[Event "FRA corr"]
[Site "France"]
[Date "1989.??.??"]
[Round "?"]
[White "Mazel, Isaak"]
[Black "Mounier"]
[Result "1-0"]
[ECO "C11"]
[PlyCount "40"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "FRA"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Qb6 8. Na4 Qa5+ 9. c3 cxd4 10. b4 Qc7 11. Nxd4 a6 12. Qg4 Ncxe5 13. Nxe6 Qc6 14. Nxg7+ Kd8 15. fxe5 Nxe5 16. Bb6+ Qxb6 17. Qh4+ Be7 18. Qxe7+ Kxe7 19. Nxb6 Rb8 20. Nxd5+ Kd6 1-0

[Event "FRA corr"]
[Site "France"]
[Date "1988.??.??"]
[Round "?"]
[White "Esnault, Jean Loup"]
[Black "Mazel, Isaak"]
[Result "0-1"]
[ECO "A22"]
[PlyCount "62"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "FRA"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. e4 Nc6 4. Bd3 d6 5. b3 Be7 6. Bb2 0-0 7. h3 Be6 8. Nd5 Qd7 9. Ne2 Nh5 10. Rc1 f5 11. Nec3 fxe4 12. Bxe4 Nf4 13. Nxe7+ Qxe7 14. g3 Ng6 15. Nd5 Qf7 16. Qe2 Rae8 17. Qe3 Nd4 18. d3 c6 19. Nb4 Ne7 20. Nc2 Bf5 21. Nxd4 exd4 22. Qd2 Ng6 23. Bxd4 d5 24. Bc5 dxe4 25. d4 e3 26. fxe3 Rxe3+ 27. Qxe3 Re8 28. Rc3 Rxe3+ 29. Rxe3 b6 30. Ba3 Qd7 31. g4 Qxd4 0-1

[Event "corr"]
[Site "corr"]
[Date "1988.??.??"]
[Round "?"]
[White "Mazel, Isaak"]
[Black "Parant, Frederic"]
[Result "1-0"]
[ECO "C89"]
[PlyCount "59"]
[EventDate "1988.03.06"]
[EventType "match (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[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 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Re4 g5 16. Qf1 Qxf1+ 17. Kxf1 f5 18. Re1 f4 19. Nd2 Bh3+ 20. Kg1 Kh8 21. Ne4 Rae8 22. Bd2 Be7 23. c4 Nc7 24. d5 bxc4 25. Bc3+ Kg8 26. d6 cxb3 27. dxe7 Rxe7 28. Bb4 Rxe4 29. Rxe4 Rf7 30. axb3 1-0

[Event "FRA corr"]
[Site "France"]
[Date "1988.??.??"]
[Round "?"]
[White "Mazel, Isaak"]
[Black "Van Eeckhout, Guy"]
[Result "1-0"]
[ECO "B85"]
[PlyCount "63"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "FRA"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. f4 0-0 9. Kh1 Qc7 10. a4 Nc6 11. Be3 Re8 12. Qe1 Bd7 13. Qg3 Rac8 14. Rae1 d5 15. exd5 Nxd5 16. Nf5 Bf6 17. Nxd5 exd5 18. Bd3 Nb4 19. Nh6+ Kf8 20. Bxh7 Nxc2 21. Bxc2 Qxc2 22. f5 Rc6 23. Bf4 Rxe1 24. Rxe1 Qc5 25. Ng4 Qb6 26. Nxf6 Rxf6 27. Bg5 Rc6 28. Be7+ Kg8 29. f6 g6 30. b4 Rc2 31. Rf1 Be8 32. Qg5 1-0

[Event "FRA corr"]
[Site "France"]
[Date "1986.??.??"]
[Round "?"]
[White "Pach, Remi"]
[Black "Mazel, Isaak"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "65"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "FRA"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 d6 7. Bc4 Nb6 8. Bb3 dxe5 9. d5 Na5 10. Nc3 Nxb3 11. Qxb3 e6 12. dxe6 Bxe6 13. Qb5+ Qd7 14. Qxe5 Bb4 15. Qxg7 0-0-0 16. 0-0 Rdg8 17. Qf6 Bh3 18. Rd1 Rxg2+ 19. Kh1 Rhg8 20. Bg5 Rg4 21. Rg1 Nc4 22. b3 Nb2 23. Rxg4 Qxg4 24. Rg1 Qf5 25. Qxf5+ Bxf5 26. Nd5 Nd3 27. Be3 Rxg1+ 28. Kxg1 Be4 29. Nxb4 Nxb4 30. Nd2 Bg6 31. a3 Nc6 32. Kg2 Kd7 33. Kg3 1/2-1/2

[Event "Moscow-ch21"]
[Site "Moscow"]
[Date "1941.11.??"]
[Round "?"]
[White "Mazel, Isaak"]
[Black "Alatortsev, Vladimir"]
[Result "1-0"]
[ECO "A27"]
[PlyCount "81"]
[EventDate "1941.11.27"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "URS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nc2 d6 7. g3 Ne5 8. Ne3 Be6 9. Bg2 c6 10. Ne4 Ke7 11. 0-0 Nxc4 12. Nxc4 Bxc4 13. Bg5+ f6 14. Qd4 Bd5 15. Bf4 Bxe4 16. Qxe4+ Kf7 17. Qb4 Qb6 18. Qxd6 Rd8 19. Qa3 Ne7 20. e4 f5 21. e5 Rhe8 22. Rfe1 Nd5 23. Bg5 Rc8 24. Qd6 Ne7 25. Bf1 Rcd8 26. Bc4+ Kf8 27. Qe6 Nd5 28. Bxd8 Qxd8 29. Qd6+ Qxd6 30. exd6 Nb6 31. Rxe8+ Kxe8 32. Re1+ Kd8 33. Bg8 h6 34. b3 Bf8 35. Re6 g5 36. Rf6 Nd7 37. Rg6 f4 38. gxf4 gxf4 39. Bf7 b5 40. Rg8 c5 41. Be6 1-0

[Event "Moscow-ch21"]
[Site "Moscow"]
[Date "1941.11.??"]
[Round "?"]
[White "Mazel, Isaak"]
[Black "Zagoriansky, Evgeny"]
[Result "1-0"]
[ECO "D55"]
[PlyCount "131"]
[EventDate "1941.11.27"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "URS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 e6 3. Nc3 d5 4. Bg5 Be7 5. Qc2 Ne4 6. Bxe7 Qxe7 7. e3 Nxc3 8. bxc3 Nd7 9. Nf3 0-0 10. Bd3 g6 11. h4 dxc4 12. Bxc4 e5 13. h5 Kg7 14. 0-0-0 e4 15. Nd2 Nf6 16. Nf1 Bg4 17. Re1 Nxh5 18. Nd2 Nf6 19. f3 exf3 20. gxf3 Be6 21. e4 Bxc4 22. Nxc4 h5 23. Reg1 Rh8 24. Ne3 Qe6 25. Ng2 Qd6 26. Qb3 Qb6 27. e5 Nd7 28. Nf4 Qxb3 29. axb3 Kh6 30. e6 Nf8 31. e7 Nd7 32. Nd5 Rac8 33. Re1 c6 34. Ne3 Nf6 35. Nc4 Ne8 36. Re5 Kg7 37. f4 Rc7 38. Kd2 f6 39. Re2 Kf7 40. Rhe1 h4 41. Na5 Rh5 42. b4 Rf5 43. Re4 g5 44. fxg5 fxg5 45. R1e3 Kg6 46. c4 b6 47. Nb3 Kh5 48. Ke2 g4 49. Nd2 h3 50. Nf1 Rg5 51. Ng3+ Kg6 52. Rf4 Rc8 53. Rf8 Kh7 54. Re6 h2 55. Kf2 a5 56. bxa5 bxa5 57. Kg2 Rg6 58. Rxg6 Kxg6 59. Ne4 Rb8 60. Kxh2 a4 61. Nf6 Rb2+ 62. Kg3 Nc7 63. Nxg4 a3 64. Rc8 Kf7 65. Rxc7 a2 66. Nf6 1-0

[Event "URS-ch11 Semifinal"]
[Site "Leningrad"]
[Date "1938.06.13"]
[Round "17"]
[White "Mazel, Isaak"]
[Black "Romanovsky, Peter Arsenievich"]
[Result "0-1"]
[ECO "A30"]
[PlyCount "72"]
[EventDate "1938.05.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 c5 6. b3 Be7 7. Bb2 0-0 8. d4 cxd4 9. Bxd4 Nc6 10. Bb2 d5 11. Nbd2 Rc8 12. Rc1 dxc4 13. Nxc4 b5 14. Nce5 Qb6 15. Nxc6 Bxc6 16. Qd4 Qb7 17. Rfd1 Rfd8 18. Qe5 Rxd1+ 19. Rxd1 h6 20. Rc1 b4 21. h3 Bd5 22. Ne1 Rxc1 23. Bxc1 Bxg2 24. Nxg2 Ne4 25. Nf4 Bd6 26. Qd4 Bc5 27. Qd8+ Kh7 28. e3 Bd6 29. Bb2 Qc6 30. f3 Ng5 31. Bxg7 Kxg7 32. Nh5+ Kh7 33. Qf6 Be5 34. Qe7 Qxf3 35. h4 Qxe3+ 36. Kg2 Qe2+ 0-1

[Event "URS-ch11 Semifinal"]
[Site "Leningrad"]
[Date "1938.06.09"]
[Round "16"]
[White "Bondarevsky, Igor Tsakharovich"]
[Black "Mazel, Isaak"]
[Result "0-1"]
[ECO "D30"]
[PlyCount "68"]
[EventDate "1938.05.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Bd3 Nbd7 6. Nbd2 Be7 7. 0-0 0-0 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5 11. Rfd1 Rc8 12. Rac1 cxd4 13. exd4 dxc4 14. bxc4 Qc7 15. Ne5 Nxe5 16. dxe5 Nd7 17. Nf1 Rfd8 18. Bb1 Nc5 19. Rxd8+ Rxd8 20. Rc3 g6 21. Rh3 Qc6 22. Ne3 Ne4 23. Qe1 Nd2 24. Rg3 Nxc4 25. Nxc4 Qxc4 26. h3 Qd5 27. Kh2 Qd1 28. Qxd1 Rxd1 29. Bc2 Rd2 30. Rc3 Rxf2 31. Kg1 Rxg2+ 32. Kf1 Bc5 33. Bc1 Rg1+ 34. Ke2 Rxc1 0-1

[Event "URS-ch11 Semifinal"]
[Site "Leningrad"]
[Date "1938.06.08"]
[Round "15"]
[White "Mazel, Isaak"]
[Black "Sokolsky, Alexey Pavlovich"]
[Result "1/2-1/2"]
[ECO "D38"]
[PlyCount "83"]
[EventDate "1938.05.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. Ne5 Bd7 7. Nxc6 Bxc3+ 8. bxc3 Bxc6 9. Qc2 dxc4 10. Ba3 Ne4 11. Rb1 Qf6 12. e3 Qg6 13. Rd1 0-0-0 14. Rc1 Nd6 15. Qxg6 hxg6 16. f3 b5 17. Kf2 f5 18. Be2 Nf7 19. Bd1 e5 20. Bc2 Rhe8 21. g4 e4 22. Rcg1 Ng5 23. Rg3 Nxf3 24. gxf5 gxf5 25. Rxg7 Rh8 26. h3 Rd7 27. Rg6 Kb7 28. Bd1 Rdh7 29. Kg3 Be8 30. Rf6 Rg8+ 31. Kf2 Nh4 32. Rh2 Rhg7 33. Be2 Rg2+ 34. Rxg2 Rxg2+ 35. Kf1 Rh2 36. Rh6 Rxh3 37. Be7 Rh1+ 38. Kf2 Rh2+ 39. Kf1 Nf3 40. Rxh2 Nxh2+ 41. Kg2 Ng4 42. Bxg4 1/2-1/2

[Event "URS-ch11 Semifinal"]
[Site "Leningrad"]
[Date "1938.06.06"]
[Round "14"]
[White "Makogonov, Vladimir Andreevich"]
[Black "Mazel, Isaak"]
[Result "1-0"]
[ECO "A85"]
[PlyCount "69"]
[EventDate "1938.05.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. c4 c6 4. e3 Bd6 5. Nc3 f5 6. Qc2 Nf6 7. Bd3 Ne4 8. Ne5 Bxe5 9. dxe5 Nd7 10. f4 Qh4+ 11. g3 Qh6 12. Nxe4 dxe4 13. Be2 0-0 14. b3 c5 15. Ba3 a5 16. 0-0 b6 17. Rad1 a4 18. Bb2 g5 19. Rd6 Rf7 20. bxa4 Rg7 21. Qb3 Nf8 22. Rxb6 Qg6 23. Rd1 Bd7 24. a5 Rxa5 25. Rb8 Rf7 26. Qb6 Rxa2 27. Qxc5 Kg7 28. Rd2 Ba4 29. Rdd8 Nd7 30. Rg8+ Kh6 31. Rxg6+ hxg6 32. Qc7 Nxb8 33. Qxf7 Rxb2 34. fxg5+ Kxg5 35. Qf6+ 1-0

[Event "URS-ch11 Semifinal"]
[Site "Leningrad"]
[Date "1938.06.05"]
[Round "13"]
[White "Mazel, Isaak"]
[Black "Tolush, Alexander V"]
[Result "1/2-1/2"]
[ECO "C44"]
[PlyCount "26"]
[EventDate "1938.05.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 exd4 5. e5 Ne4 6. Qe2 d5 7. exd6 f5 8. Nbd2 Bxd6 9. Nxe4 fxe4 10. Qxe4+ Qe7 11. Qxe7+ Bxe7 12. Nxd4 Nxd4 13. cxd4 Be6 1/2-1/2

