[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.04.14"]
[Round "1"]
[White "Spassky, Boris Vasilievich"]
[Black "Petrosian, Tigran V"]
[Result "0-1"]
[ECO "B42"]
[Annotator "Bulletin"]
[PlyCount "112"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Nxc6 bxc6 7. O-O d5 8.
Nd2 Nf6 9. Qe2 Be7 10. b3 O-O 11. Bb2 a5 12. f4 $1 g6 (12... Nd7 $5) 13. Rad1 (
13. exd5 cxd5 14. Qe5 Ba6) (13. Rae1 $1) 13... Nd7 14. c4 a4 15. f5 $1 exf5 16.
exf5 Bf6 17. Bxf6 (17. fxg6 $5) 17... Nxf6 18. Qf2 axb3 19. axb3 Ra2 20. fxg6 (
20. Bb1) 20... fxg6 21. h3 Qe7 $1 22. Qd4 c5 23. Qf4 Bb7 $1 24. Rde1 Qg7 25.
Qe3 d4 $1 26. Qe6+ Qf7 27. Qe2 Re8 28. Qf2 Rxe1 29. Qxe1 Qe8 $1 30. Qxe8+ Nxe8
31. Be4 Rxd2 32. Bxb7 Nd6 33. Bd5+ Kg7 34. b4 cxb4 35. c5 Nf5 36. c6 (36. Rb1)
36... Rc2 37. g4 $2 (37. Rb1 $1) 37... Nd6 $2 (37... Ne3 38. Rf7+ Kh6 39. Be4
b3 40. c7 (40. Rb7 Nc4 41. c7 Nd6) 40... Rc3 41. Rd7 Rc4 {/\ 42...Kg5}) 38. Rf4
d3 39. Rd4 d2 40. Bb3 Rxc6 41. Rxd2 Ne4 42. Rd7+ Kf6 43. Rxh7 Rc1+ 44. Kg2 Nc5
45. Bf7 $1 (45. Bd5 b3 46. Bxb3 Nxb3 47. h4 Nd4 $1 48. g5+ Kf5 49. h5 gxh5 50.
Rxh5 Kg4) 45... b3 46. g5+ Kxg5 47. h4+ Kf6 48. h5 Rc2+ (48... gxh5 49. Bxb3 $1
) (48... g5 49. Bg6 $1) 49. Kf3 b2 50. Ba2 gxh5 (50... g5 51. Rf7+ Ke5 52. h6)
51. Rxh5 Rc1 52. Rh6+ $2 (52. Ke3 Na4 53. Rh4 Nc3 54. Rb4) 52... Ke5 53. Rb6
Na4 54. Re6+ (54. Rb4 Ra1 55. Rxa4 Rxa2 56. Rb4 Kd5) 54... Kd4 55. Re4+ Kc5 56.
Rxa4 Ra1 0-1

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.04.16"]
[Round "2"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]
[ECO "D34"]
[Annotator "Bulletin"]
[PlyCount "121"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O
O-O 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Bg4 12. Nb3 Be6 13. Rc1 (13. Nc5 d4 $1)
13... Re8 14. Nb5 (14. Nc5 Bxc5 15. Bxc5 Ne4) 14... Qd7 15. N5d4 Bh3 16. Nxc6
bxc6 17. Qd3 Bxg2 18. Kxg2 a5 $1 19. Rc2 a4 20. Nd2 $2 (20. Nc5) 20... Qb7 21.
Kg1 Rac8 22. Rfc1 Nd7 23. Nf3 c5 24. b3 axb3 $2 (24... Bf8) 25. axb3 Bf8 26.
Ra1 Nf6 27. Rca2 Ra8 28. Rxa8 Rxa8 29. Rxa8 Qxa8 30. Qc2 Ne4 31. Nd2 Nxd2 32.
Bxd2 Qa6 33. Kf1 (33. e4 $2 Qe2 34. exd5 c4 35. bxc4 Bb4) 33... Qb5 34. Bc3 g6
35. Qd1 Qc6 36. f3 Qe6 37. Kg2 h5 38. h3 Bd6 (38... h4 39. gxh4 $1) 39. Qd3 $1
Be5 40. Bxe5 Qxe5 41. h4 $1 Kf8 42. Kf1 Ke7 43. Kf2 Qe6 44. Qb5 Qd6 45. Qb7+
Kf6 46. Qb5 Qc7 47. Qd3 c4 48. bxc4 dxc4 49. Qc3+ Ke6 50. Ke3 $1 Qc5+ (50...
Qe5+ 51. Kd2 Qxc3+ $2 52. Kxc3 Kd5 53. e4+ $1) 51. Qd4 Qa3+ 52. Kd2 Qa5+ 53.
Kc2 Qb5 54. Kc3 Qb3+ 55. Kd2 Qb4+ 56. Kc2 Qa4+ 57. Kc3 Qa5+ 58. Kxc4 Qc7+ 59.
Kd3 Qxg3 60. Qc4+ Kf6 61. Qd4+ 1/2-1/2

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.04.18"]
[Round "3"]
[White "Spassky, Boris Vasilievich"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[ECO "B36"]
[Annotator "Bulletin"]
[PlyCount "86"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 8.
Be3 Bg7 9. f3 O-O 10. Qd2 Be6 (10... Qa5 11. Nb5 $1) 11. Rc1 Qa5 12. Be2 (12.
Nd5 $1) 12... Rfc8 13. b3 a6 14. Nd5 (14. O-O b5) 14... Qxd2+ 15. Kxd2 Nxd5 16.
cxd5 Bd7 17. Rxc8+ Rxc8 18. Rc1 Rxc1 19. Kxc1 Kf8 20. Kc2 e6 21. a4 exd5 22.
exd5 Ke7 23. Bd3 Be5 24. g3 Ke8 25. Kd2 Ke7 26. Bb6 Be8 27. f4 Bg7 28. g4 Bd7
29. h3 h5 30. Be2 hxg4 31. hxg4 Bb2 32. Ke3 Bc1+ 33. Kf3 Bb2 34. Bd3 Bc3 35. f5
gxf5 36. Bxf5 Bxf5 37. gxf5 Kd7 38. Ke4 Be1 39. Kd3 Kc8 40. Kc4 Bd2 41. b4 Be1
42. b5 Bd2 43. Bd4 Be1 1/2-1/2

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.04.21"]
[Round "4"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris Vasilievich"]
[Result "0-1"]
[ECO "D34"]
[Annotator "Bulletin"]
[PlyCount "82"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O
O-O 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Bg4 12. Nb3 Be6 13. Rc1 Re8 14. Re1 Qd7 15.
Bc5 $1 Rac8 16. Bxe7 Qxe7 17. e3 Red8 18. Qe2 Bg4 $1 (18... d4 19. Nxd4 Nxd4
20. exd4 Rxd4 21. Nb5 Rxc1 22. Nxd4 $1) 19. f3 (19. Qf1 Ne4 20. Ne2) 19... Bf5
20. Rcd1 Ne5 21. Nd4 (21. Nxd5 Rxd5 22. Rxd5 Nxd5 23. e4 Nd3 $1) 21... Bg6 (
21... Bd7 22. f4 Bg4 23. fxe5 $1) 22. Bh3 Rc4 $5 23. g4 (23. f4 h5 24. Qf1 Nc6
25. g4 Nxg4 26. Nxd5 Rxd5 27. Qxc4 Qh4 $1) (23. Qf1 Qb4) 23... Rb4 24. b3 (24.
f4 Nc4 {/\ Nd6}) 24... Nc6 25. Qd2 Rb6 26. Nce2 $2 (26. Na4) 26... Bh7 27. Bg2
Re8 28. Ng3 Nxd4 29. exd4 Re6 30. Rxe6 Qxe6 31. Rc1 Bg6 32. Bf1 $2 (32. Kf2 $1)
32... Nh7 33. Qf4 Nf8 34. Rc5 (34. Qe5 $1) 34... Bb1 $1 35. a4 Ng6 36. Qd2 Qf6
37. Kf2 (37. Rc1 Nh4) 37... Nf4 38. a5 (38. Rc3 Ne6) 38... Bd3 $1 39. Nf5 (39.
Qc3 Qh4 40. Kg1 Bxf1 41. Rc8 Bb5 $1) 39... Qg5 $1 {[/\ 40...Nh3+]} 40. Ne3 Qh4+
41. Kg1 Bxf1 (41... Bxf1 42. Nxf1 (42. Kxf1 Qh3+ 43. Kf2 Qxh2+ 44. Ke1 Rxe3+)
42... Re2) 0-1

