[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.29"]
[Round "9"]
[White "Rubtsov, Aleksandr"]
[Black "Kobozev, Aleksandr"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1895"]
[BlackElo "1554"]
[PlyCount "107"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qe7 8. Qxe7+ Ngxe7 9. Nc3 Nb4 10. Bd3 d5 11. Bg5 f6 12. Bd2 Be6 13. Ke2 Rd8 14. Na4 Nxd3 15. cxd3 dxe4 16. dxe4 Bc4+ 17. Ke1 Nc6 18. b3 Bb5 19. Nc3 Bd3 20. f3 Kf7 21. Be3 Nb4 22. Kf2 Rc8 23. Nd5 Rc2+ 24. Kg3 Nxa2 25. Rhd1 f5 26. Rxd3 f4+ 27. Nxf4 exf4+ 28. Bxf4 Nc3 29. Rd2 Rxd2 30. Bxd2 Ne2+ 31. Kf2 Nd4 32. Be3 Nxb3 33. Rb1 Na5 34. Bd2 Nc4 35. Rxb7+ Ke6 36. Bc3 Rd8 37. Rb4 Nd6 38. Bxg7 a5 39. Ra4 Nb7 40. Bd4 Kd6 41. f4 Nc5 42. e5+ Kd5 43. Bxc5 Kxc5 44. e6 Rf8 45. e7 Re8 46. Rxa5+ Kd6 47. Re5 Rxe7 48. Rxe7 Kxe7 49. Ke3 Kf6 50. g4 h6 51. Ke4 Kg6 52. Ke5 h5 53. gxh5+ Kxh5 54. Ke6 1-0

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.28"]
[Round "8"]
[White "Kobozev, Aleksandr"]
[Black "Vorobyova, Valeriya"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1554"]
[BlackElo "1945"]
[PlyCount "48"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 e6 5. d4 cxd4 6. cxd4 d6 7. Bc4 Nb6 8. Bd3 Be7 9. 0-0 Nc6 10. a3 Bd7 11. Nc3 Na5 12. b3 Bc6 13. Nd2 dxe5 14. b4 Qxd4 15. Nb5 Bxb5 16. Bxb5+ Nc6 17. Qc2 Rc8 18. Bb2 Qd5 19. Bc4 Nxc4 20. Nxc4 Nd4 21. Qa4+ b5 22. Qa6 Rxc4 23. Rac1 Ne2+ 24. Kh1 Nxc1 0-1

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.27"]
[Round "7"]
[White "Shkuratov, Vladimir"]
[Black "Kobozev, Aleksandr"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "1887"]
[BlackElo "1554"]
[PlyCount "115"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. N5c3 Nf6 7. g3 Bc5 8. Bg2 h6 9. 0-0 d6 10. Nd5 b5 11. a4 b4 12. h3 a5 13. Be3 Nd4 14. Nd2 Nxd5 15. exd5 0-0 16. Ne4 Ba6 17. Re1 Bb6 18. c3 Nf5 19. Bxb6 Qxb6 20. Qg4 Bc8 21. Qf3 Ne7 22. Rad1 Ba6 23. cxb4 axb4 24. Qe3 Qxe3 25. Rxe3 Nf5 26. Ree1 Rfd8 27. Rc1 Nd4 28. Kh2 f5 29. Nd2 Rac8 30. b3 e4 31. g4 g6 32. gxf5 gxf5 33. h4 Rc3 34. Bf1 Bxf1 35. Rxf1 Rdc8 36. Rb1 R8c5 37. Nc4 Rxd5 38. a5 Nxb3 39. a6 Rxc4 40. Rxb3 Ra5 41. Rfb1 Rxa6 42. Rxb4 Rxb4 43. Rxb4 d5 44. Rd4 Rd6 45. Kg3 Kf7 46. Kf4 Kf6 47. Rb4 d4 48. Rb2 d3 49. Rd2 Rd4 50. h5 Rc4 51. Ra2 Rc2 52. Ra6+ Kg7 53. Ke3 Re2+ 54. Kf4 Rxf2+ 55. Ke5 e3 56. Ra7+ Kf8 57. Ke6 e2 58. Ra8+ 1/2-1/2

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.26"]
[Round "6"]
[White "Kobozev, Aleksandr"]
[Black "Yudkevich, Mikhail"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1554"]
[BlackElo "2005"]
[PlyCount "60"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 a6 5. a4 b6 6. Be2 Nd7 7. Be3 e6 8. Qd2 h6 9. 0-0 Bb7 10. Ne1 Ne7 11. f4 Nf6 12. e5 Ne4 13. Nxe4 Bxe4 14. Bf3 Bxf3 15. Nxf3 d5 16. b4 Nc6 17. b5 Na5 18. Qd3 0-0 19. Bf2 Qd7 20. Rfb1 Nc4 21. Qb3 Ra7 22. Qc3 Rfa8 23. Bh4 axb5 24. axb5 Rxa1 25. Rxa1 Rxa1+ 26. Qxa1 Qxb5 27. Qa8+ Kh7 28. h3 Ne3 29. Bf6 Qf1+ 30. Kh2 Qxg2# 0-1