[Event "URS-ch11 Semifinal"]
[Site "Leningrad"]
[Date "1938.06.04"]
[Round "12"]
[White "Lisitsin, Georgy M"]
[Black "Mazel, Isaak"]
[Result "1-0"]
[ECO "A38"]
[PlyCount "84"]
[EventDate "1938.05.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 c5 6. e4 Nc6 7. 0-0 d6 8. d3 Nd7 9. Be3 Nde5 10. Nxe5 Nxe5 11. Qe2 Be6 12. Rad1 Qd7 13. Nd5 Nc6 14. Nf4 Nd4 15. Qd2 b5 16. Nxe6 Qxe6 17. e5 Rab8 18. Bxd4 cxd4 19. exd6 Qxd6 20. Rc1 bxc4 21. Rxc4 Qa6 22. b3 Rfc8 23. Rfc1 Be5 24. Bc6 Rc7 25. b4 Bd6 26. b5 Qc8 27. a4 Qg4 28. a5 h5 29. a6 Rb6 30. Qh6 Be5 31. Rc5 Bd6 32. R5c4 Be5 33. Re1 Bf6 34. h3 Qxh3 35. Bd5 Bg7 36. Bxf7+ Kf8 37. Qf4 e5 38. Bxg6+ Kg8 39. Qe4 Re7 40. Bf5 Qxf5 41. Qxf5 Rf6 42. Rc8+ Kf7 1-0

[Event "URS-ch11 Semifinal"]
[Site "Leningrad"]
[Date "1938.06.02"]
[Round "11"]
[White "Mazel, Isaak"]
[Black "Gothilf, Solomon Borisovich"]
[Result "0-1"]
[ECO "C44"]
[PlyCount "114"]
[EventDate "1938.05.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Bb5 f6 5. Qa4 Nge7 6. exd5 Qxd5 7. 0-0 Bd7 8. d4 e4 9. Nfd2 f5 10. Na3 Qd6 11. Ndc4 Qg6 12. Rd1 Nd5 13. Ne5 Nxe5 14. dxe5 c6 15. Rxd5 Bxa3 16. Rxd7 Kxd7 17. e6+ Ke8 18. Bxc6+ bxc6 19. Qxc6+ Ke7 20. Qd7+ Kf8 21. bxa3 Re8 22. Qd6+ Kg8 23. Rb1 h6 24. Be3 Kh7 25. Bxa7 Rxe6 26. Qf4 Qf7 27. Bd4 Ra8 28. Rb5 Rf8 29. h3 g5 30. Qd2 Rd8 31. h4 Kg6 32. hxg5 hxg5 33. a4 Qh7 34. a5 Red6 35. Rb6 g4 36. Qe2 Qh6 37. Qe3 Qxe3 38. fxe3 g3 39. Kf1 Kf7 40. Ke2 Rxb6 41. axb6 Ra8 42. Kd1 Ke6 43. a4 Kd6 44. b7 Rb8 45. a5 Rxb7 46. Kc2 Kc6 47. Be5 Kb5 48. Kb3 Kc5+ 49. Kc2 Kc4 50. Bd4 Kb5 51. Bb6 Rh7 52. c4+ Ka6 53. c5 Rh2 54. c6 Rxg2+ 55. Kc3 Rg1 56. c7 Rc1+ 57. Kd2 g2 0-1

[Event "URS-ch11 Semifinal"]
[Site "Leningrad"]
[Date "1938.06.01"]
[Round "10"]
[White "Rabinovich, Ilya Leontievich"]
[Black "Mazel, Isaak"]
[Result "1-0"]
[ECO "A84"]
[PlyCount "65"]
[EventDate "1938.05.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. c4 c6 4. e3 f5 5. Bd3 Bd6 6. Qc2 Qf6 7. Nc3 Ne7 8. b3 0-0 9. Bb2 Nd7 10. 0-0-0 a6 11. h3 b5 12. c5 Bc7 13. g4 fxg4 14. Bxh7+ Kf7 15. Ne5+ Nxe5 16. dxe5 Bxe5 17. hxg4 g5 18. f4 gxf4 19. Rh5 Rd8 20. Rxe5 Qxe5 21. Ne4 Qc7 22. Nd6+ Rxd6 23. Be5 Rd7 24. Bxc7 Rxc7 25. Qh2 e5 26. Qh5+ Kf6 27. g5+ Ke6 28. Qh6+ Kd7 29. Qd6+ Ke8 30. Qxc7 Bg4 31. Rg1 f3 32. Qxe5 f2 33. Rf1 1-0

[Event "URS-ch11 Semifinal"]
[Site "Leningrad"]
[Date "1938.05.30"]
[Round "9"]
[White "Mazel, Isaak"]
[Black "Veresov, Gavriil N"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "36"]
[EventDate "1938.05.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. c3 Bd6 6. Ne2 Nge7 7. Bf4 Bg4 8. Qd2 0-0 9. 0-0 Re8 10. Bxd6 Qxd6 11. Qf4 Qxf4 12. Nxf4 Rad8 13. Nd2 Ng6 14. Nxg6 hxg6 15. Bb5 Bd7 16. Rfe1 Kf8 17. f3 Rxe1+ 18. Rxe1 Re8 1/2-1/2

[Event "URS-ch11 Semifinal"]
[Site "Leningrad"]
[Date "1938.05.29"]
[Round "8"]
[White "Poliak, Abram Borisovich"]
[Black "Mazel, Isaak"]
[Result "1-0"]
[ECO "D30"]
[PlyCount "93"]
[EventDate "1938.05.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. c4 c6 4. Qc2 Nd7 5. Bf4 Ngf6 6. Nbd2 Be7 7. e3 0-0 8. Bd3 dxc4 9. Nxc4 Nb6 10. Nxb6 axb6 11. 0-0 h6 12. a3 Bd6 13. Bxd6 Qxd6 14. e4 Qe7 15. Qb3 Qc7 16. Rac1 Rd8 17. e5 Nd5 18. Bb1 b5 19. Qd3 g6 20. h4 h5 21. Rfe1 Qe7 22. Ng5 Bd7 23. Qe4 Kg7 24. Red1 b4 25. axb4 Ra4 26. Rc3 Nxc3 27. bxc3 Ra1 28. Qf4 Rda8 29. Ne4 Rh8 30. Bc2 Rxd1+ 31. Bxd1 b6 32. Bf3 Bc8 33. Nf6 Bd7 34. Qg5 Kf8 35. c4 Be8 36. c5 bxc5 37. dxc5 Qc7 38. g3 Bd7 39. Ne4 Be8 40. Qf6 Rh6 41. Nd6 Qe7 42. Qxe7+ Kxe7 43. Nxe8 Kxe8 44. Bxc6+ Ke7 45. Bb7 Rh8 46. b5 Rb8 47. c6 1-0

[Event "URS-ch11 Semifinal"]
[Site "Leningrad"]
[Date "1938.05.27"]
[Round "7"]
[White "Mazel, Isaak"]
[Black "Botvinnik, Mikhail"]
[Result "0-1"]
[ECO "A19"]
[PlyCount "22"]
[EventDate "1938.05.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 c5 4. f4 Nc6 5. Nf3 d5 6. e5 Ng4 7. cxd5 exd5 8. Qb3 Nb4 9. a3 c4 10. Qa4+ Bd7 11. Qd1 Qb6 0-1

[Event "URS-ch11 Semifinal"]
[Site "Leningrad"]
[Date "1938.05.26"]
[Round "6"]
[White "Abramian, Suren"]
[Black "Mazel, Isaak"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "35"]
[EventDate "1938.05.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. d3 Bc5 4. Nc3 Nf6 5. Nf3 d6 6. Bg5 Be6 7. Nd5 Bxd5 8. Bxd5 h6 9. Bxf6 Qxf6 10. c3 0-0 11. 0-0 Nd8 12. d4 Bb6 13. a4 a5 14. dxe5 dxe5 15. Nd2 c6 16. Bc4 Bc7 17. Qf3 Qxf3 18. Nxf3 1/2-1/2

[Event "URS-ch11 Semifinal"]
[Site "Leningrad"]
[Date "1938.05.25"]
[Round "5"]
[White "Mazel, Isaak"]
[Black "Budo, Alexander Semionovi"]
[Result "0-1"]
[ECO "B16"]
[PlyCount "114"]
[EventDate "1938.05.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Nf3 h5 8. Nh4 Bg4 9. f3 Bc8 10. f4 f5 11. Bc4 e6 12. Nf3 Nd7 13. 0-0 Nf6 14. Re1 Bd6 15. a4 Qc7 16. Qc2 Kf8 17. Ne5 Bd7 18. Bd2 Be8 19. Rad1 Ne4 20. Be3 Rd8 21. Bc1 Nf6 22. Qb3 Nd5 23. Bd3 Qb6 24. Qc2 Qc7 25. Qb3 Qb6 26. Qc2 Qc7 27. Bxf5 exf5 28. Qxf5 Qc8 29. Ng6+ Kg7 30. Qxc8 Rxc8 31. Nxh8 Kxh8 32. g3 c5 33. Kf2 c4 34. a5 Bd7 35. Bd2 Kg7 36. Bc1 f5 37. Rd2 Nf6 38. Rde2 Ne4+ 39. Kf1 Bc6 40. d5 Bxd5 41. Rd1 Rc5 42. Be3 Rxa5 43. Bxa7 Kf6 44. Bb6 Rb5 45. Bd4+ Kf7 46. Ra1 h4 47. gxh4 Bxf4 48. Ra8 Nd2+ 49. Ke1 Rxb2 50. Be3 Bxe3 51. Rxe3 Nf3+ 52. Kd1 Be4 53. Rc8 b5 54. h5 Rxh2 55. Rb8 Rxh5 56. Rxb5 Rh2 57. Rc5 Kf6 0-1

[Event "URS-ch11 Semifinal"]
[Site "Leningrad"]
[Date "1938.05.23"]
[Round "4"]
[White "Ilyin Zhenevsky, Alexander"]
[Black "Mazel, Isaak"]
[Result "0-1"]
[ECO "C13"]
[PlyCount "80"]
[EventDate "1938.05.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Nbd7 6. Nf3 Be7 7. Nxf6+ Nxf6 8. c3 0-0 9. Qc2 b6 10. Bd3 h6 11. Bxf6 Bxf6 12. Bh7+ Kh8 13. Be4 Rb8 14. 0-0-0 Bb7 15. h4 Bxe4 16. Qxe4 Qd5 17. Qxd5 exd5 18. g4 Rbe8 19. g5 Be7 20. Ne5 Bd6 21. f4 Kh7 22. Rhe1 f6 23. Nd7 Bxf4+ 24. Kc2 fxg5 25. Nxf8+ Rxf8 26. h5 Rf7 27. Re6 Bd6 28. Kd3 Rf3+ 29. Re3 Rxe3+ 30. Kxe3 g6 31. hxg6+ Kxg6 32. Kf2 h5 33. Re1 g4 34. Re8 h4 35. b4 h3 36. a4 g3+ 37. Kg1 Kf5 38. Rh8 Kg4 39. Rh7 Bf4 40. Kf1 g2+ 0-1

[Event "URS-ch11 Semifinal"]
[Site "Leningrad"]
[Date "1938.05.22"]
[Round "3"]
[White "Kasparian, Genrikh Moiseevich"]
[Black "Mazel, Isaak"]
[Result "0-1"]
[ECO "C10"]
[PlyCount "58"]
[EventDate "1938.05.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Be7 7. Nxf6+ Nxf6 8. Qe2 0-0 9. Bd2 b6 10. 0-0-0 Bb7 11. c3 c5 12. dxc5 Qd5 13. Ng5 Qxa2 14. Bb1 Qa1 15. Be3 h6 16. h4 bxc5 17. Qc2 Rfd8 18. Nh7 Nd5 19. Bg5 hxg5 20. hxg5 g6 21. Rh6 Ne3 22. Rxg6+ fxg6 23. Qxg6+ Kh8 24. Rh1 Rd1+ 25. Rxd1 Nxd1 26. Nf6 Qxb2+ 27. Kxd1 Rd8+ 28. Ke1 Qd2+ 29. Kf1 Ba6+ 0-1

[Event "URS-ch11 Semifinal"]
[Site "Leningrad"]
[Date "1938.05.21"]
[Round "2"]
[White "Mazel, Isaak"]
[Black "David, Michael"]
[Result "1-0"]
[ECO "E85"]
[PlyCount "80"]
[EventDate "1938.05.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Be3 Nc6 7. Nge2 e5 8. d5 Ne7 9. g4 Ne8 10. Qd2 f5 11. gxf5 gxf5 12. Bh6 f4 13. Bxg7 Nxg7 14. 0-0-0 Ng6 15. Kb1 Nh4 16. Ng1 Rf6 17. Qf2 Rg6 18. Nb5 c5 19. dxc6 bxc6 20. Nxa7 Bd7 21. Rd3 Rh6 22. Ra3 Ne6 23. Bh3 Nd4 24. Bxd7 Qxd7 25. Nb5 Rxa3 26. Nxa3 d5 27. Nc2 Nxc2 28. Qxc2 dxe4 29. fxe4 f3 30. Nxf3 Nxf3 31. Qg2+ Qg7 32. Qxf3 Rf6 33. Qh5 Qf7 34. Qxf7+ Kxf7 35. a4 Rf4 36. a5 Rxe4 37. a6 Rd4 38. Kc2 c5 39. Ra1 Rd8 40. Ra5 Ke6 1-0

[Event "URS-ch11 Semifinal"]
[Site "Leningrad"]
[Date "1938.05.20"]
[Round "1"]
[White "Chekhover, Vitaly A"]
[Black "Mazel, Isaak"]
[Result "1/2-1/2"]
[ECO "C41"]
[PlyCount "87"]
[EventDate "1938.05.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. 0-0 Be7 6. Qe2 Ngf6 7. Bb3 exd4 8. Nxd4 Nc5 9. Nc3 0-0 10. Rd1 Re8 11. Bf4 Bf8 12. f3 d5 13. Qf2 Nh5 14. Be3 Qe7 15. Bxd5 cxd5 16. Nxd5 Qe5 17. g4 Nxe4 18. fxe4 Qxe4 19. Nc7 Qxg4+ 20. Qg2 Rxe3 21. Nxa8 Qh4 22. Qf2 Qg5+ 23. Qg2 Qe5 24. Nf3 Qf6 25. Nc7 Qxf3 26. Qxf3 Rxf3 27. Rd8 Bh3 28. Re1 g6 29. Nb5 Kg7 30. Nd4 Bc5 31. b4 Bb6 32. Rd6 Rf4 33. c3 Nf6 34. Rxb6 axb6 35. Ne2 Re4 36. Kf2 Be6 37. Rg1 Ng4+ 38. Ke1 Bxa2 39. Kd2 Bc4 40. Ng3 Re5 41. h3 Nf2 42. Kc1 Re3 43. Nf5+ Kf6 44. Nxe3 1/2-1/2