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.04.23"]
[Round "5"]
[White "Spassky, Boris Vasilievich"]
[Black "Petrosian, Tigran V"]
[Result "1-0"]
[ECO "D41"]
[Annotator "Bulletin"]
[PlyCount "59"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8.
cxd4 Bb4+ 9. Bd2 Bxd2+ (9... Qa5 10. Rb1 Bxd2+ 11. Qxd2 Qxd2+ 12. Kxd2 $14) 10.
Qxd2 O-O 11. Bc4 Nc6 12. O-O b6 13. Rad1 $6 (13. Rfe1 $5) 13... Bb7 $6 (13...
Na5 14. Bd3 Bb7 15. Rfe1 Rc8 $2 (15... Qd6 $13) 16. d5 exd5 17. e5 $1) 14. Rfe1
(14. d5 Na5 15. Bd3 (15. dxe6 $5) 15... exd5 16. e5 Bc8 $1) 14... Rc8 $6 (14...
Na5 15. Bd3 (15. Bf1 Qd6 {/\ Rfd8+/=}) 15... Qd6) 15. d5 $1 exd5 $2 (15... Na5
$1 16. dxe6 Qxd2 (16... Nxc4 17. exf7+ Kh8 18. Qxd8 Rcxd8 19. Rxd8 Rxd8 20. e5
$18) 17. exf7+ Kh8 18. Nxd2 Nxc4 19. Nxc4 Rxc4 20. e5 Bc8 21. e6 Bxe6 22. Rxe6
g6 $10) (15... Na5 $1 16. Bd3 exd5 17. e5 $5) 16. Bxd5 $16 (16. exd5 Na5 17.
Bf1 Qd6 18. Ng5 Qh6 $1) 16... Na5 (16... Qe7 17. Qf4 Rc7 18. Nh4 Qe5) 17. Qf4
Qc7 (17... Qe7 18. Nd4 {/\ Nf5+/-}) 18. Qf5 Bxd5 19. exd5 Qc2 (19... Nc4 20.
Ng5 g6 21. Qh3 h5 22. Ne4 $16) (19... Qd6 20. Ng5 Qg6 21. Qxg6 hxg6 22. d6 $1
Nb7 23. d7 Rcd8 24. Re7 Nc5 25. Rd5 $1 $16) 20. Qf4 $1 (20. Qxc2 Rxc2 21. Re7
$1 $16) 20... Qxa2 21. d6 $1 Rcd8 22. d7 Qc4 23. Qf5 h6 (23... Qc6 24. Ne5 Qe6
25. Qc2) 24. Rc1 Qa6 25. Rc7 b5 26. Nd4 (26. Re8 $1 {/\ Ne5+-}) 26... Qb6 {>=}
(26... Qd6 27. Nxb5 Qd2 28. Rf1 Nb3 $1) 27. Rc8 $1 $18 Nb7 (27... b4 28. Re8
Qxd4 29. Rxf8+ Rxf8 30. Rxf8+ Kxf8 31. Qc5+ $3 $18) (27... g6 28. Rxd8 Qxd8 29.
Qxb5 $18) (27... Qxd4 28. Rxd8 Rxd8 29. Re8+ $18) 28. Nc6 Nd6 29. Nxd8 $3 Nxf5
30. Nc6 1-0

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.04.25"]
[Round "6"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]
[ECO "D56"]
[PlyCount "94"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. Rc1 Ne4 8. Bxe7
Qxe7 9. e3 c6 10. Qc2 Nxc3 11. Qxc3 Nd7 12. a3 dxc4 13. Bxc4 b6 14. O-O Bb7 15.
Rfd1 Rfd8 16. Be2 Rac8 17. b4 Rc7 (17... c5 18. bxc5 bxc5 19. Qa5) 18. Rc2 Ra8
19. Nd2 a5 (19... e5 20. d5) 20. Bf3 (20. bxa5 Rxa5 21. Ne4 Ra8 22. Rb1 c5)
20... Ra7 21. Rb1 axb4 22. axb4 Qf8 23. h3 Qe7 (23... Qa8) 24. Rcc1 (24. Nc4 c5
) 24... Ba6 25. Qb3 Bb5 26. Ne4 Nf6 27. Nxf6+ (27. Nc3 Bd3 28. Ra1 Rxa1 29.
Rxa1 e5) 27... Qxf6 28. Qb2 Qe7 29. Ra1 Rxa1 30. Rxa1 Ra7 31. Rxa7 Qxa7 32. Be4
Qe7 33. Qa3 g5 34. Qc3 Qd6 35. Bf3 Kf8 36. e4 Kg7 37. e5 Qe7 38. Be4 Qd8 39.
Qa1 Qe7 40. Qa3 Qd8 41. Qa1 Qe7 42. Qc3 Qa7 43. Kh2 Qa2 44. Qf3 Qd2 45. Qf6+
Kg8 46. Qd8+ Kg7 47. Qf6+ Kg8 1/2-1/2

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.04.30"]
[Round "7"]
[White "Spassky, Boris Vasilievich"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[ECO "D19"]
[Annotator "Bulletin"]
[PlyCount "53"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O
Nbd7 9. Qe2 O-O (9... Ne4 10. Bd3 $1) 10. e4 Bg6 11. Bd3 Re8 (11... Bh5) 12. e5
(12. Ne5 Nxe5 13. dxe5 Nd7 14. f4) 12... Nd5 (12... Bxd3 13. Qxd3 Nd5 14. Ng5
$1) 13. Bxg6 (13. Nxd5 exd5 14. Ne1 Bxe1 $1) 13... fxg6 $1 14. Bd2 Be7 15. Qe4
Nf8 16. a5 Rc8 17. Rfc1 a6 (17... c5 18. dxc5 Bxc5 (18... Rxc5 19. Na4) 19. Rd1
) 18. Qg4 h6 19. Ne4 Qd7 $1 20. h4 Red8 21. Rc4 Qe8 22. Rac1 (22. b3 {/\ Bc1-a3
}) 22... Rc7 23. Ng3 Qf7 24. Ne1 Rcd7 25. Nf3 Rc7 26. Qe4 Rcd7 27. Qg4 1/2-1/2

