[Event "Voronezh op-B 20th"]
[Site "Voronezh"]
[Date "2016.06.21"]
[Round "9"]
[White "Kumakov, Ivan"]
[Black "Rozmanov, Aleksandr"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1669"]
[BlackElo "1914"]
[PlyCount "96"]
[EventDate "2016.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. e3 Nf6 4. Bd3 Be7 5. 0-0 0-0 6. Nbd2 b6 7. b3 Bb7 8. Bb2 Nbd7 9. Ne5 Nxe5 10. dxe5 Ne4 11. f4 f5 12. Nf3 Bc5 13. Nd4 Bxd4 14. exd4 c5 15. Ba3 Rc8 16. Rc1 Rf7 17. c3 Rfc7 18. Qe2 g5 19. Bxe4 dxe4 20. dxc5 bxc5 21. Rcd1 Rd7 22. Rxd7 Qxd7 23. Rd1 Qg7 24. Qb5 Bd5 25. c4 Bc6 26. Qxc5 gxf4 27. Qa5 h6 28. Rd8+ Rxd8 29. Qxd8+ Kh7 30. Qe7 e3 31. Qxg7+ Kxg7 32. g3 f3 33. Bc5 e2 34. Kf2 a6 35. Be3 h5 36. h4 Be4 37. c5 Kf7 38. Bd2 Ke7 39. b4 Kd7 40. a4 Kc6 41. a5 Kd5 42. Bc3 Kc4 43. Bd2 Kd3 44. Be1 Kd4 45. Bd2 Bc6 46. Be1 Kd3 47. Kg1 Ke3 48. Bf2+ Kd2 0-1

[Event "Voronezh op-B 20th"]
[Site "Voronezh"]
[Date "2016.06.20"]
[Round "8"]
[White "Krekoten, Vladimir"]
[Black "Kumakov, Ivan"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1747"]
[BlackElo "1669"]
[PlyCount "78"]
[EventDate "2016.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nc6 3. Bf4 Bg4 4. Ne5 Nxe5 5. Bxe5 e6 6. a3 Nf6 7. f3 Bf5 8. Nc3 c6 9. g4 Bg6 10. h4 h5 11. g5 Nd7 12. Bg3 Nb6 13. b3 Bd6 14. f4 Qe7 15. Qc1 0-0-0 16. e3 Bf5 17. Bd3 Bxd3 18. cxd3 Bc7 19. b4 Nd7 20. Na4 a6 21. Rh2 f6 22. Rb2 e5 23. Re2 Rhe8 24. Raa2 Qe6 25. Kf2 Qg4 26. Qh1 exf4 27. Bxf4 Bxf4 28. exf4 Qxf4+ 29. Qf3 Qxh4+ 30. Kf1 Qxg5 31. Rac2 Rxe2 32. Qxe2 Qf4+ 33. Ke1 Qxd4 34. Kd2 Ne5 35. Rc3 h4 36. Nc5 Qg4 37. Qf1 Nf3+ 38. Kc2 h3 39. Kb3 Nd2+ 0-1

[Event "Voronezh op-B 20th"]
[Site "Voronezh"]
[Date "2016.06.19"]
[Round "7"]
[White "Kumakov, Ivan"]
[Black "Agibalov, Roman"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1669"]
[BlackElo "1745"]
[PlyCount "60"]
[EventDate "2016.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 c6 3. Nd2 h6 4. Bf4 Nf6 5. e3 Bf5 6. Ngf3 e6 7. Nb3 Nbd7 8. Bd3 Be4 9. 0-0 c5 10. Bxe4 Nxe4 11. Nbd2 Ndf6 12. Be5 Qb6 13. Nxe4 Nxe4 14. dxc5 Qxc5 15. Bd4 Qb5 16. Nd2 Nd6 17. b3 b6 18. Bb2 Rc8 19. Nf3 Qc5 20. Rc1 b5 21. Ne5 Qb4 22. a3 Qe4 23. Qe2 a6 24. f3 Qh4 25. e4 dxe4 26. fxe4 Be7 27. Rf3 0-0 28. Re1 Bf6 29. Rh3 Qg5 30. Rg3 Qf4 1-0