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.03.13"]
[Round "21"]
[White "Mazel, Isaak"]
[Black "Chekhover, Vitaly A"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "183"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nbd7 7. g4 e5 8. d5 Ne8 9. h4 f5 10. g5 f4 11. Bf2 a5 12. Bh3 Nc5 13. Qd2 Bxh3 14. Nxh3 Rf7 15. 0-0-0 Bf8 16. h5 Ng7 17. hxg6 hxg6 18. Bh4 Nh5 19. Nf2 Rh7 20. Ng4 Be7 21. Rdg1 Kf7 22. Nd1 Qd7 23. Nc3 Rah8 24. Bf2 b6 25. Nh6+ Ke8 26. Bxc5 bxc5 27. Rxh5 gxh5 28. Nf5 Rf7 29. Nb5 Bd8 30. Qxa5 Rxf5 31. exf5 Qxf5 32. Qd2 h4 33. g6 Rg8 34. Qg2 Kd7 35. Na7 Bf6 36. a4 Re8 37. a5 Bg7 38. Rh1 e4 39. Rxh4 exf3 40. Qxf3 Re3 41. Qg4 Qxg4 42. Rxg4 Rg3 43. Rh4 f3 44. Kd2 Rxg6 45. Ke3 Rf6 46. Kf2 Rf7 47. Nc6 Bd4+ 48. Nxd4 cxd4 49. Rxd4 Kc8 50. b4 Kb7 51. b5 Rf8 52. Rh4 Rf7 53. Rg4 Ka7 54. Rh4 Kb7 55. Rg4 Ka7 56. Re4 Kb7 57. Rh4 Ka7 58. Rg4 Kb7 59. Re4 Ka7 60. Rd4 Kb7 61. Rd3 Rf4 62. Rc3 Rh4 63. Kg3 f2 64. Kxf2 Rh2+ 65. Ke3 Ra2 66. a6+ Kb6 67. Kd4 Rh2 68. Re3 Rh8 69. Re7 Rg8 70. Kc3 Rh8 71. Kb4 Rg8 72. Re6 Ka7 73. Ka5 Rg1 74. Re8 Ra1+ 75. Kb4 Rb1+ 76. Kc3 Rc1+ 77. Kb3 Rb1+ 78. Kc2 Ra1 79. Kb2 Rh1 80. Rc8 Rh7 81. Kb3 Kb6 82. Rb8+ Ka7 83. Rb7+ Ka8 84. Kb4 Rg7 85. b6 Rg1 86. Rxc7 Rb1+ 87. Ka5 Ra1+ 88. Kb5 Kb8 89. Rb7+ Ka8 90. Rh7 Rb1+ 91. Kc6 Rh1 92. Rxh1 1-0

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.02.15"]
[Round "1"]
[White "Zagoriansky, Evgeny"]
[Black "Mazel, Isaak"]
[Result "1-0"]
[ECO "D21"]
[PlyCount "69"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 c5 4. d5 b5 5. e4 Nf6 6. a4 Nxe4 7. axb5 Nd7 8. Bxc4 Nb6 9. Qd3 Nf6 10. Nc3 Nxc4 11. Qxc4 e6 12. dxe6 Bxe6 13. Qa4 Qb6 14. 0-0 Be7 15. Ng5 Bf5 16. Re1 h6 17. Qf4 Bg6 18. Nf3 Kf8 19. Ne5 Bd6 20. Ra6 Bxe5 21. Qxe5 Re8 22. Rxb6 Rxe5 23. Rb8+ Re8 24. Rexe8+ Nxe8 25. Be3 Ke7 26. Bxc5+ Kd7 27. Bxa7 Rg8 28. Be3 Nf6 29. Rb7+ Ke6 30. Rb6+ Kd7 31. Bxh6 Ne4 32. Be3 Ra8 33. h4 Nd6 34. Ra6 Rb8 35. Rxd6+ 1-0

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "12"]
[White "Budo, Alexander Semionovi"]
[Black "Mazel, Isaak"]
[Result "1/2-1/2"]
[ECO "D65"]
[PlyCount "87"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Nbd7 5. e3 Be7 6. Nc3 0-0 7. Rc1 a6 8. cxd5 exd5 9. Qc2 Re8 10. Bd3 c6 11. 0-0 h6 12. Bf4 Nh5 13. Nxd5 Nxf4 14. Nxf4 Nf6 15. Bc4 Bd6 16. Ng6 Be6 17. Bxe6 Rxe6 18. Qb3 Nd7 19. Nf4 Bxf4 20. exf4 Qb6 21. Rc3 Qb5 22. a4 Qxb3 23. Rxb3 Rb8 24. Rc1 Rd6 25. g3 Kf8 26. Ne5 Ke8 27. Re1 Kf8 28. Rc1 Ke8 29. Rc4 f6 30. Nf3 Kd8 31. Nh4 Rd5 32. Ng2 c5 33. Ne3 Rxd4 34. Rxd4 cxd4 35. Nf5 Nc5 36. Rb4 d3 37. Rd4+ Kc7 38. b4 Nxa4 39. Rxd3 Rg8 40. Re3 Kb6 41. Re7 Nc3 42. Nxg7 Nd5 43. Rf7 Nxb4 44. Nf5 1/2-1/2

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "3"]
[White "Gothilf, Solomon Borisovich"]
[Black "Mazel, Isaak"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "96"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. e4 e6 6. e5 Qb6 7. Nf3 Bd7 8. Be2 Nge7 9. Na4 Qc7 10. 0-0 Nf5 11. a3 Be7 12. Bf4 g5 13. Bxg5 Nfxd4 14. Nxd4 Bxg5 15. f4 Be7 16. Rc1 Qa5 17. b4 Qd8 18. Nc5 Nxd4 19. Qxd4 Qb6 20. f5 Bxc5 21. bxc5 Qa5 22. fxe6 Bxe6 23. Rb1 Qc7 24. Bb5+ Kf8 25. Rf6 Rg8 26. Rbf1 Qe7 27. Bd3 Rg7 28. Kh1 Rc8 29. Bf5 Bxf5 30. R6xf5 Qxc5 31. Qxc5+ Rxc5 32. e6 Ke7 33. exf7 Kf8 34. g3 b6 35. R1f2 d4 36. R5f4 Rd5 37. Rd2 Rxf7 38. Rdxd4 Rxd4 39. Rxd4 Rf3 40. Rd7 Rxa3 41. Rxh7 a5 42. Rb7 Rb3 43. Kg2 a4 44. h4 a3 45. h5 Rb2+ 46. Kh3 a2 47. Ra7 b5 48. h6 Kg8 0-1

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "8"]
[White "Kopaev, Nikolay Antonovich"]
[Black "Mazel, Isaak"]
[Result "1-0"]
[ECO "A90"]
[PlyCount "137"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Bb4+ 5. Bd2 Be7 6. Nc3 0-0 7. Qb3 Kh8 8. e4 fxe4 9. Nxe4 d5 10. Nxf6 Bxf6 11. Nf3 Nc6 12. Bc3 dxc4 13. Qxc4 Qd5 14. Qd3 Nxd4 15. Bxd4 c5 16. 0-0 cxd4 17. Rfe1 Qd6 18. Nd2 Rb8 19. Be4 h6 20. Qe2 Bd7 21. Bb1 Qd5 22. Qd3 Qf5 23. Qe2 Bb5 24. Nc4 Qg5 25. f4 Qd5 26. Qd3 Qf5 27. Qd1 d3 28. Ne5 Rbd8 29. a4 Ba6 30. b4 b6 31. b5 Bb7 32. Bxd3 Rxd3 33. Qxd3 Bxe5 34. Qxf5 Bd4+ 35. Kf1 exf5 36. Rad1 Bc5 37. Rd7 Rb8 38. Rc1 a6 39. Rcd1 axb5 40. axb5 Bf3 41. Re1 Rb7 42. Rd8+ Kh7 43. Ree8 Ra7 44. Re1 Ra2 45. Ree8 Ra1+ 46. Re1 Bg2+ 47. Ke2 Bf3+ 48. Kf1 Ra2 49. Ree8 Rxh2 50. Ke1 Bb4+ 51. Kf1 Rh1+ 52. Kf2 Bc5+ 53. Kxf3 Rf1+ 54. Kg2 Rf2+ 55. Kh3 Rb2 56. Rd5 Rxb5 57. Rxf5 Rb3 58. Rf7 Kg6 59. Rd7 Bf2 60. f5+ Kf6 61. Rf8+ Ke5 62. Rxg7 Bc5 63. Rff7 b5 64. Rg6 h5 65. Re6+ Kd4 66. Rd7+ Kc4 67. Re4+ Kc3 68. f6 Rb2 69. f7 1-0

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "16"]
[White "Lilienthal, Andor"]
[Black "Mazel, Isaak"]
[Result "1/2-1/2"]
[ECO "C10"]
[PlyCount "31"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Nbd7 6. Nxf6+ Nxf6 7. Nf3 Be7 8. Bd3 0-0 9. Qe2 h6 10. Bxf6 Bxf6 11. 0-0-0 c5 12. Qe4 g6 13. h4 Bd7 14. Ne5 Bc6 15. Nxc6 bxc6 16. h5 1/2-1/2

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "9"]
[White "Mazel, Isaak"]
[Black "Alatortsev, Vladimir"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "65"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 g6 4. Nf3 c5 5. c3 Nbd7 6. 0-0 Qc7 7. Nbd2 Bg7 8. e4 cxd4 9. Nxd4 0-0 10. Nb5 Qb6 11. exd5 Nxd5 12. a4 a6 13. a5 Qd8 14. Nd4 Nc5 15. Bc4 e5 16. N4b3 Ne6 17. Ne4 Nec7 18. Nbc5 Kh8 19. Qb3 f5 20. Bg5 Nf6 21. Rad1 Qe7 22. Nd6 h6 23. Bc1 Nce8 24. Qb6 Nxd6 25. Rxd6 g5 26. Rfd1 f4 27. Ne6 Bxe6 28. Rxe6 Qf7 29. Rdd6 Rac8 30. Bb3 Qg6 31. Rxe5 Nd7 32. Rxg6 Rxc3 33. Rxh6+ 1-0

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "18"]
[White "Mazel, Isaak"]
[Black "Bastrikov, Georgy Vladimirovic"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "122"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 Qxd5 4. Nf3 Nf6 5. Nc3 Qa5 6. Bd2 Qb6 7. Qc2 Bg4 8. Na4 Qc7 9. Ne5 Nbd7 10. Nxg4 Nxg4 11. e4 e5 12. d5 Rc8 13. dxc6 Qxc6 14. Qxc6 Rxc6 15. Bb5 Rc7 16. 0-0 Bd6 17. Rfd1 Ke7 18. Nc3 Ngf6 19. Bg5 Nb6 20. a4 a5 21. Ne2 h6 22. Ng3 Ke6 23. Nf5 Bf8 24. Bxf6 Kxf6 25. Rd8 Rc8 26. Rad1 g6 27. Ne3 Bc5 28. Rxc8 Rxc8 29. Ng4+ Ke6 30. Nxh6 f5 31. exf5+ gxf5 32. g4 fxg4 33. Nxg4 Bd4 34. b3 Rc3 35. Rd3 Rc2 36. Kg2 Rb2 37. Kg3 Nd5 38. Bc4 Kd6 39. h4 Ne7 40. Rf3 e4 41. Rf4 Be5 42. Nxe5 Kxe5 43. Kg4 Rb1 44. Rf7 Rg1+ 45. Kh3 Nf5 46. Rxb7 Nd4 47. Re7+ Kf4 48. Rf7+ Ke5 49. Rf8 Nf3 50. Be2 Nd4 51. Bc4 Nf3 52. Be2 Nd4 53. f4+ exf3 54. Bxf3 Nf5 55. Re8+ Kf6 56. Rf8+ Ke6 57. Be4 Nd6 58. Bh7 Rh1+ 59. Kg4 Rg1+ 60. Kh3 Ke5 61. Ra8 Kf4 0-1

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "13"]
[White "Mazel, Isaak"]
[Black "Grechkin, Dmitry Makarovich"]
[Result "1-0"]
[ECO "E07"]
[PlyCount "65"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 0-0 6. 0-0 Nbd7 7. b3 dxc4 8. bxc4 c5 9. e3 Qc7 10. Qb3 Nb6 11. Ba3 Bd7 12. Nc3 Bc6 13. Nb5 Qc8 14. Rfd1 Rd8 15. Rab1 Ne4 16. Ne5 Bxb5 17. cxb5 c4 18. Qc2 Bxa3 19. Bxe4 f5 20. Bg2 Bd6 21. Nf3 Nd5 22. Nd2 c3 23. Bxd5 exd5 24. Nb3 Qc4 25. Nc1 Rac8 26. Rb3 Qa4 27. Ne2 Bb4 28. Rd3 Rc4 29. Kg2 Rdc8 30. Nf4 Rd8 31. a3 Qxb3 32. Qxb3 c2 33. Ne2 1-0

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "9"]
[White "Mazel, Isaak"]
[Black "Kamishov, Mikhail Pavlovich"]
[Result "1/2-1/2"]
[ECO "D06"]
[PlyCount "35"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. e3 Bf5 3. c4 e6 4. Nc3 c6 5. Qb3 Qb6 6. Qxb6 axb6 7. Nf3 Nd7 8. Be2 h6 9. 0-0 Ngf6 10. Bd2 Be7 11. Rac1 0-0 12. Ne1 Ra7 13. cxd5 exd5 14. Bd3 Bxd3 15. Nxd3 b5 16. b3 Rfa8 17. Rc2 Ne4 18. Be1 1/2-1/2

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "2"]
[White "Mazel, Isaak"]
[Black "Kotov, Alexander"]
[Result "1/2-1/2"]
[ECO "D61"]
[PlyCount "88"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bg5 0-0 6. e3 Nbd7 7. Qc2 c5 8. Rd1 h6 9. Bh4 Qa5 10. Be2 dxc4 11. Bxc4 Nb6 12. Be2 cxd4 13. exd4 Bd7 14. 0-0 Rac8 15. Qb3 Nbd5 16. Nxd5 Qxd5 17. Qxd5 Nxd5 18. Bxe7 Nxe7 19. Rd2 Bc6 20. Ne5 Rfd8 21. Bf3 Bd5 22. Bxd5 Rxd5 23. Rfd1 Nf5 24. Nf3 Ra5 25. a3 Rb5 26. Kf1 Ne7 27. Re2 Rb3 28. Rdd2 Rc1+ 29. Re1 Rc7 30. Ree2 Rc1+ 31. Re1 Rc7 32. Ree2 Rc1+ 33. Re1 Rc8 34. Ree2 Rb6 35. Rc2 Rbc6 36. Rxc6 Rxc6 37. Ke1 Nd5 38. Kd2 Rc4 39. g3 g5 40. Kd3 Rc1 41. Rc2 Rh1 42. Rc8+ Kg7 43. Rb8 b6 44. Rb7 Rd1+ 1/2-1/2