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.05.02"]
[Round "8"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris Vasilievich"]
[Result "0-1"]
[ECO "D37"]
[Annotator "Bulletin"]
[PlyCount "88"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nc3 Be7 4. Nf3 Nf6 5. Bf4 c5 6. dxc5 Na6 7. e3 Nxc5 8.
cxd5 exd5 9. Be2 O-O 10. O-O Be6 11. Be5 Rc8 12. Rc1 a6 13. h3 b5 14. Bd3 $2 (
14. Nd4) 14... d4 $1 15. Bxd4 (15. Nxd4 Nxd3 16. Nxe6 $2 fxe6) (15. Ne2 dxe3)
15... Nxd3 16. Qxd3 Bc4 17. Qb1 Bxf1 18. Rxf1 Nd5 19. Ne2 (19. Ne4 Qc7 {
/\ ...Qc2}) 19... Bf6 20. Rd1 Qc7 21. Bxf6 Nxf6 22. Nfd4 Qe5 23. Qd3 Rfd8 24.
a4 $1 bxa4 25. Ra1 Ne4 $1 26. Qxa6 Ra8 27. Qd3 (27. Qc4 Qf6 (27... Rdc8 28.
Rxa4 $1) 28. Nf4 Qb6 $1) 27... Re8 28. Nf4 g6 29. Qa3 Qf6 {/\ 30...Nxf2} 30.
Nd3 (30. Rc1 Rec8 31. Rxc8+ Rxc8 32. Qxa4 Rc1+ 33. Kh2 Nxf2 34. Qa8+ Kg7 35.
Qf3 Rh1+ 36. Kg3 Rf1 $1) 30... Rec8 31. Rd1 Rc4 32. b4 (32. f3 Ng3 33. b3 Rc3
34. Qb4 Rac8 35. bxa4 Qg5 36. f4 Qh5 $1) 32... Rac8 33. b5 Rc3 34. Qa1 (34.
Qxa4 Rxd3 $1) (34. Qb2 a3 35. Qb1 a2 $1) 34... Rxd3 $1 35. Rxd3 Qxf2+ 36. Kh2
Qg3+ 37. Kg1 Qf2+ 38. Kh2 Qg3+ 39. Kg1 Nf2 40. Nc6 (40. Rc3 Nxh3+ 41. Kh1 Nf2+
42. Kg1 Rxc3 43. Qxc3 Ng4) 40... Nxh3+ 41. Kh1 Nf2+ 42. Kg1 Nxd3 43. Ne7+ Kf8
44. Nxc8 Qxe3+ (44... Qxe3+ 45. Kh2 (45. Kh1 Nf2+ 46. Kg1 Ng4+ 47. Kh1 Qh6+)
45... Qe5+) 0-1

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.05.05"]
[Round "9"]
[White "Spassky, Boris Vasilievich"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[ECO "A56"]
[Annotator "Bulletin"]
[PlyCount "130"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Bd3 Na6 7. Nge2 Nb4 $1 8. Bb1
Bg7 9. h3 Bd7 10. Be3 O-O 11. Qd2 Na6 12. Bd3 Nb4 13. Bb1 Na6 14. a3 Nc7 15.
Bd3 Rb8 (15... b5 $5) 16. b4 b6 17. g4 h5 18. g5 (18. f3 Nh7) 18... Nh7 19. h4
f6 20. O-O-O (20. f4 exf4 21. Nxf4 Qe8 22. e5 fxe5 23. Nxg6 Rf5 $1) 20... fxg5
21. hxg5 Bg4 $1 22. Rdg1 Qe8 (22... Rf3 23. Ng3 Rxe3 $5) (22... cxb4 23. axb4
Qd7) 23. b5 $1 Ra8 24. Kc2 Rf3 25. Ng3 a6 (25... Rxe3 26. Qxe3 Qd8 27. Be2 Bd7
28. Bxh5 $1) 26. a4 axb5 27. cxb5 $1 Qf7 $2 (27... Qf8 28. Be2 Rf4) 28. Be2 Rf4
29. f3 Rxf3 (29... Bxf3 30. Bxf3 Rxf3 31. Nxh5 $1) 30. Bxf3 Qxf3 31. Rh2 Qf8
32. Rf2 Qc8 33. Nf1 Ra7 34. Qd3 Qa8 35. Qc4 Qd8 36. Nh2 Bd7 37. Nf3 Bg4 38. Qf1
Bd7 39. Kb3 Be8 40. Nd2 Nf8 41. Nc4 Nh7 42. Qg2 (42. Nxb6 Nxb5) 42... Bf8 43.
Ra2 Rb7 (43... Na8 44. a5 {/\ 45.Rga1}) 44. Kc2 Be7 45. Rb1 Qb8 46. Rab2 $2 (
46. a5 $1 bxa5 (46... Na8 47. axb6 Nxb6 48. Na5) 47. b6 (47. Nxa5)) 46... Na8
47. Ra2 $2 (47. a5) 47... Bd8 $1 48. Kd3 Bd7 49. Rba1 Nf8 50. Kc2 Be8 51. Qe2
Bc7 52. Rf1 Bd8 53. Raa1 Nh7 54. Rg1 Nf8 55. Bd2 Nh7 56. Ra3 Nf8 57. Rga1 Nh7
58. a5 bxa5 59. Nxa5 Bxa5 60. Rxa5 Nc7 61. Rb1 Nf8 62. Be3 Nd7 63. Qf2 Kg7 64.
Kd3 Kg8 65. Qa2 Nb6 1/2-1/2

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.05.09"]
[Round "10"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris Vasilievich"]
[Result "1-0"]
[ECO "E48"]
[Annotator "Bulletin"]
[PlyCount "75"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 b6 $6 6. Nge2 (6. Nf3 Bb7 7. O-O
c5 8. Na4 cxd4 9. exd4 Be7 $10 {Kortchnoi}) 6... d5 (6... Bb7 7. a3 Be7 (7...
Bxc3+ 8. Nxc3 d5 9. cxd5 exd5 10. b4 $14) 8. d5 $14 {Kortchnoi}) 7. O-O dxc4 (
7... Bb7 $5 8. a3 Bd6 9. b4 $10 {Kortchnoi, Bondarevsky; +/= Boleslavsky}) (
7... c5) 8. Bxc4 Bb7 9. f3 $1 c5 (9... Be7 $5 {/\ c5 Bondarevsky, Kortchnoi})
10. a3 cxd4 (10... Bxc3 11. bxc3 $16) 11. axb4 dxc3 12. Nxc3 $14 {^^|^<<} Nc6
$6 $14 (12... Qc7 $5 13. Be2 Rd8 14. Qe1 Nc6 $10 {Geller}) (12... a6 13. Bd2 (
13. b5 axb5 14. Rxa8 Bxa8 15. Nxb5 $14) 13... b5 14. Bb3 Nc6 15. Ne2 Qe7 16.
Qe1 $16) (12... a6 13. e4 b5 14. Bb3 Qb6+ 15. Kh1 Nc6 16. Bg5 Nxb4 17. Bxf6
gxf6 18. f4 $40 {>> Boleslavsky, Kortchnoi}) (12... Nd5 $5 13. b5 Nxc3 14. bxc3
Qc7 {Bondarevsky}) 13. b5 Ne5 (13... Na5 14. Be2 $1 Qxd1 15. Rxd1 Nb3 16. Ra3
Nxc1 17. Rxc1 $16 {>< a7 Boleslavsky}) (13... Nb4 $5 {(O'Kelly)} 14. Qb3 a5 15.
bxa6 Nxa6 16. Rd1 Qc7 17. Nb5 Qc5 $13) 14. Be2 Qc7 (14... Nd5 15. Bd2 $16 (15.
Qd4 $14)) 15. e4 Rfd8 16. Qe1 $1 Qc5+ {>=} (16... Nfd7 {/\ Nc5 Smyslov}) 17.
Qf2 $1 $16 Qe7 (17... Qxf2+ 18. Kxf2 Nd3+ 19. Bxd3 Rxd3 20. Be3 $1 $16 Ne8 21.
Ra4 Nd6 $6 22. Ke2 $18) (17... Nd3 18. Bxd3 Rxd3 19. Qxc5 bxc5 20. Bg5 {
Bondarevsky}) (17... Nfd7 $1 18. Be3 Qb4 $1 $14 {Geller}) 18. Ra3 $1 $16 {
[/\-> >< a7]} Ne8 19. Bf4 Ng6 20. Be3 Nd6 (20... Qb4 21. Rb1 Ne5 22. Bf1 Nd3
23. Bxd3 Rxd3 24. Rba1 $16 {Boleslavsky, Bondarevsky}) 21. Rfa1 Nc8 22. Bf1 {
(/\ Ne2-d4)} f5 $6 23. exf5 exf5 24. Ra4 Re8 25. Bd2 $1 {(/\ h2-h4-h5+-)} Qc5
26. Qxc5 $1 $18 bxc5 27. Rc4 Re5 28. Na4 a6 (28... Nb6 29. Rxc5 $18) 29. Nxc5
$1 $18 axb5 30. Nxb7 $1 Rxa1 31. Rxc8+ Kf7 32. Nd8+ Ke7 33. Nc6+ Kd7 34. Nxe5+
Kxc8 35. Nxg6 hxg6 36. Bc3 Rb1 37. Kf2 b4 38. Bxg7 1-0

