc4 0-1

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.05.10"]
[Round "6"]
[White "Duda, Ryszard"]
[Black "Szynalski, Bartosz"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1453"]
[BlackElo "1517"]
[PlyCount "100"]
[EventDate "2017.04.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. g4 Qa5 12. g5 Nh5 13. Bxg7 Nxg7 14. Kb1 Rfc8 15. Nd5 Qxd2 16. Rxd2 Bxd5 17. Rxd5 Ne6 18. h4 Nf4 19. Rd2 Rc5 20. b3 Rac8 21. c4 Kg7 22. Rg1 h5 23. Rh1 Kf8 24. Rhh2 b5 25. Rc2 b4 26. Rcd2 Ke8 27. Rd4 Rb8 28. Rd1 Kd7 29. Rhd2 Kc6 30. Rd4 Ne6 31. Rd5 Nf4 32. Rxc5+ dxc5 33. Kb2 Kc7 34. Rd2 Rd8 35. Rxd8 Kxd8 36. Kc2 Kd7 37. Kd2 Kd6 38. Ke3 Ke5 39. Kf2 Kd4 40. Kg3 e5 41. Bh3 Nxh3 42. Kxh3 Kc3 43. Kg3 Kb2 44. f4 Kxa2 45. fxe5 Kxb3 46. Kf4 Kxc4 47. e6 fxe6 48. Ke5 b3 49. Kxe6 b2 50. Kf6 b1Q 0-1

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.05.03"]
[Round "5"]
[White "Mazurek, Jerzy"]
[Black "Duda, Ryszard"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "1444"]
[BlackElo "1453"]
[PlyCount "178"]
[EventDate "2017.04.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 a5 7. Ne2 Nc6 8. 0-0 Be7 9. Nf3 0-0 10. Nf4 g6 11. Nh3 Kg7 12. Qd2 Rh8 13. Qh6+ Kg8 14. Nf4 Bf8 15. Qh3 Qe7 16. Qg3 Bg7 17. h4 h5 18. Ne2 b6 19. Bg5 Qe8 20. Rfe1 Ba6 21. Bc2 Rc8 22. Qf4 cxd4 23. Nexd4 Nxd4 24. Nxd4 Qf8 25. Ba4 Nc5 26. Nc6 Rc7 27. Qd4 Nxa4 28. Ne7+ Rxe7 29. Bxe7 Qxe7 30. Qxa4 Kh7 31. b4 Qxh4 32. Qc6 Qc4 33. Qxb6 axb4 34. cxb4 Qb5 35. Qxb5 Bxb5 36. a4 Bc4 37. f4 Ra8 38. Kf2 Bf8 39. Reb1 Rb8 40. Kf3 Bd3 41. Rb3 Be4+ 42. Ke2 Bxb4 43. a5 d4 44. a6 d3+ 45. Kf1 Bd5 46. a7 Rb6 47. a8Q Bxa8 48. Rxa8 d2 49. Ke2 Ba5 50. Rxb6 Bxb6 51. Kxd2 Kg7 52. Rb8 Ba5+ 53. Kd3 Be1 54. Rc8 Bf2 55. Kc3 Bg3 56. Rc4 g5 57. fxg5 Bxe5+ 58. Kd3 Kg6 59. Ke4 Bd6 60. Rc6 Be7 61. Ke5 Bxg5 62. Rc2 Bh4 63. Kf4 f6 64. Kf3 f5 65. Rc5 Kf6 66. Ra5 Bg5 67. Rb5 Bh6 68. Ra5 Bf8 69. Rb5 Bd6 70. Rb6 Be5 71. Rb5 h4 72. Ra5 Bg3 73. Ra6 Be1 74. Rb6 Bd2 75. Ra6 Ke5 76. Rb6 Kd5 77. Rb5+ Kd4 78. Ke2 Bc3 79. Rb6 Ke5 80. Kf3 Bd4 81. Rb7 Bc3 82. Rb1 Bd4 83. Rh1 Bc5 84. Rxh4 Be7 85. Ra4 Kf6 86. g4 Kg5 87. gxf5 exf5 88. Ra5 Bd6 89. Rxf5+ Kxf5 1/2-1/2

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.05.02"]
[Round "7"]
[White "Derylo, Kamil"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "1372"]
[BlackElo "1453"]
[PlyCount "133"]
[EventDate "2017.04.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Ngf6 10. Bxh7 Nxh7 11. Qd3 e6 12. Bd2 Be7 13. 0-0-0 Nhf6 14. Kb1 Qc7 15. Rhe1 0-0-0 16. Nf5 Bf8 17. Ng3 Bd6 18. Ne4 Nxe4 19. Qxe4 Nf6 20. Qh4 Nd5 21. c4 Be7 22. Qg4 Nf6 23. Qh3 Kb8 24. Bc3 Rhg8 25. b3 Ka8 26. Bb2 Qf4 27. Bc1 Qc7 28. Bb2 Bb4 29. Re2 Qf4 30. Bc1 Qg4 31. Qxg4 Nxg4 32. Ne5 Nxe5 33. Rxe5 Bc3 34. Bb2 Bxb2 35. Kxb2 Rd7 36. Re3 Rgd8 37. Kc3 Kb8 38. Rg3 f6 39. Rgd3 Kc7 40. f4 Rg8 41. Re3 c5 42. Rxe6 cxd4+ 43. Rxd4 Rgd8 44. Ree4 Kc6 45. Rxd7 Rxd7 46. Re6+ Kc7 47. Re2 Kc6 48. Re1 Kc7 49. Re6 Kd8 50. b4 Kc7 51. g3 Kd8 52. a3 Kc7 53. c5 Kd8 54. Kc4 Kc7 55. f5 Kd8 56. Rd6 Kc7 57. Rxd7+ Kxd7 58. Kd5 a6 59. a4 Ke7 60. c6 b6 61. c7 Kd7 62. c8Q+ Kxc8 63. Kc6 b5 64. axb5 axb5 65. Kxb5 Kb7 66. Kc5 Kc7 67. b5 1-0

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.04.26"]
[Round "4"]
[White "Duda, Ryszard"]
[Black "Wangrat, Jan"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "1453"]
[BlackElo "1451"]
[PlyCount "57"]
[EventDate "2017.04.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 f5 2. Nf3 Nf6 3. d4 g6 4. Nc3 Bg7 5. Bf4 0-0 6. e3 d6 7. Bd3 e6 8. 0-0 Qe7 9. h3 Nbd7 10. Nb5 Ne8 11. Bg5 Ndf6 12. Re1 h6 13. Bh4 g5 14. Bg3 c6 15. Nc3 Nc7 16. a3 Bd7 17. c5 Nce8 18. cxd6 Nxd6 19. Qb3 b6 20. Bxd6 Qxd6 21. Bxf5 Nd5 22. Bb1 Nxc3 23. bxc3 c5 24. Qc2 cxd4 25. Qh7+ Kf7 26. exd4 Rh8 27. Qg6+ Kf8 28. Ba2 Re8 29. Ne5 1-0

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.04.19"]
[Round "3"]
[White "Urbaniak, Karol"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "1490"]
[BlackElo "1453"]
[PlyCount "65"]
[EventDate "2017.04.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. 0-0 0-0 8. Bg5 Nc6 9. Nxc6 bxc6 10. Kh1 Qc7 11. f4 e6 12. Qe1 Bb7 13. Qh4 Nd7 14. f5 d5 15. Bd3 dxe4 16. fxg6 hxg6 17. Bxe4 f5 18. Bd3 Kf7 19. Bf4 Be5 20. Qh7+ Ke8 21. Bg5 Bf6 22. Qxg6+ Kd8 23. Rad1 Bxg5 24. Qxg5+ Kc8 25. Bc4 Rh8 26. Rf4 Qe5 27. h4 Kc7 28. Rfd4 Nf6 29. Qg7+ Kb6 30. Na4+ Ka5 31. Qxb7 Kxa4 32. Qa6+ Kb4 33. a3+ 1-0

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.04.12"]
[Round "2"]
[White "Duda, Ryszard"]
[Black "Budrewicz, Henryk"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1453"]
[BlackElo "1427"]
[PlyCount "104"]
[EventDate "2017.04.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d6 3. Nf3 Qc7 4. Be2 Bg4 5. 0-0 e5 6. c3 Nd7 7. Be3 Ngf6 8. Nbd2 Be7 9. h3 Bh5 10. Rc1 Bg6 11. Bd3 0-0 12. Qc2 a5 13. a4 Rfb8 14. b3 Nf8 15. dxe5 dxe5 16. Nc4 N6d7 17. Ncd2 Ne6 18. g3 Bc5 19. Bxc5 Ndxc5 20. Nh4 Nxd3 21. Qxd3 Rd8 22. Qe3 Qe7 23. Nxg6 hxg6 24. Rfd1 Nc5 25. Qe2 Rd7 26. Rb1 Rad8 27. Nc4 Rxd1+ 28. Rxd1 Rxd1+ 29. Qxd1 Nxe4 30. Qd3 Nc5 31. Qc2 Qc7 32. b4 axb4 33. cxb4 Ne6 34. h4 b5 35. Na5 Nd4 36. Qd1 f5 37. axb5 cxb5 38. Nb3 Qc3 39. Nxd4 exd4 40. h5 gxh5 41. Qxh5 Qe1+ 42. Kg2 Qe4+ 43. Qf3 d3 44. Qxe4 fxe4 45. Kf1 Kf7 46. Ke1 Ke6 47. Kd2 Kd5 48. Kc3 g6 49. f4 exf3 50. Kxd3 f2 51. Ke2 Kc4 52. Kxf2 Kxb4 0-1

[Event "Warsaw YMCA Winter-C 181st"]
[Site "Warsaw"]
[Date "2017.03.21"]
[Round "11"]
[White "Duda, Ryszard"]
[Black "Wangrat, Jan"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1445"]
[BlackElo "1539"]
[PlyCount "102"]
[EventDate "2017.01.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Be2 0-0 8. Qd2 d5 9. 0-0-0 Nxe4 10. Nxe4 dxe4 11. Nxc6 Qxd2+ 12. Rxd2 bxc6 13. Rhd1 Be6 14. c4 Rfc8 15. Kc2 c5 16. b3 a5 17. a4 f5 18. f4 h5 19. h4 Bf6 20. g3 Kf7 21. Rf1 Ra7 22. Rdd1 Ke8 23. Bd2 Rd8 24. Bc3 Rxd1 25. Rxd1 Ra6 26. Bf1 Bxc3 27. Kxc3 Rd6 28. Be2 Kd7 29. Rd2 Kc7 30. Kc2 Bf7 31. Kc3 Rb6 32. Bd1 Rb8 33. Be2 Re8 34. Rd1 e5 35. Kd2 Be6 36. Ke3 exf4+ 37. gxf4 Rb8 38. Rb1 Bd7 39. Bd1 Bxa4 40. Bc2 Bc6 41. Rg1 Be8 42. Ra1 Ra8 43. Rd1 Rd8 44. Rxd8 Kxd8 45. Bd1 Kc7 46. Bc2 Kb6 47. Bd1 a4 48. bxa4 Ka5 49. Bc2 Bxa4 50. Bxe4 fxe4 51. Kxe4 Kb4 0-1

[Event "Warsaw YMCA Winter-C 181st"]
[Site "Warsaw"]
[Date "2017.03.07"]
[Round "9"]
[White "Sieczkowski, Adam"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "D33"]
[WhiteElo "1470"]
[BlackElo "1445"]
[PlyCount "47"]
[EventDate "2017.01.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. 0-0 c5 5. c4 Nc6 6. cxd5 exd5 7. d4 Be6 8. Nc3 cxd4 9. Nxd4 Be7 10. Nxe6 fxe6 11. e4 d4 12. Ne2 e5 13. f4 Qb6 14. Kh1 0-0-0 15. fxe5 Nxe5 16. Bf4 Nc6 17. Rc1 Bc5 18. a3 d3 19. Nc3 Be3 20. Bh3+ Nd7 21. Nd5 Bxc1 22. Nxb6+ axb6 23. Qxc1 Rdf8 24. b4 1-0