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "17"]
[White "Mazel, Isaak"]
[Black "Levitas, B."]
[Result "1-0"]
[ECO "E33"]
[PlyCount "91"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Qc2 Nc6 4. Nf3 Bb4+ 5. Nc3 d6 6. Bg5 Qe7 7. d5 Bxc3+ 8. Qxc3 Nb8 9. dxe6 fxe6 10. g3 0-0 11. Bg2 Nc6 12. 0-0 e5 13. Rad1 Qf7 14. Qe3 Qh5 15. Bxf6 Rxf6 16. Ng5 Nd4 17. Bd5+ Kf8 18. f4 Nxe2+ 19. Kh1 exf4 20. Qxe2 Qxg5 21. Rde1 Qe5 22. Qd3 Qf5 23. Qd4 Bd7 24. Rxf4 Qg5 25. Ref1 Re8 26. h4 Qe5 27. Rxf6+ gxf6 28. Rxf6+ Ke7 29. Qxe5+ dxe5 30. Rf7+ Kd6 31. Rxh7 e4 32. Kg2 c6 33. c5+ Kxc5 34. Bxe4 Rxe4 35. Rxd7 Re2+ 36. Kh3 Rxb2 37. h5 Rxa2 38. h6 Ra1 39. h7 Rh1+ 40. Kg2 Rh6 41. g4 b5 42. g5 Rh5 43. g6 Rh6 44. Kf3 b4 45. Rxa7 b3 46. Rb7 1-0

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "7"]
[White "Mazel, Isaak"]
[Black "Lisitsin, Georgy M"]
[Result "1/2-1/2"]
[ECO "E06"]
[PlyCount "83"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 d5 8. Ne5 c6 9. e4 dxc4 10. a4 Ba6 11. Be3 Nfd7 12. Nxd7 Nxd7 13. f4 c5 14. d5 exd5 15. exd5 Bf6 16. Re1 Re8 17. Bf2 Rxe1+ 18. Qxe1 Qf8 19. Qd2 Bxc3 20. bxc3 Nf6 21. d6 Rd8 22. Rd1 Bc8 23. a5 Bg4 24. axb6 axb6 25. Ra1 Rxd6 26. Qb2 h5 27. h3 Be6 28. Ra8 Rd8 29. Ra6 Nd7 30. Qe2 g6 31. g4 hxg4 32. hxg4 Qh6 33. Bg3 Nf6 34. Rxb6 Bxg4 35. Qe7 Rd1+ 36. Kf2 Rd2+ 37. Kg1 Nd7 38. Rd6 Rxd6 39. Qxd6 Qg7 40. Bd5 Qxc3 41. Qxg6+ Qg7 42. Bxf7+ 1/2-1/2

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "15"]
[White "Mazel, Isaak"]
[Black "Panov, Vasily N"]
[Result "1-0"]
[ECO "E60"]
[PlyCount "41"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bg7 5. b3 0-0 6. Bb2 Nbd7 7. e3 e5 8. dxe5 dxe5 9. Be2 Re8 10. 0-0 c6 11. Qd2 Qc7 12. Ba3 Bf8 13. Bxf8 Nxf8 14. Rfd1 e4 15. Ne1 Ng4 16. Qd6 Qxd6 17. Rxd6 Nh6 18. Rad1 f5 19. Nc2 Be6 20. Nd4 Rad8 21. Nxf5 1-0

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "4"]
[White "Mazel, Isaak"]
[Black "Rovner, Dmitry Osipovich"]
[Result "1/2-1/2"]
[ECO "E19"]
[PlyCount "46"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 0-0 9. 0-0 f5 10. b3 Bf6 11. Bb2 Nc6 12. Rad1 d6 13. Rd2 Qe8 14. Rfd1 Qh5 15. Qc2 Rae8 16. a3 e5 17. dxe5 Nxe5 18. Nxe5 Bxg2 19. Kxg2 Bxe5 20. Bxe5 Rxe5 21. e3 g5 22. Rd5 Rfe8 23. Rxe5 Rxe5 1/2-1/2

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "14"]
[White "Ragozin, Viacheslav"]
[Black "Mazel, Isaak"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "99"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bd3 Ngf6 6. Ne2 Be7 7. 0-0 0-0 8. N2g3 b6 9. c4 Bb7 10. Qc2 h6 11. Be3 Nxe4 12. Bxe4 Bxe4 13. Qxe4 Nf6 14. Qf3 Qd7 15. Rfd1 c6 16. Ne2 Ne8 17. Rac1 Rc8 18. Nf4 Nd6 19. Nd3 Nf5 20. Ne5 Qc7 21. Qe4 Nxe3 22. fxe3 Bf6 23. Ng4 Bg5 24. Rc3 Rfd8 25. Rf1 Qd6 26. Qf3 Rc7 27. c5 Qd5 28. Qg3 Rdc8 29. b3 Qe4 30. cxb6 axb6 31. Ne5 c5 32. dxc5 Rxc5 33. Nc4 R8c6 34. a4 Rd5 35. Qf3 Qxf3 36. gxf3 Bf6 37. Rcc1 Rd3 38. Rb1 Be7 39. Rfd1 Rc3 40. Rdc1 Rd3 41. Kf2 Bc5 42. Ke2 Rd8 43. Nxb6 Rxb6 44. Rxc5 Rdb8 45. Rc3 Rb4 46. a5 R8b5 47. Ra1 Rxb3 48. Rxb3 Rxb3 49. a6 Rb8 50. Kd3 1-0

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "10"]
[White "Shamaev, Leonid Ivanovich"]
[Black "Mazel, Isaak"]
[Result "1-0"]
[ECO "A25"]
[PlyCount "53"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. Bg2 Nf6 5. e3 Be7 6. Nge2 0-0 7. 0-0 Qe8 8. d4 e4 9. Nf4 Bd8 10. b3 g5 11. Nfd5 Ne7 12. Nxf6+ Rxf6 13. f3 exf3 14. Qxf3 Ng6 15. Qd5+ Kh8 16. Qf3 d6 17. Bb2 Kg8 18. Rae1 Rf8 19. c5 dxc5 20. Qd5+ Qe6 21. Qxc5 Qb6 22. Qc4+ Be6 23. Bd5 Bxd5 24. Nxd5 Qe6 25. Ne7+ Kf7 26. Rxf5+ Kxe7 27. Ba3+ 1-0

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "20"]
[White "Sokolsky, Alexey Pavlovich"]
[Black "Mazel, Isaak"]
[Result "1/2-1/2"]
[ECO "A28"]
[PlyCount "40"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 d6 5. d4 Bg4 6. Be2 g6 7. b3 Bg7 8. Bb2 0-0 9. 0-0 exd4 10. Nxd4 Ne5 11. Bxg4 Nexg4 12. Qe2 Re8 13. Rad1 Qe7 14. Nf3 Rad8 15. h3 Nh6 16. Rd2 Rd7 17. Rfd1 Qe6 18. Nd5 Nxd5 19. Rxd5 Bxb2 20. Qxb2 Nf5 1/2-1/2

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "6"]
[White "Tolush, Alexander V"]
[Black "Mazel, Isaak"]
[Result "1/2-1/2"]
[ECO "C05"]
[PlyCount "138"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 Nc6 7. f4 Qb6 8. Nf3 Be7 9. g3 0-0 10. Bh3 cxd4 11. cxd4 Bb4+ 12. Kf2 Rd8 13. Kg2 Nf8 14. Qd3 Be7 15. g4 Bd7 16. Nc3 Qa6 17. Qe3 Nb4 18. Qf2 Nd3 19. Qg3 Rdc8 20. Rb1 b5 21. a3 b4 22. axb4 Bxb4 23. Bd2 Bxc3 24. bxc3 Qa2 25. Ra1 Qc2 26. Ra3 Ng6 27. Kg1 Rcb8 28. Ra1 Rb1+ 29. Rxb1 Qxb1+ 30. Bf1 a5 31. Kg2 a4 32. Bxd3 Qxd3 33. Ra1 Rb8 34. f5 Nf8 35. Qf4 Rb2 36. Kg3 Rb1 37. Rxb1 Qxb1 38. fxe6 Nxe6 39. Qf5 Qxf5 40. gxf5 Nc7 41. Kf4 a3 42. Bc1 a2 43. Bb2 Nb5 44. Ne1 Na3 45. Nd3 Nc2 46. Nb4 a1Q 47. Bxa1 Nxa1 48. Nxd5 Kf8 49. Nb6 Ke7 50. f6+ gxf6 51. Nd5+ Kd8 52. Nxf6 h6 53. h4 Nc2 54. Ng8 Na3 55. d5 h5 56. Nf6 Bb5 57. Nxh5 Nb1 58. Nf6 Nxc3 59. h5 Ke7 60. Kg5 Bd3 61. Kh6 Bb1 62. d6+ Ke6 63. Kg7 Nb5 64. h6 Nd4 65. d7 Nc6 66. Kf8 Kxe5 67. Kxf7 Nd8+ 68. Ke8 Kxf6 69. Kxd8 Bf5 1/2-1/2

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "5"]
[White "Troitsky, PN."]
[Black "Mazel, Isaak"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "67"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 c6 4. Nf3 Nd7 5. cxd5 exd5 6. Bf4 Ngf6 7. e3 Nh5 8. Bd3 Nxf4 9. exf4 Bd6 10. Ne5 Qb6 11. 0-0 Qxd4 12. Nxf7 Qxf4 13. Nxd6+ Qxd6 14. Re1+ Kd8 15. Qg4 Qf6 16. Qg3 g5 17. Ne2 h5 18. f4 g4 19. f5 h4 20. Qf4 Qh6 21. Qd4 Qf6 22. Qf4 Qh6 23. Qxg4 Qe3+ 24. Kh1 Ne5 25. Qg7 Nxd3 26. Qxh8+ Kc7 27. Qd4 Qxd4 28. Nxd4 Nxe1 29. Rxe1 c5 30. Nb5+ Kd7 31. f6 b6 32. Re7+ Kc6 33. Re8 Kxb5 34. f7 1-0

[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "18"]
[White "Vasiliev, Victor Andreevich"]
[Black "Mazel, Isaak"]
[Result "0-1"]
[ECO "D78"]
[PlyCount "96"]
[EventDate "1938.02.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. c4 c6 7. Nc3 dxc4 8. Ne5 Ng4 9. Nf3 Nd7 10. h3 Ngf6 11. e4 b5 12. Qe2 Nb6 13. Bg5 h6 14. Bf4 a5 15. Rfe1 Kh7 16. Rad1 Ba6 17. Qc2 Qc8 18. Nb1 Rd8 19. g4 Ra7 20. Be3 Nfd7 21. Nbd2 c5 22. d5 Qc7 23. Bf1 Raa8 24. Nh4 Qe5 25. Rb1 e6 26. Ndf3 Qd6 27. dxe6 Qxe6 28. Nf5 gxf5 29. exf5 Qc6 30. f6+ Kg8 31. fxg7 Qxf3 32. Bg2 Qf6 33. Kh1 Rab8 34. Rg1 Ne5 35. g5 hxg5 36. Be4 Rd3 37. Rxg5 Bb7 38. Bxb7 Rxb7 39. Rbg1 Qc6+ 40. R1g2 f6 41. R5g3 Qe4 42. Qe2 Qf5 43. f4 Ned7 44. Bxc5 Rb8 45. Re3 Rxe3 46. Qxe3 Nxc5 47. Qe7 Nd5 48. Qxc5 Qe4 0-1

[Event "URS Trade Unions-ch04 Final"]
[Site "Moscow"]
[Date "1936.01.??"]
[Round "?"]
[White "Belavenets, Sergey Vesevolodovi"]
[Black "Mazel, Isaak"]
[Result "1-0"]
[ECO "D17"]
[PlyCount "77"]
[EventDate "1936.01.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 Nfd7 11. Bg2 Be6 12. Nxe5 Nxe5 13. 0-0 f6 14. Qc2 Qa5 15. Rfd1 Bb4 16. Na2 0-0 17. Nc1 Rad8 18. Nb3 Qc7 19. Nd4 Bf7 20. Be4 h6 21. Nf5 Qa5 22. Nh4 Qc5 23. Bh7+ Kh8 24. Qf5 Nc4 25. Ng6+ Bxg6 26. Bxg6 Rxd1+ 27. Rxd1 Nxb2 28. Rd7 Qxf5 29. Bxf5 Nxa4 30. Rxb7 a5 31. e4 c5 32. Bd6 Rd8 33. e5 fxe5 34. Bc2 Nc3 35. Bxe5 Ne2+ 36. Kf1 Bc3 37. Bc7 Nd4 38. Bxd8 Nxc2 39. Ra7 1-0

[Event "URS Trade Unions-ch04 Final"]
[Site "Moscow"]
[Date "1936.01.??"]
[Round "?"]
[White "Chekhover, Vitaly A"]
[Black "Mazel, Isaak"]
[Result "0-1"]
[ECO "E19"]
[PlyCount "78"]
[EventDate "1936.01.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 Qc8 10. e4 Nc6 11. e5 Na5 12. c5 bxc5 13. Qa4 Nc6 14. Re1 cxd4 15. cxd4 Nb4 16. Bg5 Bc6 17. Qa3 Qd8 18. Bxe7 Qxe7 19. Rac1 f6 20. exf6 Qxf6 21. Qxb4 Bxf3 22. Bxf3 Qxf3 23. Qd2 c6 24. Re3 Qg4 25. Kg2 Rab8 26. h3 Qf5 27. Rc5 Qb1 28. Re2 Rb5 29. Qe3 Rf5 30. Rc4 Rb2 31. Rxb2 Qxb2 32. a3 a5 33. g4 Rd5 34. Rc3 Rb5 35. Rc5 Rb3 36. Qg5 Qxd4 37. Rxa5 Qe4+ 38. Kh2 h6 39. Qd8+ Kh7 0-1