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.05.12"]
[Round "11"]
[White "Spassky, Boris Vasilievich"]
[Black "Petrosian, Tigran V"]
[Result "0-1"]
[ECO "E12"]
[Annotator "Bulletin"]
[PlyCount "111"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. e3 (6. Bg5 Be7 7. e3 $14 {
Geller}) 6... Nbd7 7. cxd5 exd5 8. Be2 (8. b4 Bd6 9. Qb3 O-O 10. a4 Qe7 11. Ba3
$10 {O'Kelly}) (8. Bd3 $10) 8... Bd6 $15 9. b4 O-O 10. O-O a6 (10... Ne4 $5 {
Gufeld}) 11. Qb3 Qe7 $1 12. Rb1 (12. b5 $6 axb5 13. Nxb5 c5 $1 14. Nxd6 Qxd6
15. dxc5 bxc5 $1 $15 {Boleslavsky}) (12. Bb2 $5 {Geller}) 12... Ne4 $1 13. a4 (
13. Nxd5 $2 Bxd5 14. Qxd5 Nc3) (13. Ne1 $5 {Kortchnoi}) 13... Ndf6 (13... Bxb4
14. Nxe4 $1 dxe4 15. Qxb4 c5 16. dxc5 exf3 17. Bxf3 Bxf3 18. gxf3 {Bondarevsky}
) 14. b5 Nxc3 15. Qxc3 Ne4 16. Qc2 $2 (16. Qb3 $17) 16... Rfc8 17. Bb2 (17. Nd2
axb5 18. axb5 c5 $1 19. Nxe4 cxd4 20. Qd3 dxe4 21. Qxd4 Be5 $17 {Kortchnoi})
17... c6 18. bxc6 Bxc6 19. Qb3 Qd7 20. Ra1 b5 21. a5 $2 (21. axb5 $142 Bxb5 22.
Bxb5 Qxb5 23. Qxb5 axb5 $15 {Gufeld, Geller}) 21... Bb7 $17 (21... b4 {(/\ 22..
.Bb5)}) 22. Ne5 (22. Rfc1 $142 Rc4 23. Qd1 {/\ Ne5, f3 Kortchnoi}) 22... Qd8 (
22... Bxe5 23. dxe5 Nd2 24. Qb4 $1 Nxf1 25. Bg4 $1 $13 {Boleslavsky}) (22...
Qe7 $17 {Geller}) 23. Rfd1 (23. Bd3 $1 Nd2 24. Bxh7+ $1 Kf8 25. Qd3 Nxf1 26.
Qf5 $1) 23... Qh4 24. g3 Qe7 25. f3 $2 (25. Bf3 $5) (25. Bd3 $5 {/\ Be4 O'Kelly
}) 25... Ng5 26. h4 Ne6 27. f4 f6 28. Nf3 Nd8 29. Kf2 Nf7 30. Nd2 Rc4 $1 31.
Qd3 (31. Nxc4 $2 dxc4 32. Qc2 Rc8 $19) 31... Re8 32. Bf3 Bb4 33. Ba3 Bxa3 34.
Rxa3 Nd6 $19 35. Re1 f5 36. Raa1 Ne4+ {>=} (36... Rec8 $1 $19) 37. Bxe4 fxe4
38. Qb1 Qd7 39. Ra2 Rec8 40. Nxc4 (40. Nb3 Qh3 $1 41. Rh1 Rc2+ 42. Rxc2 Rxc2+
43. Qxc2 Qxh1 44. Qc7 Qf3+ $19) (40. Nb3 Qh3 41. Rg1 Rc3 42. Nc5 R8xc5 43. dxc5
d4 $19 {Gufled}) 40... dxc4 41. d5 (41. Qb4 $5 c3 42. Rc2 Rc4 43. Qb3 Qg4 {
Bondarevsky}) 41... Bxd5 42. Rd1 c3 43. Rc2 Qh3 44. Rg1 Qg4 45. Kg2 Qf3+ 46.
Kh2 Qxe3 47. f5 (47. Qd1 Qd3 48. Qg4 Qxc2+ 49. Rg2 Qxg2+) 47... Qc5 48. Rf1 b4
49. f6 b3 50. Rcf2 c2 51. Qc1 e3 52. f7+ Kf8 53. Rf5 b2 54. Qxb2 c1=Q 55. Qxg7+
Kxg7 56. Rg5+ 0-1

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.05.14"]
[Round "12"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]
[ECO "D34"]
[Annotator "Bulletin"]
[PlyCount "97"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O Be7 8. Nc3
O-O 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Bg4 12. Qa4 $1 Na5 (12... Qd7 13. Nxd5 $1)
13. Rad1 Nc4 14. Bc1 Qc8 $1 15. Qc2 (15. Nxd5 Nxd5 16. Bxd5 Nb6 17. Qb3 Nxd5
18. Qxd5 Bf6) (15. Qb5 Nb6 16. Qd3 Bb4) 15... Rd8 16. b3 Ne5 17. Bb2 Qd7 18. f3
$1 Bh5 (18... Be6 19. f4) (18... Bh3 19. Bxh3 Qxh3 20. Qf5 $1) 19. Qf5 $1 Nc6 (
19... Qc7 20. Ncb5 Qb8 21. Ne6 $1) 20. Qxd7 Rxd7 21. Nxc6 bxc6 22. Na4 Ne8 (
22... c5 23. Bxf6) (22... Bd6 23. Bh3 Rdd8 24. Rc1) 23. Rc1 (23. Bh3 Rc7 24.
Be5 Bd6 25. Bxd6 Nxd6 26. e4 Nxe4 $5) 23... Rc7 24. Be5 $1 Bd6 (24... Nd6 25.
g4 Bg6 26. f4 $1) 25. Bxd6 Nxd6 26. Rfd1 Nb5 27. Kf2 (27. g4 Bg6 28. f4 f6 $2
29. Rxc6 $1) 27... f6 28. e3 (28. Nc5 $1 Re7 29. Na6 Be8 30. a4 Nd6 31. e4)
28... Bf7 29. Bf1 Nd6 30. Rc3 Kf8 $2 (30... g5) 31. Nc5 a5 32. Rdc1 Re7 33. Bh3
Raa7 34. a4 (34. Nd3 Be8 35. Nf4) 34... g5 $1 35. Rd1 Kg7 36. Nd3 Be8 37. Nc1
f5 38. Ne2 $2 (38. Bg2 g4 39. f4) 38... g4 $1 39. Bg2 gxf3 40. Bxf3 Ne4+ 41.
Bxe4 fxe4 42. Nd4 Rf7+ 43. Kg2 Rf6 44. Rf1 Rxf1 45. Kxf1 h5 46. Kg2 Bd7 47. Rc2
$1 Ra6 $10 {(/\ Kf7-e7-d6, c6-c5)} 48. g4 $1 hxg4 49. Kg3 1/2-1/2

