[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.04.11"]
[Round "1"]
[White "Spassky, Boris V"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[ECO "B19"]
[PlyCount "73"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bd3
Bxd3 9. Qxd3 Qc7 10. Bd2 e6 11. O-O-O O-O-O 12. c4 Ngf6 13. Kb1 c5 14. Bc3 cxd4
15. Nxd4 a6 16. Nf3 Bc5 17. Qe2 Bd6 18. Ne4 Be7 19. Nxf6 Bxf6 20. Bxf6 Nxf6 21.
Ne5 Rxd1+ 22. Rxd1 Rd8 23. Rxd8+ Kxd8 24. Qd3+ Ke7 25. Qd4 h5 26. a3 $146 ({RR
} 26. b3 Nd7 27. Nxd7 Qxd7 28. Qc5+ Qd6 29. Qxh5 Qd3+ 30. Kb2 Qd2+ 31. Ka3 Qxf2
32. Qg5+ Ke8 33. Qxg7 Qxh4 {1/2-1/2 (33) Mirkovic,S (2295)-Knezevic,M (2450)
Belgrade 1984}) 26... Nd7 27. Nxd7 Qxd7 28. Qc5+ Qd6 29. Qg5+ Ke8 30. Qe3 Qc6
31. Qg3 g6 32. b3 Qe4+ 33. Kb2 e5 34. Qe3 Qxg2 35. Qxe5+ Kf8 36. Qh8+ Ke7 37.
Qe5+ 1/2-1/2

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.04.13"]
[Round "2"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris V"]
[Result "1/2-1/2"]
[ECO "D59"]
[PlyCount "100"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. c4 e6 2. Nc3 d5 3. d4 Be7 4. Nf3 Nf6 5. Bg5 O-O 6. e3 h6 7. Bh4 b6 8. cxd5
Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Rc1 Be6 12. Qa4 c5 13. Qa3 Rc8 14. Be2 a5
15. O-O Na6 ({RR} 15... Qa7 16. dxc5 bxc5 17. Rc3 Nd7 18. Bb5 Nf6 19. Rfc1 Ne4
20. R3c2 Qb6 21. Bd3 Qb4 22. Bxe4 dxe4 23. Nd2 Rd8 24. h3 Rd3 25. Qxb4 cxb4 26.
Nxe4 Bxa2 27. Nc5 Rd5 28. b3 Rc8 29. e4 Bxb3 30. Nxb3 {Koczo,K (2199)-Albrecht,
G (2098) Hungary 2013 1-0 (58)}) 16. dxc5 $146 ({RR} 16. Bxa6 Rxa6 17. Rc3 Kf8
18. dxc5 bxc5 19. Rfc1 c4 20. Qa4 Bg4 21. Nd4 Rg6 22. Qxa5 Qe4 23. g3 h5 24.
Qa4 Bh3 25. f3 Qe5 26. Kf2 h4 27. Rg1 Bf5 28. f4 Qf6 29. Qb4+ Kg8 30. Qb7 Rd8 {
Averbakh,Y-Lein,A Moscow 1963 1/2-1/2 (39)}) ({RR} 16. Bxa6 Rxa6 17. Rc3 Kf8
18. dxc5 bxc5 19. Rfc1 c4 20. Qxe7+ Kxe7 21. Nd4 a4 22. f3 Rb8 23. b3 axb3 24.
axb3 Rb4 25. bxc4 dxc4 26. h4 f5 27. Nxe6 Rxe6 28. Rxc4 Rxc4 29. Rxc4 Rxe3 30.
Kf2 Ra3 {Vitiugov,N (2726)-Tomashevsky,E (2710) Saratov 2011 1/2-1/2 (31)}) ({
RR} 16. Bxa6 Rxa6 17. Rc3 Qa7 18. dxc5 bxc5 19. Rfc1 c4 20. Nd4 a4 21. R3c2 Rb8
22. Rd2 Qb7 23. h3 Bd7 24. Rcc2 Rg6 25. Kh2 Rb6 26. f4 Re8 27. Rf2 Qc8 28. Rcd2
c3 29. Rd3 cxb2 30. Rxb2 Rxb2 {Tukmakov,V (2545)-Calvo Minguez,R (2470) Madrid
1973 1/2-1/2 (43)}) 16... bxc5 17. Nd4 Bd7 18. Bxa6 Rxa6 19. Ne2 a4 20. Rfd1
Qd6 21. Rd2 Be6 22. h3 Rc7 23. Nf4 c4 24. Qxd6 Rxd6 25. Ne2 a3 26. bxa3 Bf5 27.