[Event "URS Trade Unions-ch04 Final"]
[Site "Moscow"]
[Date "1936.01.??"]
[Round "?"]
[White "Mazel, Isaak"]
[Black "Gergenreder, Vladimir Filippovic"]
[Result "1-0"]
[ECO "A31"]
[PlyCount "79"]
[EventDate "1936.01.??"]
[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 Nf6 2. Nf3 c5 3. d4 cxd4 4. Nxd4 Nc6 5. g3 Qb6 6. Nb3 Ne4 7. e3 d6 8. N1d2 Bf5 9. Be2 Nc5 10. 0-0 g6 11. Nd4 Bh3 12. Re1 Bg7 13. N2b3 0-0 14. Rb1 Nxb3 15. Nxb3 Nb4 16. Ra1 Bf5 17. Nd4 Bxd4 18. exd4 Nc2 19. g4 Be4 20. f3 Qb4 21. Rf1 Nxa1 22. fxe4 Rfc8 23. Qd3 Qa4 24. Bg5 f6 25. Bh6 Nc2 26. b3 Qxa2 27. e5 dxe5 28. dxe5 Nb4 29. Qd7 Rf8 30. Bxf8 Rxf8 31. Bf3 Qa6 32. Qxe7 Qb6+ 33. c5 Qd8 34. Qxd8 Rxd8 35. exf6 Rd7 36. g5 Kf8 37. Ra1 a6 38. Ra4 Nd5 39. Rd4 Nxf6 40. Rf4 1-0

[Event "URS Trade Unions-ch04 Final"]
[Site "Moscow"]
[Date "1936.01.??"]
[Round "?"]
[White "Mazel, Isaak"]
[Black "Lisitsin, Georgy M"]
[Result "0-1"]
[ECO "A27"]
[PlyCount "81"]
[EventDate "1936.01.??"]
[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 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. e3 Nge7 7. g3 0-0 8. Bg2 Nxd4 9. exd4 Nf5 10. Ne2 Re8 11. 0-0 Qe7 12. Bf3 Qf6 13. d5 Nh4 14. Bh5 Nf3+ 15. Bxf3 Qxf3 16. Nc3 Qxd1 17. Rxd1 d6 18. Nb5 Bg4 19. Rd3 Re1+ 20. Kg2 a6 21. Nd4 Rae8 22. Nc2 R1e4 23. Ne3 Be2 24. Rd2 Bxc4 25. Rc2 b5 26. Bd2 Rd4 27. Nxc4 bxc4 28. Be3 Rxd5 29. Rxc4 c5 30. Rb1 Rb8 31. b4 Kf8 32. Rb3 Rxb4 33. Rcxb4 cxb4 34. Rxb4 Ke7 35. Ra4 a5 36. Ra3 Bb2 37. Rb3 Bf6 38. a4 Ke6 39. Kf3 Bd4 40. Bc1 Rf5+ 41. Ke4 0-1

[Event "URS Trade Unions-ch04 Final"]
[Site "Moscow"]
[Date "1936.01.??"]
[Round "?"]
[White "Mazel, Isaak"]
[Black "Pimenov, Sergey Ivanovich"]
[Result "0-1"]
[ECO "A98"]
[PlyCount "82"]
[EventDate "1936.01.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. c4 d6 7. Nc3 Qe8 8. Qc2 Nc6 9. d5 exd5 10. Nxd5 Bd8 11. b3 Bd7 12. Bb2 Rc8 13. Rad1 Qh5 14. Nf4 Qe8 15. c5 Ne4 16. b4 Qf7 17. a3 g5 18. Nd3 Be6 19. Nd2 Nxd2 20. Rxd2 Bf6 21. Rc1 d5 22. Qa4 a6 23. b5 axb5 24. Qxb5 Rb8 25. e3 Qg7 26. Bxf6 Qxf6 27. Rb1 Rfd8 28. Nb4 Ne7 29. Nc2 c6 30. Qd3 Ng6 31. Nd4 Bd7 32. Rdb2 Ne5 33. Qc3 Bc8 34. Qa5 Nc4 35. Qa7 Nxb2 36. Qxb8 Nd3 37. Qc7 Kh8 38. f4 gxf4 39. gxf4 Rg8 40. Rd1 Qh4 41. Kh1 Qf2 0-1

[Event "URS Trade Unions-ch04 Final"]
[Site "Moscow"]
[Date "1936.01.??"]
[Round "?"]
[White "Mazel, Isaak"]
[Black "Zagoriansky, Evgeny"]
[Result "1-0"]
[ECO "A27"]
[PlyCount "71"]
[EventDate "1936.01.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 f5 3. Nf3 Nc6 4. d4 e4 5. Nd2 Nf6 6. e3 Bb4 7. Be2 Bxc3 8. bxc3 d6 9. 0-0 Qe7 10. Qb3 b6 11. Ba3 Na5 12. Qc2 Ba6 13. Bb4 0-0 14. Bxa5 bxa5 15. Qa4 Bb7 16. Qxa5 f4 17. Rab1 f3 18. Rxb7 fxe2 19. Re1 Ng4 20. Qxc7 Qf6 21. Nxe4 Qh6 22. h3 Nxe3 23. fxe3 Rf1+ 24. Rxf1 Qxe3+ 25. Kh2 exf1N+ 26. Kh1 Ng3+ 27. Nxg3 Qxg3 28. Qf7+ Kh8 29. Qf3 Qg5 30. Rxa7 Re8 31. Rf7 Kg8 32. Rd7 Qc1+ 33. Kh2 Rf8 34. Qd5+ Kh8 35. Qxd6 Kg8 36. Rd8 1-0

[Event "URS Trade Unions-ch04 Final"]
[Site "Moscow"]
[Date "1936.01.??"]
[Round "?"]
[White "Rovner, Dmitry Osipovich"]
[Black "Mazel, Isaak"]
[Result "1-0"]
[ECO "B70"]
[PlyCount "69"]
[EventDate "1936.01.??"]
[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. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3 g6 7. Bg2 Bg7 8. Nxc6 bxc6 9. e5 Nd5 10. Nxd5 cxd5 11. Bxd5 Rb8 12. exd6 Qxd6 13. 0-0 0-0 14. Bf4 Be5 15. Bxe5 Qxe5 16. b3 Qc3 17. Qe1 Qxc2 18. Qxe7 Rb5 19. Bxf7+ Rxf7 20. Qe8+ Kg7 21. Qxb5 Bh3 22. Qe5+ Kg8 23. Rad1 Bxf1 24. Rd8+ Rf8 25. Qe6+ Kg7 26. Rd7+ Kh6 27. Qe3+ g5 28. Rd6+ Kh5 29. Kxf1 Qxa2 30. g4+ Kxg4 31. Qg3+ Kf5 32. Qf3+ Ke5 33. Rd5+ Ke6 34. Qe4+ Kf6 35. Rf5+ 1-0

[Event "URS Trade Unions-ch04 Final"]
[Site "Moscow"]
[Date "1936.01.??"]
[Round "?"]
[White "Sokolsky, Alexey Pavlovich"]
[Black "Mazel, Isaak"]
[Result "0-1"]
[ECO "D31"]
[PlyCount "60"]
[EventDate "1936.01.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 c6 4. Nf3 Nd7 5. Qb3 f5 6. g3 Ngf6 7. Bg2 Bd6 8. Bf4 Qc7 9. Bxd6 Qxd6 10. 0-0 0-0 11. Rad1 b6 12. Rc1 a5 13. cxd5 exd5 14. Ne5 Nxe5 15. dxe5 Qxe5 16. Qxb6 Bd7 17. b3 f4 18. Qc5 Kh8 19. e3 fxe3 20. fxe3 Rfe8 21. Rce1 Ng4 22. e4 d4 23. Na4 Rad8 24. Rf7 d3 25. Rd1 Be6 26. Ra7 Qf6 27. Rxa5 Qh6 28. h3 Ne3 29. Nb2 Nxd1 30. Nxd1 Qd2 0-1

[Event "URS Trade Unions-ch04 Final"]
[Site "Moscow"]
[Date "1936.01.??"]
[Round "?"]
[White "Tolush, Alexander V"]
[Black "Mazel, Isaak"]
[Result "0-1"]
[ECO "E23"]
[PlyCount "102"]
[EventDate "1936.01.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Bg5 Qa5 7. Bxf6 gxf6 8. e3 Bxc5 9. a3 b6 10. 0-0-0 Bb7 11. Nge2 0-0-0 12. Nf4 Be7 13. Be2 Ne5 14. Rhg1 Kb8 15. Kb1 Rc8 16. Rd4 Rc5 17. Qa2 Rc7 18. b4 Bxb4 19. axb4 Qxb4+ 20. Kc2 d5 21. Rb1 Nc6 22. Rd2 Qa5 23. Qa1 dxc4 24. Qxa5 Nxa5 25. Rbd1 a6 26. Rd8+ Rxd8 27. Rxd8+ Ka7 28. Rh8 b5 29. Rxh7 Kb6 30. Bh5 b4 31. Rxf7 bxc3 32. Rxf6 Kb5 33. Rxe6 Kb4 34. Bf3 Rd7 35. Rb6+ Kc5 36. Rxb7 Nxb7 37. Kxc3 Nd6 38. Ne6+ Kb6 39. h4 a5 40. h5 a4 41. Kb4 Ra7 42. Nd4 a3 43. Nc2 a2 44. Na1 Ra5 45. h6 Rb5+ 46. Ka3 c3 47. Kxa2 Nc4 48. Nb3 c2 49. h7 Rxb3 50. Kxb3 c1Q 51. h8Q Nd2+ 0-1

[Event "URS-ch09 Final"]
[Site "Leningrad"]
[Date "1935.01.01"]
[Round "19"]
[White "Mazel, Isaak"]
[Black "Bohatirchuk, Fedor Parfenovich"]
[Result "0-1"]
[ECO "E65"]
[PlyCount "40"]
[EventDate "1934.12.07"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. g3 Bg7 7. Bg2 a6 8. 0-0 Qc7 9. b3 0-0 10. Bb2 d6 11. Nd5 Nxd5 12. cxd5 Na7 13. Rc1 Qb6 14. Qd3 Bd7 15. Rc2 Rac8 16. Rfc1 Rc5 17. Rxc5 dxc5 18. d6 exd6 19. Rc4 cxd4 20. Rxd4 Nb5 0-1

[Event "URS-ch09 Final"]
[Site "Leningrad"]
[Date "1934.12.30"]
[Round "18"]
[White "Kan, Ilia Abramovich"]
[Black "Mazel, Isaak"]
[Result "1/2-1/2"]
[ECO "E35"]
[PlyCount "103"]
[EventDate "1934.12.07"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 0-0 7. e3 c6 8. Bd3 h6 9. Bh4 Be6 10. Nge2 Nbd7 11. 0-0 Bd6 12. Bg3 Bxg3 13. Nxg3 Re8 14. Rac1 Nb6 15. Na4 Nxa4 16. Qxa4 Qd6 17. Rc3 g6 18. Qc2 Kg7 19. f4 Ng4 20. Be2 f5 21. Bxg4 fxg4 22. f5 gxf5 23. Qxf5 Rf8 24. Nh5+ Kh8 25. Qg6 Rxf1+ 26. Kxf1 Qf8+ 27. Nf4 Bf5 28. Qh5 Re8 29. Kg1 Re7 30. Qh4 Kh7 31. Qf2 Rf7 32. Rc1 Qe7 33. Qe2 Qe4 34. Rf1 Bg6 35. Qf2 Re7 36. Re1 c5 37. Qh4 Re8 38. Qf6 cxd4 39. Nxg6 Qxg6 40. Qxd4 Qe4 41. Qxe4+ Rxe4 42. Kf2 Kg6 43. Rd1 Rc4 44. Rd2 Kf6 45. Ke2 Ke5 46. Kd3 g3 47. hxg3 Rg4 48. Rf2 Rxg3 49. Rf7 Rxg2 50. Rxb7 h5 51. Rxa7 Rxb2 52. Rh7 1/2-1/2

[Event "URS-ch09 Final"]
[Site "Leningrad"]
[Date "1934.12.29"]
[Round "17"]
[White "Mazel, Isaak"]
[Black "Yudovich, Mikhail Mikhailovic"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "39"]
[EventDate "1934.12.07"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 d5 3. Bd3 c5 4. c3 Nc6 5. f4 e6 6. Nf3 Be7 7. 0-0 0-0 8. Nbd2 a6 9. Ne5 Nxe5 10. fxe5 Ne8 11. Rf3 f5 12. exf6 Nxf6 13. Rh3 cxd4 14. exd4 e5 15. dxe5 Ne4 16. Nxe4 Bxh3 17. Nf6+ gxf6 18. Bxh7+ Kxh7 19. Qh5+ Kg8 20. Qg6+ 1/2-1/2

[Event "URS-ch09 Final"]
[Site "Leningrad"]
[Date "1934.12.28"]
[Round "16"]
[White "Lisitsin, Georgy M"]
[Black "Mazel, Isaak"]
[Result "1-0"]
[ECO "A11"]
[PlyCount "91"]
[EventDate "1934.12.07"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. Nc3 Nbd7 5. b3 e5 6. cxd5 cxd5 7. Bb2 a6 8. a3 Bd6 9. b4 b5 10. Qb3 Bb7 11. a4 bxa4 12. Nxa4 0-0 13. Nc5 Qb6 14. Na4 Qxb4 15. Qxb4 Bxb4 16. Nxe5 Nxe5 17. Bxe5 Ne4 18. Bc3 a5 19. f3 Nxc3 20. dxc3 Bc6 21. Kd2 Bd6 22. Bd3 Rfe8 23. Rhb1 Rec8 24. Bb5 Bxh2 25. Bxc6 Rxc6 26. Rb5 Rd6 27. Rab1 h6 28. Rb8+ Rxb8 29. Rxb8+ Kh7 30. Rb5 Rg6 31. g4 f5 32. gxf5 Rg2+ 33. Kd3 h5 34. Rxd5 h4 35. f6 Kg6 36. fxg7 Kxg7 37. Rxa5 Bd6 38. Rh5 Be7 39. Nb6 Kg6 40. Rb5 h3 41. Rb1 h2 42. Rh1 Kg5 43. Nc4 Kh4 44. Nd2 Kg3 45. Nf1+ Kxf3 46. Rxh2 1-0

