[Event "Leningrad Spartak-ch"]
[Site "Leningrad"]
[Date "1972.??.??"]
[Round "?"]
[White "Feldman, Yakov"]
[Black "Ioffe, Alexander"]
[Result "1-0"]
[ECO "B96"]
[PlyCount "47"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Bc4 Qb6 9. Bb3 Be7 10. Qd2 Qc7 11. Bxe6 fxe6 12. Nxe6 Qc4 13. Nxg7+ Kf7 14. Nf5 Nxe4 15. Qe3 Ndc5 16. Nxe7 Bg4 17. Nxe4 Nxe4 18. h3 Rae8 19. b3 Qxc2 20. 0-0 Be2 21. Rfe1 Nxg5 22. Rxe2 Qc5 23. Qxc5 dxc5 24. Rae1 1-0

[Event "Leningrad-ch43 Semifinal"]
[Site "Leningrad"]
[Date "1970.??.??"]
[Round "?"]
[White "Feldman, Yakov"]
[Black "Diubin"]
[Result "1-0"]
[ECO "B99"]
[PlyCount "53"]
[EventDate "1970.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Nbd7 10. 0-0-0 Qc7 11. Be2 g5 12. fxg5 Ne5 13. Qe3 Nh7 14. Rhf1 hxg5 15. Bg3 Nf8 16. Nf3 f6 17. Nxg5 fxg5 18. Bxe5 dxe5 19. Qf2 Bd6 20. Rxd6 Qxd6 21. Qf7+ Kd8 22. Rd1 Qxd1+ 23. Kxd1 Nd7 24. Qxe6 Re8 25. Qd6 b5 26. Nd5 Ra7 27. Bh5 1-0

[Event "Leningrad"]
[Site "Leningrad"]
[Date "1970.??.??"]
[Round "?"]
[White "Feldman, Yakov"]
[Black "Joffe, Manne"]
[Result "1-0"]
[ECO "B97"]
[PlyCount "85"]
[EventDate "1970.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Nb3 Nc6 10. Bd3 d5 11. Bxf6 gxf6 12. Na4 Qa3 13. Nb6 d4 14. 0-0 Rb8 15. f5 Qb4 16. fxe6 Bxe6 17. Nd5 Qxd2 18. Nxf6+ Ke7 19. Nxd2 Bh6 20. Nd5+ Bxd5 21. exd5 Ne5 22. d6+ Ke6 23. Ne4 Be3+ 24. Kh1 f5 25. Nc5+ Kxd6 26. Rxf5 Nxd3 27. cxd3 Rhc8 28. Ne4+ Ke7 29. Raf1 Rf8 30. Rxf8 Rxf8 31. Rxf8 Kxf8 32. Nc5 b6 33. Nd7+ Ke7 34. Nxb6 Kd6 35. Nc4+ Kc5 36. a3 Bc1 37. g4 Kb5 38. h4 Ka4 39. Kg2 Kb3 40. Kf3 Kc3 41. Ke4 a5 42. Nxa5 Bxa3 43. Nc6 1-0

[Event "Leningrad"]
[Site "Leningrad"]
[Date "1970.??.??"]
[Round "?"]
[White "Khasin, Alexander"]
[Black "Feldman, Yakov"]
[Result "1-0"]
[ECO "A86"]
[PlyCount "45"]
[EventDate "1970.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 d6 4. d5 g6 5. c4 Bg7 6. Nh3 0-0 7. 0-0 Nbd7 8. Nc3 Ne5 9. b3 c6 10. Bb2 cxd5 11. cxd5 Bd7 12. Nf4 Rc8 13. e3 Qa5 14. Nce2 g5 15. Ne6 Bxe6 16. dxe6 Ne4 17. Nd4 Nd2 18. Re1 f4 19. gxf4 gxf4 20. Re2 fxe3 21. fxe3 Nef3+ 22. Bxf3 Bxd4 23. Rg2+ 1-0

[Event "Leningrad-ch43 Semifinal"]
[Site "Leningrad"]
[Date "1970.??.??"]
[Round "?"]
[White "Sosonko, Gennadi"]
[Black "Feldman, Yakov"]
[Result "1-0"]
[ECO "E94"]
[PlyCount "103"]
[EventDate "1970.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Qe7 8. Bg5 c6 9. c5 h6 10. Bh4 Nbd7 11. cxd6 Qxd6 12. dxe5 Qxd1 13. Raxd1 Ng4 14. e6 fxe6 15. Nd4 Bxd4 16. Rxd4 Nge5 17. f4 Nf7 18. Rfd1 Nb6 19. Bf6 e5 20. fxe5 Be6 21. b4 Rae8 22. a4 Bb3 23. a5 Bxd1 24. Bxd1 Nxe5 25. Bxe5 Rxe5 26. axb6 axb6 27. Rd7 Ra8 28. Kf2 Ra3 29. Rd3 c5 30. b5 c4 31. Rf3 Kg7 32. Be2 Rc5 33. Ke1 Ra1+ 34. Kd2 Rg1 35. Bf1 Rc8 36. Ke3 g5 37. Kd4 g4 38. Rf5 Rf8 39. Bxc4 Rxf5 40. exf5 Rxg2 41. Ne4 Rxh2 42. f6+ Kf8 43. Ke5 Rg2 44. Kf4 h5 45. Ng5 Rf2+ 46. Kg3 Rf5 47. Ne6+ Kf7 48. Ng7+ Kxf6 49. Nxf5 Kxf5 50. Kh4 Ke4 51. Bf7 Kd4 52. Bxh5 1-0