[Event "Warsaw YMCA Winter-C 181st"]
[Site "Warsaw"]
[Date "2017.03.01"]
[Round "8"]
[White "Duda, Ryszard"]
[Black "Tkaczyk, Weronika"]
[Result "1-0"]
[ECO "C93"]
[WhiteElo "1445"]
[BlackElo "1525"]
[PlyCount "99"]
[EventDate "2017.01.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d6 9. h3 h6 10. d4 exd4 11. cxd4 Na5 12. Bc2 Bb7 13. Bf4 c5 14. Nbd2 d5 15. e5 Nd7 16. dxc5 Bxc5 17. Nb3 Bb4 18. Qd3 f5 19. Nxa5 Nc5 20. Nxb7 Nxd3 21. Nxd8 Nxf4 22. Nc6 Bxe1 23. Rxe1 Ne6 24. Bxf5 Rae8 25. Bg6 Ra8 26. Nfd4 Nf4 27. Ne7+ Kh8 28. Bf5 Rae8 29. Ng6+ Nxg6 30. Bxg6 Re7 31. e6 Rf6 32. Bf7 g6 33. Rc1 Kg7 34. Rc5 Rf4 35. Rxd5 Rc7 36. Nf3 Rc2 37. Re5 Rc8 38. Re1 Kf6 39. Ne5 Ra4 40. a3 g5 41. Ng4+ Kg7 42. Bh5 b4 43. e7 bxa3 44. bxa3 Rxa3 45. e8Q Rxe8 46. Rxe8 a5 47. Re7+ Kf8 48. Rf7+ Kg8 49. Nxh6+ Kh8 50. Bg6 1-0

[Event "Warsaw YMCA Winter-C 181st"]
[Site "Warsaw"]
[Date "2017.02.22"]
[Round "7"]
[White "Wojcikiewicz, Dariusz"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "1465"]
[BlackElo "1445"]
[PlyCount "47"]
[EventDate "2017.01.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 e6 3. Nf3 d5 4. e3 Be7 5. c4 dxc4 6. Bxc4 0-0 7. d4 Bb4+ 8. Nbd2 Ne4 9. a3 Nxd2 10. Nxd2 Be7 11. 0-0 Nd7 12. Rc1 Nf6 13. Qc2 c6 14. Ne4 g6 15. b4 Nxe4 16. Qxe4 Bf6 17. Qf3 Bg7 18. b5 Bd7 19. a4 Re8 20. Rc2 Qb6 21. Rfc1 cxb5 22. Bxb5 Bxb5 23. Rc7 Bc6 24. Qxf7+ 1-0

[Event "Warsaw YMCA Winter-C 181st"]
[Site "Warsaw"]
[Date "2017.02.15"]
[Round "6"]
[White "Duda, Ryszard"]
[Black "Kwiek, Janusz"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1445"]
[BlackElo "1446"]
[PlyCount "97"]
[EventDate "2017.01.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. f3 Nc6 7. Be3 0-0 8. a3 Bxc3+ 9. bxc3 Qa5 10. Qd2 d5 11. Nb3 Qc7 12. Bd3 dxe4 13. fxe4 Rd8 14. Qe2 Qe5 15. Bd2 Qh5 16. Qxh5 Nxh5 17. 0-0 b6 18. Be2 g6 19. Rf2 Ng7 20. Bg5 Rd6 21. Bf6 Ne8 22. Bg5 f5 23. Bb5 Bb7 24. exf5 exf5 25. Bf4 Rdd8 26. Bc4+ Kg7 27. Re2 Nf6 28. Nd4 Re8 29. Ne6+ Kh8 30. Rd2 Rac8 31. Ba2 h5 32. Ng5 Kg7 33. Rad1 Re7 34. Ne6+ Kh7 35. Bg5 Rf7 36. Bxf6 Rxf6 37. Rd7+ Kh6 38. Rxb7 Ne5 39. Rxa7 Nc4 40. Nd8 g5 41. Rdd7 g4 42. g3 f4 43. Nf7+ Rxf7 44. Rxf7 f3 45. Bxc4 Rxc4 46. Rf6+ Kg5 47. Rxb6 Rc5 48. c4 h4 49. Rb5 1-0

[Event "Warsaw YMCA Winter-C 181st"]
[Site "Warsaw"]
[Date "2017.02.07"]
[Round "5"]
[White "Szumigaj, Marcin"]
[Black "Duda, Ryszard"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1365"]
[BlackElo "1445"]
[PlyCount "70"]
[EventDate "2017.01.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. e3 Bg7 6. Bd2 0-0 7. Bd3 Nbd7 8. cxd5 Nxd5 9. 0-0 Re8 10. Qb3 Nxc3 11. Bxc3 Nc5 12. dxc5 Qxd3 13. Rfd1 Qf5 14. Bxg7 Kxg7 15. Qc3+ Kg8 16. Rd4 Qf6 17. Rad1 Be6 18. a3 a5 19. Qd2 Bb3 20. Rc1 e6 21. Rf4 Qe7 22. Qc3 a4 23. Nd2 e5 24. Rf3 e4 25. Rf4 Bd5 26. Qf6 Qc7 27. Nc4 Re6 28. Qh4 Bxc4 29. Rxc4 f5 30. Rd4 Re5 31. Qf6 Rxc5 32. Qe6+ Qf7 33. Qd6 Rc1+ 34. Rd1 Rxd1+ 35. Qxd1 g5 0-1

[Event "Warsaw YMCA Winter-C 181st"]
[Site "Warsaw"]
[Date "2017.02.01"]
[Round "4"]
[White "Duda, Ryszard"]
[Black "Tarka, Aleksandra"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1445"]
[BlackElo "1529"]
[PlyCount "90"]
[EventDate "2017.01.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Bb4 7. Bd3 d5 8. Nxc6 bxc6 9. exd5 cxd5 10. Bd2 0-0 11. 0-0 h6 12. a3 Bd6 13. g3 e5 14. Be2 Bb7 15. Bf3 e4 16. Bg2 Ba6 17. Re1 Qb6 18. Be3 Qc6 19. Bf1 Bxf1 20. Kxf1 Bc5 21. Bd4 Qb6 22. Na4 Qb5+ 23. Kg2 Bxd4 24. Qxd4 Rac8 25. Nc3 Qxb2 26. Ne2 Rxc2 27. Qxb2 Rxb2 28. Nd4 Ng4 29. Re2 Rxe2 30. Nxe2 Rb8 31. h3 Rb2 32. hxg4 Rxe2 33. Rd1 Ra2 34. Rxd5 Rxa3 35. Rd4 e3 36. f4 Ra2+ 37. Kf3 e2 38. Re4 g6 39. Rxe2 Rxe2 40. Kxe2 g5 41. Ke3 Kg7 42. Ke4 gxf4 43. gxf4 Kg6 44. Ke5 f6+ 45. Ke6 a5 0-1

[Event "Warsaw YMCA Winter-C 181st"]
[Site "Warsaw"]
[Date "2017.01.24"]
[Round "3"]
[White "Budrewicz, Henryk"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1454"]
[BlackElo "1445"]
[PlyCount "91"]
[EventDate "2017.01.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 cxd4 5. exd4 Bf5 6. Qb3 b6 7. Nf3 Nbd7 8. Bb5 Qc8 9. Ne5 a6 10. Bc6 e6 11. Bxa8 Qxa8 12. Nxd7 Nxd7 13. 0-0 Be7 14. Nd2 0-0 15. Rfe1 Qc6 16. a4 Rc8 17. Rac1 b5 18. axb5 axb5 19. h3 h6 20. g4 Bd3 21. Re3 Bc4 22. Qc2 b4 23. cxb4 Bxb4 24. Nf3 Qb6 25. Qa4 Nf8 26. Ra1 Be7 27. b3 Bb5 28. Qa7 Bd8 29. Ree1 Ng6 30. Bg3 Be8 31. Qxb6 Bxb6 32. Rec1 Rxc1+ 33. Rxc1 Bd7 34. Ra1 Ne7 35. Ra6 Nc8 36. Ra8 f6 37. h4 Kf7 38. g5 hxg5 39. hxg5 Ke7 40. Bh4 Bc7 41. g6 Kd8 42. Bxf6+ Ke8 43. Bxg7 Bd8 44. Ne5 Ne7 45. Bf6 Nc6 46. g7 1-0

[Event "Warsaw YMCA Winter-C 181st"]
[Site "Warsaw"]
[Date "2017.01.18"]
[Round "2"]
[White "Duda, Ryszard"]
[Black "Bartczak, Hanna"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1445"]
[BlackElo "1508"]
[PlyCount "81"]
[EventDate "2017.01.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 Ng4 6. Bf4 e5 7. dxe5 Nxe5 8. f3 Be6 9. h4 h5 10. 0-0-0 Nbc6 11. Bb5 a6 12. Be2 0-0 13. Nd5 Ne7 14. Bg5 f6 15. Bh6 Nxd5 16. exd5 Bf5 17. Bxg7 Kxg7 18. Nh3 Qe7 19. Nf2 Rae8 20. Rde1 Qf7 21. g4 hxg4 22. fxg4 Bd7 23. Reg1 Rh8 24. Rf1 Qe7 25. g5 fxg5 26. hxg5 Bf5 27. Kb1 Rxh1 28. Rxh1 Nf7 29. Qc3+ Kg8 30. Bd3 Bxd3 31. Nxd3 Qxg5 32. Nc1 Qxd5 33. Qh3 Qe6 34. Qh7+ Kf8 35. Nd3 g5 36. b3 Qf6 37. Rh2 Qg7 38. Qf5 Kg8 39. Qd7 Ne5 40. Qxe8+ Qf8 41. Rh8+ 1-0

[Event "Warsaw YMCA Winter-C 181st"]
[Site "Warsaw"]
[Date "2017.01.11"]
[Round "1"]
[White "Fieducik, Marcin"]
[Black "Duda, Ryszard"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1425"]
[BlackElo "1445"]
[PlyCount "128"]
[EventDate "2017.01.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e3 Bg7 6. Bc4 Nb6 7. Bb3 0-0 8. Nge2 Nc6 9. 0-0 Na5 10. Bc2 Be6 11. Nf4 Bc4 12. Nd3 e5 13. dxe5 Bxd3 14. Bxd3 Bxe5 15. Qe2 a6 16. f4 Bg7 17. e4 Re8 18. Qf3 Nc6 19. e5 Bxe5 20. fxe5 Nxe5 21. Qf2 Qxd3 22. Bh6 Qd8 23. Ne4 Nbd7 24. Rad1 Qe7 25. Bg5 Qe6 26. h3 f5 27. Nc3 Nf6 28. Rfe1 Qc6 29. Qg3 Nf7 30. Bxf6 Rxe1+ 31. Rxe1 Qxf6 32. Qxc7 Qc6 33. Qe7 Rc8 34. a3 Qc5+ 35. Qxc5 Rxc5 36. Re7 b5 37. Ra7 Rc6 38. Nd5 Rc2 39. b4 Ng5 40. Rxa6 Ne4 41. Nf6+ Kg7 42. Nxe4 fxe4 43. Rb6 Ra2 44. Rxb5 Rxa3 45. Re5 e3 46. Kf1 Rb3 47. b5 Kf6 48. Rc5 Rb2 49. Rc6+ Ke5 50. Rb6 Rf2+ 51. Kg1 Ke4 52. Rb8 Rb2 53. b6 Rb1+ 54. Kh2 Kd3 55. b7 Ke2 56. Kg3 Rb3 57. Kh4 h6 58. Kg4 Rb4+ 59. Kg3 g5 60. Kh2 h5 61. g3 Rb2 62. Kg2 g4 63. h4 Kd1+ 64. Kf1 e2+ 0-1