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.05.16"]
[Round "13"]
[White "Spassky, Boris Vasilievich"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[ECO "C42"]
[Annotator "Bulletin"]
[PlyCount "49"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Qxe2+ 8.
Bxe2 Be7 9. Nc3 c6 10. O-O-O Na6 11. Ne4 Nxe4 12. dxe4 Nc5 $10 13. Rhe1 Bxg5+ (
13... Nxe4 14. Bxe7 Kxe7 15. Bd3 d5 16. Bxe4 dxe4 17. Rxe4+ Be6) (13... f6 14.
Bf4 Nxe4 15. Bd3 d5 16. Bxe4 dxe4 17. Rxe4 Bf5 18. Re2 Kf7 19. Nd4 Bd7) 14.
Nxg5 Ke7 15. Nf3 Rd8 16. Nd4 g6 17. Bf1 Kf8 18. b4 Ne6 {[/\ 19...a5]} 19. Nb3
b6 20. Re3 (20. g3 {[/\ f2-f4]}) 20... Bb7 21. a3 Rd7 22. g3 Re8 23. h4 Rdd8
24. Bc4 Nc7 25. Rde1 1/2-1/2

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.05.19"]
[Round "14"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]
[ECO "D55"]
[Annotator "Bulletin"]
[PlyCount "111"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nf3 Nf6 4. Bg5 Be7 5. e3 O-O 6. cxd5 exd5 7. Nc3 Nbd7 8.
Bd3 b6 9. O-O Bb7 10. Rc1 c5 11. Bf5 {(/\ 12.Bxd7 Qxd7 13.Bxf6 Bxf6 14.dxc5
bxc5 15.Ne4)} Re8 12. Re1 (12. Bxd7 Qxd7 13. dxc5 bxc5 14. Bxf6 Bxf6 15. Na4 c4
16. Rxc4 Ba6) 12... Nf8 13. dxc5 bxc5 14. Na4 Ne4 15. Bxe7 Qxe7 16. Nd2 Nd6 17.
Bg4 $2 (17. Bh3) 17... c4 18. Nf3 $2 f5 $1 19. Bh3 Nd7 $2 (19... g5 20. g4 h5
21. gxf5 g4) 20. g3 Nf6 21. Nd4 g6 22. Nc3 Nde4 23. Bf1 Rac8 24. Rc2 Qb4 25.
Nxe4 Nxe4 26. Qe2 Nc5 27. Qd2 a5 28. b3 Qxd2 29. Rxd2 Ba6 30. Red1 Red8 31. Rb1
Kf7 32. Be2 (32. bxc4 dxc4 33. Rb6) (32. bxc4 Bxc4 33. Rc2) 32... Nd3 $1 33.
Rdd1 (33. bxc4 dxc4 34. Rb6 c3 $1 35. Rxd3 c2 36. Nxc2 Bxd3) 33... Ke7 34. Kf1
Nb4 35. a3 Na2 $1 36. bxc4 Nc3 37. Rb6 $1 Rd6 (37... Nxd1 38. Rxa6) (37... Bxc4
38. Bxc4) 38. Rxd6 Kxd6 39. Rc1 Nxe2 40. Kxe2 dxc4 41. Kd2 Rb8 42. Kc3 Kd5 43.
Rd1 Ke4 $2 (43... Kc5 $10) 44. f3+ Kxe3 (44... Kd5 45. Nxf5+) (44... Ke5 45.
Nc6+) 45. Rd2 $1 {(/\ 46.Re2#)} Rb3+ 46. Nxb3 cxb3 47. Rd7 (47. f4 $142 $1)
47... h5 48. Ra7 (48. Rd6 Be2 49. f4 Kf2 50. Rxg6 Kg2) 48... Bf1 $1 49. f4 h4
50. gxh4 (50. Rxa5 h3 $1) 50... Kxf4 51. Rxa5 Ke4 (51... Kg4 52. Ra4+ f4 53.
Rb4) 52. Kxb3 $2 (52. Ra8 f4 53. Re8+ Kf3 (53... Kd5 54. Rg8) 54. Re6 $1) 52...
f4 53. Rg5 f3 54. Rxg6 Bh3 $1 (54... f2 55. Rf6 Ke3 56. h5 Be2 57. Rxf2 $1 $18)
55. Rg1 (55. Rf6 Bf5 56. Rc6 f2 57. Rc1 Bh3 58. h5 Kf5 $1) 55... f2 56. Rc1
1/2-1/2

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.05.21"]
[Round "15"]
[White "Spassky, Boris Vasilievich"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[ECO "C42"]
[Annotator "Bulletin"]
[PlyCount "38"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Qxe2+ 8.
Bxe2 Be7 9. Nc3 c6 10. O-O-O Na6 11. Rhe1 Nc7 $10 12. Bf1 Ne6 13. Bd2 (13. Bh4
Nh5) 13... Bd7 14. d4 h6 15. Bd3 d5 16. h3 Rd8 17. a3 O-O 18. Be3 Bc8 19. Nh4
Rfe8 (19... Rfe8 20. Nf5 Bf8) 1/2-1/2

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.05.23"]
[Round "16"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]
[ECO "D34"]
[Annotator "Bulletin"]
[PlyCount "62"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O Be7 8. Nc3
O-O 9. Bg5 Be6 10. dxc5 Bxc5 11. Bxf6 (11. Na4) 11... Qxf6 12. Nxd5 Qxb2 13.
Nc7 Rad8 14. Qc1 Qxc1 15. Raxc1 b6 (15... Bb6) 16. Nxe6 fxe6 17. Rc4 (17. Bh3
Rf6 18. Ng5 Nd4 19. Kh1 $5) 17... Nd4 18. Nxd4 Rxd4 19. Rxd4 Bxd4 20. e3 Bc5
21. Rd1 Rf7 22. Be4 g6 23. h4 Rc7 24. Kg2 Be7 25. Kf3 Kg7 26. Rd2 Bb4 27. Rc2
Rxc2 28. Bxc2 Kf6 29. Bd3 h6 30. Be4 g5 31. h5 Be1 1/2-1/2

