[Event "URS-chT Cup 01st"]
[Site "Odessa"]
[Date "1952.09.??"]
[Round "8"]
[White "Sidorov, Boris N"]
[Black "Bannik, Anatolij"]
[Result "1-0"]
[ECO "B88"]
[PlyCount "45"]
[EventDate "1952.09.06"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Zenit"]
[BlackTeam "Nauka"]
[WhiteTeamCountry "URS"]
[BlackTeamCountry "URS"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. 0-0 e6 8. Bb3 a6 9. f4 Qc7 10. Kh1 Be7 11. f5 Nxd4 12. Qxd4 0-0 13. Bg5 Rad8 14. Rad1 exf5 15. exf5 Qa5 16. Rde1 Rfe8 17. Rxe7 Rxe7 18. Bxf6 gxf6 19. Nd5 Re1 20. Nxf6+ Kf8 21. Nxd7+ Ke7 22. Qh4+ Kxd7 23. Rxe1 1-0

[Event "URS-chT Cup 01st"]
[Site "Odessa"]
[Date "1952.09.??"]
[Round "5"]
[White "Sidorov, Boris N"]
[Black "Zagorovsky, Vladimir Pavlovich"]
[Result "1/2-1/2"]
[ECO "C99"]
[PlyCount "67"]
[EventDate "1952.09.06"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Zenit"]
[BlackTeam "Soviet Army"]
[WhiteTeamCountry "URS"]
[BlackTeamCountry "URS"]

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 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Bb7 14. Nf1 Rac8 15. Bd3 d5 16. dxe5 Nxe4 17. Ng3 f5 18. exf6 Bxf6 19. Bxe4 dxe4 20. Nxe4 Bxe4 21. Rxe4 Rfd8 22. Qe1 Nc4 23. Rb1 Qd7 24. b3 Qd3 25. Bg5 Bc3 26. Bxd8 Bxe1 27. Re8+ Kf7 28. Rbxe1 Rxd8 29. Rxd8 Qxd8 30. bxc4 bxc4 31. Ne5+ Kf6 32. Nxc4 Qd3 33. Rc1 Qe2 34. a4 1/2-1/2

[Event "URS-ch18 Semifinal"]
[Site "Gorky"]
[Date "1950.10.??"]
[Round "12"]
[White "Petrosian, Tigran V"]
[Black "Sidorov, Boris N"]
[Result "1-0"]
[ECO "D36"]
[PlyCount "83"]
[EventDate "1950.09.??"]
[EventType "tourn"]
[EventRounds "16"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. Nc3 c6 5. cxd5 exd5 6. Qc2 Bd6 7. Bg5 0-0 8. e3 Nbd7 9. Bd3 Qc7 10. 0-0-0 Re8 11. g4 Kh8 12. Rdg1 b5 13. Bxf6 Nxf6 14. g5 Ne4 15. Nxe4 dxe4 16. Bxe4 Be6 17. g6 hxg6 18. Ng5 f5 19. Nxe6 Rxe6 20. Bf3 Rc8 21. h4 c5 22. d5 Rf6 23. h5 g5 24. Rxg5 c4 25. Kb1 Rcf8 26. Rhg1 R8f7 27. Rg6 Be5 28. h6 gxh6 29. Rg8+ Kh7 30. Bh5 Rf8 31. Rxf8 Rxf8 32. f4 Bg7 33. Bg6+ Kh8 34. Bxf5 Qc5 35. Qg2 Qe7 36. Qg6 Rxf5 37. Qxf5 Qxe3 38. Rd1 Qf2 39. Qc2 Qxf4 40. d6 Qf8 41. d7 Qd8 42. Qg6 1-0

[Event "URS-ch18 Semifinal"]
[Site "Gorky"]
[Date "1950.10.??"]
[Round "15"]
[White "Sidorov, Boris N"]
[Black "Furman, Semen Abramovich"]
[Result "0-1"]
[ECO "C18"]
[PlyCount "54"]
[EventDate "1950.09.??"]
[EventType "tourn"]
[EventRounds "16"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Nf5 8. Bd3 h5 9. Qh3 cxd4 10. g4 Qa5 11. Ne2 Ne7 12. 0-0 dxc3 13. Ng3 h4 14. Nh5 g6 15. Nf6+ Kd8 16. Bg5 Nbc6 17. f4 b6 18. Rfe1 Kc7 19. Bxh4 Ba6 20. Bxa6 Qxa6 21. Qg3 Nd4 22. Qf2 Rxh4 23. Qxd4 Nc6 24. Qd1 Qc4 25. Rf1 Rah8 26. Rf2 Qc5 27. Qf3 Rxh2 0-1

