[Event "URS-ch31 Semifinal"]
[Site "Almaty"]
[Date "1963.??.??"]
[Round "?"]
[White "Khodos, German L"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "1/2-1/2"]
[ECO "A54"]
[PlyCount "25"]
[EventDate "1963.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 e4 5. Ng5 Bf5 6. f3 exf3 7. gxf3 h6 8. Nh3 Qc8 9. Nf2 Nc6 10. e4 Bd7 11. Be3 g6 12. Qd2 Bg7 13. 0-0-0 1/2-1/2

[Event "URS-ch31 Semifinal"]
[Site "Almaty"]
[Date "1963.??.??"]
[Round "?"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Katalymov, Boris N"]
[Result "0-1"]
[ECO "B27"]
[PlyCount "46"]
[EventDate "1963.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 b6 3. d4 cxd4 4. Nxd4 Bb7 5. Nc3 Nc6 6. Be3 Nf6 7. f3 e6 8. Qd2 a6 9. Be2 Qc7 10. Nb3 Bb4 11. a3 Bxc3 12. Qxc3 d5 13. Bg5 dxe4 14. Bxf6 gxf6 15. Qxf6 Rg8 16. fxe4 Rxg2 17. Rf1 Ne5 18. Nd4 Bxe4 19. Bh5 Bxc2 20. Qxe6+ Kf8 21. Be2 Rd8 22. Qh6+ Kg8 23. Qd2 Nd3+ 0-1

[Event "URS-ch31 Semifinal"]
[Site "Almaty"]
[Date "1963.??.??"]
[Round "?"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Vasilchuk, Yury"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "55"]
[EventDate "1963.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 b6 3. d4 cxd4 4. Nxd4 Bb7 5. Nc3 g6 6. Bc4 Bg7 7. 0-0 Nc6 8. Be3 Na5 9. Bd3 Rc8 10. Qe2 Nc6 11. Nxc6 dxc6 12. f4 Nf6 13. Rad1 Qc7 14. e5 Nd5 15. Nxd5 cxd5 16. Bb5+ Kf8 17. c3 Kg8 18. Bd4 e6 19. g4 h5 20. f5 hxg4 21. fxe6 fxe6 22. Qxg4 Qe7 23. Rf6 Bxf6 24. exf6 Qf7 25. Bd7 Rc6 26. Re1 Qxd7 27. Qxg6+ Kf8 28. Qg7+ 1-0

[Event "URS-ch30 Semifinal"]
[Site "Novosibirsk"]
[Date "1962.08.??"]
[Round "15"]
[White "Bagirov, Vladimir"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "1-0"]
[ECO "C64"]
[PlyCount "47"]
[EventDate "1962.08.18"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 Nge7 5. Nxe5 Nxe5 6. d4 c6 7. Ba4 Bd6 8. dxe5 Bxe5 9. Nd2 0-0 10. Nc4 Bb8 11. Nd6 Qa5 12. Nxc8 Nxc8 13. Bb3 Qe5 14. g3 Nb6 15. Re1 Re8 16. Qf3 Qe7 17. Bg5 Qf8 18. Rad1 Be5 19. c3 d6 20. Qg4 g6 21. h4 Kh8 22. h5 f5 23. Qh4 gxh5 24. exf5 1-0

[Event "URS-ch30 Semifinal"]
[Site "Novosibirsk"]
[Date "1962.08.??"]
[Round "11"]
[White "Gufeld, Eduard"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "1-0"]
[ECO "E87"]
[PlyCount "103"]
[EventDate "1962.08.18"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 e5 6. d5 Nh5 7. Be3 0-0 8. Qd2 f5 9. exf5 gxf5 10. 0-0-0 Na6 11. Bd3 Nc5 12. Bc2 Qe7 13. Nge2 a5 14. Ng3 Qf7 15. Nxh5 Qxh5 16. Rdg1 Rf7 17. h3 f4 18. Bxc5 dxc5 19. g4 fxg3 20. Rxg3 Kh8 21. Qg2 Bf5 22. Rg1 Bh6+ 23. Kb1 Bxc2+ 24. Kxc2 Qf5+ 25. Ne4 Rff8 26. Qe2 Rad8 27. Qd3 b6 28. Nxc5 Qxd3+ 29. Nxd3 Rf5 30. Kb3 Rdf8 31. Ka4 Be3 32. R1g2 Bd4 33. Ne1 Rh5 34. Kb5 Bc5 35. Re2 Rg8 36. Rxg8+ Kxg8 37. Nd3 Bd6 38. Nf2 Kf8 39. Kc6 Ke7 40. f4 Kd8 41. Ne4 exf4 42. Nxd6 cxd6 43. Rf2 Rxh3 44. Rxf4 a4 45. Kxd6 Rh6+ 46. Ke5 Rh2 47. Ke6 Ke8 48. d6 Re2+ 49. Kd5 Rxb2 50. Kc6 Rd2 51. Kc7 a3 52. Re4+ 1-0

[Event "URS-ch30 Semifinal"]
[Site "Novosibirsk"]
[Date "1962.08.??"]
[Round "5"]
[White "Ibrahimov"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "0-1"]
[ECO "B35"]
[PlyCount "112"]
[EventDate "1962.08.18"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Nf6 6. Nc3 Bg7 7. f3 0-0 8. Bc4 Qb6 9. Qd2 Nxe4 10. fxe4 Bxd4 11. Bxd4 Qxd4 12. Qxd4 Nxd4 13. 0-0-0 Nc6 14. Nd5 Kg7 15. Bb5 Rb8 16. h4 a6 17. Be2 b5 18. h5 d6 19. h6+ Kg8 20. g4 Be6 21. Nc7 Bc4 22. Bxc4 bxc4 23. Nd5 f6 24. a3 Rb7 25. c3 Ne5 26. Rhg1 Nd3+ 27. Rxd3 cxd3 28. b4 e6 29. Ne3 Rb5 30. Kd2 Rg5 31. Re1 f5 32. exf5 exf5 33. gxf5 gxf5 34. Kxd3 f4 35. Nd1 Rg3+ 36. Kd4 Rg2 37. a4 Rd2+ 38. Kc4 f3 39. Rg1+ Kh8 40. Rf1 f2 41. Ne3 Rf4+ 42. Kb3 Rf3 43. Ng4 Rf4 44. Ne3 Kg8 45. b5 axb5 46. axb5 Re2 47. Nd1 d5 48. b6 Rf6 49. b7 Rb6+ 50. Ka3 Re1 51. Rxf2 Rxd1 52. Rg2+ Kf8 53. Rf2+ Ke8 54. Re2+ Kd7 55. Ka2 Rxb7 56. Rg2 Kc6 0-1

[Event "URS-ch30 Semifinal"]
[Site "Novosibirsk"]
[Date "1962.08.??"]
[Round "7"]
[White "Khodos, German L"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "1-0"]
[ECO "E88"]
[PlyCount "81"]
[EventDate "1962.08.18"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Be3 d6 6. f3 c6 7. Qd2 e5 8. d5 cxd5 9. cxd5 a6 10. Bd3 b5 11. Nge2 Nbd7 12. b4 Nb6 13. a4 Nc4 14. Bxc4 bxc4 15. 0-0 Ne8 16. b5 f5 17. bxa6 Bxa6 18. Nb5 Nf6 19. Nec3 Rf7 20. Qe2 f4 21. Bf2 Rc8 22. Na7 Ra8 23. Nc6 Qe8 24. Rfb1 g5 25. Rb6 Bf8 26. Rab1 Rg7 27. Rb8 Rxb8 28. Rxb8 Qg6 29. Nb4 Bb7 30. h3 g4 31. fxg4 h5 32. g5 Qxg5 33. Qf3 Qg6 34. a5 Nh7 35. h4 Nf6 36. a6 Bxa6 37. Nxa6 Ng4 38. Bb6 Qf6 39. Qh3 Kh7 40. Nc7 Ne3 41. Ne8 1-0