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.05.28"]
[Round "17"]
[White "Spassky, Boris Vasilievich"]
[Black "Petrosian, Tigran V"]
[Result "1-0"]
[ECO "B42"]
[Annotator "Bulletin"]
[PlyCount "115"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Nxc6 bxc6 7. O-O d5 8.
Nd2 Nf6 9. b3 Bb4 $1 10. Bb2 $1 a5 (10... Bxd2 11. Qxd2 dxe4 12. Qg5) 11. c3
Be7 12. c4 O-O 13. Qc2 h6 14. a3 Ba6 $1 15. Rfe1 Qb6 16. exd5 (16. Qc3 d4 $1)
16... cxd5 17. cxd5 Bxd3 18. Qxd3 Rfd8 19. Nc4 Qa6 20. Qf3 Rxd5 21. Rad1 Rf5
22. Qg3 Rg5 23. Qc7 $5 (23. Qf3) 23... Re8 (23... Nd5 24. Qd7 Rd8 25. Qa4 Nf4)
(23... Nd5 24. Rxd5 exd5 25. Rxe7 (25. h4 $5) 25... dxc4 26. Rxf7 Rxg2+ $1) 24.
Bxf6 gxf6 (24... Bxf6 25. Nd6 Rf8 26. Ne4) 25. Rd7 Rc8 26. Qb7 Qxb7 27. Rxb7
Kf8 28. a4 Bb4 29. Re3 (29. Rd1 Rd5 $1) 29... Rd8 30. g3 Rd1+ 31. Kg2 Rc5 32.
Rf3 f5 $2 (32... Kg7) 33. g4 Rd4 34. gxf5 exf5 35. Rb8+ Ke7 36. Re3+ Kf6 37.
Rb6+ Kg7 38. Rg3+ Kf8 39. Rb8+ Ke7 40. Re3+ Kf6 41. Rb6+ Kg7 42. Rg3+ Kf8 43.
Rxh6 f4 44. Rgh3 (44. Rg4 f3+) (44. Rf3 Rg5+ 45. Kh3 Kg7 46. Rh4 Rf5) 44... Kg7
$2 (44... Rg5+ 45. Kf3 Ke7) 45. R6h5 $1 f3+ 46. Kg3 Rxh5 47. Rxh5 Rd3 48. Nxa5
Kg6 49. Rb5 Bxa5 50. Rxa5 Rxb3 51. Ra8 Ra3 52. a5 Kf5 53. a6 Kg6 54. a7 Kg7 55.
h4 Kh7 56. h5 Kg7 57. h6+ Kh7 58. Kf4 1-0

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.06.02"]
[Round "18"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]
[ECO "D34"]
[Annotator "Bulletin"]
[PlyCount "117"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O
O-O 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Re8 12. Rc1 Bf8 13. Nb3 Be6 14. Nb5 Bg4 15.
h3 Bf5 16. N5d4 Nxd4 17. Nxd4 Bd7 $1 18. Qb3 Qa5 19. a3 Bd6 20. Qd3 Qd8 21.
Rfd1 Qe7 22. Bd2 Ne4 23. Be1 (23. Qb3 Rad8 24. Qxb7 Bxg3 $1 25. fxg3 Nxd2)
23... Be5 $1 24. Qb3 Bxd4 (24... Rad8 $1 25. Qxb7 Nxg3 $1) (24... Rad8 25. Qxd5
Ba4 26. Qxe4 Bxd1 27. Rxd1 Qf6) 25. Rxd4 Bc6 26. h4 Qe5 27. Qe3 $2 (27. e3)
27... Qf6 {(/\ 28...Nxg3)} 28. Bxe4 Rxe4 29. Rxe4 dxe4 30. Bc3 Qf5 31. Rd1 Re8
32. Rd6 (32. Qxa7 e3 $1) 32... f6 33. Rd4 (33. Qf4 $5 Qh5 34. Rxf6 $1) 33... a6
34. Kh2 Qg4 35. a4 Kf7 36. Kg1 Re5 37. Rd6 Rf5 38. b3 Qh3 39. Be1 Qg4 40. Bc3
Qh3 41. Bd4 h5 (41... Rf3 42. exf3 exf3 43. Qe6+) 42. Bc3 Kg8 43. Rd8+ Kh7 44.
Rd6 Qg4 45. a5 Qg6 46. b4 Qf7 47. Bd4 Qc4 48. Bc5 Re5 49. Bd4 Rf5 50. Bc5 Qc2
51. Qd2 Qb3 52. Qd1 Qb2 53. Qd2 Qa1+ 54. Qd1 Qe5 55. Qd4 Qe8 56. Qc4 Bb5 57.
Qe6 Qxe6 58. Rxe6 Rd5 59. Rd6 $1 (59. Rxe4 Rd1+ 60. Kh2 Bc6) 1/2-1/2

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.06.04"]
[Round "19"]
[White "Spassky, Boris Vasilievich"]
[Black "Petrosian, Tigran V"]
[Result "1-0"]
[ECO "B94"]
[Annotator "Knaak,R"]
[PlyCount "47"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "100 Jahre Schach"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