[Event "URS-ch18 Semifinal"]
[Site "Gorky"]
[Date "1950.09.??"]
[Round "10"]
[White "Estrin, Yakov Borisovich"]
[Black "Sidorov, Boris N"]
[Result "0-1"]
[ECO "B67"]
[PlyCount "98"]
[EventDate "1950.09.??"]
[EventType "tourn"]
[EventRounds "16"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 h6 10. Bh4 Nxe4 11. Qe1 Nf6 12. Nf5 Qa5 13. Nxd6+ Bxd6 14. Rxd6 Nb4 15. a3 Nc6 16. Be2 Ne7 17. Bxf6 gxf6 18. Qh4 Qf5 19. Bd3 Ng6 20. Bxf5 Nxh4 21. Be4 f5 22. Bxb7 Ra7 23. Bxa6 Nxg2 24. Ne2 Ke7 25. Rb6 Rg8 26. Rg1 Rg6 27. Rh1 e5 28. Rxg6 fxg6 29. Bc4 Nxf4 30. Nxf4 exf4 31. Bd5 g5 32. Kd2 Kf6 33. c4 g4 34. Kd3 f3 35. Ke3 Ke5 36. Ra1 h5 37. b4 h4 38. Ra2 Be8 39. Kf2 Kf4 40. b5 g3+ 41. Kf1 Bf7 42. b6 Bxd5 43. cxd5 Re7 44. d6 g2+ 45. Rxg2 fxg2+ 46. Kxg2 Rb7 47. d7 Rxd7 48. a4 Rd2+ 49. Kh3 Ra2 0-1

[Event "URS-ch18 Semifinal"]
[Site "Gorky"]
[Date "1950.09.??"]
[Round "8"]
[White "Levenfish, Grigory"]
[Black "Sidorov, Boris N"]
[Result "0-1"]
[ECO "E48"]
[PlyCount "78"]
[EventDate "1950.09.??"]
[EventType "tourn"]
[EventRounds "16"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 0-0 6. Nge2 d5 7. a3 cxd4 8. axb4 dxc3 9. bxc3 Nc6 10. 0-0 Ne5 11. c5 b6 12. Ba3 bxc5 13. bxc5 Nxd3 14. Qxd3 a5 15. Rfb1 Ba6 16. Qc2 Qc7 17. Rb6 Ng4 18. g3 Ne5 19. Nd4 Nc4 20. Qa4 Rfc8 21. Rab1 Nxb6 22. cxb6 Qb7 23. Qc2 Bc4 24. Nb5 Bxb5 25. Rxb5 Rc6 26. Qb3 Rac8 27. Bb2 Rc5 28. e4 Rxb5 29. Qxb5 Rc6 30. exd5 exd5 31. Qxd5 Qxb6 32. c4 Rd6 33. Qe5 Rd1+ 34. Kg2 Qc6+ 35. f3 Rd2+ 36. Kg1 f6 37. Qb8+ Kf7 38. Qa7+ Kg6 39. Qe3 Rxb2 0-1

[Event "URS-ch18 Semifinal"]
[Site "Gorky"]
[Date "1950.09.??"]
[Round "5"]
[White "Sidorov, Boris N"]
[Black "Dubinin, Peter Vasilievich"]
[Result "1/2-1/2"]
[ECO "B66"]
[PlyCount "125"]
[EventDate "1950.09.??"]
[EventType "tourn"]
[EventRounds "16"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 h6 9. Bf4 Bd7 10. Bg3 Be7 11. Qe3 0-0 12. Be2 Qc7 13. Rd2 b5 14. Nb3 Ne5 15. f4 b4 16. Nd1 Nc4 17. Bxc4 Qxc4 18. Bh4 Rfc8 19. Qd4 Qb5 20. e5 dxe5 21. fxe5 Rc4 22. Qd3 Rxh4 23. exf6 Bxf6 24. Qxd7 Bg5 25. Qxb5 axb5 26. Kb1 Bxd2 27. Nxd2 Rd8 28. Kc1 g5 29. Nf2 Kg7 30. g3 Rhd4 31. Nf3 Rc4 32. Ne5 Rc7 33. Ned3 Rc4 34. b3 Rcd4 35. Re1 R8d5 36. Ne5 Rc5 37. Nfd3 Rc7 38. Kb2 f5 39. Nf3 Re4 40. Nf2 Rxe1 41. Nxe1 Rd7 42. Ned3 h5 43. Kc1 Kf6 44. Kd2 h4 45. Ke2 g4 46. Nxb4 e5 47. Nfd3 hxg3 48. hxg3 Rh7 49. Nf2 Kg5 50. Nbd3 Re7 51. Nc5 Ra7 52. a4 bxa4 53. Nxa4 f4 54. Ne4+ Kf5 55. Nac5 Rh7 56. b4 Rh2+ 57. Kd3 Rh3 58. b5 fxg3 59. Ke3 g2+ 60. Kf2 g3+ 61. Kxg2 Kg4 62. c4 Rh2+ 63. Kg1 1/2-1/2