[Event "URS-ch30 Semifinal"]
[Site "Novosibirsk"]
[Date "1962.08.??"]
[Round "10"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Gusarov"]
[Result "1-0"]
[ECO "C17"]
[PlyCount "85"]
[EventDate "1962.08.18"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Qg4 Ne7 6. dxc5 Nbc6 7. a3 Bxc3+ 8. bxc3 0-0 9. Nf3 f6 10. exf6 Rxf6 11. Bg5 e5 12. Qh4 Rf7 13. c4 e4 14. cxd5 Qxd5 15. Nd2 Qe5 16. Rb1 h6 17. Be3 Nf5 18. Qxe4 Re7 19. Bc4+ Kh8 20. Qxe5 Nxe5 21. 0-0 Nxc4 22. Nxc4 Rc7 23. Nd6 Kh7 24. Nb5 Rc6 25. Bf4 Be6 26. Nc7 Rc8 27. Nxe6 Rxe6 28. Rxb7 Rxc5 29. Rxa7 Rxc2 30. g3 Ree2 31. Ra5 Kg6 32. h3 Ra2 33. Kg2 Nd4 34. g4 Nc2 35. Bc1 Kf6 36. Kg3 Ke6 37. Rd1 Re1 38. Ra6+ Kf7 39. Rd7+ Re7 40. Raa7 Rxd7 41. Rxd7+ Kf6 42. Rd2 Ke5 43. a4 1-0

[Event "URS-ch30 Semifinal"]
[Site "Novosibirsk"]
[Date "1962.08.??"]
[Round "14"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Krutikhin, Yury Petrovich"]
[Result "1/2-1/2"]
[ECO "B45"]
[PlyCount "125"]
[EventDate "1962.08.18"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 d5 7. Bb5 Bd7 8. exd5 exd5 9. 0-0 Be7 10. Re1 0-0 11. Bg5 h6 12. Bh4 Re8 13. Qd3 g5 14. Bg3 Bf8 15. Nf3 Rxe1+ 16. Rxe1 Be6 17. h4 g4 18. Bxc6 bxc6 19. Nd4 Bd7 20. Nf5 Nh5 21. Be5 Bxf5 22. Qxf5 Qxh4 23. g3 Qg5 24. Qd7 Qg6 25. b4 Qe6 26. Qb7 Qc8 27. Qxc8 Rxc8 28. Bd4 a6 29. Na4 Ng7 30. Nb6 Rd8 31. Be5 Ne6 32. Re3 Bg7 33. Kf1 d4 34. Re2 d3 35. cxd3 Rxd3 36. Bxg7 Kxg7 37. Re3 Rd2 38. f3 gxf3 39. Rxf3 Nd4 40. Rc3 Ra2 41. Rd3 Nc2 42. Nc4 h5 43. Rd6 Nxa3 44. Nxa3 Rxa3 45. Rxc6 Rxg3 46. Rxa6 Rb3 47. Rb6 Rb2 48. b5 h4 49. Kg1 h3 50. Rb8 f5 51. Rb7+ Kg6 52. Rb6+ Kg5 53. Rb8 Kg4 54. b6 Kg3 55. Rg8+ Kf3 56. Rb8 Rg2+ 57. Kh1 Rg7 58. Ra8 Rb7 59. Ra3+ Kg4 60. Rb3 f4 61. Kh2 f3 62. Rb4+ Kf5 63. Kxh3 1/2-1/2

[Event "URS-ch30 Semifinal"]
[Site "Novosibirsk"]
[Date "1962.08.??"]
[Round "4"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Macs, Valdemars"]
[Result "1-0"]
[ECO "B92"]
[PlyCount "57"]
[EventDate "1962.08.18"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Be7 7. Be2 a6 8. 0-0 Nbd7 9. Be3 0-0 10. a4 b6 11. Qd2 Bb7 12. f3 Nc5 13. Nxc5 dxc5 14. Qe1 Qc7 15. Bc4 Rfd8 16. Qe2 a5 17. g4 Bc6 18. Qg2 Qb7 19. g5 Ne8 20. b3 Nc7 21. Kh1 b5 22. axb5 Bxb5 23. Nxb5 Nxb5 24. f4 Nc3 25. fxe5 a4 26. Rxf7 Kh8 27. g6 axb3 28. Rg1 b2 29. Rxg7 1-0

[Event "URS-ch30 Semifinal"]
[Site "Novosibirsk"]
[Date "1962.08.??"]
[Round "8"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Mosionzhik, Ilya Samoilovich"]
[Result "1/2-1/2"]
[ECO "B50"]
[PlyCount "82"]
[EventDate "1962.08.18"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. b3 Nf6 5. Bxc6+ bxc6 6. d3 Bg4 7. Nbd2 e5 8. h3 Be6 9. 0-0 h6 10. Nc4 g5 11. Nh2 Be7 12. Qe2 Qd7 13. c3 0-0-0 14. b4 cxb4 15. Rb1 Kb8 16. Be3 Ka8 17. Qd2 Bxc4 18. dxc4 Rb8 19. cxb4 d5 20. cxd5 cxd5 21. exd5 Rhc8 22. Qe2 Nxd5 23. Bc5 Bxc5 24. bxc5 Rxb1 25. Rxb1 f6 26. Qf3 Rxc5 27. Ng4 Qc6 28. Nxh6 Rc1+ 29. Rxc1 Qxc1+ 30. Kh2 Qf4+ 31. Qxf4 exf4 32. Nf5 Kb7 33. g3 Kc6 34. h4 fxg3+ 35. fxg3 gxh4 36. gxh4 Kd7 37. Kg3 Ke6 38. Kg4 a5 39. Nd4+ Kf7 40. h5 Nc3 41. Kf5 Kg7 1/2-1/2

[Event "URS-ch30 Semifinal"]
[Site "Novosibirsk"]
[Date "1962.08.??"]
[Round "1"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Mukhitdinov, Mamadzhan"]
[Result "1/2-1/2"]
[ECO "B28"]
[PlyCount "39"]
[EventDate "1962.08.18"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Nc2 Bc5 7. Nc3 d6 8. Be2 Nge7 9. 0-0 0-0 10. Nd5 Nxd5 11. cxd5 Nd4 12. Nxd4 Bxd4 13. Qb3 Qh4 14. Bf3 f5 15. g3 Qe7 16. Be3 Bxe3 17. Qxe3 f4 18. Qe2 Bh3 19. Rfc1 fxg3 20. hxg3 1/2-1/2