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.25"]
[Round "5"]
[White "Kobozev, Aleksandr"]
[Black "Zyrianov, Leonid"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "1554"]
[BlackElo "1873"]
[PlyCount "63"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 Bxf3 7. Qxf3 Qf6 8. Qe3 Bd6 9. c3 c5 10. d3 Ne7 11. Nd2 h6 12. Nb3 b6 13. d4 cxd4 14. cxd4 g5 15. Bd2 exd4 16. Nxd4 Bf4 17. Qf3 Qxd4 18. Bc3 Qd6 19. Bxh8 0-0-0 20. Rad1 Qe6 21. Rxd8+ Kxd8 22. Rd1+ Kc8 23. e5 Nc6 24. g3 g4 25. Qxf4 gxh3 26. Qe4 f5 27. Qd5 Qe8 28. e6 Nb8 29. Bf6 Qg6 30. e7 f4 31. Qd8+ Kb7 32. e8Q 1-0

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.24"]
[Round "4"]
[White "Gordon, Evgeny"]
[Black "Kobozev, Aleksandr"]
[Result "1-0"]
[ECO "D28"]
[WhiteElo "1990"]
[BlackElo "1554"]
[PlyCount "95"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. 0-0 Be7 7. Qe2 a6 8. a4 0-0 9. dxc5 Bxc5 10. b3 b6 11. Rd1 Qc7 12. Bb2 Nbd7 13. Nbd2 Bb7 14. Rac1 Qd8 15. Nf1 Qe7 16. Ng3 Ba3 17. Bd3 Bxb2 18. Qxb2 Nc5 19. Bc2 Rfd8 20. Qb1 a5 21. Nd4 h6 22. Qb2 Nfe4 23. Nxe4 Nxe4 24. Qb1 Nd6 25. Bd3 Qg5 26. Nc6 Rac8 27. h4 Qg4 28. f3 Qg3 29. Nxd8 Rxd8 30. Be2 Rf8 31. e4 f5 32. Qd3 Nf7 33. Qd7 Bc8 34. Qc7 Ne5 35. Rd8 Ba6 36. Rxf8+ Kxf8 37. Qd8+ Kf7 38. Qd2 Bxe2 39. Qxe2 Qxh4 40. exf5 Qd4+ 41. Kf1 exf5 42. Rd1 Qf4 43. Re1 Kf6 44. Qe3 Qh2 45. Qxb6+ Kg5 46. Qg1 Qxg1+ 47. Kxg1 Kf4 48. g3+ 1-0

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.23"]
[Round "3"]
[White "Krasovskiy, Sviatoslav"]
[Black "Kobozev, Aleksandr"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2128"]
[BlackElo "1554"]
[PlyCount "87"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 0-0 5. Nf3 Nc6 6. 0-0 d6 7. d3 h6 8. Bd2 a5 9. a3 Bc5 10. Rb1 Re8 11. Na4 e4 12. dxe4 Nxe4 13. Nxc5 dxc5 14. Be3 Qe7 15. Nd2 Bf5 16. Nxe4 Bxe4 17. Bxe4 Qxe4 18. Qd5 Nd4 19. Bxd4 Qxd5 20. cxd5 cxd4 21. Rfd1 Rxe2 22. Rxd4 Rd8 23. b4 axb4 24. Rbxb4 b6 25. Rdc4 Rxd5 26. Rxc7 b5 27. Rf4 f6 28. Rf3 Re4 29. Rb7 Ra4 30. Re3 Rg5 31. Kf1 Kf8 32. Rd3 Kg8 33. h4 Re5 34. Rdd7 Rg4 35. Rb8+ Kh7 36. Kg2 h5 37. Ra7 f5 38. Ra5 Ra4 39. Rba8 Rae4 40. Kf3 f4 41. gxf4 Re6 42. Rxb5 Rc4 43. Rxh5+ Kg6 44. f5+ 1-0

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.22"]
[Round "2"]
[White "Kobozev, Aleksandr"]
[Black "Shavykin, Oleg"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1554"]
[BlackElo "2002"]
[PlyCount "87"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 e6 5. Nf3 a6 6. c4 Nc7 7. d5 d6 8. Bg5 f6 9. exf6 gxf6 10. Bh4 Qe7 11. Be2 Bh6 12. Nc3 0-0 13. 0-0 e5 14. Ne4 Ne8 15. Nfd2 Bf5 16. Bg4 Bg6 17. Ng3 Ng7 18. Nde4 Bg5 19. Bxg5 fxg5 20. Be6+ Kh8 21. Qg4 h6 22. Qe2 Nd7 23. a3 Rf4 24. b4 b6 25. f3 Nf8 26. Bh3 h5 27. Qe3 Nh7 28. Ne2 Rxe4 29. fxe4 g4 30. Bxg4 hxg4 31. Nc3 Qh4 32. bxc5 bxc5 33. Rab1 Ng5 34. Rfe1 Rf8 35. Qg3 Qh5 36. Rb6 Rf4 37. Rxd6 Nxe4 38. Nxe4 Bxe4 39. Rxa6 Nf5 40. Qb3 g3 41. hxg3 Nxg3 42. Qxg3 Rg4 43. Rh6+ Qxh6 44. Qxg4 1-0

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.21"]
[Round "1"]
[White "Davydov, Sergey P"]
[Black "Kobozev, Aleksandr"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2207"]
[BlackElo "1554"]
[PlyCount "45"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 b5 4. a4 c6 5. axb5 cxb5 6. b3 e5 7. bxc4 bxc4 8. Bxc4 Bb4+ 9. Kf1 Qb6 10. Be3 Ne7 11. Nf3 Bg4 12. Bxf7+ Kf8 13. Ba2 Qa6+ 14. Kg1 Qg6 15. h3 Bxf3 16. Qxf3+ Ke8 17. d5 Rf8 18. Qg4 Qa6 19. Kh2 Nd7 20. Qd1 Nc5 21. d6 Ng6 22. Bxc5 Bxc5 23. Bf7+ 1-0