[Event "URS-ch09 Final"]
[Site "Leningrad"]
[Date "1934.12.26"]
[Round "15"]
[White "Mazel, Isaak"]
[Black "Alatortsev, Vladimir"]
[Result "1/2-1/2"]
[ECO "A09"]
[PlyCount "73"]
[EventDate "1934.12.07"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. b4 f6 4. e3 dxe3 5. fxe3 e5 6. a3 a5 7. b5 e4 8. Nd4 f5 9. Bb2 Bd6 10. Ne2 Nf6 11. Qc2 Nbd7 12. Nbc3 Nc5 13. Nf4 Bxf4 14. exf4 Nd3+ 15. Bxd3 exd3 16. Qb3 Qe7+ 17. Kd1 Be6 18. Re1 Qf7 19. Nd5 Ne4 20. Kc1 c6 21. bxc6 bxc6 22. Nc3 Bxc4 23. Nxe4 0-0 24. Ng5 Bxb3 25. Nxf7 Rxf7 26. Bc3 g6 27. Re5 Bd5 28. g3 Rb7 29. Rb1 Rxb1+ 30. Kxb1 Kf7 31. Kc1 Ra7 32. h4 h5 33. Kd1 Rb7 34. Ke1 Rb1+ 35. Kf2 a4 36. Re1 Rxe1 37. Kxe1 1/2-1/2

[Event "URS-ch09 Final"]
[Site "Leningrad"]
[Date "1934.12.25"]
[Round "14"]
[White "Rabinovich, Ilya Leontievich"]
[Black "Mazel, Isaak"]
[Result "1-0"]
[ECO "E11"]
[PlyCount "85"]
[EventDate "1934.12.07"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 0-0 6. Bg2 Bxd2+ 7. Qxd2 d6 8. Nc3 Nbd7 9. 0-0 c6 10. e4 e5 11. b3 Re8 12. Rad1 Nf8 13. Nh4 Qc7 14. d5 c5 15. h3 Bd7 16. f4 Ng6 17. f5 Nxh4 18. gxh4 a6 19. Bf3 b5 20. Kh2 Kh8 21. Rg1 Rg8 22. Rg3 bxc4 23. bxc4 Rab8 24. Rdg1 Qd8 25. Nd1 Rb4 26. Qg2 Ne8 27. Bh5 g6 28. Bg4 Rxc4 29. Ne3 Rb4 30. fxg6 fxg6 31. h5 Bxg4 32. Nxg4 Qg5 33. hxg6 Rxg6 34. Rf1 Rg8 35. Rff3 Qh4 36. Nxe5 Rxg3 37. Rxg3 Qf4 38. Nd3 Qf7 39. Nxb4 cxb4 40. Qb2+ Ng7 41. e5 dxe5 42. Qxe5 h5 43. d6 1-0

[Event "URS-ch09 Final"]
[Site "Leningrad"]
[Date "1934.12.23"]
[Round "13"]
[White "Mazel, Isaak"]
[Black "Levenfish, Grigory"]
[Result "0-1"]
[ECO "A28"]
[PlyCount "126"]
[EventDate "1934.12.07"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. e3 0-0 8. Bd3 d5 9. 0-0 Be6 10. Qe2 Re8 11. Rd1 Bg4 12. f3 Bd7 13. Bc2 Re5 14. e4 Bxc3 15. bxc3 dxe4 16. Bxe4 Nxe4 17. Bf4 Re7 18. fxe4 Qe8 19. Re1 Bf5 20. e5 f6 21. Rad1 fxe5 22. Bxe5 Qg6 23. Qf2 Bg4 24. Bf4 Rf7 25. Rd4 Raf8 26. c5 Be6 27. Qe2 Bg4 28. Qc4 Bf3 29. Bg3 Bd5 30. Qd3 Qxd3 31. Rxd3 Bxa2 32. h3 a5 33. Ra1 Bc4 34. Rdd1 a4 35. Ra3 Bb3 36. Rd4 Re7 37. c4 Rf5 38. Bf2 h6 39. Ra1 Kh7 40. Rd8 Rf4 41. Rc1 Bxc4 42. Rd4 Rxd4 43. Bxd4 Bb3 44. Kf2 Re4 45. Bb2 Bd5 46. Rc3 g5 47. Rd3 Rc4 48. Rc3 Rb4 49. Bc1 Kg6 50. g3 Kf5 51. Re3 Rc4 52. Ba3 Rc2+ 53. Re2 Rc4 54. Re3 Be4 55. h4 gxh4 56. gxh4 Kg4 57. Rg3+ Kxh4 58. Rg7 Rc3 59. Bb4 Rb3 60. Bd2 a3 61. Bxh6 a2 62. Rg1 Rb2+ 63. Ke3 Rb1 0-1

[Event "URS-ch09 Final"]
[Site "Leningrad"]
[Date "1934.12.22"]
[Round "12"]
[White "Chekhover, Vitaly A"]
[Black "Mazel, Isaak"]
[Result "1-0"]
[ECO "E11"]
[PlyCount "51"]
[EventDate "1934.12.07"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 0-0 6. Bg2 Bxd2+ 7. Qxd2 d6 8. Nc3 Nbd7 9. 0-0 e5 10. e4 Nb6 11. b3 Bg4 12. Rfe1 c6 13. Qe3 Rad8 14. Nd2 exd4 15. Qxd4 Qe5 16. Qd3 Qc5 17. Nf1 d5 18. cxd5 cxd5 19. Nxd5 Nbxd5 20. exd5 Nxd5 21. Re5 Be6 22. Rd1 Nb4 23. Qxd8 Qxe5 24. Qe7 Qa5 25. a3 Nc2 26. b4 1-0

[Event "URS-ch09 Final"]
[Site "Leningrad"]
[Date "1934.12.21"]
[Round "11"]
[White "Mazel, Isaak"]
[Black "Dubinin, Peter Vasilievich"]
[Result "1-0"]
[ECO "E01"]
[PlyCount "49"]
[EventDate "1934.12.07"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 c5 5. cxd5 Nxd5 6. 0-0 Nc6 7. d4 cxd4 8. Nxd4 Be7 9. Nc3 Nxc3 10. bxc3 Bd7 11. Rb1 Qc7 12. Nb5 Qb8 13. Qd3 Ne5 14. Qd4 a6 15. Bxb7 axb5 16. Bxa8 Qxa8 17. Qxe5 0-0 18. Qc7 Rd8 19. Rd1 Rc8 20. Qxd7 Rd8 21. Qxd8+ Bxd8 22. Rxb5 h6 23. Bf4 Kh7 24. Rb8 Qxa2 25. Rbxd8 1-0

[Event "URS-ch09 Final"]
[Site "Leningrad"]
[Date "1934.12.19"]
[Round "10"]
[White "Rauzer, Vsevolod"]
[Black "Mazel, Isaak"]
[Result "1/2-1/2"]
[ECO "C13"]
[PlyCount "67"]
[EventDate "1934.12.07"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. g3 f5 8. Nc3 Bf6 9. Nge2 Nc6 10. d5 Nb4 11. Bg2 Nxd5 12. Bxd5 exd5 13. Qxd5 Bxc3+ 14. Nxc3 Qe7+ 15. Kd2 Be6 16. Qxb7 0-0 17. Rad1 Rab8 18. Qxa7 Rxb2 19. Rb1 Rd8+ 20. Kc1 Rxb1+ 21. Nxb1 Qb4 22. a3 Qb5 23. Nc3 Qc6 24. Rd1 Ra8 25. Qe3 h6 26. Qe5 Qb6 27. Rd4 Kh7 28. Qf6 Qc5 29. Nb1 Bb3 30. Rd2 Ba2 31. Kb2 Be6 32. Rd8 Qb5+ 33. Kc1 Qf1+ 34. Kb2 1/2-1/2

[Event "URS-ch09 Final"]
[Site "Leningrad"]
[Date "1934.12.18"]
[Round "9"]
[White "Mazel, Isaak"]
[Black "Freiman, Sergey Nikolaevich"]
[Result "1/2-1/2"]
[ECO "A12"]
[PlyCount "39"]
[EventDate "1934.12.07"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c6 3. g3 d5 4. b3 Qb6 5. Nc3 Bf5 6. Bg2 e6 7. 0-0 Be7 8. d4 Nbd7 9. Nh4 Bg6 10. Nxg6 hxg6 11. Qd3 0-0 12. Bb2 Qa6 13. Rad1 dxc4 14. bxc4 Nb6 15. c5 Qxd3 16. Rxd3 Nc4 17. Ba1 Rac8 18. Ne4 Nxe4 19. Bxe4 b5 20. cxb6 1/2-1/2

[Event "URS-ch09 Final"]
[Site "Leningrad"]
[Date "1934.12.16"]
[Round "8"]
[White "Panov, Vasily N"]
[Black "Mazel, Isaak"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "66"]
[EventDate "1934.12.07"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. g3 exd4 6. Nxd4 g6 7. Bg2 Bg7 8. 0-0 0-0 9. f4 Re8 10. Nb3 a5 11. a4 Nb6 12. Kh1 Bd7 13. Nd4 Bg4 14. Qd3 Qd7 15. f5 d5 16. e5 Rxe5 17. Bf4 Rxf5 18. Nxf5 Bxf5 19. Qd1 c6 20. Rb1 d4 21. Ne2 c5 22. b3 Nbd5 23. Bd2 Ng4 24. Nf4 Nge3 25. Qf3 Nxf1 26. Rxf1 Nxf4 27. Bxf4 Bxc2 28. Qxb7 Qxb7 29. Bxb7 Rd8 30. Rc1 d3 31. Bd2 Bxb3 32. Bc6 c4 33. Bxa5 d2 0-1

[Event "URS-ch09 Final"]
[Site "Leningrad"]
[Date "1934.12.15"]
[Round "7"]
[White "Mazel, Isaak"]
[Black "Ilyin Zhenevsky, Alexander"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "89"]
[EventDate "1934.12.07"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 c5 5. cxd5 Nxd5 6. g3 Nc6 7. Bg2 f6 8. 0-0 e5 9. e3 Bg4 10. h3 Bh5 11. g4 Bg6 12. d4 Ndb4 13. dxe5 Nd3 14. Qe2 fxe5 15. Rd1 e4 16. Ne1 Qh4 17. Nxd3 exd3 18. Bxc6+ bxc6 19. Qf3 Rd8 20. Na3 h5 21. Qxc6+ Kf7 22. Nc4 Bd6 23. Nxd6+ Kg8 24. Nc4 Rf8 25. Rd2 Rh6 26. Qc7 Rf7 27. Qb8+ Kh7 28. Qg3 hxg4 29. Qxh4 Rxh4 30. hxg4 Rf3 31. Kg2 Be4 32. Rg1 Rfh3+ 33. Kf1 Bf3 34. Ne5 Be2+ 35. Rxe2 dxe2+ 36. Kxe2 Rh1 37. Rxh1 Rxh1 38. Nd3 Rb1 39. Be5 Rg1 40. Kf3 c4 41. bxc4 Rd1 42. Ke4 Rg1 43. c5 Rxg4+ 44. Kd5 Ra4 45. c6 1-0

[Event "URS-ch09 Final"]
[Site "Leningrad"]
[Date "1934.12.14"]
[Round "6"]
[White "Makogonov, Vladimir Andreevich"]
[Black "Mazel, Isaak"]
[Result "1-0"]
[ECO "A98"]
[PlyCount "101"]
[EventDate "1934.12.07"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 0-0 6. Nc3 d6 7. 0-0 Qe8 8. Qc2 Qg6 9. Nb5 Bd8 10. c5 d5 11. Bf4 Ne8 12. b4 Qh5 13. h4 Nc6 14. Rab1 h6 15. Qd2 Kh7 16. Nc3 a6 17. a4 Bf6 18. Ne5 Nxe5 19. dxe5 Be7 20. Bf3 Qf7 21. a5 Bd7 22. Kg2 Bc6 23. Rh1 g6 24. Bxh6 Rh8 25. Na2 Ng7 26. Nc1 Nh5 27. Nb3 Bf8 28. Bg5 Bg7 29. Qe3 Rhf8 30. Nd4 Bd7 31. Bf4 c6 32. Qc3 Rh8 33. e3 Kg8 34. Be2 Rf8 35. Nf3 Qe7 36. Bg5 Qe8 37. Rh2 Qb8 38. Rbh1 Rh7 39. Qd4 Bh8 40. Bf4 Be8 41. Ng5 Re7 42. Kg1 Bg7 43. Nf3 Qc7 44. Ne1 Ref7 45. Nd3 Re7 46. Bg5 Ref7 47. Rg2 Bh8 48. f3 Rh7 49. g4 Ng7 50. Bf6 Bf7 51. h5 1-0

[Event "URS-ch09 Final"]
[Site "Leningrad"]
[Date "1934.12.11"]
[Round "5"]
[White "Mazel, Isaak"]
[Black "Riumin, Nikolay Nikolaevich"]
[Result "0-1"]
[ECO "A41"]
[PlyCount "58"]
[EventDate "1934.12.07"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. d4 f6 5. e3 Nh6 6. b3 g6 7. Bb2 Bg7 8. Qd2 0-0 9. 0-0-0 Nf7 10. Be2 Re8 11. Kb1 Bf5+ 12. Ka1 Nb4 13. Rc1 c5 14. dxc5 Qa5 15. cxd6 e4 16. Nd4 Nxa2 17. b4 Nxb4+ 18. Kb1 Ne5 19. Nxf5 gxf5 20. Rhd1 Red8 21. Ba1 Ned3 22. Bxd3 Nxd3 23. Nd5 Qa3 24. Ne7+ Kh8 25. Nxf5 Rac8 26. Qa2 Qb4+ 27. Bb2 Rc5 28. Qa3 Qxa3 29. Bxa3 Rxf5 0-1