{Beim Stand von 9,5:8,5 für Spassky hegte Titelverteidiger Petrosian sicher
noch große Hoffnungen, zumal ihm ein 12:12 genügte. Diese 19. Partie brachte
Spassky endgültig auf Titelkurs.} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5.
Nc3 a6 6. Bg5 Nbd7 7. Bc4 Qa5 8. Qd2 h6 {Dies wurde kritisiert, wie so manch
anderer Zug von Schwarz. Die Hauptvariante ist 8...e6 (auch von Petrosian
einige Male gespielt), wonach Schwarz eher zu b7-b5 kommt.} 9. Bxf6 Nxf6 10.
O-O-O e6 11. Rhe1 $5 {Ob dieser Zug neben dem auch gespielten 11.Bb3 den
Vorteil hat, daß der schwarze Aufbau mit Bd7 und 0-0-0 entschärft wird, vermag
ich nicht zu sagen. Jedenfalls wird in den wenigen Partien mit dieser Stellung
auf den Textzug nicht mit 11...Bd7 geantwortet (während 11.Bb3 regelmäßig 11...
Bd7 nebst 0-0-0 zur Folge hat).} Be7 (11... b5 $2 12. Bb3 b4 13. Nd5 $1 {
ist eine weitere Idee von 11.Rhe1}) (11... Bd7 $5) 12. f4 O-O 13. Bb3 Re8 {
Wenn dieser Zug (gefolgt von Bf8) notwendig ist, muß die schwarze Stellung
wirklich schlecht sein; denn Schwarz müßte ja irgend wie auch mal Aktivität
zeigen.} ({Eigentlich wäre es höchste Zeit den Damenflügel weiterzuentwickeln,
doch nach} 13... Bd7 14. Kb1 {kann Weiß zwischen Nd5, e4-e5 und f4-f5 wählen.})
14. Kb1 $16 Bf8 15. g4 $1 {Das ist nicht unbedingt nötig, doch Weiß möchte
seinen Entwicklungsvorsprung verwerten.} Nxg4 {Notwendig, denn sonst flutscht
der Angriff.} (15... e5 $5 16. fxe5 dxe5 17. Nf5 Bxf5 18. gxf5 Rad8 19. Qg2 Qc7
20. Rxd8 Rxd8 21. Rg1 Kh8 22. Nd5 $16 {->>> Boleslavsky}) 16. Qg2 Nf6 17. Rg1
Bd7 {Die schwarzen Züge sind mehr oder weniger erzwungen, Weiß hat mehr
Gestaltungsspielraum.} 18. f5 Kh8 {Das sieht logisch aus, denn der König
verläßt die Diagonale a2-g8 und zugleich die g-Linie. Kritik kann man sich
schon sparen, denn ganz allgemein gesehen ist der weiße Angriff einfach zu
stark. Schauen wir auf die Alternativen:} (18... exf5 19. Qg6 $1 (19. exf5 b5
$2 (19... Qe5 $1) 20. Bxf7+ $1 {(Fritz)} Kxf7 21. Nd5 $18) 19... Kh8 20. Bxf7
Nxe4 $5 (20... fxe4 {!-/+ hieß es damals, aber} 21. Rdf1 $18) 21. Nd5 $1 Re5
22. Nf3 $40) (18... e5 19. Nf3 {es hängt d6, droht Qg6}) (18... Qe5 {Das ist
der Zug, der am meisten Sand in das Getriebe des weißen Angriffs streut.} 19.
Nf3 $1 Qc5 (19... Qf4 20. Rd4 Bc6 (20... exf5 $6 21. e5 Ne4 22. Nd5 Qg4 23. Qf1
) 21. fxe6 fxe6 22. Nd5) 20. Qh3 Kh8 (20... exf5 21. Qxh6 Nxe4 22. Qh5 $18) 21.
Ng5 Re7 22. Nxf7+ $1 Rxf7 23. fxe6 Bc8 24. Ne2 $1 Ne8 (24... Nh7 25. Qg3 Rc7
26. Nf4 g5 $8 27. Ng6+ Kg7 28. Nxf8 Kxf8 29. Rd5 Qb4 30. Rxd6 $18) (24... Rc7
25. Nf4 Be7 26. Ng6+ Kh7 27. e5 dxe5 28. Qf5 Kg8 29. Rd8+ $18) 25. Qxh6+ $3
gxh6 26. Rg8+ Kh7 27. exf7 Nc7 28. Rxf8 d5 29. Re8 Bg4 30. Rxd5 Qf2 31. Rxa8
$18) 19. Rdf1 {Droht fxe6 und Rxf6} Qd8 $6 {Nach diesem Zug steht Weiß auf
Gewinn. Es gibt zwei Alternativen:} (19... e5 {Das wurde damals sehr getadelt
- die Begründung war jedoch falsch:} {Allerdings, nach dem einfachen} 20. Nde2
$1 (20. Ne6 $6 fxe6 21. fxe6 Rxe6 $1 $11 {wird von Fritz auf Anhieb angezeigt
und widerlegt die Variante:} ({Das damals angegebene} 21... Bxe6 {verliert
wegen} 22. Rxf6 $18) 22. Bxe6 Bxe6 23. Rxf6 gxf6 24. Qg6 Bc4 {Weiß muß
Dauerschach geben.}) 20... Re7 21. Rd1 {[%cal Rd1d6]} Qb4 {(oder gleich nach
b6)} 22. a3 Qb6 23. Nd5 Nxd5 24. Rxd5 f6 25. Rd3 {verfügt Weiß über die Pläne
Ne2-c3-d5 und Rd3-h3xh6+; Schwarz ist in keiner beneidenswerten Lage.}) (19...
Qe5 $5 {(O'Kelly, Geller, Bondarevsky)} 20. Nf3 Qf4 (20... Qc5 21. h4 {/\ Ng5})
(20... Qa5 21. fxe6 Bxe6 22. Bxe6 fxe6 23. e5 dxe5 24. Nh4 $16 {(->
Bondarevsky) ist korrekt}) 21. Qh3 {/\ Ng5} Qe3 22. Rg3 Qc5 23. Ng5) 20. fxe6
fxe6 (20... Bxe6 21. Nxe6 fxe6 22. Ne2 e5 23. Bf7 $18) 21. e5 $1 {macht das
Feld e4 frei.} dxe5 22. Ne4 Nh5 23. Qg6 $1 exd4 (23... Nf4 24. Rxf4 $1 exf4 25.
Nf3 Qb6 26. Rg5 $3 Bc6 (26... Qd8 27. Ne5 $18) 27. Nf6 Be4 28. Qxh6+ $3 $18 {
(Geller)}) 24. Ng5 {Quellen: i7/428 (Geller) Meisterspiele (Teschner) Mega 99}
(24. Ng5 hxg5 25. Qxh5+ Kg8 26. Qf7+ Kh7 27. Rf3 {/\ Rh3#}) 1-0

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.06.09"]
[Round "20"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris Vasilievich"]
[Result "1-0"]
[ECO "D55"]
[Annotator "Bulletin"]
[PlyCount "99"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nf3 Be7 4. Nc3 Nf6 5. Bg5 O-O 6. e3 h6 7. Bxf6 Bxf6 8. Qd2
{[Kortchnoi]} b6 9. cxd5 exd5 10. b4 Bb7 (10... Be6 $5 {Geller} 11. Bd3 c6 12.
O-O Qd6 13. Rab1 Nd7 {/\ c5= Boleslavsky}) 11. Rb1 c6 12. Bd3 Nd7 13. O-O Re8
14. Rfc1 $14 {|^<<} a5 $2 {>=} (14... Be7 {/\ Nf6, Bd6, Ne4 Boleslavsky}) 15.
bxa5 $1 (15. a3 axb4 16. axb4 b5 $1) 15... Rxa5 16. Bf5 $16 {[/\ Bd7]} Ra6 (
16... b5 $2 17. Nxd5 $1 (17. Bxd7) 17... cxd5 18. Bxd7 $18) 17. Rb3 g6 18. Bd3
(18. Bh3 $5) 18... Ra7 19. Rcb1 (19. e4 dxe4 20. Nxe4 Bg7 21. Nd6 Re6 $15 {
Geller}) 19... Bg7 {>=} (19... Kg7 {(Kortchnoi)}) (19... Be7 $5 {/\ Be7-d6-c7})
20. a4 (20. Bf1 $5) 20... Qe7 21. Bf1 Ba6 $2 (21... Qe6 $1 $14) 22. h4 {
[?! Geller, Bondarevsky; ! Kortchnoi, Tal]} Bxf1 23. Rxf1 h5 $2 (23... Qe6 $5
24. g3 Qh3 25. Rfb1 Re6 $1 {Geller}) 24. Re1 $1 Raa8 25. g3 Qd6 26. Kg2 Kf8 27.
Reb1 Kg8 28. Qd1 Bf8 29. R3b2 Bg7 30. Rc2 {/\ 31.Rbc1} Ra7 31. Rbc1 Nb8 $2 (
31... Raa8 32. Ne2 c5 $1) 32. Ne2 $1 $16 Rc7 (32... Rxa4 $2 33. Rxc6 $1 Nxc6
34. Qxa4 Rc8 35. Qa6 $18) (32... Qb4 33. Rb1 Qxa4 34. Rxb6 $16) 33. Qd3 Ra7 (
33... c5 34. Qb5 Nd7 35. a5 c4 36. Nf4 $16) 34. Qb3 Ra6 35. Nf4 Rd8 36. Nd3 Bf8
(36... Rc8 37. Nb4 Ra5 38. Nxc6 $1) 37. Nfe5 $18 Rc8 38. Rc3 $1 Be7 39. Nf4 $6
(39. Nxc6 $1 Rxc6 40. Rxc6 Nxc6 41. Qb5 Nb8 42. Rc8+ $18) 39... Bf6 40. Ned3 (
40. Nxc6 $1 $18 {Geller}) 40... Ra5 41. Qxb6 Rxa4 42. Rc5 $1 Ra6 (42... Nd7 43.
Rxc6 $1 $18) 43. Rxd5 $1 $18 Qxf4 $1 (43... Rxb6 44. Rxd6 Be7 45. Nd5 $1 $18) (
43... Qf8 44. Qb7 $18) 44. Qxa6 $1 Qe4+ 45. f3 Qe6 46. Qc4 Qxe3 (46... Re8 47.
Re5 $1 Bxe5 48. Qxe6 Rxe6 49. Nxe5 $18) 47. Ne5 $1 {[/\ 48.Rxd8 Rxd8 49.Qf7 /\
Ng6#]} Rf8 48. Rc5 $1 Be7 49. Rb1 $1 Bxc5 (49... Kg7 50. Rb7) (49... Bd6 50.
Rb2 $18) 50. Rxb8 $1 (50. Rxb8 Kh8 51. Nxf7+ Kg7 52. Ng5) 1-0