[Event "Voronezh op-B 20th"]
[Site "Voronezh"]
[Date "2016.06.18"]
[Round "6"]
[White "Kovalyov, Anatoly"]
[Black "Kumakov, Ivan"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1910"]
[BlackElo "1669"]
[PlyCount "63"]
[EventDate "2016.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. e3 e6 5. Nc3 Bb4 6. cxd5 exd5 7. Be2 Nf6 8. Qb3 0-0 9. 0-0 Bxc3 10. bxc3 Na5 11. Qa4 b6 12. Ba3 Re8 13. Bb4 Bd7 14. Qc2 Nc6 15. a4 a5 16. Ba3 Ne4 17. c4 Be6 18. cxd5 Bxd5 19. Bc4 Bxc4 20. Qxc4 Ne7 21. Rab1 Nd5 22. Rfc1 Rc8 23. Qd3 Re6 24. Ne5 Nd6 25. Rc2 Re8 26. Rbc1 Nf6 27. Qb3 Rf8 28. Nc6 Qd7 29. Na7 Rb8 30. Rxc7 Qd8 31. R1c6 Nfe8 32. Nb5 1-0

[Event "Voronezh op-B 20th"]
[Site "Voronezh"]
[Date "2016.06.16"]
[Round "5"]
[White "Kumakov, Ivan"]
[Black "Koshil, Tikhon Stepanovich"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1669"]
[BlackElo "1959"]
[PlyCount "100"]
[EventDate "2016.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. Nd2 Nd6 5. e3 Bf5 6. Ngf3 e6 7. Be2 Be7 8. 0-0 0-0 9. c4 Nd7 10. cxd5 exd5 11. Qb3 Nb6 12. Rac1 a5 13. Bd3 a4 14. Qc2 Bxd3 15. Qxd3 c6 16. a3 Nd7 17. Nb1 Nc4 18. Qe2 Nf6 19. Ne5 Na5 20. Nc3 Nb3 21. Rcd1 Qa5 22. Qc2 Nh5 23. Bg3 g6 24. f4 f6 25. Nf3 Nxg3 26. hxg3 Ra6 27. Kf2 b5 28. Nb1 Qd8 29. Nh4 Kg7 30. Rh1 Re8 31. Nf3 Bd6 32. Rde1 c5 33. Qd3 c4 34. Qc3 Qb6 35. Qc2 b4 36. Nfd2 bxa3 37. bxa3 Qa5 38. Re2 Ra7 39. Rd1 Rae7 40. Rde1 Qa8 41. Nf3 Qc6 42. Nfd2 Qd7 43. Qc3 Qg4 44. Nf1 Bc7 45. Nbd2 Ba5 46. Qc2 Nxd4 47. exd4 Rxe2+ 48. Rxe2 Qxe2+ 49. Kg1 Bxd2 50. Nxd2 Qd3 0-1

[Event "Voronezh op-B 20th"]
[Site "Voronezh"]
[Date "2016.06.15"]
[Round "4"]
[White "Redikultsev, Boris"]
[Black "Kumakov, Ivan"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "1987"]
[BlackElo "1669"]
[PlyCount "107"]
[EventDate "2016.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Nf3 Bg7 7. Qb3 0-0 8. Be2 b6 9. 0-0 dxc4 10. Bxc4 Nc6 11. Qa4 Bb7 12. Be3 Na5 13. Be2 Nd5 14. Rfe1 Nxc3 15. bxc3 Rc8 16. Rac1 Bc6 17. Qa3 Bd5 18. Nd2 e5 19. f4 exd4 20. Bxd4 Bxd4+ 21. cxd4 Re8 22. Bf3 Bxf3 23. Nxf3 Qf6 24. Ne5 Rxc1 25. Qxc1 Qd6 26. Rd1 f6 27. Nc4 Nxc4 28. Qxc4+ Kg7 29. g3 Rd8 30. d5 Rd7 31. Kf2 Rc7 32. Qb3 Qc5+ 33. Kf3 Qd6 34. h3 Kf7 35. a3 Kg7 36. g4 Kf7 37. h4 h6 38. Qd3 Kg7 39. h5 gxh5 40. gxh5 Kf8 41. Rd2 Rg7 42. Qc4 Qd7 43. d6 Qh3+ 44. Ke4 Qh1+ 45. Kd4 Qg1+ 46. Kd5 Qh1+ 47. Qe4 Qxh5+ 48. f5 Qf7+ 49. Kd4 Qd7 50. Qa8+ Kf7 51. Qd5+ Kf8 52. Qa8+ Kf7 53. Qd5+ Kf8 54. Qa8+ 1/2-1/2