[Event "URS-ch30 Semifinal"]
[Site "Novosibirsk"]
[Date "1962.08.??"]
[Round "12"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Seredenko, Vladimir Semenovich"]
[Result "0-1"]
[ECO "C57"]
[PlyCount "48"]
[EventDate "1962.08.18"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Bxf7+ Ke7 6. Bd5 Rf8 7. 0-0 d6 8. c3 Bg4 9. Qa4 h6 10. d4 Bb6 11. Nf3 Bxf3 12. Bxc6 bxc6 13. gxf3 Qd7 14. dxe5 Qh3 15. exd6+ cxd6 16. e5 Qxf3 17. exd6+ Kd7 18. Nd2 Qh3 19. Qf4 Ng4 20. Qg3 Rxf2 21. Qxh3 Rxh2+ 22. Rf2 Bxf2+ 23. Kf1 Rxh3 24. Ne4 Rf8 0-1

[Event "URS-ch30 Semifinal"]
[Site "Novosibirsk"]
[Date "1962.08.??"]
[Round "3"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Vaisman, Alexander N"]
[Result "1/2-1/2"]
[ECO "B84"]
[PlyCount "87"]
[EventDate "1962.08.18"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. 0-0 Nbd7 8. a4 b6 9. f4 Bb7 10. Bf3 Qc7 11. Qe1 e5 12. Nf5 g6 13. Ne3 exf4 14. Ned5 Nxd5 15. exd5+ Ne5 16. Bxf4 Bg7 17. Ne4 0-0 18. Qh4 Qd8 19. Bg5 f6 20. Be3 Rc8 21. Qf2 Nxf3+ 22. Qxf3 Rxc2 23. Bd4 f5 24. Bxg7 Kxg7 25. Qd3 Rc7 26. Qd4+ Kg8 27. Nc3 Re7 28. Rae1 Rfe8 29. Rxe7 Rxe7 30. Qf6 Re8 31. Qxd8 Rxd8 32. Rf4 a5 33. Rc4 Rd7 34. Rc6 Ba6 35. Rxb6 Bc4 36. Kf2 f4 37. Kf3 g5 38. b3 Bd3 39. Ne4 Bxe4+ 40. Kxe4 Kg7 41. Kf5 h6 42. Ra6 Rf7+ 43. Kg4 Rb7 44. Rxa5 1/2-1/2

[Event "URS-ch30 Semifinal"]
[Site "Novosibirsk"]
[Date "1962.08.??"]
[Round "6"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Zhilin, Vitaly V"]
[Result "1/2-1/2"]
[ECO "C72"]
[PlyCount "81"]
[EventDate "1962.08.18"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Bd7 6. d4 b5 7. Bb3 Nxd4 8. Nxd4 exd4 9. c3 d3 10. Qxd3 Nf6 11. Bg5 Be7 12. Nd2 0-0 13. Rae1 Ne8 14. Bxe7 Qxe7 15. e5 dxe5 16. Nf3 Be6 17. Nxe5 Bxb3 18. axb3 Qd6 19. b4 Qxd3 20. Nxd3 a5 21. bxa5 Rxa5 22. Re7 Ra7 23. g3 Nf6 24. Rfe1 Nd5 25. Rd7 Nb6 26. Rd4 Rc8 27. Re5 c6 28. Rd6 Rac7 29. b3 Kf8 30. Nb4 Nd7 31. Re3 Nc5 32. c4 bxc4 33. bxc4 Ne6 34. Kg2 Ke7 35. Rdd3 Rd7 36. f4 Rxd3 37. Rxd3 Nd8 38. c5 Nb7 39. Re3+ Kd7 40. Rd3+ Ke7 41. Re3+ 1/2-1/2

[Event "URS-ch30 Semifinal"]
[Site "Novosibirsk"]
[Date "1962.08.??"]
[Round "2"]
[White "Kots, Yury Isakovich"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "1-0"]
[ECO "C72"]
[PlyCount "55"]
[EventDate "1962.08.18"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Bg4 6. h3 h5 7. d4 b5 8. Bb3 Bxf3 9. Qxf3 Qf6 10. Qc3 Nxd4 11. Qxc7 Ne7 12. Nc3 Rd8 13. f4 Rd7 14. Qc8+ Rd8 15. Qb7 Rd7 16. Qa8+ Rd8 17. Qxa6 d5 18. Qxf6 gxf6 19. fxe5 fxe5 20. Bg5 Rc8 21. Nxd5 Nxd5 22. Bxd5 Rxc2 23. Bxf7+ Kd7 24. Bf6 Rh7 25. Bxe5 Bc5 26. Rad1 Rxf7 27. Rxf7+ Ke6 28. Bxd4 1-0

[Event "URS-ch30 Semifinal"]
[Site "Novosibirsk"]
[Date "1962.08.??"]
[Round "13"]
[White "Lapienis, Donatas P"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "0-1"]
[ECO "A62"]
[PlyCount "66"]
[EventDate "1962.08.18"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 c5 5. d5 d6 6. Nc3 0-0 7. Nf3 e6 8. 0-0 exd5 9. cxd5 Na6 10. Nd2 Nc7 11. Nc4 b5 12. Nxd6 Qxd6 13. Bf4 Qb6 14. d6 Ne6 15. Bxa8 Nxf4 16. gxf4 Rd8 17. Bg2 Rxd6 18. Qb3 a6 19. Rad1 Be6 20. Qc2 c4 21. e3 h5 22. Rxd6 Qxd6 23. Rd1 Qc5 24. Rd8+ Kh7 25. Qd2 b4 26. Ne2 Qa5 27. Rb8 Qxa2 28. Rxb4 Qa5 29. Nd4 Qa1+ 30. Bf1 Ne4 31. Nc2 Qxf1+ 32. Kxf1 Nxd2+ 33. Ke2 Nb3 0-1

[Event "URS-ch30 Semifinal"]
[Site "Novosibirsk"]
[Date "1962.08.??"]
[Round "9"]
[White "Zakharov"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "1/2-1/2"]
[ECO "C64"]
[PlyCount "115"]
[EventDate "1962.08.18"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nge7 5. 0-0 Bb6 6. d4 exd4 7. cxd4 d5 8. exd5 Nxd5 9. Bg5 Qd6 10. Na3 0-0 11. Nc4 Qg6 12. Nxb6 axb6 13. Qd2 h6 14. Bh4 Bg4 15. Ne5 Nxe5 16. dxe5 c6 17. Bd3 Qh5 18. Bg3 Rfd8 19. a3 b5 20. Rfe1 Rd7 21. Qc2 Ne7 22. Qc3 Rad8 23. Bf1 Qg6 24. h3 Be6 25. f4 Qf5 26. Qe3 Ng6 27. Be2 h5 28. Rf1 Rd4 29. Qf2 Bc4 30. Bxc4 bxc4 31. Rae1 h4 32. Bxh4 Rxf4 33. Bxd8 Rxf2 34. Rxf2 Qe6 35. Bc7 f6 36. Kh1 b5 37. Bd6 Qd5 38. Bb8 fxe5 39. Bxe5 Nxe5 40. Rf5 Qd2 41. Rfxe5 Qxb2 42. Re6 c5 43. Rc6 Qxa3 44. Re8+ Kh7 45. Rec8 Qa1+ 46. Kh2 Qe5+ 47. Kh1 b4 48. Rxc5 Qe1+ 49. Kh2 b3 50. Rb8 Qd2 51. Rh5+ Kg6 52. Rhb5 Qd6+ 53. Kh1 Qd1+ 54. Kh2 Kh7 55. R8b6 g6 56. Rb7+ Kh6 57. R7b6 Qd4 58. Kh1 1/2-1/2