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.06.11"]
[Round "21"]
[White "Spassky, Boris Vasilievich"]
[Black "Petrosian, Tigran V"]
[Result "1-0"]
[ECO "C92"]
[Annotator "Bulletin"]
[PlyCount "105"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3
d6 9. h3 Nd7 10. d4 Bf6 (10... Nb6 $5 {- C92/11}) 11. Be3 $6 (11. a4 $5 {
- C92/19}) 11... Na5 12. Bc2 Nc4 $10 13. Bc1 Bb7 $14 (13... c5 $10 {Geller})
14. b3 (14. d5 Be7 15. Nbd2 Nxd2 16. Bxd2 c6 $10 {Shamkovich}) (14. a4 $5 {
Bondarevsky}) 14... Ncb6 15. Be3 Re8 $6 (15... c5 $14 {Geller}) (15... exd4 16.
cxd4 Re8 17. Nbd2 c5 $10) 16. d5 (16. Nbd2 $6 d5 $1 17. dxe5 Nxe5 18. Nxe5 Bxe5
{/\ 19...Bxc3-/+}) 16... Rc8 $2 $16 (16... Be7 $5 {/\ ...c6, ...f5}) 17. Nbd2
c6 18. c4 cxd5 19. cxd5 Qc7 20. Rc1 (20. Bd3 $1 {(Spassky)} Qc3 21. Bf1 Qc2 22.
a4 $16 {|^<<}) 20... Qb8 $6 (20... Qc3 $5 $14 {Geller, Korchnoi}) 21. a4 $1 Nc5
22. axb5 $2 (22. a5 Na8 23. b4 Nd7 $16 {Geller}) 22... axb5 $14 23. Ra1 {
[/\ Ra5]} b4 24. Qe2 Nbd7 25. Bd3 $6 (25. Nc4 Ba6 26. Nfd2 Nb6 27. Bxc5 Bxc4
28. Nxc4 Rxc5 29. Na5 $16 {Korchnoi}) 25... Nxd3 $2 (25... Bxd5 26. Bxc5 (26.
exd5 e4 27. Nxe4 Nxe4 (27... Bxa1 28. Nxc5 $16) 28. Nd4 $1 $14 {Bondarevsky,
Krogius}) 26... Nxc5 27. exd5 e4 28. Bxe4 (28. Nxe4 Bxa1 29. Rxa1 Nxb3 30. Rb1
Rc1+ 31. Rxc1 Nxc1 $10 {Geller}) 28... Bxa1 29. Rxa1 f5 30. Ng5 Qb7 $1 $15) 26.
Qxd3 $16 Ba8 27. Nc4 Nc5 28. Bxc5 $1 Rxc5 29. Ra4 h6 30. Qd2 Be7 (30... Rb5 31.
Rxa8 Qxa8 32. Nxd6 $16) 31. Rea1 Bb7 32. Qxb4 f5 33. Ra7 $1 Rc7 34. exf5 $18
Qc8 35. Ne3 (35. Qb6 $1 $18) 35... e4 36. Nd4 Bf6 37. Rf1 Ba6 38. Rxc7 Qxc7 39.
Qa4 Ra8 40. Rd1 Qb8 41. Nc6 Qb7 (41... Qe8 42. Qb4) 42. Qxe4 Qxb3 43. Re1 (43.
Qe6+ $6 Kh8 44. Qxd6 Bc3 {/\ Be2}) 43... Bc3 (43... Bd3 44. Qb4 Qa2 45. Qxd6
Bc3 46. Nb4 Qa3 47. Qe6+) 44. Rb1 Qa2 45. Nb4 Qa4 46. Qe6+ Kh8 47. Qxd6 Be2 48.
Nc6 Qa2 49. Rb8+ Rxb8 50. Qxb8+ Kh7 51. Qg3 Bh5 52. Kh2 Be1 53. f6 $1 (53. f6
gxf6 54. Nf5 Bg6 55. Nce7) 1-0

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.06.13"]
[Round "22"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]
[ECO "D55"]
[Annotator "Bulletin"]
[PlyCount "62"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 O-O 6. e3 h6 7. Bxf6 Bxf6 8. Qd2
b6 9. cxd5 exd5 10. Rd1 Be6 11. g3 Nd7 12. Bg2 Be7 13. O-O c6 14. Qc2 Rc8 15.
Ne5 Nxe5 16. dxe5 f6 17. exf6 (17. Qb3 Bf7 $1 (17... fxe5 18. e4 $1)) 17...
Bxf6 18. Ne2 Qd6 19. Rd2 (19. e4 Qb4) 19... Rfd8 20. Rfd1 Qe7 21. Nf4 Bf7 22.
Bh3 Rc7 23. Bf5 (23. Ng6 Qe8 24. Bf5 Bxb2) 23... g5 24. Ne2 c5 25. e4 $5 Bd4 $1
(25... d4 26. f4) 26. Nxd4 (26. Qa4 b5 $1 27. Qxb5 dxe4) 26... cxd4 27. Qd3
dxe4 28. Bxe4 Kg7 29. Qf3 Qf6 30. Qxf6+ Kxf6 31. b3 a5 (31... a5 32. Rxd4 $2
Rxd4 33. Rxd4 Ke5) 1/2-1/2

[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.06.16"]
[Round "23"]
[White "Spassky, Boris Vasilievich"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[ECO "B48"]
[Annotator "Bulletin"]
[PlyCount "81"]
[EventDate "1969.04.14"]
[EventType "match"]
[EventRounds "23"]
[EventCountry "URS"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Be3 a6 7. Bd3 Nf6 8.
O-O Ne5 9. h3 Bc5 10. Qe2 d6 11. f4 Ned7 12. Nb3 Bxe3+ 13. Qxe3 b6 14. Rae1 Bb7
(14... e5 15. fxe5 dxe5 16. Nd5) 15. e5 $1 dxe5 (15... Nd5 16. Nxd5 Bxd5 17.
exd6 Qxd6 18. Qd4) 16. fxe5 Nd5 17. Nxd5 Bxd5 18. Rf4 b5 19. Nd4 Rb8 (19... O-O
20. Rh4) (19... g6 20. Bxb5 $1) 20. c3 g6 21. a3 O-O 22. Rh4 f5 (22... Rfd8 23.
Qh6 Nf8 24. Rf4 {/\ h4-h5}) 23. exf6 Rxf6 24. Be4 Nc5 25. Bxd5 exd5 26. Qe7
Qxe7 27. Rxe7 h5 28. Nf3 Ne4 29. Rd7 Rd6 30. Rxd6 Nxd6 31. Rd4 Nc4 32. Rxd5
Nxb2 33. Rd6 a5 34. Rxg6+ Kh7 35. Rc6 $1 Nc4 (35... a4 36. Ne5 Re8 37. Rc5) 36.
a4 Nb2 37. axb5 Rxb5 38. c4 Rb7 39. c5 Ra7 40. Rd6 Kg7 41. c6 {(sealed)}
1/2-1/2