[Event "Voronezh op-B 20th"]
[Site "Voronezh"]
[Date "2016.06.14"]
[Round "3"]
[White "Kumakov, Ivan"]
[Black "Tverdokhleb, Aleksandr"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1669"]
[BlackElo "2042"]
[PlyCount "104"]
[EventDate "2016.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 c6 3. e3 Bf5 4. Nd2 h6 5. Bh4 Qb6 6. Nb3 a5 7. Qc1 e5 8. c3 Nd7 9. Be2 a4 10. Nd2 exd4 11. exd4 Bd6 12. Ngf3 Ngf6 13. 0-0 0-0 14. Bg3 Bxg3 15. fxg3 Rfe8 16. Re1 Ne4 17. Nh4 Bh7 18. Bd3 c5 19. Nhf3 cxd4 20. cxd4 Ne5 21. Bxe4 dxe4 22. Nxe4 Bxe4 23. Rxe4 Nxf3+ 24. gxf3 Rxe4 25. fxe4 Qxd4+ 26. Kh1 Qxe4+ 27. Kg1 Qd4+ 28. Kh1 Re8 29. Qc2 a3 30. Rb1 axb2 31. Rxb2 Re1+ 32. Kg2 Rg1+ 33. Kf3 Qd5+ 34. Ke3 Qe5+ 35. Kf3 Qf6+ 36. Ke3 Re1+ 37. Kd2 Qf2+ 38. Kc3 Qe3+ 39. Qd3 Rc1+ 40. Rc2 Qc5+ 41. Kd2 Rxc2+ 42. Qxc2 Qf2+ 43. Kc3 Qc5+ 44. Kd2 Qxc2+ 45. Kxc2 f5 46. Kd2 Kf7 47. Kd3 Ke6 48. h3 g5 49. Ke3 Ke5 50. Kf2 Kd4 51. h4 Kc3 52. hxg5 hxg5 0-1

[Event "Voronezh op-B 20th"]
[Site "Voronezh"]
[Date "2016.06.13"]
[Round "2"]
[White "Moiseev, Danila"]
[Black "Kumakov, Ivan"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2035"]
[BlackElo "1669"]
[PlyCount "101"]
[EventDate "2016.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. g3 Nf6 7. Bf4 Qd8 8. Nd2 g6 9. Qb3 Bg7 10. Ngf3 0-0 11. 0-0 Nh5 12. Be3 f5 13. c4 f4 14. gxf4 Nxf4 15. Bxf4 Rxf4 16. cxd5 Na5 17. Qa3 Bh3 18. Ne1 Rg4+ 19. Kh1 Bxf1 20. Bxf1 Rxd4 21. Ndf3 Rxd5 22. Rc1 Kh8 23. b4 Nc6 24. Bc4 Rf5 25. Be6 Rh5 26. Rc5 Rxc5 27. bxc5 Ne5 28. Ng5 Bf6 29. Qg3 Bxg5 30. Qxg5 Qd4 31. h4 Qe4+ 32. Kh2 Rf8 33. Kg3 Nd3 34. Nxd3 Qxd3+ 35. Qe3 Qxe3+ 36. fxe3 Kg7 37. Bd5 Rc8 38. e4 Rxc5 39. Bxb7 Kf6 40. Kf4 h6 41. Ba6 e5+ 42. Kf3 Rc2 43. a4 Rc3+ 44. Kg2 Re3 45. Bb7 a5 46. Bd5 g5 47. hxg5+ Kxg5 48. Bc6 Rxe4 49. Be8 Rd4 50. Kf2 Rd2+ 51. Ke1 0-1

[Event "Voronezh op-B 20th"]
[Site "Voronezh"]
[Date "2016.06.12"]
[Round "1"]
[White "Kumakov, Ivan"]
[Black "Lilov, Aleksandr"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1669"]
[BlackElo "2006"]
[PlyCount "76"]
[EventDate "2016.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 c5 2. d5 g6 3. Nf3 Bg7 4. c4 f5 5. Nc3 Bxc3+ 6. bxc3 Nf6 7. e3 Qa5 8. Qc2 d6 9. Bd3 b5 10. 0-0 bxc4 11. Bxc4 Nbd7 12. Bb3 c4 13. Bxc4 Nb6 14. Bb3 Nbxd5 15. Bb2 Nb6 16. c4 Rf8 17. Nd4 Qc5 18. a4 Bd7 19. a5 Nc8 20. Ba4 Kf7 21. Bxd7 Nxd7 22. Nf3 h6 23. e4 Ke8 24. Bg7 Rg8 25. Bxh6 Ne5 26. Qa4+ Kd8 27. Nxe5 Qxe5 28. f4 Qxe4 29. Rfe1 Qd4+ 30. Kh1 Rb8 31. Rad1 Qc5 32. Rb1 Qf2 33. Qd1 Rxb1 34. Qxb1 Rh8 35. Bg5 Qg3 36. h3 Rxh3+ 37. gxh3 Qxh3+ 38. Kg1 Qg3+ 1/2-1/2