[Event "Warsaw YMCA Autumn-D 177th"]
[Site "Warsaw"]
[Date "2016.12.13"]
[Round "13"]
[White "Szumigaj, Marcin"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "1374"]
[BlackElo "1485"]
[PlyCount "105"]
[EventDate "2016.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 0-0 6. Be3 Nfd7 7. Qd2 c5 8. h4 cxd4 9. Bxd4 Bxd4 10. Qxd4 Qb6 11. Qxb6 Nxb6 12. Nd5 Nxd5 13. cxd5 Bd7 14. Rc1 Rc8 15. Rxc8+ Bxc8 16. h5 Nd7 17. hxg6 hxg6 18. Nh3 Nf6 19. Kd2 Bd7 20. Bd3 Rc8 21. Nf4 a6 22. Ne2 Kg7 23. Ke3 Be8 24. Rc1 Rxc1 25. Nxc1 Nd7 26. Nb3 Nc5 27. Nxc5 dxc5 28. f4 Bd7 29. e5 b5 30. Be2 Kf8 31. a4 Ke8 32. a5 Bc8 33. g3 Bb7 34. Bg4 Kd8 35. Bf3 Ke8 36. Bg4 f6 37. Be6 fxe5 38. fxe5 g5 39. Ke4 Kd8 40. Kf5 Bc8 41. Kxg5 Bxe6 42. dxe6 c4 43. Kf4 Ke8 44. Ke3 Kf8 45. Kd2 b4 46. Ke3 Kg7 47. Kd4 c3 48. bxc3 bxc3 49. Kxc3 Kg6 50. Kd4 Kf5 51. Kd5 Kg4 52. Kc6 Kf5 53. Kd7 1-0

[Event "Warsaw YMCA Autumn-D 177th"]
[Site "Warsaw"]
[Date "2016.11.29"]
[Round "11"]
[White "Budrewicz, Henryk"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1442"]
[BlackElo "1485"]
[PlyCount "113"]
[EventDate "2016.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 g6 4. Nbd2 Bg7 5. Ne5 c5 6. c3 cxd4 7. exd4 0-0 8. f4 Bf5 9. Be2 Ne4 10. g4 Bxe5 11. dxe5 Qb6 12. Rf1 Nxd2 13. Qxd2 Be4 14. Bd1 e6 15. Bc2 Bxc2 16. Qxc2 Nc6 17. Qe2 d4 18. c4 Nb4 19. Kd1 Rfd8 20. f5 exf5 21. gxf5 Qc5 22. Bh6 Re8 23. e6 fxe6 24. f6 Kf7 25. a3 d3 26. Qf3 Nc6 27. b4 Qxc4 28. Rc1 Qb3+ 29. Kd2 Qxa3 30. Rxc6 bxc6 31. Qxc6 Qxb4+ 32. Kd1 Qb1+ 33. Bc1 Qc2+ 34. Qxc2 dxc2+ 35. Kxc2 Rec8+ 36. Kd2 Rc4 37. Kd3 Rac8 38. Bd2 R4c5 39. Rb1 Kxf6 40. Rb7 R5c7 41. Rb4 Rd7+ 42. Ke3 Rc5 43. Rf4+ Rf5 44. Bc3+ Kf7 45. Rh4 h5 46. Rc4 g5 47. Rc8 g4 48. Ke4 Rf2 49. Rh8 Re2+ 50. Kf4 e5+ 51. Bxe5 Rxe5 52. Kxe5 Kg6 53. Ke6 Rd2 54. Rg8+ Kh7 55. Ra8 Rxh2 56. Kf6 Kh6 57. Rh8# 1-0

[Event "Warsaw YMCA Autumn-D 177th"]
[Site "Warsaw"]
[Date "2016.11.22"]
[Round "10"]
[White "Duda, Ryszard"]
[Black "Tarka, Aleksandra"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "1485"]
[BlackElo "1433"]
[PlyCount "101"]
[EventDate "2016.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Bb4 7. Bd3 d5 8. Nxc6 bxc6 9. exd5 cxd5 10. 0-0 0-0 11. Bd4 Re8 12. Bb5 Bd7 13. Bxf6 Qxf6 14. Bxd7 Red8 15. Ba4 Bxc3 16. bxc3 Qxc3 17. Qd3 Qb4 18. Bb3 a5 19. a4 Rac8 20. Rfd1 d4 21. Rdb1 Qc5 22. Re1 Qb4 23. Re5 Rc3 24. Qb5 d3 25. Rd1 Rdc8 26. Qxb4 axb4 27. Re3 dxc2 28. Rc1 g6 29. Kf1 Rxe3 30. fxe3 Rc3 31. Rxc2 Rxb3 32. Rc8+ Kg7 33. Kf2 Ra3 34. Ra8 Ra2+ 35. Kg3 b3 36. Rb8 Rxa4 37. Rxb3 g5 38. h3 f5 39. Rb7+ Kg6 40. Rb6 Kf6 41. Kf3 h5 42. g3 g4+ 43. hxg4 hxg4+ 44. Kf2 Ra2+ 45. Kf1 Ke5 46. Rb4 Kd5 47. Rd4+ Kc5 48. Rd3 Kc6 49. Rd1 Kc5 50. Rd8 Kc6 51. Rd1 1/2-1/2

[Event "Warsaw YMCA Autumn-D 177th"]
[Site "Warsaw"]
[Date "2016.11.15"]
[Round "9"]
[White "Wangrat, Jan"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1328"]
[BlackElo "1485"]
[PlyCount "31"]
[EventDate "2016.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 Nc6 5. Nf3 d6 6. Bc4 e6 7. Bf4 Be7 8. Qe2 0-0 9. 0-0-0 Na5 10. Bd3 d5 11. h4 c5 12. Bxh7+ Kxh7 13. Ng5+ Kg8 14. Qh5 Bxg5 15. hxg5 f6 16. g6 1-0

[Event "Warsaw YMCA Autumn-D 177th"]
[Site "Warsaw"]
[Date "2016.11.08"]
[Round "8"]
[White "Duda, Ryszard"]
[Black "Wojcikiewicz, Dariusz"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1485"]
[BlackElo "1467"]
[PlyCount "95"]
[EventDate "2016.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d6 3. c4 Nd7 4. Nc3 Ngf6 5. Bd3 b6 6. Nf3 Bb7 7. 0-0 Be7 8. Re1 0-0 9. e5 dxe5 10. dxe5 Ne8 11. Bc2 g6 12. Ne4 Ng7 13. a3 a5 14. Bh6 Nc5 15. Nfg5 Qxd1 16. Raxd1 Rfd8 17. Nxc5 Bxc5 18. Ne4 Be7 19. g4 Rxd1 20. Rxd1 Bxe4 21. Bxe4 Rd8 22. Rxd8+ Bxd8 23. Bc6 f6 24. Bf4 Kf7 25. Bg3 fxe5 26. Bxe5 Ne8 27. Bxe8+ Kxe8 28. Kg2 Kd7 29. Kf3 c6 30. Ke4 Be7 31. a4 Bd6 32. f4 Bc5 33. h4 Ke7 34. Bd4 Bxd4 35. Kxd4 Kd6 36. Ke4 h6 37. h5 gxh5 38. gxh5 Ke7 39. Ke5 c5 40. b3 Kf7 41. f5 exf5 42. Kxf5 Kg7 43. Ke6 Kh7 44. Kf6 Kg8 45. Kg6 Kf8 46. Kxh6 Kf7 47. Kg5 Kg7 48. Kf5 1-0

[Event "Warsaw YMCA Autumn-D 177th"]
[Site "Warsaw"]
[Date "2016.10.25"]
[Round "6"]
[White "Fieducik, Marcin"]
[Black "Duda, Ryszard"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "1382"]
[BlackElo "1485"]
[PlyCount "156"]
[EventDate "2016.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Nf3 Bg7 6. e3 0-0 7. Bc4 Nxc3 8. bxc3 c5 9. 0-0 Qc7 10. Qb3 cxd4 11. cxd4 Nc6 12. Bd2 e5 13. Bc3 exd4 14. Nxd4 Na5 15. Bxa5 Qxa5 16. Rad1 a6 17. f4 Bg4 18. Nf3 b5 19. Bd5 Rac8 20. Rc1 Rcd8 21. Ne5 Be6 22. Bxe6 Bxe5 23. Bxf7+ Rxf7 24. fxe5 Rdf8 25. Rxf7 Rxf7 26. e6 Re7 27. Qd5 Qb6 28. Rc8+ Kg7 29. Qe5+ Kh6 30. Qf4+ Kh5 31. g4+ Kh4 32. Qg3+ Kg5 33. h4+ Kf6 34. Qf3+ Ke5 35. Qf4+ Kxe6 36. Rc1 Kd7 37. Kf2 Qd6 38. Qxd6+ Kxd6 39. Rd1+ Ke5 40. Rd8 Rc7 41. Rd2 Rc4 42. Kf3 h6 43. h5 gxh5 44. gxh5 Rh4 45. Rd8 Rxh5 46. Re8+ Kf6 47. Ra8 Rf5+ 48. Kg3 Kg5 49. Rxa6 h5 50. Ra8 Re5 51. Rg8+ Kf5 52. Kf3 Rc5 53. Rf8+ Kg5 54. Rg8+ Kh4 55. e4 Kh3 56. Rg1 Rc3+ 57. Kf4 Kh2 58. Rb1 Rc5 59. e5 h4 60. e6 h3 61. e7 Rc8 62. Rxb5 Re8 63. Rb2+ Kg1 64. Kg3 Kf1 65. Kxh3 Rxe7 66. Kg3 Ke1 67. Kf3 Kd1 68. a4 Kc1 69. Rb5 Kc2 70. a5 Kc3 71. a6 Kc4 72. Rb7 Re6 73. a7 Ra6 74. Ke4 Kc5 75. Rh7 Ra4+ 76. Ke5 Kb6 77. Kd6 Rxa7 78. Rxa7 Kxa7 1/2-1/2

[Event "Warsaw YMCA Autumn-D 177th"]
[Site "Warsaw"]
[Date "2016.10.18"]
[Round "5"]
[White "Duda, Ryszard"]
[Black "Rejniak, Zuzanna"]
[Result "0-1"]
[ECO "D93"]
[WhiteElo "1485"]
[BlackElo "1359"]
[PlyCount "62"]
[EventDate "2016.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Bf4 Bg7 4. e3 0-0 5. Nc3 d5 6. Nf3 c6 7. Bd3 Nbd7 8. h3 dxc4 9. Bxc4 Nb6 10. Bd3 Nbd5 11. Bh2 c5 12. Nxd5 Nxd5 13. Qd2 cxd4 14. Nxd4 a6 15. 0-0 Qb6 16. Nb3 Rd8 17. Qe2 Be6 18. Bc4 Rac8 19. Rad1 Rxc4 20. Qxc4 Nxe3 21. Qc7 Qxc7 22. Bxc7 Rxd1 23. Rxd1 Nxd1 24. Nc5 Nxb2 25. Nxb7 Bxa2 26. Nc5 Bc4 27. Bd8 e6 28. Ba5 Bd4 29. Ne4 Bd3 30. Bc3 Bxc3 31. Nxc3 a5 0-1

[Event "Warsaw YMCA Autumn-D 177th"]
[Site "Warsaw"]
[Date "2016.10.11"]
[Round "4"]
[White "Sieczkowski, Adam"]
[Black "Duda, Ryszard"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1478"]
[BlackElo "1485"]
[PlyCount "78"]
[EventDate "2016.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 d5 4. Bd3 c5 5. b3 Bg7 6. Nbd2 cxd4 7. exd4 0-0 8. 0-0 Nc6 9. a3 Re8 10. Bb2 Qb6 11. c4 e6 12. Re1 dxc4 13. Nxc4 Qd8 14. Rc1 Nd5 15. Qd2 Bd7 16. Nd6 Na5 17. Qd1 Rf8 18. b4 Qb6 19. Ne4 Nc6 20. Nc5 Bc8 21. Ne5 Qd8 22. Qf3 Nde7 23. Re4 Nxe5 24. dxe5 b6 25. Nb3 Bb7 26. Rd1 Qe8 27. Nd2 Qa4 28. b5 Bxe4 29. Nxe4 Nd5 30. Nf6+ Kh8 31. Re1 Qf4 32. Qd1 Bh6 33. Re2 Nxf6 34. exf6 Qd6 35. Re4 Rfd8 36. Rd4 Qc5 37. Bxg6 Rxd4 38. Bxd4 Rd8 39. Qh5 Qc1+ 0-1