[Event "URS-ch09 Final"]
[Site "Leningrad"]
[Date "1934.12.10"]
[Round "4"]
[White "Veresov, Gavriil N"]
[Black "Mazel, Isaak"]
[Result "0-1"]
[ECO "A85"]
[PlyCount "64"]
[EventDate "1934.12.07"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 f5 3. e3 Nf6 4. c4 d5 5. Bd3 c6 6. Nc3 Bd6 7. Qc2 Ne4 8. g4 Nxc3 9. bxc3 fxg4 10. Ne5 Bxe5 11. dxe5 Nd7 12. Bxh7 Nxe5 13. Bg6+ Kd7 14. cxd5 cxd5 15. Qa4+ Kc7 16. Bc2 Qf6 17. Ba3 Nc4 18. Qb4 a5 19. Qc5+ Kb8 20. 0-0-0 Qxf2 21. Rhf1 Qxh2 22. Rf4 b6 23. Qc6 Bb7 24. Qxe6 Ka7 25. Be7 g3 26. Rf7 Rab8 27. Qd7 Ne5 28. Qf5 Nxf7 29. Qxf7 Qf2 30. Qxg7 Rh2 31. Qg6 Qxe3+ 32. Kb1 Qxe7 0-1

[Event "URS-ch09 Final"]
[Site "Leningrad"]
[Date "1934.12.09"]
[Round "3"]
[White "Mazel, Isaak"]
[Black "Belavenets, Sergey Vesevolodovi"]
[Result "1/2-1/2"]
[ECO "A02"]
[PlyCount "44"]
[EventDate "1934.12.07"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 d6 6. Bg2 Nc6 7. d4 Bf5 8. 0-0 Qc8 9. Re1 Nb4 10. Na3 Nbd5 11. e3 Ne4 12. Nh4 Ndf6 13. Nxf5 gxf5 14. c4 c6 15. Rc1 Qd8 16. Bf3 Rc8 17. Qd3 e6 18. Re2 d5 19. Rg2 Kh8 20. Nb1 Rg8 21. Nc3 Nxc3 22. Bxc3 Ne4 1/2-1/2

[Event "URS-ch09 Final"]
[Site "Leningrad"]
[Date "1934.12.08"]
[Round "2"]
[White "Savitsky, Leonid"]
[Black "Mazel, Isaak"]
[Result "0-1"]
[ECO "E22"]
[PlyCount "82"]
[EventDate "1934.12.07"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 0-0 5. Qb3 c5 6. dxc5 Nc6 7. Bg5 h6 8. Bh4 Bxc5 9. e3 b6 10. Rd1 Be7 11. Be2 Bb7 12. 0-0 Rc8 13. a3 Na5 14. Qa2 Ne4 15. Nxe4 Bxe4 16. Nd2 Bc2 17. Bxe7 Qxe7 18. Rc1 Bf5 19. Rfd1 Rc7 20. Rc3 Rfc8 21. e4 Bg6 22. Rd3 Qf6 23. b3 d5 24. Re3 dxc4 25. Bxc4 b5 26. Bd3 Rc1 27. Ree1 Rxd1 28. Rxd1 Qd4 29. Qb1 a6 30. b4 Nc4 31. Nxc4 bxc4 32. Bc2 Qc3 33. a4 Rb8 34. b5 axb5 35. axb5 Qa5 36. Rd4 Rxb5 37. Qf1 c3 38. Ra4 Qb6 39. h3 Rb4 40. Ra3 Qd4 41. Qe1 Rc4 0-1

[Event "URS-ch09 Final"]
[Site "Leningrad"]
[Date "1934.12.07"]
[Round "1"]
[White "Ragozin, Viacheslav"]
[Black "Mazel, Isaak"]
[Result "1/2-1/2"]
[ECO "E23"]
[PlyCount "26"]
[EventDate "1934.12.07"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Bg5 Qa5 7. Bxf6 gxf6 8. Nf3 Bxc5 9. e3 b6 10. 0-0-0 Bb7 11. Be2 Rg8 12. Rhg1 Be7 13. a3 Rc8 1/2-1/2

[Event "URS-ch07 Final"]
[Site "Moscow"]
[Date "1931.11.14"]
[Round "17"]
[White "Alatortsev, Vladimir"]
[Black "Mazel, Isaak"]
[Result "1-0"]
[ECO "E01"]
[PlyCount "43"]
[EventDate "1931.10.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Bd6 5. 0-0 0-0 6. c4 c6 7. Nbd2 Nbd7 8. Qc2 Re8 9. Rd1 e5 10. cxd5 cxd5 11. dxe5 Nxe5 12. Nxe5 Rxe5 13. Nf3 Bf5 14. Qb3 Re7 15. Bg5 Be4 16. Bxf6 gxf6 17. Nd4 Bc5 18. e3 Rc8 19. Bxe4 dxe4 20. Nc6 bxc6 21. Rxd8+ Rxd8 22. Rc1 1-0

[Event "URS-ch07 Final"]
[Site "Moscow"]
[Date "1931.11.10"]
[Round "16"]
[White "Mazel, Isaak"]
[Black "Sozin, Veniamin"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "91"]
[EventDate "1931.10.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Bd6 5. g3 0-0 6. Bg2 a5 7. Nc3 c6 8. d4 Nbd7 9. 0-0 Qe7 10. Re1 Ba3 11. Qc1 Bxb2 12. Qxb2 e5 13. cxd5 e4 14. dxc6 bxc6 15. Ng5 e3 16. f4 Bb7 17. Na4 h6 18. Nf3 c5 19. dxc5 Rfe8 20. Rac1 Rac8 21. Qc3 g5 22. fxg5 hxg5 23. Qxa5 g4 24. Nh4 Bxg2 25. Nxg2 Ne4 26. c6 Ne5 27. Qd5 Ng5 28. Nxe3 Rcd8 29. Qc5 Nef3+ 30. exf3 Nxf3+ 31. Kf2 Qf6 32. Nd5 Qh6 33. Rxe8+ Rxe8 34. Nf4 Qxh2+ 35. Ng2 Qh6 36. Rd1 Ng5 37. Nc3 Nh3+ 38. Kf1 Qf6+ 39. Nf4 Nxf4 40. gxf4 Qxf4+ 41. Qf2 Qh6 42. Qg3 Qxc6 43. Qxg4+ Kf8 44. Qh3 Qf6+ 45. Kg1 Re5 46. Rd8+ 1-0

[Event "URS-ch07 Final"]
[Site "Moscow"]
[Date "1931.11.09"]
[Round "15"]
[White "Mazel, Isaak"]
[Black "Rauzer, Vsevolod"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "43"]
[EventDate "1931.10.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. c3 Bd6 6. Ne2 Qf6 7. 0-0 Nh6 8. Ng3 0-0 9. Qh5 Bf4 10. Qf3 Bxc1 11. Qxf6 gxf6 12. Rxc1 f5 13. Nd2 Be6 14. Re1 Kg7 15. Nf3 Kg6 16. Re3 a6 17. Rae1 b5 18. Rxe6+ fxe6 19. Rxe6+ Rf6 20. Rxc6 Rxc6 21. Ne5+ Kf6 22. Nxc6 1-0

[Event "URS-ch07 Final"]
[Site "Moscow"]
[Date "1931.11.08"]
[Round "14"]
[White "Budo, Alexander Semionovi"]
[Black "Mazel, Isaak"]
[Result "1/2-1/2"]
[ECO "E16"]
[PlyCount "94"]
[EventDate "1931.10.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 b6 6. Bg2 Bb7 7. 0-0 Bxd2 8. Qxd2 0-0 9. Nc3 d6 10. Qc2 e5 11. dxe5 dxe5 12. e4 c5 13. Nd5 Nxd5 14. exd5 Qd6 15. Rae1 Re8 16. Ng5 Qg6 17. Qxg6 hxg6 18. f4 Nd7 19. Bh3 f5 20. g4 exf4 21. gxf5 gxf5 22. Bxf5 Nf8 23. Ne6 Re7 24. Rxf4 Rae8 25. Ref1 g6 26. Bh3 Nxe6 27. Bxe6+ Kg7 28. Rf7+ Kh6 29. b3 a6 30. R1f3 Rxf7 31. Rxf7 Bc8 32. Bxc8 Rxc8 33. Rb7 b5 34. Rb6 bxc4 35. bxc4 Kg5 36. Kf2 Kf5 37. Rxa6 Rb8 38. Rc6 Kf4 39. Rxc5 Rb2+ 40. Ke1 Ke3 41. Kd1 Kd3 42. Kc1 Rc2+ 43. Kb1 Kc3 44. a4 Rxh2 45. d6 Rh1+ 46. Ka2 Rh2+ 47. Ka3 Rh1 1/2-1/2

[Event "URS-ch07 Final"]
[Site "Moscow"]
[Date "1931.11.06"]
[Round "13"]
[White "Mazel, Isaak"]
[Black "Goglidze, Victor Arsentievich"]
[Result "1/2-1/2"]
[ECO "A27"]
[PlyCount "65"]
[EventDate "1931.10.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d3 Nf6 5. e4 Bc5 6. exf5 d5 7. cxd5 Nxd5 8. Bg5 Nxc3 9. bxc3 Qd6 10. Nh4 0-0 11. d4 exd4 12. Bc4+ Kh8 13. Ng6+ hxg6 14. Qg4 Re8+ 15. Kf1 Be6 16. Bxe6 Rxe6 17. fxe6 dxc3 18. Rd1 Nd4 19. Qh3+ Kg8 20. Qxc3 Qa6+ 21. Qd3 Qxe6 22. Be3 Rd8 23. Bxd4 Rxd4 24. Qe2 Rxd1+ 25. Qxd1 Qxa2 26. Qd8+ Bf8 27. g3 Qb1+ 28. Kg2 Qe4+ 29. f3 Qe2+ 30. Kh3 Qxf3 31. Qxc7 Qxh1 32. Qc4+ Kh7 33. Qh4+ 1/2-1/2

[Event "URS-ch07 Final"]
[Site "Moscow"]
[Date "1931.11.05"]
[Round "12"]
[White "Kasparian, Genrikh Moiseevich"]
[Black "Mazel, Isaak"]
[Result "0-1"]
[ECO "E16"]
[PlyCount "112"]
[EventDate "1931.10.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. c4 Bb4+ 4. Bd2 Qe7 5. Nc3 b6 6. g3 Bb7 7. Bg2 0-0 8. 0-0 d6 9. Qc2 Nbd7 10. a3 Bxc3 11. Bxc3 Be4 12. Qd2 Rfe8 13. b3 Bb7 14. Bb2 Ne4 15. Qc2 f5 16. Ne1 Ndf6 17. f3 Ng5 18. Nd3 c5 19. Nf2 cxd4 20. Bxd4 Rac8 21. e4 fxe4 22. Nxe4 Nfxe4 23. fxe4 Rf8 24. a4 Rxf1+ 25. Rxf1 Rf8 26. Rxf8+ Qxf8 27. Qe2 e5 28. Bb2 Qf6 29. Qd3 Kf8 30. h4 Nf7 31. Bc1 h6 32. Be3 Nd8 33. a5 bxa5 34. Bxa7 Nc6 35. Bb6 Qe6 36. Qd2 Nd4 37. Bxd4 exd4 38. Qxd4 Qe5 39. Qd3 Ke7 40. Kh2 Kd7 41. Kg1 Kc7 42. Kf2 Kb6 43. Bf3 Kc5 44. Qc2 Qd4+ 45. Ke2 Kb4 46. Qd3 Qxd3+ 47. Kxd3 Kxb3 48. Kd4 a4 49. Bd1+ Kb4 50. Bxa4 Kxa4 51. g4 Ba6 52. e5 dxe5+ 53. Kxe5 Bc8 54. g5 hxg5 55. hxg5 g6 56. Kd5 Bb7+ 0-1

[Event "URS-ch07 Final"]
[Site "Moscow"]
[Date "1931.11.04"]
[Round "11"]
[White "Mazel, Isaak"]
[Black "Sorokin, Nikolay Tikhovich"]
[Result "0-1"]
[ECO "A06"]
[PlyCount "100"]
[EventDate "1931.10.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 c5 3. Bb2 f6 4. e3 e5 5. d4 cxd4 6. exd4 e4 7. Nfd2 f5 8. c4 Nf6 9. Nc3 Bb4 10. Nxd5 Nxd5 11. cxd5 0-0 12. Qc2 a6 13. a3 Bxd2+ 14. Qxd2 f4 15. 0-0-0 b5 16. g3 Qxd5 17. gxf4 Bf5 18. Qe3 Nc6 19. Rg1 Na5 20. Bh3 Nxb3+ 21. Kb1 Na5 22. Bxf5 Rxf5 23. Rge1 Raf8 24. Qxe4 Qxe4+ 25. Rxe4 Rxf4 26. Rxf4 Rxf4 27. d5 Rf7 28. Re1 Nc4 29. Re8+ Rf8 30. Rxf8+ Kxf8 31. d6 Nxd6 32. Kc2 Nc4 33. Bc1 Ke7 34. Kc3 Kd6 35. Kd4 Kc6 36. h4 g6 37. f3 Kd6 38. Bh6 Ke6 39. Bc1 Ne5 40. Ke4 a5 41. Bd2 Nc6 42. Kf4 b4 43. axb4 axb4 44. h5 b3 45. Bc3 gxh5 46. Kg5 h4 47. Kxh4 Kf7 48. Kh5 Nb4 49. Kg5 Nd3 50. f4 b2 0-1

[Event "URS-ch07 Final"]
[Site "Moscow"]
[Date "1931.11.03"]
[Round "10"]
[White "Ilyin Zhenevsky, Alexander"]
[Black "Mazel, Isaak"]
[Result "0-1"]
[ECO "C13"]
[PlyCount "104"]
[EventDate "1931.10.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nf3 b6 8. Bb5+ c6 9. Bd3 Bb7 10. Qe2 Nd7 11. Ba6 Bxa6 12. Qxa6 Qc7 13. 0-0-0 b5 14. Nc5 Nxc5 15. dxc5 Bxc5 16. Rd2 0-0 17. Rhd1 Rfd8 18. a4 Rxd2 19. Rxd2 Qb6 20. axb5 cxb5 21. Qxb6 Bxb6 22. Re2 Rd8 23. Nd2 Rd5 24. Ne4 Kg7 25. c3 Bc7 26. Kc2 Bxh2 27. g3 f5 28. Nd2 f4 29. Nf3 Rh5 30. g4 Rh3 31. Ng5 f3 32. Rd2 Rh6 33. Nxf3 Bc7 34. Rd7 Bb6 35. g5 Rg6 36. Ne5 Rxg5 37. Nxf7 Rd5 38. Rb7 Kf6 39. f4 h5 40. Ne5 Kf5 41. Rf7+ Ke4 42. Nd7 Rf5 43. Re7 h4 44. Nxb6 axb6 45. Rxe6+ Kxf4 46. Rxb6 h3 47. Rh6 Kg3 48. b3 Rf4 49. c4 bxc4 50. b4 h2 51. b5 Rh4 52. Rg6+ Kh3 0-1