[Event "Voronezh op-B 19th"]
[Site "Voronezh"]
[Date "2015.06.21"]
[Round "9"]
[White "Kumakov, Ivan"]
[Black "Kosykh, Nikolay"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1650"]
[PlyCount "112"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 g6 3. Nd2 Bg7 4. e3 Nf6 5. Ngf3 Bg4 6. Bd3 Nbd7 7. h3 Bxf3 8. Nxf3 c6 9. c3 a5 10. 0-0 0-0 11. c4 dxc4 12. Bxc4 Nb6 13. Bd3 Qd5 14. Qc2 Rfe8 15. Bh4 Nfd7 16. Rad1 Qd6 17. Bg3 Qb4 18. Ng5 e6 19. Ne4 Bf8 20. f3 f5 21. Nd2 Bh6 22. f4 Bg7 23. Nb3 Bf8 24. Qe2 a4 25. Be1 Qe7 26. Na5 Nf6 27. Nc4 Nxc4 28. Bxc4 Qd7 29. Bd3 Rac8 30. Bc3 Kg7 31. e4 Kg8 32. exf5 exf5 33. Qc2 Nd5 34. Bc4 b5 35. Bxd5+ Qxd5 36. a3 Re4 37. Rde1 Rce8 38. Qd2 Qc4 39. Rxe4 Rxe4 40. Rd1 Bd6 41. Rf1 Qe6 42. Rf2 Qd5 43. Rf1 h6 44. Rf3 Kh7 45. Rf1 Be7 46. Re1 Bh4 47. Rf1 Bg3 48. Rf3 Re1+ 49. Rf1 Rxf1+ 50. Kxf1 Qe4 51. Kg1 Bxf4 52. Qd1 g5 53. Kh1 Kg6 54. b3 Qe3 55. Qc2 axb3 56. Qb2 Qc1+ 0-1

[Event "Voronezh op-B 19th"]
[Site "Voronezh"]
[Date "2015.06.20"]
[Round "8"]
[White "Kabludenko, Mikhail"]
[Black "Kumakov, Ivan"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1337"]
[BlackElo "1650"]
[PlyCount "93"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 g6 5. c3 Bg7 6. Nf3 Nf6 7. h3 0-0 8. 0-0 Qc7 9. Re1 Nc6 10. Bg5 e6 11. Nbd2 Re8 12. Qc2 b6 13. Rac1 Bb7 14. Bh4 Rac8 15. Bg3 Qe7 16. Qa4 a6 17. Qb3 b5 18. Bh2 Na5 19. Qb4 Qd8 20. Qd6 Nd7 21. b3 Bf8 22. Qg3 Nb6 23. Qg4 Bg7 24. Bf4 Nd7 25. Bg5 Qb6 26. Qh4 Nc6 27. Bh6 Nf6 28. Bxg7 Kxg7 29. Qf4 h5 30. Ne5 Nxe5 31. dxe5 Nd7 32. Nf3 Qd8 33. Ng5 Qe7 34. c4 dxc4 35. bxc4 bxc4 36. Bxc4 Rc5 37. Bb3 Rec8 38. Rxc5 Rxc5 39. Kh2 Bd5 40. Bxd5 Rxd5 41. Re2 Nf8 42. Rc2 Nh7 43. Nxh7 Kxh7 44. Qe3 Qb7 45. Qc3 Kg7 46. Rb2 Qd7 47. Qg3 1/2-1/2

[Event "Voronezh op-B 19th"]
[Site "Voronezh"]
[Date "2015.06.19"]
[Round "7"]
[White "Kumakov, Ivan"]
[Black "Kornilov, Peter"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1650"]
[BlackElo "2043"]
[PlyCount "64"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 d6 5. 0-0 Nf6 6. Qe2 e5 7. c3 Bg4 8. d3 Be7 9. Be3 0-0 10. Qc2 Rc8 11. Nfd2 Nd4 12. Bxd4 cxd4 13. c4 b5 14. Qb3 bxc4 15. Nxc4 Be6 16. Nbd2 Nd7 17. Qd1 Nc5 18. Qe2 f5 19. f3 a5 20. b3 Bf6 21. Bh3 g6 22. exf5 gxf5 23. f4 e4 24. dxe4 d3 25. Qh5 Bxa1 26. Rxa1 Qf6 27. Re1 Nxe4 28. Nxe4 fxe4 29. f5 Bxc4 30. bxc4 Rxc4 31. g4 d2 32. Rd1 Rc1 0-1