[Event "Warsaw YMCA Autumn-D 177th"]
[Site "Warsaw"]
[Date "2016.10.06"]
[Round "2"]
[White "Olsztynski, Andrzej"]
[Black "Duda, Ryszard"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "1456"]
[BlackElo "1485"]
[PlyCount "102"]
[EventDate "2016.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. e5 Bg4 4. d4 e6 5. h3 Bh5 6. Be2 c5 7. g4 Bg6 8. c3 Nc6 9. Nbd2 cxd4 10. cxd4 Bb4 11. a3 Ba5 12. b4 Bb6 13. Nb3 Be4 14. Be3 Bxf3 15. Bxf3 Nge7 16. Nc5 Bxc5 17. bxc5 0-0 18. 0-0 f6 19. exf6 Rxf6 20. g5 Rf8 21. Bg4 Nf5 22. Qd2 Qd7 23. f4 g6 24. Rfe1 Rfe8 25. Bf2 Re7 26. Re2 Rae8 27. Rae1 Kf7 28. Kg2 Qc7 29. h4 Na5 30. Bxf5 exf5 31. Rxe7+ Rxe7 32. Rxe7+ Kxe7 33. Qe1+ Kf7 34. Qe5 Qxe5 35. fxe5 Nc4 36. a4 Ke6 37. Be1 f4 38. Kf3 Kf5 39. a5 a6 40. Bc3 Na3 41. Bd2 Nb5 42. Bxf4 Nxd4+ 43. Ke3 Nb3 44. Bg3 Nxa5 45. Kd4 Ke6 46. Kc3 Nc6 47. Bf4 Nxe5 48. Kb4 d4 49. Bg3 Kd5 50. Ka4 Nc6 51. Bd6 b6 0-1

[Event "Warsaw YMCA Autumn-D 177th"]
[Site "Warsaw"]
[Date "2016.10.04"]
[Round "3"]
[White "Duda, Ryszard"]
[Black "Kucharski, Jacek"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "1485"]
[BlackElo "1415"]
[PlyCount "86"]
[EventDate "2016.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 a6 8. Qd2 0-0 9. f3 b5 10. Nd5 Nxd5 11. exd5 Bb7 12. c4 bxc4 13. Bxc4 Nd7 14. Ne2 Rc8 15. Rc1 Nb6 16. Bb3 Rxc1+ 17. Nxc1 Qc7 18. 0-0 Rc8 19. Bd4 Bxd4+ 20. Qxd4 Qc5 21. Qxc5 Rxc5 22. Nd3 Ra5 23. Nb4 Nxd5 24. Nxd5 Bxd5 25. Bxd5 Rxd5 26. Re1 Kf8 27. Kf2 Rd2+ 28. Re2 Rxe2+ 29. Kxe2 e5 30. Kd3 d5 31. g4 f5 32. h4 Ke7 33. gxf5 gxf5 34. Ke3 f4+ 35. Kd3 Kd6 36. b4 Kc6 37. a4 h5 38. Kd2 e4 39. fxe4 dxe4 40. Ke2 Kd5 41. Kf2 Kc4 42. b5 axb5 43. a5 Kc5 0-1

[Event "Warsaw YMCA Autumn-D 177th"]
[Site "Warsaw"]
[Date "2016.09.20"]
[Round "1"]
[White "Duda, Ryszard"]
[Black "Wanecki, Krzysztof"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1485"]
[BlackElo "1469"]
[PlyCount "98"]
[EventDate "2016.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 b6 3. d4 Bb7 4. Bd3 Be7 5. Nc3 Nf6 6. e5 Nd5 7. Nxd5 Bxd5 8. 0-0 d6 9. Re1 0-0 10. c3 Nd7 11. Bf4 dxe5 12. Nxe5 Nf6 13. Bb5 a6 14. Nc6 Bxc6 15. Bxc6 Rb8 16. Qf3 Nd5 17. Be5 Bf6 18. Bxd5 Qxd5 19. Qxd5 exd5 20. Bxc7 Rb7 21. Be5 Be7 22. Re2 f6 23. Bg3 Kf7 24. Rae1 Rd8 25. Re6 b5 26. Rxa6 b4 27. cxb4 Bxb4 28. Ree6 Bc3 29. Rab6 Rxb6 30. Rxb6 Bxd4 31. Rb7+ Ke6 32. h3 f5 33. Kf1 Rc8 34. Bc7 Bxb2 35. Rxb2 Rxc7 36. Ke2 Ke5 37. Kd3 h5 38. h4 Rc4 39. g3 f4 40. Rb7 fxg3 41. Rxg7 gxf2 42. Ke2 Rc2+ 43. Kf1 Rxa2 44. Rg5+ Ke4 45. Rxh5 d4 46. Rh8 Kf3 47. Rf8+ Kg4 48. Rxf2 Rxf2+ 49. Kxf2 Kxh4 1/2-1/2

[Event "Warsaw YMCA Spring-D 170th"]
[Site "Warsaw"]
[Date "2016.06.13"]
[Round "11"]
[White "Rozycki, Dariusz"]
[Black "Duda, Ryszard"]
[Result "0-1"]
[ECO "D70"]
[WhiteElo "1384"]
[BlackElo "1482"]
[PlyCount "76"]
[EventDate "2016.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 d5 4. cxd5 Nxd5 5. e4 Nf6 6. Bc4 e6 7. Nc3 Nh5 8. Nge2 Bg7 9. e5 Bf8 10. 0-0 c5 11. d5 exd5 12. Bxd5 Nc6 13. Bxc6+ bxc6 14. Qc2 Bf5 15. Ne4 Bxe4 16. Qxe4 Qc7 17. g4 Ng7 18. Rd1 Be7 19. Rd6 Rc8 20. Bf4 Ne6 21. Rad1 Bxd6 22. exd6 Qd7 23. Be5 0-0 24. f4 Nc7 25. f5 Nd5 26. Bg3 Rfe8 27. Qd3 Re3 28. Qc4 Rce8 29. Nc3 Rxg3+ 30. hxg3 Ne3 31. Qd3 Nxd1 32. Qxd1 Rd8 33. Ne4 Kg7 34. f6+ Kg8 35. Qd2 Qe8 36. Nxc5 Qe5 37. Ne4 Qxe4 38. Qh6 Qd4+ 0-1

[Event "Warsaw YMCA Spring-D 170th"]
[Site "Warsaw"]
[Date "2016.06.07"]
[Round "10"]
[White "Duda, Ryszard"]
[Black "Polgrabia, Miroslaw"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1482"]
[BlackElo "1603"]
[PlyCount "133"]
[EventDate "2016.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 c6 2. d4 d5 3. e3 Nf6 4. Nf3 Bg4 5. Nc3 e6 6. Be2 Nbd7 7. Qb3 Qc7 8. cxd5 exd5 9. Qc2 Rc8 10. Bd2 Bd6 11. h3 Bh5 12. 0-0 0-0 13. Rfc1 Rfe8 14. Qd1 Qb8 15. Be1 b5 16. Nh4 Bxe2 17. Nxe2 g6 18. Nf3 Ne4 19. Rc2 b4 20. b3 Qb5 21. Rac1 a5 22. Nd2 f5 23. Nxe4 fxe4 24. Ng3 Nf6 25. Qe2 Qb7 26. Nf1 Re7 27. Bd2 Rf7 28. Be1 Kg7 29. Rb1 Rcf8 30. Rbc1 Rc8 31. Rb1 Ng8 32. Rbc1 Ne7 33. f4 exf3 34. gxf3 Rcf8 35. f4 Rf5 36. Ng3 R5f6 37. Qg2 Kh8 38. Rf2 Qd7 39. Bd2 g5 40. Rcf1 g4 41. hxg4 Qxg4 42. Ne2 Qh5 43. Qf3 Rg8+ 44. Rg2 Rxg2+ 45. Kxg2 Rg6+ 46. Ng3 Qh4 47. Rh1 Qf6 48. Kf2 c5 49. dxc5 Bxc5 50. Qh5 Qg7 51. Rh3 Bd6 52. Kf3 Rf6 53. Bc1 d4 54. Bb2 Ng8 55. Bxd4 Be7 56. Qxa5 Qg6 57. Ne4 h6 58. Nxf6 Bxf6 59. Qxb4 Bxd4 60. Qxd4+ Nf6 61. Qd8+ Kh7 62. Qe7+ Qg7 63. Qxg7+ Kxg7 64. e4 Kg6 65. e5 Nd5 66. Ke4 Ne7 67. b4 1-0

[Event "Warsaw YMCA Spring-D 170th"]
[Site "Warsaw"]
[Date "2016.05.31"]
[Round "9"]
[White "Wojcikiewicz, Dariusz"]
[Black "Duda, Ryszard"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1457"]
[BlackElo "1482"]
[PlyCount "94"]
[EventDate "2016.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e3 e5 2. b3 Nf6 3. Bb2 d6 4. d4 exd4 5. Qxd4 Nc6 6. Bb5 Bd7 7. Bxc6 Bxc6 8. Nf3 Be7 9. Nbd2 0-0 10. 0-0-0 a5 11. a3 Qc8 12. h4 Nh5 13. Rdg1 Bf6 14. Qd3 Bxb2+ 15. Kxb2 g6 16. g4 Nf6 17. Qd4 Qe6 18. h5 Ne4 19. Rh2 Nxd2 20. Nxd2 Qe5 21. Qxe5 dxe5 22. g5 b5 23. c4 Rfd8 24. f4 exf4 25. exf4 Rd4 26. hxg6 fxg6 27. cxb5 Bxb5 28. Rc1 Rad8 29. Nc4 Bxc4 30. Rxc4 Rxc4 31. bxc4 Rd4 32. Rf2 Rxc4 33. Kb3 Re4 34. f5 Re5 35. f6 Rxg5 36. Rc2 Rf5 37. Rxc7 Rxf6 38. Ka4 Rf5 39. Kb3 g5 40. Kc4 g4 41. Re7 h5 42. Kc3 g3 43. Kd2 g2 44. Re8+ Kf7 45. Re1 Rf1 46. Ke2 Rxe1+ 47. Kxe1 g1Q+ 0-1

[Event "Warsaw YMCA Spring-D 170th"]
[Site "Warsaw"]
[Date "2016.05.24"]
[Round "8"]
[White "Duda, Ryszard"]
[Black "Fieducik, Marcin"]
[Result "1-0"]
[ECO "C79"]
[WhiteElo "1482"]
[BlackElo "1409"]
[PlyCount "109"]
[EventDate "2016.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. c3 a6 6. Ba4 Nf6 7. 0-0 Be7 8. Re1 b5 9. Bc2 Bg4 10. h3 Bh5 11. a4 0-0 12. d5 Na5 13. Qd3 c5 14. dxc6 Nxc6 15. axb5 axb5 16. Rxa8 Qxa8 17. Nbd2 b4 18. Nc4 bxc3 19. bxc3 h6 20. Nb6 Qb7 21. Nd5 Bxf3 22. Nxe7+ Nxe7 23. Qxf3 Rc8 24. Ba3 Qc6 25. Bb4 Ng6 26. g3 d5 27. exd5 Qxd5 28. Qe3 Qe6 29. Bxg6 fxg6 30. g4 e4 31. f3 Nd5 32. Qxe4 Qxe4 33. fxe4 Nxc3 34. Kg2 Rc4 35. Bxc3 Rxc3 36. h4 Kf7 37. Rf1+ Ke6 38. Rf3 Rc4 39. Re3 Ke5 40. Kf3 h5 41. g5 Rb4 42. Rc3 Rxe4 43. Rc5+ Kd4 44. Rc4+ Kxc4 45. Kxe4 Kc3 46. Ke5 Kd3 47. Ke6 Ke4 48. Kf7 Kf4 49. Kxg7 Kg4 50. Kxg6 Kxh4 51. Kf6 Kg4 52. g6 h4 53. g7 h3 54. g8Q+ Kf3 55. Qg1 1-0

