[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. O-O g6 6. b3 Bg7 7. Bb2 O-O 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 "1931.10.27"]
[Round "4"]
[White "Bohatirchuk, Fedor Parfenovich"]
[Black "Mazel, Isaak"]
[Result "0-1"]
[ECO "A05"]
[Annotator "ChessBase"]
[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 O-O 6. O-O 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 $15 {[%mdl 4096] [#] R<->R} 43. Rxa6
Rc3+ 44. Kf2 c4 45. Rh6 (45. a4 Ra3 $15) 45... Ke4 $15 {[#]} (45... Rc2+ $17)
46. Rxh7 (46. Rh4+ Kd3 47. Rxh7 $11 Rc2+ 48. Kf3) 46... Rc2+ 47. Ke1 Rxa2 $17
48. Re7+ (48. h4 Rg2 $17) 48... Kd3 49. Rd7+ Kc2 {[#]} 50. Rd5 $2 (50. g4 fxg4
51. hxg4 c3 52. g5 $11) 50... c3 $19 51. Rxf5 Kb1 52. Rf1 Rh2 53. Rf8 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. O-O-O b5 14. Nc5
Nxc5 15. dxc5 Bxc5 16. Rd2 O-O 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 "1931.11.05"]
[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 O-O 8. O-O
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 "1931.11.09"]
[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. O-O Nh6 8.
Ng3 O-O 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 "1931.11.10"]
[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 O-O 6. Bg2 a5 7. Nc3 c6 8. d4
Nbd7 9. O-O 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-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. O-O-O
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 "1934.12.15"]
[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. O-O
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 "1934.12.16"]
[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.
O-O O-O 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 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. O-O O-O 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 "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. O-O O-O 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. O-O-O Bb7 11. Nge2 O-O-O 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 c1=Q 51. h8=Q Nd2+ 0-1

[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. O-O Qc7 7. Nbd2 Bg7 8. e4
cxd4 9. Nxd4 O-O 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 "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 O-O 6. Bb2 Nbd7 7. e3 e5 8. dxe5
dxe5 9. Be2 Re8 10. O-O 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 "1938.03.13"]
[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 O-O 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. O-O-O
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-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 O-O 9. Bd2 b6 10. O-O-O 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 "1938.05.23"]
[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 O-O 9. Qc2 b6 10. Bd3 h6 11. Bxf6 Bxf6 12. Bh7+ Kh8 13. Be4 Rb8 14. O-O-O
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 "1938.06.09"]
[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. O-O O-O 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 "Moscow-ch21"]
[Site "Moscow"]
[Date "1941.11.??"]
[Round "?"]
[White "Mazel, Isaak"]
[Black "Alatortsev, Vladimir"]
[Result "1-0"]
[ECO "A27"]
[Annotator "ChessBase II"]
[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 {[%csl Gd4]} (3... Nf6) (3... f5) 4. d4 (4. e3
$143 Bg7 5. d4 d6) 4... exd4 5. Nxd4 (5. Nd5) 5... Bg7 6. Nc2 $1 $146 (6. Nxc6
{Ragozin,V-Alatortsev,V URS-ch10 Tbilisi 1937 1/2}) 6... d6 7. g3 Ne5 8. Ne3
$14 {[%csl Gd5][%cal Ge3c4]} Be6 9. Bg2 c6 10. Ne4 Ke7 $6 (10... d5 $142 11.
cxd5 cxd5) 11. O-O Nxc4 $6 (11... Nf6 $142) 12. Nxc4 Bxc4 13. Bg5+ (13. Bf4)
13... f6 {[%csl Re6]} 14. Qd4 (14. Bf4 $5 {[%csl Rd6]} d5 15. Qa4 {[%csl Re7]
[%cal Ga4b4]} Bf8 (15... b5 16. Qb4+)) 14... Bd5 15. Bf4 Bxe4 16. Qxe4+ Kf7 17.
Qb4 (17. Rad1 d5 18. Qb4 {[%csl Rb7][%cal Ge2e4,Gg2d5]} Qb6) 17... Qb6 18. Qxd6
Rd8 19. Qa3 Ne7 20. e4 $16 f5 21. e5 Rhe8 22. Rfe1 Nd5 23. Bg5 Rc8 24. Qd6 Ne7
25. Bf1 (25. e6+ $40) 25... Rcd8 26. Bc4+ Kf8 27. Qe6 $40 Nd5 28. Bxd8 Qxd8 29.
Qd6+ Qxd6 30. exd6 Nb6 31. Rxe8+ Kxe8 32. Re1+ Kd8 (32... Kd7 33. Re7+ {
[%cal Ge7g7]}) 33. Bg8 $1 {[%csl Rh7][%cal Ge1e7,Ge7g7,Ge7b7]} h6 34. b3 (34.
Re7) 34... Bf8 35. Re6 g5 36. Rf6 Nd7 37. Rg6 f4 38. gxf4 gxf4 39. Bf7 b5 40.
Rg8 c5 41. Be6 1-0