[Event "Voronezh op-B 19th"]
[Site "Voronezh"]
[Date "2015.06.18"]
[Round "6"]
[White "Kumakov, Ivan"]
[Black "Mochalin, Faddey"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1650"]
[BlackElo "1827"]
[PlyCount "110"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Bb4 7. Bd3 d5 8. Bb5 Bd7 9. exd5 Nxd5 10. Nde2 Qa5 11. Bxc6 Bxc6 12. Bd2 Qc7 13. 0-0 Bd6 14. h3 Nxc3 15. Bxc3 0-0-0 16. Qe1 Rhg8 17. a4 g5 18. Bf6 g4 19. h4 Be7 20. Bxe7 Qxe7 21. g3 Qc5 22. Kh2 Qxc2 23. b4 Kb8 24. b5 Bd5 25. Nf4 Qf5 26. Rc1 Rc8 27. Nxd5 Qxd5 28. Qe3 Rxc1 29. Rxc1 Qd6 30. a5 Rd8 31. Qc3 f5 32. Qc4 e5 33. a6 b6 34. Qf7 Qd7 35. Qf6 Re8 36. Qh6 Rd8 37. Qf6 Re8 38. Qh6 Rc8 39. Rc6 Rxc6 40. bxc6 Qe7 41. Qd2 Kc7 42. Qd3 f4 43. gxf4 exf4 44. Qc4 Qxh4+ 45. Kg1 Qf6 46. Qd5 Qxc6 47. Qf7+ Qd7 48. Qxf4+ Kc6 49. Qc4+ Kd6 50. Qd4+ Kc7 51. Qf4+ Qd6 52. Qxg4 Qg6 53. Qxg6 hxg6 54. Kf1 b5 55. Ke2 Kb6 0-1

[Event "Voronezh op-B 19th"]
[Site "Voronezh"]
[Date "2015.06.16"]
[Round "5"]
[White "Maltsevskiy, Nikolay"]
[Black "Kumakov, Ivan"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "1915"]
[BlackElo "1650"]
[PlyCount "68"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 Bf5 5. cxd5 Nxd5 6. e3 e6 7. Bd3 Bxd3 8. Qxd3 Bd6 9. 0-0 0-0 10. Nxd5 exd5 11. Rb1 Nd7 12. b4 Nb6 13. b5 Rc8 14. Ba3 Re8 15. Bxd6 Qxd6 16. bxc6 Rxc6 17. Ne5 Rc7 18. h3 f6 19. Ng4 Rcc8 20. Qf5 Nc4 21. Rxb7 Nb6 22. Rc7 Rxc7 23. h4 Nd7 24. h5 h6 25. Qg6 Kh8 26. g3 Qe6 27. Nh2 Nf8 28. Qg4 f5 29. Qf4 Rcc8 30. Nf3 Nd7 31. Nh4 Nf6 32. Qxf5 Qxf5 33. Nxf5 Rc2 34. Rb1 Rxa2 1-0

[Event "Voronezh op-B 19th"]
[Site "Voronezh"]
[Date "2015.06.15"]
[Round "4"]
[White "Kumakov, Ivan"]
[Black "Yashmetov, Nikolay"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "1650"]
[BlackElo "1884"]
[PlyCount "81"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nf6 6. Qe2 Nc6 7. c3 e6 8. Rd1 Be7 9. d4 cxd4 10. cxd4 d5 11. Nc3 dxe4 12. Nxe4 Nxe4 13. Qxe4 Qd5 14. Qxd5 exd5 15. Bf4 0-0 16. Rdc1 Rfe8 17. Be3 Bd6 18. Rc3 f6 19. Rb3 Re7 20. Rb5 Rd8 21. Rb3 Rdd7 22. g3 a6 23. Rc3 Re4 24. Nd2 Re8 25. Nb3 Ree7 26. a3 Kf7 27. Rd3 Rc7 28. Rc3 Re8 29. Rac1 Rce7 30. Nd2 Bb8 31. b4 Ba7 32. Nb3 g5 33. Rd1 h6 34. Kf1 Rd8 35. Rcd3 f5 36. h3 Kf6 37. Nc5 Kg6 38. Nb3 Rf8 39. Bc1 Rfe8 40. Be3 Rd8 41. Bc1 1/2-1/2