[Event "Warsaw YMCA Spring-D 170th"]
[Site "Warsaw"]
[Date "2016.05.16"]
[Round "7"]
[White "Sieczkowski, Adam"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1494"]
[BlackElo "1482"]
[PlyCount "63"]
[EventDate "2016.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nc6 3. d4 d5 4. Bg2 Nf6 5. 0-0 e6 6. c4 dxc4 7. Qa4 Bd7 8. Qxc4 Bd6 9. Nc3 a6 10. a4 Qe7 11. Bg5 h6 12. Bxf6 Qxf6 13. e4 fxe4 14. Nxe4 Qe7 15. Rfe1 0-0-0 16. Nc5 Bxc5 17. dxc5 Qf6 18. b4 e5 19. b5 Be6 20. Qe2 Nd4 21. Nxd4 Rxd4 22. bxa6 Bc4 23. axb7+ Kb8 24. Qxe5 Rhd8 25. Qxf6 gxf6 26. h3 Bd5 27. Bxd5 R4xd5 28. c6 R5d6 29. Rac1 Ka7 30. Rc5 Rd1 31. Rxd1 Rxd1+ 32. Kg2 1-0

[Event "Warsaw YMCA Spring-D 170th"]
[Site "Warsaw"]
[Date "2016.05.11"]
[Round "12"]
[White "Kuzmicki, Marek"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1463"]
[BlackElo "1482"]
[PlyCount "43"]
[EventDate "2016.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 g6 4. h4 Bg7 5. Qd2 0-0 6. f3 Nh5 7. Bh2 f5 8. Nh3 e6 9. 0-0-0 c5 10. dxc5 Qxh4 11. Bd6 Re8 12. Kb1 Qb4 13. e4 dxe4 14. fxe4 Nc6 15. Be2 Bxc3 16. Qxc3 Qxc3 17. bxc3 Nf6 18. Ng5 Kg7 19. e5 Nd5 20. Rxh7+ Kg8 21. Rdh1 Nxc3+ 22. Ka1 1-0

[Event "Warsaw YMCA Spring-D 170th"]
[Site "Warsaw"]
[Date "2016.05.10"]
[Round "6"]
[White "Duda, Ryszard"]
[Black "Pabis, Adam"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "1482"]
[BlackElo "1444"]
[PlyCount "51"]
[EventDate "2016.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Bxc6 bxc6 5. Nxe5 fxe4 6. Qh5+ g6 7. Nxg6 Nf6 8. Qh4 Rg8 9. Nxf8 Rxf8 10. 0-0 d5 11. d3 Be6 12. Bg5 Qe7 13. dxe4 0-0-0 14. e5 Qc5 15. Bxf6 Rd7 16. Qa4 Rg8 17. Re1 Bh3 18. g3 d4 19. Nd2 d3 20. c3 Qd5 21. Re4 Rg4 22. Qxa7 Qb5 23. Rxg4 Bxg4 24. Qa8+ Qb8 25. Qxc6 Rf7 26. Qe8+ 1-0

[Event "Warsaw YMCA Spring-D 170th"]
[Site "Warsaw"]
[Date "2016.05.03"]
[Round "5"]
[White "Wangrat, Jan"]
[Black "Duda, Ryszard"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1444"]
[BlackElo "1482"]
[PlyCount "65"]
[EventDate "2016.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bc4 b5 6. Bb3 Bb7 7. Qe2 Nf6 8. f3 Qb6 9. Be3 Bc5 10. c3 0-0 11. 0-0 d5 12. e5 Nfd7 13. f4 Nc6 14. Qd3 g6 15. Kh1 Rfe8 16. a3 Rac8 17. Bc2 Nxd4 18. Bxd4 Qc6 19. Nd2 Bxd4 20. Qxd4 Nb6 21. f5 exf5 22. Bxf5 gxf5 23. Rxf5 Re6 24. Raf1 Rf8 25. Rf6 Nd7 26. Qg4+ Kh8 27. Rxf7 Rg8 28. Rxh7+ Kxh7 29. Rf7+ Kh8 30. Qh3+ Rh6 31. Qe3 Qg6 32. Qf2 d4 33. Nf3 0-1

[Event "Warsaw YMCA Spring-D 170th"]
[Site "Warsaw"]
[Date "2016.04.28"]
[Round "4"]
[White "Duda, Ryszard"]
[Black "Kucharski, Jacek"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "1482"]
[BlackElo "1376"]
[PlyCount "94"]
[EventDate "2016.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Nh4 e6 8. Nxg6 hxg6 9. Be3 Qc7 10. h3 Ngf6 11. Bd3 0-0-0 12. Qd2 Bd6 13. Ne4 Nxe4 14. Bxe4 Nf6 15. Bf3 Nd5 16. Bxd5 exd5 17. 0-0-0 f5 18. g3 Rde8 19. h4 Rhf8 20. f4 Re4 21. Rde1 Rfe8 22. Bf2 R8e6 23. Rxe4 Rxe4 24. Re1 Qe7 25. Qd1 Rxe1 26. Qxe1 Qxe1+ 27. Bxe1 Kc7 28. Kd2 Be7 29. Kd3 Kb6 30. c4 Kc7 31. Ba5+ b6 32. Bc3 Kd7 33. b4 a6 34. a4 Kc7 35. c5 b5 36. axb5 axb5 37. Ke3 Kd7 38. Kf3 Ke6 39. Be1 Bf6 40. Bf2 Be7 41. g4 Bf6 42. Kg3 Kf7 43. Kh3 Kg8 44. h5 Kh7 45. g5 Be7 46. Bh4 Bf8 47. hxg6+ Kxg6 1/2-1/2

[Event "Warsaw YMCA Spring-D 170th"]
[Site "Warsaw"]
[Date "2016.04.19"]
[Round "3"]
[White "Budrewicz, Henryk"]
[Black "Duda, Ryszard"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1461"]
[BlackElo "1482"]
[PlyCount "66"]
[EventDate "2016.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. b3 Nc6 5. Bd3 e6 6. Bb2 cxd4 7. exd4 Qc7 8. Ne5 Bd6 9. f4 a6 10. a3 b5 11. 0-0 0-0 12. Nd2 Bb7 13. Rf3 Qb6 14. c3 Nxe5 15. fxe5 Bxe5 16. Qe2 Bc7 17. Kh1 Qd6 18. Rh3 e5 19. dxe5 Qxe5 20. Qf2 Rfe8 21. Rf1 Qe7 22. Qh4 h6 23. Rhf3 Ne4 24. Qxe7 Rxe7 25. Nb1 Rae8 26. c4 dxc4 27. bxc4 Nc5 28. cxb5 Bxf3 29. Bc4 Be2 30. Bxe2 Rxe2 31. Bc3 axb5 32. Bb4 Nd3 33. Bd2 Nf2+ 0-1

[Event "Warsaw YMCA Spring-D 170th"]
[Site "Warsaw"]
[Date "2016.04.12"]
[Round "2"]
[White "Duda, Ryszard"]
[Black "Tkaczyk, Weronika"]
[Result "1-0"]
[ECO "C87"]
[WhiteElo "1482"]
[BlackElo "1381"]
[PlyCount "41"]
[EventDate "2016.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Nf6 6. Re1 Bg4 7. c3 Be7 8. d4 b5 9. Bc2 Bxf3 10. gxf3 Qd7 11. dxe5 Nxe5 12. f4 Ng6 13. e5 Ng4 14. e6 fxe6 15. Qxg4 Kf7 16. f5 Nf8 17. fxe6+ Nxe6 18. Bf5 Qe8 19. Bxe6+ Kf8 20. Bg5 Bxg5 21. Qxg5 1-0

[Event "Warsaw YMCA Spring-D 170th"]
[Site "Warsaw"]
[Date "2016.04.05"]
[Round "1"]
[White "Sloniewski, Michal"]
[Black "Duda, Ryszard"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "1506"]
[BlackElo "1482"]
[PlyCount "120"]
[EventDate "2016.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d6 4. g3 Be7 5. Bg2 0-0 6. Nf3 c5 7. 0-0 Nc6 8. d4 cxd4 9. Nxd4 Nxd4 10. Qxd4 a6 11. b3 Qc7 12. Bb2 Rd8 13. Rfd1 Ne8 14. Rac1 Bd7 15. Qd2 Rac8 16. Qe2 Bf6 17. f4 Bc6 18. Kh1 Qa5 19. Ba1 g6 20. Qe3 Qc5 21. Qxc5 dxc5 22. e5 Bxg2+ 23. Kxg2 Be7 24. Ne4 b6 25. Bc3 Rxd1 26. Rxd1 Rd8 27. Rxd8 Bxd8 28. Kf3 Kf8 29. Ke3 h5 30. b4 cxb4 31. Bxb4+ Be7 32. c5 Nc7 33. Kd3 Nd5 34. Ba3 bxc5 35. Bxc5 Bxc5 36. Nxc5 Nb4+ 37. Kc4 Nxa2 38. Nxa6 Nc1 39. Kc3 Ke7 40. Nc5 h4 41. Kd2 hxg3 42. hxg3 Na2 43. Kd3 Nb4+ 44. Ke3 Nc6 45. Kf3 g5 46. Ne4 gxf4 47. gxf4 Nd4+ 48. Kg4 Nf5 49. Kg5 Ne3 50. Nf6 Nd5 51. Ng8+ Kf8 52. Nf6 Ne7 53. Nh7+ Kg7 54. Nf6 Ng6 55. Ne8+ Kf8 56. Nd6 Kg7 57. Nc4 Ne7 58. Ne3 Ng6 59. Ng2 Ne7 60. Nh4 Nc6 1/2-1/2

[Event "Warsaw YMCA Winter-D 166th"]
[Site "Warsaw"]
[Date "2016.03.22"]
[Round "13"]
[White "Duda, Ryszard"]
[Black "Kucharski, Jacek"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1461"]
[BlackElo "1336"]
[PlyCount "120"]
[EventDate "2016.01.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 0-0 8. 0-0 a6 9. a4 Bd7 10. Qd2 Nc6 11. Nxc6 Bxc6 12. f3 Rc8 13. Kh1 Nd7 14. Bh6 Bxh6 15. Qxh6 Qb6 16. Rfb1 Nf6 17. Qg5 Bd7 18. Qd2 Rfd8 19. Bd3 Qb4 20. Qe2 Rc5 21. Nd5 Nxd5 22. exd5 Qh4 23. c4 e5 24. b4 Rc7 25. c5 Qf6 26. Rc1 dxc5 27. bxc5 Rdc8 28. c6 bxc6 29. Bxa6 Ra8 30. dxc6 Rxc6 31. Bb5 Rxc1+ 32. Rxc1 Qf4 33. Re1 Bxb5 34. axb5 Qd4 35. h3 f6 36. Rd1 Ra1 37. Rxa1 Qxa1+ 38. Kh2 Qd4 39. Qe4 Kf7 40. Qxd4 exd4 41. Kg1 Ke7 42. Kf2 Kd6 43. Ke2 Kc5 44. Kd3 Kxb5 45. Kxd4 Kc6 46. f4 Kd6 47. g4 Ke6 48. Kc5 h5 49. Kd4 hxg4 50. hxg4 Kd6 51. Ke4 Ke6 52. f5+ gxf5+ 53. gxf5+ Kd7 54. Kd5 Ke7 55. Kc6 Ke8 56. Kd6 Kf7 57. Kd7 Kf8 58. Ke6 Kg7 59. Ke7 Kg8 60. Kxf6 Kf8 1-0