[Event "RSFSR Chigorin Cup sf2"]
[Site "Rostov on Don"]
[Date "1957.??.??"]
[Round "?"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Krogius, Nikolai V"]
[Result "0-1"]
[ECO "B95"]
[PlyCount "80"]
[EventDate "1957.??.??"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qf3 h6 8. Bh4 Nbd7 9. 0-0-0 Qc7 10. Bxf6 Nxf6 11. g4 b5 12. a3 Bb7 13. h4 d5 14. Bd3 b4 15. axb4 Bxb4 16. Nde2 Rc8 17. Rh3 Qa5 18. Kb1 Bxc3 19. Nxc3 Rxc3 20. bxc3 dxe4 21. Qg3 Qb6+ 22. Kc1 exd3 23. Qb8+ Ke7 24. Qxh8 dxc2 25. Kxc2 Be4+ 26. Rhd3 Nxg4 27. Kc1 Bxd3 28. Rxd3 Nxf2 29. Rf3 Ng4 30. Rd3 Ne5 31. Rd4 Nc6 32. Rd2 Na5 33. Rb2 Qe3+ 34. Kc2 Qe4+ 35. Kc1 Nc4 36. Rb8 Qe1+ 37. Kc2 Qd2+ 38. Kb3 Na5+ 39. Ka4 Qa2+ 40. Kb4 Nc6+ 0-1

[Event "RSFSR Chigorin Cup sf2"]
[Site "Rostov on Don"]
[Date "1957.??.??"]
[Round "?"]
[White "Shamkovich, Leonid Alexandrovic"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "1/2-1/2"]
[ECO "D50"]
[PlyCount "61"]
[EventDate "1957.??.??"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c5 5. Bg5 cxd4 6. Nxd4 Be7 7. cxd5 Nxd5 8. Bxe7 Qxe7 9. Nxd5 exd5 10. Rc1 0-0 11. e3 Nc6 12. Nxc6 bxc6 13. Qd4 Rb8 14. Be2 Rb4 15. Qd2 Qb7 16. b3 a5 17. 0-0 Bd7 18. Bd1 Ra8 19. Qc3 Qb8 20. Bc2 Qd6 21. f4 f5 22. Rf3 c5 23. Bd3 Rc8 24. Rd1 Be6 25. Bc4 Qc6 26. Rg3 g6 27. Be2 d4 28. Qb2 a4 29. exd4 axb3 30. d5 Bxd5 31. axb3 1/2-1/2

[Event "RSFSR-ch15"]
[Site "Leningrad"]
[Date "1955.??.??"]
[Round "?"]
[White "Bastrikov, Georgy Vladimirovic"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "87"]
[EventDate "1955.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 a5 7. Bd3 Bd7 8. Bc2 Nge7 9. 0-0 cxd4 10. cxd4 Nf5 11. Bxf5 exf5 12. Nc3 Be6 13. Na4 Qb5 14. Be3 Be7 15. Rc1 0-0 16. Ne1 Rac8 17. Nd3 Nb8 18. Nac5 Nd7 19. a4 Qb6 20. Rc3 Bxc5 21. dxc5 Qc7 22. Bd4 Nb8 23. Nf4 Nc6 24. Re1 h6 25. Nh5 Ne7 26. Qd2 Ng6 27. Rg3 Kh7 28. f4 Rg8 29. Rh3 Ne7 30. Qf2 Rh8 31. Rc3 Nc6 32. Rd1 g6 33. Nf6+ Kg7 34. h3 h5 35. Kh2 h4 36. Qe2 b6 37. Bf2 d4 38. Bxd4 Nxd4 39. Rxd4 bxc5 40. Rd2 Qc6 41. b3 Rb8 42. Rd6 Qb7 43. Qe3 Bxb3 44. Nd7 1-0

[Event "RSFSR-ch15"]
[Site "Leningrad"]
[Date "1955.??.??"]
[Round "?"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Aratovsky, Nikolay Konstantino"]
[Result "0-1"]
[ECO "B67"]
[PlyCount "98"]
[EventDate "1955.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Nc6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 h6 10. Bh4 Nxe4 11. Qe1 Nf6 12. Nf5 Qa5 13. Nxd6+ Bxd6 14. Rxd6 0-0-0 15. Bxf6 gxf6 16. Rd2 Ne7 17. Qh4 Bc6 18. Bd3 Nd5 19. Nxd5 Bxd5 20. a3 f5 21. Rhd1 Rd7 22. Qf6 Rhd8 23. Qxh6 b5 24. Qf6 b4 25. a4 Qxa4 26. b3 Qa5 27. Kb1 Be4 28. Qa1 Qxa1+ 29. Kxa1 Kc7 30. Kb2 a5 31. Kc1 Rh8 32. Bxe4 Rxd2 33. Kxd2 fxe4 34. Rh1 Kd6 35. h3 f5 36. Ra1 Rg8 37. g4 fxg4 38. Rg1 e5 39. f5 g3 40. Ke3 Ke7 41. Kxe4 Kf6 42. Rg2 Rg7 43. Rg1 g2 44. Kf3 Kxf5 45. Rxg2 e4+ 46. Kf2 Rc7 47. Ke1 e3 48. h4 Ke4 49. h5 a4 0-1

[Event "RSFSR-ch15"]
[Site "Leningrad"]
[Date "1955.??.??"]
[Round "?"]
[White "Shamkovich, Leonid Alexandrovic"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "1/2-1/2"]
[ECO "A13"]
[PlyCount "112"]
[EventDate "1955.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. c4 dxc4 5. Ne5 Qd4 6. f4 Nbd7 7. Qa4 Ne4 8. e3 Nec5 9. Qxc4 Qxc4 10. Nxc4 Nd3+ 11. Ke2 Nxc1+ 12. Rxc1 c6 13. a3 a5 14. Nc3 Nc5 15. Rc2 Ra6 16. d4 Nd7 17. Rb1 Nb6 18. Nb5 Na8 19. Nbd6+ Bxd6 20. Nxd6+ Ke7 21. Ne4 Bd7 22. Nc5 Ra7 23. b4 axb4 24. Rxb4 Bc8 25. Rcb2 b6 26. Na4 b5 27. Nc5 Bd7 28. a4 Nc7 29. Rc2 Na6 30. Nxa6 Rxa6 31. axb5 cxb5 32. Kd2 Rb8 33. Bf1 Ra1 34. Be2 Rh1 35. h4 Rh3 36. Rc7 Kd8 37. Rc5 Rxg3 38. Bxb5 Rh3 39. h5 Rh2+ 40. Kc3 Ra2 41. Bxd7 Rxb4 42. Bxe6 Rab2 43. Bxf7 Rb5 44. Re5 Rxe5 45. fxe5 Rh2 46. d5 Ke7 47. Bg8 Rxh5 48. d6+ Kd7 49. Kd4 Rh2 50. Kd5 Rd2+ 51. Kc5 Rc2+ 52. Bc4 h5 53. e6+ Kd8 54. Kd5 Rxc4 55. Kxc4 h4 56. Kd5 h3 1/2-1/2