[Event "Voronezh op-B 19th"]
[Site "Voronezh"]
[Date "2015.06.14"]
[Round "3"]
[White "Filippov, Ivan"]
[Black "Kumakov, Ivan"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2022"]
[BlackElo "1650"]
[PlyCount "109"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 0-0 5. a3 Be7 6. e4 d5 7. e5 Nfd7 8. c5 f6 9. b4 fxe5 10. dxe5 b6 11. cxb6 cxb6 12. Bd3 Nc6 13. Bb2 Bb7 14. 0-0 Bg5 15. Qe2 Bxd2 16. Nxd2 Qe7 17. Rac1 Rac8 18. f4 g6 19. Qg4 Qe8 20. Nf3 Rf7 21. Ng5 Re7 22. Qh3 Nf8 23. Rc2 Nd8 24. Rfc1 Nf7 25. Nf3 Rxc2 26. Rxc2 Nd8 27. Nd4 Qf7 28. Qe3 Qg7 29. Nb5 Ba6 30. Nd4 Bxd3 31. Qxd3 Nf7 32. g3 Nh6 33. Rc8 Qf7 34. Kg2 Re8 35. Rc6 Re7 36. Bc1 Qg7 37. Nf3 Nf7 38. Qa6 Nd8 39. Rc8 Rd7 40. Nd4 Qe7 41. Bd2 Rc7 42. Nb5 Rd7 43. Qa4 Nf7 44. Qc2 Nd8 45. Nd4 Rb7 46. a4 Rd7 47. Qc3 Rb7 48. Bc1 Rd7 49. Ba3 Qf7 50. b5 Kg7 51. Bd6 h6 52. Nc6 Qe8 53. Qa3 Nh7 54. Be7 Qf7 55. Bxd8 1-0

[Event "Voronezh op-B 19th"]
[Site "Voronezh"]
[Date "2015.06.13"]
[Round "2"]
[White "Kumakov, Ivan"]
[Black "Sitnikov, Sergey V"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "1650"]
[BlackElo "1995"]
[PlyCount "90"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. Nf3 c5 5. e3 Nc6 6. c3 e6 7. Nbd2 Nxd2 8. Nxd2 cxd4 9. exd4 Bd6 10. Bxd6 Qxd6 11. Bd3 e5 12. dxe5 Qxe5+ 13. Qe2 Qxe2+ 14. Bxe2 d4 15. Bb5 dxc3 16. Bxc6+ bxc6 17. bxc3 Be6 18. 0-0 Ke7 19. Nf3 Rhb8 20. Nd4 Rb6 21. Rfe1 c5 22. Nxe6 Rxe6 23. Rxe6+ fxe6 24. Rb1 Rd8 25. Kf1 Rd3 26. Rb3 Kd6 27. Ke2 c4 28. Ra3 h5 29. Rxa7 Rxc3 30. Kd2 Rd3+ 31. Kc2 g5 32. Ra8 Ke5 33. Rc8 Rd4 34. Rc5+ Kf6 35. Rb5 Rf4 36. f3 e5 37. Rb6+ Kf7 38. Rb5 Kf6 39. Rb6+ Kf7 40. Rh6 e4 41. fxe4 Rxe4 42. Rxh5 Kg6 43. Rh8 Re2+ 44. Kc3 Rxa2 45. Kxc4 Rxg2 1/2-1/2

[Event "Voronezh op-B 19th"]
[Site "Voronezh"]
[Date "2015.06.12"]
[Round "1"]
[White "Korzhukov, Andrey"]
[Black "Kumakov, Ivan"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1993"]
[BlackElo "1650"]
[PlyCount "146"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 0-0 6. e4 d5 7. Bd3 Nc6 8. e5 Nd7 9. c5 f6 10. exf6 Qxf6 11. Nb3 e5 12. dxe5 Ndxe5 13. Be2 d4 14. 0-0 d3 15. Bxd3 Rd8 16. Nxe5 Nxe5 17. Bxh7+ Kxh7 18. Qh5+ Kg8 19. Rae1 Ng6 20. Re3 Qf5 21. Qe2 Bd7 22. Rf3 Qg4 23. h3 Qe6 24. Re3 Qc6 25. Qc4+ Kh8 26. Nd4 Qa4 27. Qd5 Bc6 28. Qh5+ Kg8 29. Nf5 Be8 30. Rg3 Qc6 31. Rxg6 Bxg6 32. Ne7+ Kf7 33. Nxc6 Bxh5 34. Nxd8+ Rxd8 35. g4 Bg6 36. f4 Be4 37. Re1 Bc6 38. Re2 Rd1+ 39. Kf2 Rh1 40. Kg3 Rc1 41. g5 Rxc5 42. h4 Rd5 43. h5 Rd3+ 44. Kh4 Bd7 45. Rh2 Rf3 46. h6 Rxf4+ 47. Kg3 Rg4+ 48. Kf3 gxh6 49. gxh6 Rg8 50. Kf4 Kf6 51. Rc2 Bc6 52. Rc5 Rh8 53. Rf5+ Kg6 54. Rg5+ Kxh6 55. Rg3 Rf8+ 56. Ke5 Rf3 57. Rg4 Kh5 58. Rg8 Rf2 59. b4 Rg2 60. Rh8+ Kg6 61. a4 Re2+ 62. Kd4 Bxa4 63. Rc8 Re7 64. Rd8 a6 65. Rb8 Bc6 66. Rc8 Kf6 67. Kc5 Ke6 68. Rd8 Kf7 69. Rd2 Re5+ 70. Kc4 Re4+ 71. Kc5 Ke6 72. Rf2 Bb5 73. Rf4 b6# 0-1