[Event "URS-ch18 Semifinal"]
[Site "Gorky"]
[Date "1950.09.??"]
[Round "9"]
[White "Sidorov, Boris N"]
[Black "Ufimtsev, Anatoly Gavrilovich"]
[Result "0-1"]
[ECO "B57"]
[PlyCount "92"]
[EventDate "1950.09.??"]
[EventType "tourn"]
[EventRounds "16"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e5 7. Nde2 h6 8. 0-0 Be7 9. Ng3 Bg4 10. f3 Qb6+ 11. Kh1 Bd7 12. Qd3 Nb4 13. Qe2 0-0 14. Be3 Qc7 15. Bb3 a6 16. Rfd1 Rac8 17. Qf2 b5 18. a4 bxa4 19. Nxa4 Nxc2 20. Bb6 Nxa1 21. Bxc7 Nxb3 22. Nc3 Rxc7 23. Qb6 Rxc3 24. bxc3 Nc5 25. Nf5 Bxf5 26. exf5 e4 27. Qc6 a5 28. c4 a4 29. Re1 a3 30. Ra1 Rb8 31. g4 e3 32. Qc7 Re8 33. Re1 Bf8 34. Qa5 Nd3 35. Re2 Nf4 36. Re1 d5 37. cxd5 N4xd5 38. Qa7 Bb4 39. Re2 Rc8 40. h4 Rc1+ 41. Kg2 Nf4+ 42. Kh2 Nxe2 43. g5 Bd6+ 44. Kg2 Rg1+ 45. Kh3 Rg3+ 46. Kh2 Rxg5+ 0-1

[Event "URS-ch18 Semifinal"]
[Site "Gorky"]
[Date "1950.??.??"]
[Round "14"]
[White "Byvshev, Vasily Mikhailovich"]
[Black "Sidorov, Boris N"]
[Result "1/2-1/2"]
[ECO "C89"]
[PlyCount "118"]
[EventDate "1950.09.??"]
[EventType "tourn"]
[EventRounds "16"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. 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. Qd3 Bf5 16. Qf1 Qh5 17. Bd1 Qg6 18. Nd2 Nf4 19. Kh1 Bh3 20. Qg1 Bg2+ 21. Qxg2 Nxg2 22. Kxg2 Rae8 23. Nf3 Rxe1 24. Nxe1 Qe4+ 25. Nf3 f5 26. Bb3+ Kh8 27. Bd2 f4 28. Re1 Qf5 29. Be6 Qf6 30. Bg4 Qg6 31. Bh3 fxg3 32. hxg3 Qf7 33. Re3 Qxa2 34. b4 Qf7 35. Be6 Qf6 36. Bd7 Bc7 37. Be1 Qd6 38. Bg4 Qd5 39. Be6 Qd6 40. Bd2 g6 41. Re4 Kg7 42. Be3 h6 43. Bb3 Qf6 44. Nd2 Qd8 45. d5 cxd5 46. Re6 Re8 47. Bd4+ Kh7 48. Rxa6 Be5 49. Bc5 Bxc3 50. Nf3 Qc8 51. Ra7+ Kh8 52. Bxd5 Qf5 53. Bf7 Rc8 54. Nh4 Rxc5 55. Nxf5 Rxf5 56. Bxg6 Rxf2+ 57. Kxf2 Bd4+ 58. Ke2 Bxa7 59. Kd3 Bf2 1/2-1/2