[Event "RSFSR-ch14"]
[Site "Rostov on Don"]
[Date "1954.??.??"]
[Round "?"]
[White "Aratovsky, Nikolay Konstantino"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "1-0"]
[ECO "A52"]
[PlyCount "69"]
[EventDate "1954.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe5 5. f4 Nec6 6. Be3 Na6 7. Nc3 Bc5 8. Bxc5 Nxc5 9. Qh5 d6 10. 0-0-0 0-0 11. g4 f6 12. Nf3 Qe8 13. Qh4 Qf7 14. Rg1 Bd7 15. Nd5 Ne7 16. Nc3 Bc6 17. Re1 a6 18. f5 b5 19. g5 b4 20. Nd5 Bxd5 21. cxd5 a5 22. Rg3 g6 23. Bc4 a4 24. gxf6 Qxf6 25. Ng5 Qg7 26. Rf1 a3 27. f6 Rxf6 28. Rxf6 Qxf6 29. Qxh7+ Kf8 30. Rf3 Nf5 31. exf5 Qxb2+ 32. Kd1 Qd4+ 33. Ke1 Qa1+ 34. Kf2 Qd4+ 35. Kg3 1-0

[Event "RSFSR-ch14"]
[Site "Rostov on Don"]
[Date "1954.??.??"]
[Round "?"]
[White "Grechkin, Dmitry Makarovich"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "1/2-1/2"]
[ECO "C15"]
[PlyCount "78"]
[EventDate "1954.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. Qg4 Nf6 7. Qxg7 Rg8 8. Qh6 c5 9. Ne2 Rg6 10. Qe3 Nc6 11. dxc5 e5 12. Bb2 Qa5 13. h3 Qa4 14. 0-0-0 Na5 15. Ng3 Be6 16. f4 exf3 17. Qxf3 Qh4 18. Bb5+ Kf8 19. Nf5 Qg5+ 20. Ne3 a6 21. Bf1 Bd5 22. Qf2 Ne4 23. Qe1 Ng3 24. Rxd5 Nxh1 25. g4 Qf4 26. Kb1 Ng3 27. Bg2 Rf6 28. c4 Nc6 29. Rd7 Ne4 30. Rxb7 Rd8 31. Nd5 Nd2+ 32. Ka1 Qf2 33. Qh1 Re6 34. Nc7 Nd4 35. Nxe6+ fxe6 36. Be4 Nxe4 37. Qxe4 Qf1+ 38. Ka2 Qxc4+ 39. Kb1 Qf1+ 1/2-1/2

[Event "RSFSR-ch14"]
[Site "Rostov on Don"]
[Date "1954.??.??"]
[Round "?"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Lutikov, Anatoly S"]
[Result "0-1"]
[ECO "C81"]
[PlyCount "46"]
[EventDate "1954.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 Nc5 11. c4 d4 12. cxb5 d3 13. Qf1 Bxb3 14. axb3 Nb4 15. Be3 0-0 16. Ne1 Qd7 17. Bxc5 Bxc5 18. bxa6 Rfd8 19. Nc3 Qf5 20. Nf3 g5 21. Ra5 Be7 22. Qe1 g4 23. Nd2 Rxa6 0-1

[Event "RSFSR-ch14"]
[Site "Rostov on Don"]
[Date "1954.??.??"]
[Round "?"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Zurakhov, Vladlen Y"]
[Result "0-1"]
[ECO "B95"]
[PlyCount "68"]
[EventDate "1954.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Qf3 h6 8. Bh4 e6 9. 0-0-0 Qc7 10. g4 b5 11. a3 Bb7 12. Qe2 Be7 13. Bg3 Nc5 14. Bg2 0-0-0 15. Rhe1 Qb6 16. f4 Rhe8 17. b4 Ncd7 18. Bf2 Nxg4 19. Bg1 Qc7 20. Ndxb5 axb5 21. Nxb5 Ba6 22. Nxd6+ Qxd6 23. Qxg4 Qc7 24. e5 Qc3 25. Kb1 Qxa3 26. Re3 Qxb4+ 27. Rb3 Nxe5 28. Qh5 Qxf4 29. Rc3+ Kb8 30. Rb3+ Kc8 31. Rc3+ Nc4 32. Rxd8+ Rxd8 33. Qa5 Rd1+ 34. Ka2 Ra1+ 0-1

[Event "RSFSR-ch14"]
[Site "Rostov on Don"]
[Date "1954.??.??"]
[Round "?"]
[White "Veltmander, Iogannes G"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "1/2-1/2"]
[ECO "E98"]
[PlyCount "67"]
[EventDate "1954.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Ne8 10. Nd3 f5 11. f4 fxe4 12. Nxe4 Nf5 13. fxe5 dxe5 14. Bg5 Nf6 15. g4 Nd6 16. Nxf6+ Bxf6 17. Bxf6 Rxf6 18. Nxe5 Rxf1+ 19. Bxf1 Qg5 20. Qe2 Bf5 21. c5 Ne4 22. Bg2 Re8 23. gxf5 Rxe5 24. d6 cxd6 25. cxd6 gxf5 26. Rd1 Re8 27. d7 Rd8 28. Kh1 Qh4 29. Kg1 Qg5 30. Qc4+ Kf8 31. Rd3 Qe7 32. Bxe4 Qxe4 33. Qc5+ Kf7 34. Qc7 1/2-1/2

[Event "URS-ch21 Semifinal"]
[Site "Rostov on Don"]
[Date "1953.??.??"]
[Round "?"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Fridstein, German Samuilovich"]
[Result "0-1"]
[ECO "B99"]
[PlyCount "150"]
[EventDate "1953.06.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qf3 Be7 8. 0-0-0 Qc7 9. Qg3 0-0 10. f4 Nbd7 11. Bd3 b5 12. a3 Rb8 13. Rhe1 b4 14. axb4 Rxb4 15. e5 dxe5 16. fxe5 Rxd4 17. exf6 Qxg3 18. hxg3 Nxf6 19. Bxh7+ Nxh7 20. Bxe7 Rxd1+ 21. Rxd1 Re8 22. Bc5 Bb7 23. Rd6 Rc8 24. Be3 Bc6 25. g4 Nf6 26. g5 Ne8 27. Rd2 Nc7 28. g3 Kh7 29. Rd6 Nb5 30. Nxb5 axb5 31. Kd2 Kg6 32. b3 Be4 33. c3 Bd5 34. Rb6 Bc6 35. Ke2 Kf5 36. c4 bxc4 37. bxc4 Ke4 38. c5 e5 39. Rb4+ Kf5 40. g4+ Ke6 41. Kf2 Ra8 42. Kg3 Ra3 43. Kf2 Ra2+ 44. Kg3 Rg2+ 45. Kh3 Re2 46. Bg1 Rc2 47. Rb6 Rc3+ 48. Kh2 Kd5 49. Rb4 Ra3 50. Bf2 Rc3 51. Kg2 Rd3 52. Kf1 e4 53. Bg1 Bd7 54. Rb6 Rf3+ 55. Ke1 Bxg4 56. Rd6+ Ke5 57. Kd2 Ra3 58. Bh2+ Kf5 59. Rd5+ Kg6 60. Bf4 Be6 61. Rd6 Kf5 62. Be3 Ra2+ 63. Kc3 Ra3+ 64. Kd2 Kg4 65. c6 Kf3 66. c7 Bg4 67. Bc5 e3+ 68. Kc2 Ra2+ 69. Kb3 Rd2 70. g6 Rxd6 71. Bxd6 fxg6 72. Be7 e2 73. Bh4 g5 74. Be1 Bc8 75. Kc3 g4 0-1