[Event "Warsaw YMCA Winter-D 166th"]
[Site "Warsaw"]
[Date "2016.03.15"]
[Round "11"]
[White "Duda, Ryszard"]
[Black "Fieducik, Marcin"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1461"]
[BlackElo "1439"]
[PlyCount "93"]
[EventDate "2016.01.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Bc5 6. c3 0-0 7. Re1 d6 8. h3 Be6 9. d4 exd4 10. cxd4 Bb4 11. Nc3 Bd7 12. Bg5 h6 13. Bh4 g5 14. Bg3 b5 15. Bc2 Ne7 16. a3 Bxc3 17. bxc3 Ng6 18. Qd2 Re8 19. e5 Nh5 20. Bh2 d5 21. Bb3 Be6 22. Qe3 Qe7 23. Nd2 Rac8 24. Bd1 Ng7 25. Nb3 Nf5 26. Qd2 Kg7 27. Nc5 Ra8 28. Be2 c6 29. a4 Nfh4 30. Ra2 f6 31. exf6+ Qxf6 32. Bh5 Kg8 33. axb5 cxb5 34. Rea1 Bc8 35. Bg4 Nf5 36. Ra5 Kh7 37. Qc2 Qe7 38. Be5 Nxe5 39. Bxf5+ Kh8 40. Bxc8 Raxc8 41. Rxa6 Nc4 42. Rxh6+ Kg8 43. Re6 Qf7 44. Rae1 Rxe6 45. Rxe6 Kf8 46. Qe2 Qf4 47. Rf6+ 1-0

[Event "Warsaw YMCA Winter-D 166th"]
[Site "Warsaw"]
[Date "2016.03.08"]
[Round "10"]
[White "Felicetti, Francesco"]
[Black "Duda, Ryszard"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1352"]
[BlackElo "1461"]
[PlyCount "62"]
[EventDate "2016.01.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. d3 e6 4. g3 Nf6 5. Bg2 Be7 6. Bd2 0-0 7. Nge2 d5 8. exd5 Nxd5 9. 0-0 Nxc3 10. Bxc3 Qc7 11. Qc1 e5 12. f4 Nd4 13. Nxd4 exd4 14. Bd2 Bd7 15. b3 Bc6 16. Bxc6 Qxc6 17. Rf2 b5 18. a4 a6 19. Qf1 Rfc8 20. Re2 Bf6 21. axb5 axb5 22. Ree1 Rxa1 23. Rxa1 c4 24. bxc4 bxc4 25. dxc4 d3 26. c3 Qxc4 27. Rc1 h6 28. Qf3 Be7 29. Re1 Qa2 30. Rxe7 Qxd2 31. Rd7 Re8 0-1

[Event "Warsaw YMCA Winter-D 166th"]
[Site "Warsaw"]
[Date "2016.03.01"]
[Round "9"]
[White "Duda, Ryszard"]
[Black "Markiewicz, Janusz"]
[Result "1-0"]
[ECO "D08"]
[WhiteElo "1461"]
[BlackElo "1357"]
[PlyCount "81"]
[EventDate "2016.01.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Bg5 Bb4+ 6. Nbd2 Nge7 7. a3 Bxd2+ 8. Qxd2 h6 9. Bf4 Ng6 10. Rd1 Be6 11. e3 Nxf4 12. exf4 Bg4 13. Be2 Bxf3 14. Bxf3 Qd7 15. 0-0 Rd8 16. Qd3 0-0 17. Rfe1 Rfe8 18. b4 Kh8 19. Bd5 b6 20. Qf3 Nb8 21. b5 Qe7 22. Rxd4 c5 23. Rde4 g6 24. Qh3 Kg7 25. f5 Kh7 26. fxg6+ fxg6 27. Qe3 Nd7 28. Bc6 Rf8 29. g3 g5 30. Bd5 Rf5 31. Qd3 Kg7 32. R4e2 Rxe5 33. Qc3 Re8 34. f4 gxf4 35. gxf4 Kh7 36. fxe5 Qh4 37. Be4+ Kh8 38. e6+ Nf6 39. Bg2 Kh7 40. Qd3+ Kg7 41. Qg3+ 1-0

[Event "Warsaw YMCA Winter-D 166th"]
[Site "Warsaw"]
[Date "2016.02.23"]
[Round "8"]
[White "Rozycki, Dariusz"]
[Black "Duda, Ryszard"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "1398"]
[BlackElo "1461"]
[PlyCount "91"]
[EventDate "2016.01.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Be3 0-0 6. Qd2 Nbd7 7. Bh6 c5 8. Bxg7 Kxg7 9. d5 Qc7 10. Nc3 a6 11. g4 Nb6 12. h4 h5 13. gxh5 Nxh5 14. b3 e5 15. Rh2 Qe7 16. Bh3 Qxh4+ 17. Kd1 Qf4 18. Qf2 Bxh3 19. Nge2 Qf6 20. Rxh3 Nf4 21. Nxf4 Qxf4 22. Kc2 Rh8 23. Rah1 Rxh3 24. Rxh3 Rh8 25. Ne2 Qf6 26. Rg3 Rh4 27. Qg2 Qd8 28. Rg4 Rxg4 29. Qxg4 Qd7 30. Qg5 f6 31. Qg2 f5 32. Ng3 f4 33. Nf5+ Kf6 34. Nh6 g5 35. Ng4+ Kg6 36. Qg1 Qh7 37. b4 Nd7 38. bxc5 Nxc5 39. Nxe5+ Kf6 40. Nd3 b6 41. Kc3 Kg6 42. Nxc5 bxc5 43. e5 Qg7 44. Qb1+ Kh6 45. Qh1+ Kg6 46. Qb1+ 1/2-1/2

[Event "Warsaw YMCA Winter-D 166th"]
[Site "Warsaw"]
[Date "2016.02.16"]
[Round "7"]
[White "Duda, Ryszard"]
[Black "Wojcikiewicz, Dariusz"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1461"]
[BlackElo "1461"]
[PlyCount "71"]
[EventDate "2016.01.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Bd3 Nf6 5. Nge2 c5 6. 0-0 Nc6 7. dxc5 Bxc5 8. a3 Ne5 9. b4 Nxd3 10. Qxd3 Be7 11. e5 Nd5 12. Nxd5 Bxd5 13. c4 Bb7 14. Qg3 g6 15. Bb2 Bh4 16. Qd3 Rc8 17. g3 Be7 18. Rac1 Qc7 19. Rfd1 Rd8 20. Nc3 Qc6 21. Nd5 exd5 22. cxd5 Qa4 23. d6 Bg5 24. f4 Bh6 25. Rc7 Bc6 26. e6 0-0 27. e7 f5 28. exd8Q Rxd8 29. Qc4+ Kf8 30. Qd4 Ra8 31. Re1 Be4 32. Qf6+ Kg8 33. Qh8+ Kf7 34. Qxh7+ Ke6 35. Qe7+ Kd5 36. Qe5# 1-0

[Event "Warsaw YMCA Winter-D 166th"]
[Site "Warsaw"]
[Date "2016.02.09"]
[Round "6"]
[White "Matyszkiewicz, Wiktor"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1412"]
[BlackElo "1461"]
[PlyCount "75"]
[EventDate "2016.01.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. g3 d6 5. Bg2 Nf6 6. d3 Be7 7. Bg5 h6 8. Be3 a6 9. 0-0 0-0 10. Qd2 Ng4 11. Bf4 g5 12. Be3 Kg7 13. Rad1 Nxe3 14. Qxe3 Bf6 15. Qd2 Qc7 16. b3 Rb8 17. Ne2 b5 18. h3 Rd8 19. d4 cxd4 20. Nfxd4 Nxd4 21. Nxd4 d5 22. exd5 Bb7 23. Qe2 Bxd5 24. Nf5+ Kg6 25. Bxd5 Rxd5 26. Rxd5 exd5 27. Qd3 Qe5 28. Ne7+ Kg7 29. Nc6 Qc7 30. Nxb8 Qxb8 31. Qxd5 Qc8 32. Qg2 Qxc2 33. f4 Qc5+ 34. Kh2 Bd4 35. fxg5 hxg5 36. Qe4 f6 37. Rd1 Be5 38. Rd7+ 1-0

[Event "Warsaw YMCA Winter-D 166th"]
[Site "Warsaw"]
[Date "2016.02.02"]
[Round "12"]
[White "Rokni, Farzam"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "1497"]
[BlackElo "1461"]
[PlyCount "63"]
[EventDate "2016.01.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 d6 6. 0-0 Nf6 7. Nbd2 0-0 8. c3 Qc7 9. Nh4 Ne5 10. Qc2 Bg4 11. f4 Nc6 12. h3 Bd7 13. a4 e6 14. b3 Rac8 15. Ba3 Rfe8 16. Nc4 b6 17. Rae1 e5 18. Bc1 Be6 19. f5 Bxc4 20. dxc4 Rf8 21. Bf3 Ne7 22. g4 Nd7 23. Rd1 Rcd8 24. g5 f6 25. fxg6 hxg6 26. Bg4 fxg5 27. Bxg5 Bf6 28. Nf3 Kg7 29. Qd2 Bxg5 30. Nxg5 Rxf1+ 31. Rxf1 Nf8 32. Rxf8 1-0

[Event "Warsaw YMCA Winter-D 166th"]
[Site "Warsaw"]
[Date "2016.01.29"]
[Round "3"]
[White "Duda, Ryszard"]
[Black "Matyszkiewicz, Radoslaw"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "1461"]
[BlackElo "1297"]
[PlyCount "95"]
[EventDate "2016.01.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Qc7 6. Nc3 Bb4 7. Qd2 Nf6 8. f3 Nc6 9. a3 Be7 10. 0-0-0 0-0 11. g4 b5 12. h4 Bb7 13. h5 Nxd4 14. Bxd4 e5 15. Be3 g6 16. hxg6 fxg6 17. g5 Nh5 18. Nd5 Bxd5 19. Qxd5+ Kh8 20. Qxd7 Qxd7 21. Rxd7 Rxf3 22. Rxe7 Rxe3 23. Bd3 Rc8 24. Kd1 Rd8 25. Re1 Rg3 26. Rxe5 Nf4 27. Rh1 Rd7 28. Kc1 Nxd3+ 29. cxd3 Rgxd3 30. Re8+ Kg7 31. Rg1 Rc7+ 32. Kb1 Rd2 33. Rc1 Rxc1+ 34. Kxc1 Rg2 35. Re7+ Kg8 36. Re5 Kf7 37. Rc5 Rg4 38. Re5 Kg7 39. Kc2 Rg3 40. Rd5 Rg4 41. Kd3 h6 42. Rd7+ Kg8 43. gxh6 Rf4 44. Rg7+ Kh8 45. Rxg6 Kh7 46. Rxa6 Rf2 47. b4 Rf3+ 48. Kd4 1-0

[Event "Warsaw YMCA Winter-D 166th"]
[Site "Warsaw"]
[Date "2016.01.26"]
[Round "4"]
[White "Borowski, Marek"]
[Black "Duda, Ryszard"]
[Result "0-1"]
[ECO "D90"]
[WhiteElo "1476"]
[BlackElo "1461"]
[PlyCount "97"]
[EventDate "2016.01.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 g6 4. cxd5 Nxd5 5. e4 Nf6 6. Nc3 Bg7 7. Bc4 Bg4 8. Bxf7+ Kxf7 9. Ne5+ Ke8 10. Nxg4 Qd7 11. Ne5 Qe6 12. 0-0 Nbd7 13. Nb5 Qb6 14. Nxd7 Nxd7 15. Qb3 a6 16. Nc3 Qxb3 17. axb3 Bxd4 18. Nd5 Bb6 19. Bg5 e6 20. Nf4 h6 21. Nxe6 hxg5 22. Nxg5 Ne5 23. Ne6 Kf7 24. Nf4 c6 25. Rfd1 Rad8 26. Kf1 Rxd1+ 27. Rxd1 Rd8 28. Rxd8 Bxd8 29. Ke2 Bf6 30. f3 a5 31. Kd1 Bg5 32. Ne2 Be3 33. Kc2 b5 34. f4 Nd7 35. Kd3 Bf2 36. e5 Ke6 37. h3 Nc5+ 38. Kc2 b4 39. Nc1 Kd5 40. g4 Ne6 41. Nd3 Bg3 42. f5 gxf5 43. gxf5 Nd4+ 44. Kd2 Nxf5 45. Ke2 Bxe5 46. Kf3 Nd4+ 47. Kg4 Bf6 48. h4 Nxb3 49. h5 0-1