[Event "Voronezh Winter Rating op"]
[Site "Voronezh"]
[Date "2015.01.31"]
[Round "9"]
[White "Malikov, Sergey Konstantinov"]
[Black "Kumakov, Ivan"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "1869"]
[BlackElo "1664"]
[PlyCount "87"]
[EventDate "2015.01.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 e5 4. d3 c6 5. f4 d6 6. Nf3 Nbd7 7. h3 Nh5 8. Ne2 exf4 9. Bxf4 Nxf4 10. Nxf4 Ne5 11. d4 Nxf3+ 12. Qxf3 Be7 13. Kf2 0-0 14. g4 Qb6 15. Qc3 Bf6 16. Rd1 Bh4+ 17. Kf3 Qc7 18. Bd3 Qe7 19. Rdf1 Bg5 20. Kg2 Bxf4 21. Rxf4 Qg5 22. Qd2 Qe7 23. Qf2 Be6 24. d5 cxd5 25. exd5 Bd7 26. Re1 Qg5 27. h4 Qd8 28. Kg3 f6 29. Qd4 Be8 30. h5 Rc8 31. Qe4 g6 32. hxg6 Bxg6 33. Qe6+ Kg7 34. Qe7+ Qxe7 35. Rxe7+ Rf7 36. Rxf7+ Kxf7 37. Be2 Re8 38. Bf3 Re5 39. Rd4 h5 40. b4 hxg4 41. Bxg4 Re4 42. Be6+ Ke7 43. Rxe4 Bxe4 44. c5 1-0

[Event "Voronezh Winter Rating op"]
[Site "Voronezh"]
[Date "2015.01.29"]
[Round "8"]
[White "Kumakov, Ivan"]
[Black "Bezrukov, Igor"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1664"]
[BlackElo "1672"]
[PlyCount "27"]
[EventDate "2015.01.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 0-0 8. 0-0 h6 9. e5 Nd5 10. Nxd5 cxd5 11. Qg4 Qe7 12. Bxh6 f6 13. exf6 Rxf6 14. Bg5 1-0

[Event "Voronezh Winter Rating op"]
[Site "Voronezh"]
[Date "2015.01.24"]
[Round "5"]
[White "Golyshkina, Marina"]
[Black "Kumakov, Ivan"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "1732"]
[BlackElo "1664"]
[PlyCount "100"]
[EventDate "2015.01.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 c5 5. Nc3 Nc6 6. dxc5 Bxc5 7. cxd5 exd5 8. Be2 0-0 9. 0-0 Be6 10. b3 Qc7 11. Bb2 Rad8 12. Rc1 Qe7 13. Qc2 Nb4 14. Qd1 Ne4 15. a3 Nc6 16. b4 Bb6 17. b5 Na5 18. Qa4 Nc5 19. Qb4 Nab3 20. Rcd1 Ba5 21. Qf4 Bc7 22. Qb4 f5 23. Nd2 Ba5 24. Qf4 Nxd2 25. Rxd2 Ne4 26. Rc2 Bc7 27. Nxd5 Rxd5 28. Rxc7 Rd7 29. Rfc1 Rfd8 30. Rxd7 Rxd7 31. Qb8+ Rd8 32. Qe5 Nf6 33. Bc4 Rd6 34. Bxe6+ Qxe6 35. Qxe6+ Rxe6 36. Rc8+ Kf7 37. Rc7+ Re7 38. Rxe7+ Kxe7 39. Kf1 Ne8 40. Ke2 Kd6 41. Bd4 b6 42. Kd3 Kd5 43. a4 g6 44. f3 Nd6 45. Bf6 Nb7 46. Be7 Ke6 47. Bf8 Kd5 48. e4+ fxe4+ 49. fxe4+ Ke5 50. Bg7+ Ke6 0-1