[Event "URS-ch21 Semifinal"]
[Site "Rostov on Don"]
[Date "1953.??.??"]
[Round "?"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Furman, Semen Abramovich"]
[Result "0-1"]
[ECO "B98"]
[PlyCount "74"]
[EventDate "1953.06.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qf3 Be7 8. 0-0-0 Qc7 9. Qg3 0-0 10. Be2 Kh8 11. f4 Nc6 12. Nxc6 bxc6 13. e5 Nd5 14. Bxe7 Qxe7 15. Ne4 dxe5 16. fxe5 Qb4 17. c4 Rb8 18. Rd2 Ne7 19. Rf1 Qa5 20. a3 Ng6 21. Ng5 Rb7 22. b4 Qxe5 23. Qxe5 Nxe5 24. Nf3 Nd7 25. Nd4 Rc7 26. Kb2 Kg8 27. Bf3 Ne5 28. Be2 c5 29. Nf3 Ng4 30. Ng5 Ne3 31. Rf3 Nf5 32. b5 h6 33. Ne4 Bb7 34. Bd3 Nd4 35. Re3 axb5 36. cxb5 c4 37. Bxc4 Nf5 0-1

[Event "RSFSR-ch13"]
[Site "Saratov"]
[Date "1953.??.??"]
[Round "?"]
[White "Stoliar, Efim Samoilovich"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "1-0"]
[ECO "C85"]
[PlyCount "73"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Bxc6 dxc6 7. d3 Nd7 8. Nbd2 0-0 9. Nc4 Bf6 10. a4 Re8 11. b3 c5 12. Bb2 g6 13. Nfd2 b6 14. Ne3 Bg7 15. Ndc4 Bb7 16. Qg4 Qe7 17. f4 exf4 18. Nf5 Qe6 19. Bxg7 gxf5 20. exf5 Qe2 21. Rxf4 Qxg2+ 22. Qxg2 Bxg2 23. Rg4 Bd5 24. Be5+ Kf8 25. Bxc7 f6 26. Nxb6 Nxb6 27. Bxb6 Rac8 28. Kf2 Kf7 29. Rag1 Kf8 30. Rg7 Re5 31. Rxh7 Rxf5+ 32. Ke1 Rc6 33. a5 Re5+ 34. Kd2 Re7 35. Rh5 Rd7 36. c4 Bf7 37. Bxc5+ 1-0

[Event "URS-ch19 Semifinal"]
[Site "Sverdlovsk"]
[Date "1951.06.??"]
[Round "7"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[ECO "B26"]
[PlyCount "78"]
[EventDate "1951.05.25"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Nd4 7. f4 Nh6 8. h3 f5 9. Qd2 e6 10. Nf3 0-0 11. 0-0 Nf7 12. Rae1 Bd7 13. Nd1 Nb5 14. c3 Rc8 15. Nf2 Bc6 16. g4 b6 17. exf5 exf5 18. gxf5 gxf5 19. Nh1 d5 20. Bf2 d4 21. c4 Nbd6 22. Bh4 Bf6 23. Bxf6 Qxf6 24. Ne5 Be8 25. Kh2 Kh8 26. Bd5 Rc7 27. Re2 Nh6 28. Ng3 Qh4 29. Nf3 Qd8 30. Ng5 Bd7 31. Qe1 Re8 32. Rxe8+ Qxe8 33. Qxe8+ Bxe8 34. Re1 Bg6 35. Kg2 Nc8 36. Bf3 Re7 37. Rxe7 Nxe7 38. Bb7 Kg7 39. Kf3 Nf7 1/2-1/2

[Event "URS-ch19 Semifinal"]
[Site "Sverdlovsk"]
[Date "1951.06.??"]
[Round "11"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Saigin, Vladimir"]
[Result "1-0"]
[ECO "C19"]
[PlyCount "83"]
[EventDate "1951.05.25"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Qa5 8. Bd2 Nd7 9. Be2 c4 10. Nh3 Nb6 11. 0-0 Bd7 12. Nf4 0-0-0 13. Nh5 Rhg8 14. f4 Rdf8 15. Kh1 Nxa4 16. g4 b5 17. f5 exf5 18. gxf5 Bxf5 19. Bg4 g6 20. Nf6 Rd8 21. Nxg8 Rxg8 22. Qf3 Qd8 23. Rfb1 Qd7 24. Bxf5 Nxf5 25. Bf4 g5 26. Bd2 Nh4 27. Qf6 Nb6 28. e6 fxe6 29. Rxa7 Qxa7 30. Qxe6+ Kb7 31. Qxg8 Ka6 32. Qxg5 Ng6 33. Ra1+ Na4 34. Qxd5 Ne7 35. Qd6+ Ka5 36. Bg5 Qb7+ 37. Kg1 Nd5 38. Bd8+ Ndb6 39. Bxb6+ Qxb6 40. Qb4+ Ka6 41. Rxa4+ bxa4 42. Qxa4+ 1-0

[Event "URS-ch19 Semifinal"]
[Site "Sverdlovsk"]
[Date "1951.06.??"]
[Round "9"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Veltmander, Iogannes G"]
[Result "0-1"]
[ECO "B26"]
[PlyCount "68"]
[EventDate "1951.05.25"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. f4 e6 8. Nge2 Nd4 9. 0-0 Ne7 10. Rb1 0-0 11. a3 b6 12. g4 f5 13. gxf5 exf5 14. Bxd4 cxd4 15. Nb5 Nc6 16. exf5 d5 17. c4 dxc4 18. Bxc6 a6 19. dxc4 d3 20. Bd5+ Kh8 21. Ned4 axb5 22. Nc6 Qd6 23. Nxb8 bxc4 24. Bg2 Qxb8 25. b3 b5 26. bxc4 Qa7+ 27. Kh1 bxc4 28. fxg6 Bf5 29. Rb7 Qd4 30. Qa4 Rd8 31. Rb4 Rc8 32. Re1 d2 33. Re8+ Bf8 34. g7+ Qxg7 0-1

[Event "URS-ch19 Semifinal"]
[Site "Sverdlovsk"]
[Date "1951.06.??"]
[Round "18"]
[White "Ravinsky, Grigory Ionovich"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "1/2-1/2"]
[ECO "C85"]
[PlyCount "80"]
[EventDate "1951.05.25"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Bxc6 dxc6 7. Qe1 c5 8. Nxe5 Qd4 9. Nd3 Nxe4 10. b3 Be6 11. Bb2 Qd5 12. Nf4 Qf5 13. Nxe6 fxe6 14. d3 Nf6 15. Nd2 0-0 16. Qe2 Bd6 17. f4 Rae8 18. Rae1 Nd5 19. g3 Nb4 20. Nf3 Nc6 21. a3 Nd4 22. Nxd4 cxd4 23. Qg2 Qd5 24. Qxd5 exd5 25. Rxe8 Rxe8 26. Kf2 c5 27. Re1 Rxe1 28. Kxe1 Kf7 29. Ke2 Bc7 30. Kf3 Ba5 31. Bc1 Kf6 32. a4 Bc3 33. g4 g6 34. Ke2 h5 35. h3 hxg4 36. hxg4 b6 37. Kf2 Bb4 38. Kf1 Bc3 39. Kf2 Bb4 40. Kf3 Bc3 1/2-1/2