[Event "URS-ch07 Final"]
[Site "Moscow"]
[Date "1931.11.02"]
[Round "9"]
[White "Mazel, Isaak"]
[Black "Lisitsin, Georgy M"]
[Result "1/2-1/2"]
[ECO "A29"]
[PlyCount "54"]
[EventDate "1931.10.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d6 5. Bg2 Be6 6. d4 exd4 7. Nxd4 Bd7 8. 0-0 Be7 9. b3 0-0 10. Bb2 Re8 11. Re1 Bf8 12. Nd5 Nxd5 13. cxd5 Nxd4 14. Qxd4 c5 15. dxc6 Bxc6 16. e3 Bxg2 17. Kxg2 Qa5 18. a4 Rac8 19. Rac1 Rc6 20. Rxc6 bxc6 21. Rc1 c5 22. Qd5 Qb4 23. Rc3 Rb8 24. e4 Rb7 25. Rf3 Re7 26. Re3 Qb7 27. Kf3 Rc7 1/2-1/2

[Event "URS-ch07 Final"]
[Site "Moscow"]
[Date "1931.10.31"]
[Round "8"]
[White "Kirillov, Vladimir Grigorevic"]
[Black "Mazel, Isaak"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "46"]
[EventDate "1931.10.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 c5 3. f4 Nc6 4. Nf3 b6 5. g3 Bb7 6. Bg2 Nf6 7. Nc3 d6 8. d3 g6 9. 0-0 a6 10. a4 Qc7 11. f5 Bg7 12. fxe6 fxe6 13. Bh3 Qe7 14. Bf4 0-0 15. e5 dxe5 16. Bxe5 Rae8 17. Rae1 Nxe5 18. Nxe5 Nd5 19. Rxf8+ Rxf8 20. Nxg6 Bd4+ 21. Kh1 Nxc3+ 22. Bg2 hxg6 23. bxc3 Rf2 0-1

[Event "URS-ch07 Final"]
[Site "Moscow"]
[Date "1931.10.30"]
[Round "7"]
[White "Mazel, Isaak"]
[Black "Riumin, Nikolay Nikolaevich"]
[Result "1/2-1/2"]
[ECO "A27"]
[PlyCount "39"]
[EventDate "1931.10.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. e4 Bg7 5. d3 Nge7 6. Be2 0-0 7. 0-0 d6 8. Be3 f5 9. Nd5 f4 10. Bd2 Bg4 11. Rc1 Bxf3 12. Bxf3 Nd4 13. Bc3 Nxf3+ 14. Qxf3 Kh8 15. Rfd1 Ng8 16. Nb4 a5 17. Nc2 c5 18. a4 Nf6 19. Qe2 Qd7 20. b3 1/2-1/2

[Event "URS-ch07 Final"]
[Site "Moscow"]
[Date "1931.10.29"]
[Round "6"]
[White "Botvinnik, Mikhail"]
[Black "Mazel, Isaak"]
[Result "1-0"]
[ECO "E23"]
[PlyCount "71"]
[EventDate "1931.10.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Bg5 Bxc5 7. Nf3 h6 8. Bh4 Qb6 9. Qc2 Be7 10. e4 d6 11. Be2 0-0 12. 0-0 a6 13. Rad1 Rd8 14. Rd2 Bd7 15. Rfd1 Be8 16. Bg3 Na5 17. Nd4 Rac8 18. b3 Qc7 19. a4 Nc6 20. Nxc6 Qxc6 21. h3 b5 22. axb5 axb5 23. Nxb5 Qxe4 24. Nxd6 Bxd6 25. Bxd6 Rxd6 26. Qxe4 Nxe4 27. Rxd6 Nxd6 28. Rxd6 Rb8 29. Bd1 Kf8 30. Kf1 Ke7 31. Ra6 Kf6 32. Ke2 Ke5 33. Ke3 g5 34. Ra5+ Kd6 35. Kd4 f6 36. Ra6+ 1-0

[Event "URS-ch07 Final"]
[Site "Moscow"]
[Date "1931.10.28"]
[Round "5"]
[White "Mazel, Isaak"]
[Black "Yudovich, Mikhail Mikhailovic"]
[Result "0-1"]
[ECO "A39"]
[PlyCount "88"]
[EventDate "1931.10.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Bg2 0-0 8. 0-0 Qb6 9. Nb3 d6 10. Bg5 Be6 11. Nd5 Bxd5 12. cxd5 Ne5 13. Rc1 Rac8 14. Rc2 h6 15. Bxf6 Bxf6 16. Bh3 Rc4 17. Kh1 Rxc2 18. Qxc2 Qb5 19. Rd1 Nc4 20. Nd4 Qxd5+ 21. Bg2 Qc5 22. b3 Bxd4 23. Qxc4 Qxc4 24. bxc4 Bxf2 25. Bxb7 Rb8 26. Rb1 Kg7 27. Kg2 Bc5 28. Kf3 f5 29. Rb3 Kf6 30. e4 Ke5 31. exf5 gxf5 32. g4 fxg4+ 33. Kxg4 Kd4 34. Kh5 e5 35. h4 Rh8 36. Bd5 e4 37. Rb1 e3 38. Bf3 Rf8 39. Rd1+ Kxc4 40. Rf1 Kd4 41. Kxh6 Rxf3 42. Rxf3 e2 43. Rf4+ Kd3 44. Rf3+ Be3+ 0-1

[Event "URS-ch07 Final"]
[Site "Moscow"]
[Date "1931.10.27"]
[Round "4"]
[White "Bohatirchuk, Fedor Parfenovich"]
[Black "Mazel, Isaak"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "105"]
[EventDate "1931.10.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. e3 g6 3. Be2 Bg7 4. d3 d5 5. Nbd2 0-0 6. 0-0 c5 7. e4 Nc6 8. Re1 b6 9. Bf1 Qc7 10. c3 Bb7 11. Qc2 Rfd8 12. b3 dxe4 13. dxe4 Ng4 14. h3 Nge5 15. Nxe5 Qxe5 16. Bb2 Nb4 17. Qc1 Nd3 18. Bxd3 Rxd3 19. Nf3 Qc7 20. c4 Bxb2 21. Qxb2 Qf4 22. Qc1 Qxc1 23. Raxc1 Rad8 24. Re2 Rd1+ 25. Rxd1 Rxd1+ 26. Ne1 Bc6 27. f3 b5 28. Kf2 bxc4 29. bxc4 Rd4 30. Rc2 f5 31. exf5 gxf5 32. Ke2 Be8 33. Nd3 Bf7 34. Nb2 Kg7 35. g3 Kf6 36. Ke3 Ke5 37. Rc3 a6 38. f4+ Kd6 39. Rd3 e5 40. fxe5+ Kxe5 41. Ra3 Bxc4 42. Nxc4+ Rxc4 43. Rxa6 Rc3+ 44. Kf2 c4 45. Rh6 Ke4 46. Rxh7 Rc2+ 47. Ke1 Rxa2 48. Re7+ Kd3 49. Rd7+ Kc2 50. Rd5 c3 51. Rxf5 Kb1 52. Rf1 Rh2 53. Rf8 0-1

[Event "URS-ch07 Final"]
[Site "Moscow"]
[Date "1931.10.26"]
[Round "3"]
[White "Mazel, Isaak"]
[Black "Zamikhovsky, Abram Davidovich"]
[Result "0-1"]
[ECO "D11"]
[PlyCount "66"]
[EventDate "1931.10.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. b3 Bg4 4. g3 Nf6 5. Bg2 Nbd7 6. Bb2 e6 7. 0-0 Bd6 8. d4 0-0 9. Nc3 Qe7 10. Nd2 Bh5 11. Qc1 Rac8 12. e4 e5 13. dxe5 Nxe5 14. Qc2 d4 15. Nd1 Bc5 16. h3 Be2 17. Re1 Rfd8 18. Bf1 d3 19. Qc1 Nxe4 20. Bxe2 dxe2 21. Rxe2 Nxd2 22. Kg2 Ndf3 23. Ne3 Nd4 24. Nf5 Qf6 25. Nxd4 Bxd4 26. Bxd4 Rxd4 27. Qc3 h5 28. Rae1 Nd3 29. Re8+ Rxe8 30. Rxe8+ Kh7 31. Re2 c5 32. a3 h4 33. b4 Qc6+ 0-1

[Event "URS-ch07 Final"]
[Site "Moscow"]
[Date "1931.10.25"]
[Round "2"]
[White "Kan, Ilia Abramovich"]
[Black "Mazel, Isaak"]
[Result "0-1"]
[ECO "A30"]
[PlyCount "80"]
[EventDate "1931.10.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. 0-0 g6 6. b3 Bg7 7. Bb2 0-0 8. Nc3 Nc6 9. d4 Nxd4 10. Nxd4 Bxg2 11. Kxg2 cxd4 12. Qxd4 d6 13. Rad1 Re8 14. e4 Qc7 15. f3 Rac8 16. Qd2 Nd7 17. Nd5 Qb7 18. Bxg7 Kxg7 19. Qb2+ Kg8 20. h4 a6 21. h5 b5 22. hxg6 fxg6 23. cxb5 axb5 24. Rh1 Ne5 25. f4 Ng4 26. Qe2 e6 27. Qxg4 exd5 28. exd5 Rc2+ 29. Kh3 Ree2 30. Rd3 Qf7 31. a3 Qf8 32. Qf3 h5 33. f5 Qf7 34. Kh4 Qe7+ 35. Kh3 Qe5 36. Qf4 Qb2 37. g4 hxg4+ 38. Kxg4 Rg2+ 39. Rg3 Rxg3+ 40. Kxg3 Qxb3+ 0-1

[Event "URS-ch07 Final"]
[Site "Moscow"]
[Date "1931.10.24"]
[Round "1"]
[White "Mazel, Isaak"]
[Black "Verlinsky, Boris"]
[Result "0-1"]
[ECO "D11"]
[PlyCount "87"]
[EventDate "1931.10.24"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 Bf5 4. c4 e6 5. g3 Nbd7 6. Bg2 h6 7. 0-0 Be7 8. Nc3 c6 9. d4 0-0 10. Qd2 dxc4 11. bxc4 Nb6 12. c5 Nc4 13. Qc1 Bh7 14. Rd1 Qa5 15. Nd2 Nxb2 16. Qxb2 Rfd8 17. Nc4 Qc7 18. Rd2 Nd7 19. Ne4 Bxe4 20. Bxe4 Bf6 21. Qb3 Nxc5 22. Qe3 b5 23. Nb2 Nxe4 24. Qxe4 c5 25. Rc1 c4 26. e3 Rac8 27. Nd1 b4 28. f4 a5 29. g4 a4 30. Rdc2 c3 31. a3 bxa3 32. Rxc3 Qd7 33. Qc2 Rxc3 34. Qxc3 e5 35. fxe5 Qxg4+ 36. Kf1 Qf3+ 37. Kg1 Bg5 38. Ra1 Qe2 39. Qxa3 Rc8 40. Rc1 Rc2 41. Rxc2 Qxd1+ 42. Kf2 Qxc2+ 43. Kf3 Qb3 44. Qc1 0-1

[Event "URS-ch07 Semifinal Group 3"]
[Site "Moscow"]
[Date "1931.10.??"]
[Round "?"]
[White "Freiman, Sergey Nikolaevich"]
[Black "Mazel, Isaak"]
[Result "1/2-1/2"]
[ECO "C13"]
[PlyCount "64"]
[EventDate "1931.10.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nf3 b6 8. Bb5+ c6 9. Bd3 Nd7 10. 0-0 Qc7 11. Qe2 Bb7 12. Rfe1 0-0-0 13. a4 Rhg8 14. a5 bxa5 15. Ba6 Rg6 16. Bxb7+ Kxb7 17. Ned2 Rdg8 18. g3 f5 19. Nc4 f4 20. Nxa5+ Ka8 21. Qe4 Rc8 22. Ne5 Nxe5 23. dxe5 fxg3 24. hxg3 h5 25. Qe3 Bg5 26. f4 Bh4 27. Qc5 Rxg3+ 28. Kh2 Qd8 29. Nc4 Rc7 30. Red1 Qg8 31. Rxa7+ Rxa7 32. Qxc6+ Kb8 1/2-1/2

[Event "URS-ch07 Semifinal Group 3"]
[Site "Moscow"]
[Date "1931.10.??"]
[Round "?"]
[White "Mazel, Isaak"]
[Black "Tanin, Sergey P"]
[Result "1-0"]
[ECO "A05"]
[PlyCount "111"]
[EventDate "1931.10.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. c4 c5 5. g3 0-0 6. Bg2 Nc6 7. 0-0 d5 8. cxd5 Nxd5 9. Bxg7 Kxg7 10. d4 cxd4 11. Nxd4 e5 12. Nxc6 bxc6 13. Qc2 Qb6 14. Nc3 Nb4 15. Qe4 Qd4 16. Na4 Bf5 17. Qxd4 exd4 18. a3 Nc2 19. Ra2 d3 20. exd3 Nd4 21. Nc5 a5 22. f4 Rab8 23. Rb2 Rb5 24. Rc1 Rfb8 25. Rc4 Ne6 26. d4 Nxd4 27. a4 Rb4 28. Rxb4 Rxb4 29. Kf2 Be6 30. Ke3 Kf6 31. Kd3 Ke7 32. Kc3 Kd6 33. Nd3 c5 34. Nxb4 axb4+ 35. Kd2 Bxb3 36. a5 c4 37. a6 c3+ 38. Kc1 cxb2+ 39. Kxb2 Nb5 40. Kxb3 Kc5 41. Bf1 Na7 42. g4 f6 43. Bd3 g5 44. fxg5 fxg5 45. Bxh7 Nc8 46. Be4 Na7 47. Bb7 Nb5 48. Bc8 Na7 49. Bd7 Kd6 50. Ba4 Kc5 51. Be8 Nc8 52. Bd7 Na7 53. h4 gxh4 54. g5 Kd6 55. g6 Ke7 56. Kxb4 1-0