[Event "Warsaw YMCA Winter-D 166th"]
[Site "Warsaw"]
[Date "2016.01.20"]
[Round "5"]
[White "Duda, Ryszard"]
[Black "Staszewski, Krzysztof"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "1461"]
[BlackElo "1496"]
[PlyCount "115"]
[EventDate "2016.01.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nc6 7. h3 e5 8. d5 Ne7 9. Be3 Nd7 10. Qd2 f5 11. Bh6 f4 12. Bxg7 Kxg7 13. 0-0-0 a5 14. g3 fxg3 15. fxg3 Nc5 16. h4 Bg4 17. Ng5 Bxe2 18. Qxe2 h6 19. Nh3 Qd7 20. g4 Rf7 21. Rdf1 Raf8 22. Rxf7+ Rxf7 23. Rg1 Ng8 24. Qe3 Qe7 25. g5 h5 26. Rg2 Rf1+ 27. Kd2 Qd7 28. Nf2 Na4 29. Qe2 Ra1 30. Nfd1 Nxc3 31. Nxc3 Qh3 32. Rh2 Qf1 33. Qxf1 Rxf1 34. Nb5 Rf7 35. Ke3 Rd7 36. Rf2 c6 37. Nc3 Rf7 38. Rxf7+ Kxf7 39. a3 Ne7 40. b4 axb4 41. axb4 Ke8 42. c5 Kd7 43. Kd3 cxd5 44. Nxd5 Nc6 45. b5 Nd4 46. Kc4 Ne6 47. c6+ bxc6 48. bxc6+ Kxc6 49. Ne7+ Kd7 50. Nxg6 Nd4 51. Nf8+ Ke7 52. Nh7 Nf3 53. g6 Nxh4 54. g7 Kf7 55. Nf6 Kxg7 56. Nxh5+ Kg6 57. Ng3 Kg5 58. Kd5 1/2-1/2

[Event "Warsaw YMCA Winter-D 166th"]
[Site "Warsaw"]
[Date "2016.01.12"]
[Round "2"]
[White "Tomsia, Jakub"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1485"]
[BlackElo "1461"]
[PlyCount "131"]
[EventDate "2016.01.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Nxc6 bxc6 7. Bd3 d5 8. 0-0 d4 9. Ne2 e5 10. f4 Bd6 11. Kh1 0-0 12. c3 dxc3 13. Nxc3 a5 14. f5 Bb4 15. Bg5 h6 16. Bh4 Be7 17. Bg3 Qc7 18. Qe2 Bb7 19. Rac1 Nd7 20. Nd5 Qd8 21. Nxe7+ Qxe7 22. Bf2 Rfc8 23. Rfd1 Rd8 24. Bc4 Nf6 25. Bc5 Rxd1+ 26. Qxd1 Qd8 27. Qe2 Qc7 28. g4 Nd7 29. Bd3 Nxc5 30. Rxc5 Qd6 31. Rc3 Rd8 32. Kg2 Qd4 33. Kf3 Rd6 34. Qe3 a4 35. Qxd4 Rxd4 36. Ke3 Kf8 37. Rc5 Rb4 38. Ra5 c5 39. b3 axb3 40. axb3 Rxb3 41. Rxc5 Ba6 42. Rd5 Ke7 43. Rxe5+ Kf6 44. Rd5 Bxd3 45. Rxd3 Rb2 46. h3 Rh2 47. Kf4 Ke7 48. e5 Rc2 49. Ke4 Rc8 50. Ra3 Rd8 51. Ra7+ Kf8 52. e6 Re8 53. Rxf7+ Kg8 54. Ke5 Ra8 55. Rc7 Kf8 56. Kd6 Re8 57. Rf7+ Kg8 58. Rd7 Kf8 59. Kc7 Re7 60. Kd6 Re8 61. h4 Kg8 62. g5 hxg5 63. hxg5 Kf8 64. g6 Kg8 65. e7 Rxe7 66. Rd8+ 1-0

[Event "Warsaw YMCA Winter-D 166th"]
[Site "Warsaw"]
[Date "2016.01.05"]
[Round "1"]
[White "Duda, Ryszard"]
[Black "Budrewicz, Henryk"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1461"]
[BlackElo "1498"]
[PlyCount "119"]
[EventDate "2016.01.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 c5 4. d4 cxd4 5. Nxd4 Nc6 6. e4 Bb4 7. Nxc6 bxc6 8. Bd3 d5 9. exd5 exd5 10. 0-0 0-0 11. cxd5 Nxd5 12. Nxd5 Qxd5 13. Qc2 Qe5 14. g3 Bh3 15. Bf4 Qh5 16. Rfd1 Rfe8 17. Bf1 Bg4 18. Rdc1 Rac8 19. a3 Ba5 20. b4 Bb6 21. Re1 c5 22. Rxe8+ Rxe8 23. Be3 Rc8 24. Ba6 Rc7 25. Qe4 g6 26. Bf4 Bf3 27. Qe8+ Kg7 28. Bxc7 Bxc7 29. Bc4 Qf5 30. Re1 Bd6 31. b5 h5 32. Bf1 Qd5 33. Qe3 f6 34. Qd3 Be5 35. Qxd5 Bxd5 36. Rc1 Bd4 37. Bc4 Bf3 38. a4 Kf8 39. Re1 Be5 40. Re3 Bg4 41. Kg2 Bc8 42. Bd5 g5 43. Bc6 g4 44. Rd3 Ke7 45. Rd5 Bd6 46. Rxh5 c4 47. Be4 c3 48. Rh7+ Ke6 49. Rxa7 f5 50. Bc2 Ke5 51. Kf1 Be6 52. Ke1 Bd5 53. Rh7 Bb4 54. b6 Be4 55. b7 Bd6 56. Bxe4 fxe4 57. Kd1 Kd5 58. Rd7 e3 59. fxe3 c2+ 60. Kxc2 1-0

[Event "Warsaw YMCA Autumn-D 158th"]
[Site "Warsaw"]
[Date "2015.12.08"]
[Round "12"]
[White "Duda, Ryszard"]
[Black "Markiewicz, Janusz"]
[Result "0-1"]
[ECO "C40"]
[WhiteElo "1506"]
[BlackElo "1356"]
[PlyCount "38"]
[EventDate "2015.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. exd5 e4 4. Qe2 Nf6 5. Nc3 Be7 6. Nxe4 Nxd5 7. d4 0-0 8. Be3 f5 9. Nc5 f4 10. c4 fxe3 11. cxd5 exf2+ 12. Qxf2 b6 13. Nd3 Qxd5 14. Be2 Qa5+ 15. Kf1 Bb7 16. Qe3 Bd6 17. Kg1 Na6 18. Qe6+ Kh8 19. Ng5 Qxg5 0-1

[Event "Warsaw YMCA Autumn-D 158th"]
[Site "Warsaw"]
[Date "2015.12.01"]
[Round "11"]
[White "Kaluzynski, Waldemar"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1449"]
[BlackElo "1506"]
[PlyCount "227"]
[EventDate "2015.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d5 6. c3 c6 7. Nbd2 Nbd7 8. e4 Qc7 9. Re1 dxe4 10. dxe4 Ne5 11. Qc2 Nfd7 12. Nf1 Nxf3+ 13. Bxf3 Ne5 14. Bg2 Rd8 15. Bf4 Qb6 16. Be3 Qc7 17. f3 Be6 18. b3 c5 19. Rad1 b6 20. Bf4 Rxd1 21. Rxd1 Rd8 22. Ne3 Rxd1+ 23. Qxd1 Qd7 24. Nd5 Nc6 25. Qd2 Be5 26. Bxe5 Nxe5 27. Kf2 Kg7 28. Bf1 Bh3 29. Qf4 f6 30. Be2 g5 31. Qc1 Be6 32. c4 Nc6 33. Bd3 Bf7 34. Bf1 e6 35. Ne3 Qd4 36. Qd1 Qb2+ 37. Qc2 Qa1 38. Qd2 Nd4 39. Ng4 h5 40. Ne3 Bg6 41. h4 gxh4 42. gxh4 Qb1 43. Bg2 Be8 44. Nd1 Bc6 45. Nc3 Qc2 46. Qxc2 Nxc2 47. Ke2 Nd4+ 48. Ke3 f5 49. e5 Kg6 50. Ne2 Nxe2 51. Kxe2 f4 52. Bh3 Kf7 53. Kf2 b5 54. Bf1 a6 55. Bd3 bxc4 56. bxc4 Ba4 57. Ke2 Kg7 58. Kd2 Be8 59. Be4 Bg6 60. Bb7 a5 61. Kc3 Be8 62. Bc8 Bc6 63. Bxe6 Bxf3 64. Kd3 Bg4 65. Bd5 Bf5+ 66. Ke2 Bg4+ 67. Kd3 Kf8 68. Kd2 Ke7 69. Kd3 Bf5+ 70. Ke2 Bg4+ 71. Kd3 Bh3 72. Ke4 f3 73. Kxf3 Bg4+ 74. Kf4 Be2 75. Ke3 Bd1 76. Kd2 Bg4 77. Kc2 Bd7 78. Kb3 Be8 79. a3 Bd7 80. Kc3 Bg4 81. Kd3 Bd1 82. Ke3 Bg4 83. Kf4 Be2 84. Ke3 Bg4 85. Kf4 Be2 86. Ke3 Bg4 87. Kf2 Bd1 88. Kg3 Be2 89. Kf4 Bd1 90. Kf5 Bg4+ 91. Kf4 Be2 92. Ke3 Bd1 93. Bf3 Bb3 94. Kd3 Ke6 95. Bxh5 Kxe5 96. Bf3 Ba4 97. h5 Be8 98. Ke3 Bf7 99. Be2 Kf5 100. h6 Kf6 101. Kf4 Bg6 102. Ke3 Bf5 103. Bd3 Be6 104. Kf4 Bf7 105. h7 Kg7 106. Ke5 Bxc4 107. Bxc4 Kxh7 108. Kd5 Kg7 109. Kxc5 Kf8 110. Kb5 Ke7 111. Bd5 Kd6 112. Bf3 Kc7 113. Kxa5 Kb8 114. Kb6 1-0

[Event "Warsaw YMCA Autumn-D 158th"]
[Site "Warsaw"]
[Date "2015.11.24"]
[Round "10"]
[White "Duda, Ryszard"]
[Black "Sloniewski, Michal"]
[Result "1/2-1/2"]
[ECO "B39"]
[WhiteElo "1506"]
[BlackElo "1412"]
[PlyCount "64"]
[EventDate "2015.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. e4 Bg7 7. Be3 Ng4 8. Qxg4 Nxd4 9. Bxd4 Bxd4 10. Qg3 d6 11. Be2 Bd7 12. 0-0 Rc8 13. Qd3 Bg7 14. Rab1 0-0 15. Qe3 b6 16. Rbd1 Be6 17. b3 Qc7 18. Nd5 Bxd5 19. Rxd5 Rfd8 20. Rfd1 e6 21. R5d3 Rd7 22. Bg4 Rcd8 23. Rf1 a6 24. a4 Qc6 25. Bf3 Be5 26. g3 b5 27. axb5 axb5 28. cxb5 Qxb5 29. Rfd1 Bg7 30. Be2 Qb7 31. Bf3 Qb5 32. Be2 Qb7 1/2-1/2