[Event "URS-ch19 Semifinal"]
[Site "Sverdlovsk"]
[Date "1951.06.??"]
[Round "16"]
[White "Ufimtsev, Anatoly Gavrilovich"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "1-0"]
[ECO "D37"]
[PlyCount "59"]
[EventDate "1951.05.25"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 0-0 6. e3 b6 7. Rc1 c5 8. Be2 Bb7 9. dxc5 bxc5 10. 0-0 Nc6 11. cxd5 Nxd5 12. Nxd5 exd5 13. Qa4 Qb6 14. Rfd1 Nb4 15. Ne5 Rfd8 16. a3 Nc6 17. Bf3 Nxe5 18. Bxe5 d4 19. Bxb7 Qxb7 20. exd4 f6 21. Bg3 Qxb2 22. dxc5 Rdc8 23. Qe4 Bf8 24. a4 Re8 25. Qc4+ Kh8 26. c6 a5 27. c7 Rac8 28. Rb1 Qa3 29. Rb8 Qe7 30. Qa6 1-0

[Event "URS-ch19 Semifinal"]
[Site "Sverdlovsk"]
[Date "1951.05.30"]
[Round "4"]
[White "Bannik, Anatolij"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "1/2-1/2"]
[ECO "C99"]
[PlyCount "60"]
[EventDate "1951.05.25"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[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 Qc7 12. Nbd2 cxd4 13. cxd4 Bb7 14. Nf1 Rac8 15. Bb1 d5 16. exd5 exd4 17. Bg5 h6 18. Bh4 Nxd5 19. Qd3 g6 20. Bxe7 Nxe7 21. Nxd4 Nac6 22. Nxc6 Qxc6 23. Qe4 Qxe4 24. Bxe4 Bxe4 25. Rxe4 Nf5 26. a4 bxa4 27. Rexa4 Rc2 28. g4 Nh4 29. Rb4 Rc6 30. Ne3 Rd8 1/2-1/2

[Event "RUS-ch"]
[Site "Yaroslavl"]
[Date "1951.??.??"]
[Round "?"]
[White "Martjushov, Vasily"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "0-1"]
[ECO "C86"]
[PlyCount "50"]
[EventDate "1951.??.??"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "URS"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Qe2 b5 7. Bb3 0-0 8. c3 d5 9. d4 Bg4 10. dxe5 Nxe5 11. Rd1 Qc8 12. Bxd5 Bxf3 13. gxf3 Qh3 14. Nd2 Nxd5 15. exd5 Bd6 16. f4 Rae8 17. Qf1 Qg4+ 18. Kh1 Nd3 19. f3 Qxf4 20. Qg2 Qh4 21. Rf1 Re1 22. Rxe1 Qxe1+ 23. Qg1 Re8 24. Ne4 Qxg1+ 25. Kxg1 f5 0-1

[Event "RUS-ch"]
[Site "Yaroslavl"]
[Date "1951.??.??"]
[Round "3"]
[White "Novotelnov, Nikolay Alexandrovi"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "1-0"]
[ECO "C58"]
[PlyCount "69"]
[EventDate "1951.??.??"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "URS"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d3 h6 7. Nf3 e4 8. Qe2 Nxc4 9. dxc4 Bc5 10. Nfd2 0-0 11. Nb3 Bg4 12. Qf1 c6 13. h3 Bh5 14. g4 Bg6 15. Nxc5 Qa5+ 16. Nc3 Qxc5 17. Be3 Qa5 18. 0-0-0 b5 19. cxb5 Nxd5 20. Nxd5 cxd5 21. Kb1 Rfd8 22. Rd4 Rac8 23. Qe2 f6 24. Rhd1 Bf7 25. a4 Rd7 26. Qd2 Qc7 27. Bf4 Qb6 28. c4 e3 29. Bxe3 Rdc7 30. Rxd5 Qe6 31. Rd8+ Kh7 32. Rxc8 Qxc4 33. Qd3+ Bg6 34. Rh8+ Kxh8 35. Qxg6 1-0

[Event "URS-ch18 Semifinal"]
[Site "Gorky"]
[Date "1950.10.??"]
[Round "13"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Estrin, Yakov Borisovich"]
[Result "1/2-1/2"]
[ECO "C81"]
[PlyCount "53"]
[EventDate "1950.09.??"]
[EventType "tourn"]
[EventRounds "16"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Bc5 10. Nbd2 Bf5 11. a4 b4 12. Nxe4 Bxe4 13. Be3 Be7 14. Nd2 Bf5 15. Qf3 Be6 16. Qg3 g6 17. Bh6 Nd4 18. Qd3 c5 19. a5 Nxb3 20. Qxb3 Bg5 21. Bxg5 Qxg5 22. f4 Qd8 23. Rfd1 0-0 24. c4 bxc3 25. Qxc3 Qe7 26. Rac1 Rfc8 27. Qa3 1/2-1/2

[Event "URS-ch18 Semifinal"]
[Site "Gorky"]
[Date "1950.10.??"]
[Round "11"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Levenfish, Grigory"]
[Result "0-1"]
[ECO "C84"]
[PlyCount "74"]
[EventDate "1950.09.??"]
[EventType "tourn"]
[EventRounds "16"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d4 0-0 7. dxe5 Nxe4 8. Qe2 Nc5 9. Bxc6 dxc6 10. Be3 Bg4 11. Nc3 Qc8 12. h3 Bh5 13. Qc4 b5 14. Qf4 Bg6 15. Bxc5 Bxc5 16. Ne4 Be7 17. Nd4 c5 18. Nc6 Qe6 19. Nxe7+ Qxe7 20. Rfe1 Rfe8 21. Nc3 Rad8 22. Rad1 Qe6 23. Rd2 h6 24. b3 Bh7 25. Qe3 Rxd2 26. Qxd2 Qf5 27. Nd5 Rd8 28. Rd1 Kh8 29. Qa5 Qxc2 30. Rd2 Qe4 31. Ne3 Rd4 32. Re2 Qc6 33. Qe1 Re4 34. Ng4 Rxe2 35. Qxe2 c4 36. bxc4 bxc4 37. Ne3 c3 0-1

[Event "URS-ch18 Semifinal"]
[Site "Gorky"]
[Date "1950.09.??"]
[Round "?"]
[White "Furman, Semen Abramovich"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "0-1"]
[ECO "D36"]
[PlyCount "84"]
[EventDate "1950.09.??"]
[EventType "tourn"]
[EventRounds "16"]
[EventCountry "URS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. cxd5 exd5 6. Bg5 c6 7. Qc2 Nbd7 8. e3 0-0 9. Bd3 Re8 10. 0-0 Nf8 11. Rab1 Nh5 12. Bxe7 Qxe7 13. Rfe1 Be6 14. b4 a6 15. Na4 Rad8 16. Nc5 Bc8 17. a4 g5 18. e4 dxe4 19. Rxe4 Qf6 20. Rbe1 Ne6 21. h4 h6 22. hxg5 hxg5 23. Re5 Nhg7 24. Nxe6 Rxe6 25. Bh7+ Kh8 26. Nxg5 Rxe5 27. Rxe5 Rxd4 28. Qc5 Rd1+ 29. Kh2 Ne6 30. Rxe6 fxe6 31. Be4 e5 32. Bf3 Re1 33. Qc3 Qf4+ 34. g3 Qc1 35. Nf7+ Kg7 36. Qxc1 Rxc1 37. Nd6 Be6 38. Nxb7 Bd5 39. Bxd5 cxd5 40. b5 axb5 41. axb5 d4 42. Nd6 d3 0-1