[Event "Voronezh Winter Rating op"]
[Site "Voronezh"]
[Date "2015.01.22"]
[Round "4"]
[White "Kumakov, Ivan"]
[Black "Korpusenko, Evgeny"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1664"]
[BlackElo "1860"]
[PlyCount "64"]
[EventDate "2015.01.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nd2 c5 4. e3 d5 5. c3 Nc6 6. Bd3 b6 7. f4 Be7 8. Ngf3 0-0 9. 0-0 a5 10. Qe2 Nd7 11. Bxe7 Qxe7 12. e4 Bb7 13. e5 cxd4 14. Bxh7+ Kxh7 15. Ng5+ Kg6 16. Qd3+ f5 17. exf6+ Kxf6 18. Nh7+ Kf7 19. Nxf8 Rxf8 20. Nf3 Nc5 21. Ng5+ Ke8 22. Qg6+ Kd7 23. Rad1 Rf6 24. Qh5 d3 25. a3 Kc7 26. b4 axb4 27. axb4 Ne4 28. Rxd3 Ba6 29. Rfd1 Bxd3 30. Nxe4 Bxe4 31. b5 Qc5+ 32. Kh1 Rg6 0-1

[Event "Voronezh Winter Rating op"]
[Site "Voronezh"]
[Date "2015.01.20"]
[Round "3"]
[White "Soroka, Artur"]
[Black "Kumakov, Ivan"]
[Result "0-1"]
[ECO "C65"]
[BlackElo "1664"]
[PlyCount "48"]
[EventDate "2015.01.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Bxc6 dxc6 5. Nc3 Bg4 6. d3 Bd6 7. h3 Bh5 8. a3 Qe7 9. 0-0 h6 10. Re1 0-0-0 11. Be3 a6 12. Qe2 g5 13. b4 g4 14. hxg4 Bxg4 15. Na4 Nd7 16. c4 Qf6 17. Bd2 Rhg8 18. Kf1 Qg7 19. Qe3 h5 20. Nb2 f5 21. a4 fxe4 22. dxe4 Rdf8 23. Nh2 Be6 24. g3 h4 0-1

[Event "Voronezh Winter Rating op"]
[Site "Voronezh"]
[Date "2015.01.18"]
[Round "2"]
[White "Kumakov, Ivan"]
[Black "Belov, Yury"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1664"]
[BlackElo "1708"]
[PlyCount "73"]
[EventDate "2015.01.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 e6 2. e4 c5 3. Nf3 Be7 4. Be3 b6 5. d5 d6 6. c4 e5 7. Be2 Nf6 8. Nc3 0-0 9. 0-0 h6 10. a3 Nh7 11. b4 Ng5 12. Nxg5 Bxg5 13. f4 exf4 14. Bxf4 Bf6 15. Rc1 Bd4+ 16. Kh1 a6 17. Rf3 Bg4 18. Rg3 Bxe2 19. Qxe2 Qf6 20. Qg4 Nd7 21. Ne2 Ne5 22. Bxe5 Bxe5 23. Rh3 cxb4 24. axb4 Rac8 25. Ng1 b5 26. c5 dxc5 27. bxc5 Bd4 28. Ne2 Rxc5 29. Rd1 Be5 30. Ng3 Rfc8 31. Nf5 Qg5 32. Qe2 Rc1 33. Rhd3 R8c2 34. Qf3 g6 35. Ne3 Rc8 36. d6 Rxd1+ 37. Rxd1 1/2-1/2

[Event "Voronezh Winter Rating op"]
[Site "Voronezh"]
[Date "2015.01.17"]
[Round "1"]
[White "Dmitriev, Dmitry"]
[Black "Kumakov, Ivan"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "1923"]
[BlackElo "1664"]
[PlyCount "47"]
[EventDate "2015.01.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 g6 3. Nc3 Bg7 4. Nf3 d5 5. h3 e6 6. Be2 Ne7 7. 0-0 0-0 8. Bf4 Nd7 9. Qd2 dxe4 10. Nxe4 Nf5 11. Rad1 Qb6 12. c3 c5 13. g4 Ne7 14. dxc5 Qc6 15. Nd4 Bxd4 16. Qxd4 f6 17. Bd6 Rf7 18. Bc4 Nb8 19. Nxf6+ Kf8 20. Nd7+ Kg8 21. Ne5 Qe8 22. Nxf7 Qxf7 23. Bxe7 Qxe7 24. Qd8+ 1-0