[Event "Warsaw YMCA Autumn-D 158th"]
[Site "Warsaw"]
[Date "2015.11.17"]
[Round "9"]
[White "Kucharski, Jacek"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1311"]
[BlackElo "1506"]
[PlyCount "145"]
[EventDate "2015.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. g3 Nf6 4. Bg2 d5 5. cxd5 Nxd5 6. 0-0 e5 7. d3 Be7 8. Nc3 Nxc3 9. bxc3 0-0 10. Bb2 Be6 11. Qc2 Qc7 12. a3 Rac8 13. c4 Nd4 14. Nxd4 cxd4 15. a4 b6 16. Ba3 Bc5 17. Bxc5 Qxc5 18. Qb3 Rfd8 19. Qb5 Qc7 20. Rfb1 Bd7 21. Qb4 Bc6 22. Bxc6 Qxc6 23. Qe7 Qc7 24. Qxc7 Rxc7 25. Rb5 f6 26. a5 bxa5 27. Raxa5 Rdd7 28. Rb8+ Kf7 29. Rab5 a6 30. Ra5 Rd6 31. f3 Ke6 32. Kf2 f5 33. Re8+ Re7 34. Rxe7+ Kxe7 35. Rxe5+ Kf6 36. Ra5 g5 37. e4 dxe3+ 38. Kxe3 f4+ 39. gxf4 gxf4+ 40. Kxf4 Rxd3 41. Rxa6+ Kg7 42. Rc6 Rd2 43. h4 Rh2 44. Kg3 Rh1 45. Re6 Rg1+ 46. Kf2 Rc1 47. Re4 Rc3 48. Kg3 h5 49. Kf4 Kf6 50. Rd4 Ke6 51. Ke4 Rc1 52. Ke3 Rc3+ 53. Kf4 Kf6 54. Rd6+ Ke7 55. Rc6 Kd7 56. Rc5 Kd6 57. Rxh5 Rxc4+ 58. Kf5 Ke7 59. f4 Kf7 60. Rg5 Rc6 61. h5 Rf6+ 62. Kg4 Rh6 63. Rf5+ Kg7 64. Kg5 Rc6 65. Ra5 Rc7 66. Ra6 Rc5+ 67. f5 Rc7 68. Re6 Rc5 69. h6+ Kh7 70. Re7+ Kh8 71. Kg6 Rc8 72. f6 Rc6 73. Re8# 1-0

[Event "Warsaw YMCA Autumn-D 158th"]
[Site "Warsaw"]
[Date "2015.11.10"]
[Round "8"]
[White "Duda, Ryszard"]
[Black "Borowski, Marek"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "1506"]
[BlackElo "1567"]
[PlyCount "149"]
[EventDate "2015.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Nf6 3. d4 d5 4. e3 c6 5. Nf3 Nbd7 6. Bd3 Be7 7. 0-0 0-0 8. a3 dxc4 9. Bxc4 b5 10. Bd3 Bb7 11. Bd2 a6 12. Rc1 c5 13. dxc5 Nxc5 14. Be2 Nce4 15. Nxe4 Nxe4 16. Bc3 Nxc3 17. Rxc3 Bf6 18. Rd3 Qc8 19. Rd2 Rd8 20. Rxd8+ Qxd8 21. Qb1 Rc8 22. Rc1 g6 23. h3 Kg7 24. b4 Rc7 25. Nh2 Rxc1+ 26. Qxc1 Qc8 27. Qd1 Bb2 28. a4 Bc6 29. Qc2 Bf6 30. axb5 axb5 31. Bxb5 Bd7 32. Qxc8 Bxc8 33. Bc6 Bd8 34. Nf3 Kf6 35. Kf1 Ke7 36. Ke2 f6 37. Kd3 Kd6 38. Ba4 e5 39. Nd2 f5 40. e4 Bc7 41. Nc4+ Ke7 42. f3 Be6 43. b5 Kf6 44. Kc3 Kg5 45. Ne3 Ba5+ 46. Kd3 Kf4 47. Nf1 fxe4+ 48. fxe4 Ba2 49. Bc2 g5 50. Ke2 g4 51. g3+ Kg5 52. h4+ Kf6 53. Ne3 Be6 54. Bd3 h5 55. Bc4 Bb6 56. Bd5 Bd7 57. Bc6 Ke6 58. Bxd7+ Kxd7 59. Nf5 Bd8 60. Ng7 Ke7 61. Kd3 Kf7 62. Nf5 Ke6 63. Kc4 Bb6 64. Kd3 Bf2 65. Ke2 Bb6 66. Ne3 Kd6 67. Nf5+ Kc5 68. Ng7 Kd4 69. Nxh5 Kxe4 70. Nf6+ Kf5 71. Nd5 Ba7 72. b6 Bb8 73. Ne7+ Ke6 74. Nc6 Bd6 75. b7 1-0

[Event "Warsaw YMCA Autumn-D 158th"]
[Site "Warsaw"]
[Date "2015.11.05"]
[Round "7"]
[White "Duda, Ryszard"]
[Black "Budrewicz, Henryk"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "1506"]
[BlackElo "1540"]
[PlyCount "135"]
[EventDate "2015.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d6 3. d4 Qc7 4. Nf3 Nd7 5. e3 e5 6. Bd3 Be7 7. 0-0 Ngf6 8. h3 0-0 9. b3 Re8 10. Bb2 Nf8 11. Qc2 Ng6 12. Bc1 Bd7 13. a4 a5 14. Bd2 Reb8 15. Rfc1 Qc8 16. Kh2 Ne8 17. Ne2 f5 18. dxe5 dxe5 19. e4 f4 20. Bc3 Bf6 21. Rg1 c5 22. Rgd1 Qc7 23. Neg1 Rd8 24. Rd2 Bc6 25. Rad1 Nd6 26. Bb2 b6 27. Ne2 Nf7 28. Nc3 Qb7 29. Nd5 Be7 30. Re1 Bd6 31. Rde2 Nf8 32. Bc1 Ne6 33. Bb2 Nd4 34. Nxd4 cxd4 35. Rg1 g5 36. f3 Kg7 37. g3 fxg3+ 38. Rxg3 Kh8 39. Reg2 Rg8 40. Qf2 h6 41. Qg1 Bxd5 42. cxd5 Qe7 43. h4 Rg7 44. Rh3 Qf6 45. Bc1 Kg8 46. hxg5 Nxg5 47. Bxg5 hxg5 48. Rg4 Rc8 49. Bc4 Rcc7 50. Qg2 Be7 51. d6+ Rxc4 52. bxc4 Qxd6 53. Qa2 Qc5 54. Qb3 Qb4 55. Qc2 Qa3 56. f4 Qd6 57. fxg5 Bxg5 58. Qg2 Qg6 59. Kh1 Qf6 60. Rh5 Be3 61. Rxg7+ Qxg7 62. Qxg7+ Kxg7 63. Rxe5 d3 64. Rd5 d2 65. Kg2 Kf6 66. Kf3 Bg5 67. Ke2 Ke6 68. Rxg5 1-0

[Event "Warsaw YMCA Autumn-D 158th"]
[Site "Warsaw"]
[Date "2015.10.27"]
[Round "6"]
[White "Rozycki, Dariusz"]
[Black "Duda, Ryszard"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "1399"]
[BlackElo "1506"]
[PlyCount "75"]
[EventDate "2015.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 a6 6. Be3 d5 7. f3 Nf6 8. Qd2 dxe4 9. fxe4 Bb4 10. Nxc6 Qxd2+ 11. Bxd2 bxc6 12. 0-0-0 0-0 13. Bd3 a5 14. a3 Be7 15. h3 Ba6 16. g4 Bxd3 17. cxd3 Nd7 18. h4 Nc5 19. Bf4 Rfd8 20. Kc2 a4 21. g5 Nb3 22. Nxa4 Nd4+ 23. Kb1 Rxa4 24. h5 Bd6 25. e5 Be7 26. g6 fxg6 27. hxg6 Rb8 28. Rxh7 Nf5 29. Rdh1 Bh4 30. Bg5 Rb5 31. Bxh4 Nxh4 32. R7xh4 Rxh4 33. Rxh4 Rxe5 34. Rg4 Re2 35. a4 Rd2 36. Rd4 Kf8 37. a5 Rg2 38. a6 1-0

[Event "Warsaw YMCA Autumn-D 158th"]
[Site "Warsaw"]
[Date "2015.10.22"]
[Round "4"]
[White "Szymanski, Pawel"]
[Black "Duda, Ryszard"]
[Result "0-1"]
[ECO "B49"]
[WhiteElo "1490"]
[BlackElo "1506"]
[PlyCount "52"]
[EventDate "2015.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 a6 6. Be3 Qc7 7. Be2 Nf6 8. f3 Be7 9. Qd2 0-0 10. 0-0-0 Rd8 11. Qe1 d5 12. exd5 Nxd5 13. Nxd5 Rxd5 14. Nb3 Qe5 15. Rxd5 exd5 16. Qc3 Qe6 17. Nc5 Qd6 18. Nb3 Bf6 19. Qc5 Qe5 20. c3 Be6 21. f4 Qe4 22. Bf3 Qa4 23. Bxd5 Bxd5 24. Qxd5 Qxa2 25. Bd4 Nxd4 26. cxd4 Rc8+ 0-1

[Event "Warsaw YMCA Autumn-D 158th"]
[Site "Warsaw"]
[Date "2015.10.20"]
[Round "5"]
[White "Duda, Ryszard"]
[Black "Staszewski, Krzysztof"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1506"]
[BlackElo "1416"]
[PlyCount "138"]
[EventDate "2015.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. f3 g6 7. Be3 Bg7 8. Qd2 Nc6 9. 0-0-0 0-0 10. g4 Nxd4 11. Bxd4 b5 12. h4 h5 13. g5 Nd7 14. Bxg7 Kxg7 15. Qd4+ Kg8 16. f4 Bb7 17. Nd5 Rc8 18. Kb1 e6 19. Nc3 Nc5 20. b4 Na4 21. Nxa4 bxa4 22. Bd3 Qc7 23. Rhf1 d5 24. exd5 Bxd5 25. Rc1 Rfd8 26. Qb2 Qc3 27. Qxc3 Rxc3 28. Kb2 Rdc8 29. a3 a5 30. b5 R3c5 31. Rce1 Bc4 32. Bxc4 Rxc4 33. Rf2 Kf8 34. Re5 Ke7 35. b6 Rb8 36. Rb5 Kd6 37. Rxa5 Rxb6+ 38. Kc1 Rb7 39. Kd2 Rbc7 40. c3 Rxc3 41. Rxa4 Rc2+ 42. Ke1 Rc1+ 43. Ke2 Rh1 44. Rd4+ Ke7 45. a4 Rxh4 46. a5 Rh1 47. Ra4 Rc2+ 48. Kf3 Rh3+ 49. Kg2 Rxf2+ 50. Kxf2 Rb3 51. a6 Rb8 52. a7 Ra8 53. Kf3 Kd7 54. Ke4 Kd6 55. Ra6+ Kc5 56. Ke5 Kb5 57. Ra3 Kb6 58. Kf6 Rxa7 59. Rxa7 Kxa7 60. Kxf7 h4 61. Kxg6 h3 62. Kf7 h2 63. g6 h1Q 64. g7 Qh7 65. Kf8 Qf5+ 66. Ke8 Qxf4 67. g8Q Qb8+ 68. Kf7 Qxg8+ 69. Kxg8 e5 0-1

[Event "Warsaw YMCA Autumn-D 158th"]
[Site "Warsaw"]
[Date "2015.10.06"]
[Round "3"]
[White "Duda, Ryszard"]
[Black "Wojcikiewicz, Dariusz"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1506"]
[BlackElo "1469"]
[PlyCount "56"]
[EventDate "2015.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Bd3 Nf6 5. Bg5 h6 6. Bh4 Bb4 7. f3 Be7 8. Nge2 d6 9. Bf2 Nbd7 10. g4 g5 11. Qd2 c5 12. 0-0-0 a6 13. Ng3 b5 14. dxc5 dxc5 15. Be2 Qc7 16. Nh5 Nxh5 17. gxh5 0-0-0 18. Qe1 Nf6 19. Bg3 Rxd1+ 20. Nxd1 Qd7 21. Be5 Rd8 22. Qc3 Nxh5 23. Nf2 b4 24. Qc4 Nf4 25. Rd1 Qe8 26. Qxa6 Rxd1+ 27. Nxd1 Bxa6 28. Bxa6+ Kd8 0-1