[Event "URS-ch18 Semifinal"]
[Site "Gorky"]
[Date "1950.09.??"]
[Round "?"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Byvshev, Vasily Mikhailovich"]
[Result "1-0"]
[ECO "C61"]
[PlyCount "89"]
[EventDate "1950.09.??"]
[EventType "tourn"]
[EventRounds "16"]
[EventCountry "URS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. 0-0 c6 6. Bc4 Nf6 7. Qe2 d6 8. c3 dxc3 9. bxc3 Be7 10. d4 0-0 11. Bd3 Bg4 12. f3 Bh5 13. g4 Bg6 14. f4 h6 15. f5 Bh7 16. Nd2 Re8 17. Qf3 Bf8 18. Bb2 Qa5 19. Rf2 Nd7 20. Rg2 Ne5 21. Qg3 Nxd3 22. Qxd3 f6 23. Nf3 Kh8 24. Kh1 Re7 25. a3 Rae8 26. Re1 Bg8 27. Rge2 Qa4 28. Re3 Bc4 29. Qd2 c5 30. Kg1 Bf7 31. h3 Qc6 32. d5 Qb5 33. Kf2 Kg8 34. h4 Qc4 35. Qc2 Rb8 36. Nd2 Qa6 37. c4 Be8 38. g5 hxg5 39. hxg5 fxg5 40. Rg1 Rf7 41. Nf3 b5 42. Nxg5 Rfb7 43. Rh3 Be7 44. Qc3 Bxg5 45. Rxg5 1-0

[Event "RSFSR-ch09"]
[Site "Yaroslavl"]
[Date "1949.??.??"]
[Round "?"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Sopkov"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "73"]
[EventDate "1949.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Qa5 7. Nge2 Nd4 8. 0-0 Ne7 9. f4 d6 10. Rb1 Nec6 11. a3 0-0 12. g4 Nxe2+ 13. Nxe2 f5 14. gxf5 exf5 15. b4 cxb4 16. axb4 Nxb4 17. exf5 Nd5 18. Qd2 Nc3 19. fxg6 hxg6 20. Ng3 Qc7 21. Rb3 d5 22. d4 Ne4 23. Nxe4 dxe4 24. Bxe4 Qf7 25. Qg2 Bf5 26. Rxb7 Bxe4 27. Rxf7 Bxg2 28. Rxf8+ Rxf8 29. Kxg2 Rc8 30. Rc1 a5 31. c4 a4 32. c5 a3 33. Ra1 Rxc5 34. dxc5 Bxa1 35. c6 a2 36. c7 Bg7 37. c8Q+ 1-0

[Event "RSFSR-ch08"]
[Site "Saratov"]
[Date "1948.??.??"]
[Round "?"]
[White "Bagin"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "0-1"]
[ECO "C18"]
[PlyCount "50"]
[EventDate "1948.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 cxd4 8. Qxg7 Rg8 9. Qxh7 Qc7 10. Ne2 Nbc6 11. f4 Bd7 12. Qd3 dxc3 13. Nxc3 a6 14. g3 Rc8 15. Ne2 Nf5 16. Bh3 Nce7 17. Nd4 Nxd4 18. Qxd4 Qxc2 19. 0-0 Qh7 20. Bg2 Rh8 21. h3 Nf5 22. Qf2 Rc3 23. g4 Rg3 24. a4 Qxh3 25. Re1 Qh1# 0-1

[Event "Match Konstantinov-Simagin +2-0=0"]
[Site "Krasnodar"]
[Date "1947.??.??"]
[Round "2"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Simagin, Vladimir Pavlovich"]
[Result "1-0"]
[ECO "C96"]
[PlyCount "61"]
[EventDate "1947.??.??"]
[EventType "match"]
[EventRounds "14"]
[EventCountry "URS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[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 c6 11. d4 Qc7 12. Nbd2 Nd7 13. Nf1 Bf6 14. Ne3 Nb6 15. Ng4 Bxg4 16. hxg4 c5 17. d5 Be7 18. g3 Nb7 19. Kg2 Qd7 20. Nh2 Nd8 21. Rh1 f6 22. Nf1 Nf7 23. Ne3 Rfe8 24. Nf5 Bf8 25. g5 g6 26. gxf6 gxf5 27. Rxh7 Kxh7 28. Qh5+ Kg8 29. Qg6+ Kh8 30. Bg5 Nxg5 31. Rh1+ 1-0

[Event "Match Konstantinov-Simagin +2-0=0"]
[Site "Krasnodar"]
[Date "1947.??.??"]
[Round "1"]
[White "Simagin, Vladimir Pavlovich"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "0-1"]
[ECO "D05"]
[PlyCount "82"]
[EventDate "1947.??.??"]
[EventType "match"]
[EventRounds "14"]
[EventCountry "URS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 b6 5. 0-0 Bb7 6. Nbd2 Nbd7 7. Qe2 Ne4 8. Rd1 Bd6 9. Nf1 Qe7 10. a4 a5 11. Ng3 0-0 12. c4 Nxg3 13. hxg3 dxc4 14. Bxc4 e5 15. d5 e4 16. Nd4 Qg5 17. Bb5 Nf6 18. Bc6 Bxc6 19. dxc6 Ng4 20. Kf1 Qh5 21. Ke1 f5 22. Bd2 Qh2 23. Qf1 Nxf2 24. Kxf2 Bxg3+ 25. Ke2 Qh5+ 26. Nf3 f4 27. Bc3 fxe3 28. Qh1 Qc5 29. Rd7 exf3+ 30. gxf3 Qc4+ 31. Kd1 Rf7 32. Kc2 Qxc6 33. Rxf7 Qg6+ 34. Kb3 Qxf7+ 35. Kc2 Qg6+ 36. Kb3 Qe6+ 37. Kc2 Re8 38. Qh5 e2 39. Rh1 Qg6+ 40. Qxg6 hxg6 41. Be1 Bxe1 0-1

[Event "All Union 1st Category Tournament Gr3"]
[Site "Gorky"]
[Date "1938.08.??"]
[Round "?"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Schneiderman Stepanov, Gorgy"]
[Result "0-1"]
[ECO "E02"]
[PlyCount "66"]
[EventDate "1938.08.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "URS"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. 0-0 c5 11. Bf4 Rc8 12. dxc5 Bxc5 13. Rad1 0-0 14. Ne5 Bxg2 15. Kxg2 Nxe5 16. Bxe5 Qe7 17. Qf3 Nd7 18. Bd4 Bxd4 19. Rxd4 Ne5 20. Qe4 Nc4 21. b3 Nb6 22. Qd3 e5 23. Rh4 h6 24. f4 Rfd8 25. Qf3 e4 26. Nxe4 f5 27. Nf2 Rd2 28. Rh3 Qxe2 29. Qb7 Qe4+ 30. Qxe4 fxe4 31. g4 Nd5 32. Kg1 Nxf4 33. Re3 Rcc2 0-1

[Event "All Union 1st Category Tournament Gr3"]
[Site "Gorky"]
[Date "1938.08.??"]
[Round "?"]
[White "Sorokin, Nikolay Tikhovich"]
[Black "Konstantinov, Alexander Ivanovich"]
[Result "1-0"]
[ECO "C19"]
[PlyCount "45"]
[EventDate "1938.08.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "URS"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Nf3 Bd7 8. a4 Nc6 9. Be2 b6 10. 0-0 Nge7 11. Qd2 Nf5 12. Bd3 c4 13. Bxf5 exf5 14. Qg5 0-0 15. Ba3 Rfe8 16. Qh5 Be6 17. Nh4 Qd7 18. f4 h6 19. Rf3 Kh7 20. Rg3 Rg8 21. Nf3 g6 22. Ng5+ Kg7 23. Qxh6+ 1-0