Nc3 Rcd7 28. Rd4 Kf8 29. f3 Ke7 30. Rcd1 Be6 31. Rb1 Ra6 32. a4 Kd6 33. Kf2 Kc5
34. Rd2 Ra5 35. Ke2 Bf5 36. e4 dxe4 37. fxe4 Rxd2+ 38. Kxd2 Bd7 39. Rb7 Kc6 40.
Rb8 Kc5 41. Rf8 Be6 42. Rb8 Bd7 43. Rb7 Kc6 44. Rb2 Kc5 45. Ke3 Ra7 46. Rd2 Bc6
47. g4 Rb7 48. Rf2 Rd7 49. Rd2 Rb7 50. h4 f6 1/2-1/2

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.04.15"]
[Round "3"]
[White "Spassky, Boris V"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[ECO "D26"]
[PlyCount "86"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. e4 {Baburin} c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5
Nxd5 8. Bc4 Nf6 9. O-O O-O 10. Qe2 Nc6 ({RR} 10... a6 11. Bg5 b5 12. Bb3 Bb7
13. Rfe1 Nc6 14. Rad1 Nd5 15. Bxd5 ({RR} 15. Nxd5 Bxg5 16. Nb6 Nxd4 17. Nxd4
Qxb6 18. Qg4 Bf6 19. Nxe6 Bc8) 15... Bxg5 16. Be4 Bh6 17. a4 ({RR} 17. d5 exd5
18. Nxd5 g6 19. h4 Re8 20. Nh2 Bg7) 17... bxa4 ({RR} 17... b4 18. d5 exd5 19.
Nxd5) 18. Nxa4 Ra7 19. Nc5 Ba8 20. Nxe6 fxe6 21. Bxc6 Bxc6 22. Qxe6+ Raf7 23.
Qxc6 Rxf3 24. gxf3 Bf4 ({RR} 24... Qg5+ 25. Kh1 Qh4 26. Qe6+ Kh8 27. Qf7 Qd8
28. Qe7) 25. Qe6+ {Wells,P (2545)-Magem Badals,J (2560) Linares 1995 CBM 051
[Baburin] 1-0 (40)}) ({RR} 10... a6 11. a3 b5 12. Bb3 Bb7 13. Rd1 Nbd7 14. Bf4
Nb6 15. Rac1 Rc8 16. Ne5 Nfd5 17. Nxd5 Nxd5 18. Bg3 Qa5 19. Nd7 Rfd8 20. Nc5
Bxc5 21. dxc5 b4 22. Bxd5 Rxd5 23. Rxd5 Bxd5 24. axb4 Qxb4 25. Bd6 {Apap,H
(1770)-Paternoster,T (1696) France 2013 0-1 (44)}) ({RR} 10... a6 11. Bg5 b5
12. Bb3 Bb7 13. Rfd1 Nbd7 14. d5 exd5 15. Nxd5 Bxd5 16. Bxd5 Nxd5 17. Rxd5 Bxg5
18. Nxg5 h6 19. Qd2 hxg5 20. Rxd7 Qf6 21. Rd1 Rae8 {1/2-1/2 (20) Uhlmann,
W-Spassky,B Amsterdam 1970}) 11. Be3 Na5 $146 ({RR} 11... Re8 12. Rad1 Nd5 13.
Rfe1 Bb4 14. Bd2 Nb6 15. Bb3 Ne7 16. Bc2 Ng6 17. Ng5 h6 18. Nxf7 Kxf7 19. Qh5
Qf6 20. Ne4 Qe7 21. Ng5+ Kf8 22. Nh7+ Kg8 23. Bxb4 Qxb4 24. Nf6+ Kf8 25. Nxe8
Kxe8 26. Qxg6+ {Atkins,H-Pelzer,F Amsterdam 1899 1-0}) ({RR} 11... a6 12. Rad1
Nb4 13. Ne5 Nbd5 14. Bd3 Bd7 15. Bd2 Rc8 16. Nxd5 exd5 17. Rfe1 Re8 18. Bb1 Bd6
19. Bg5 Be7 20. Bxf6 Bxf6 21. Bxh7+ Kf8 22. Qh5 Be6 23. Bd3 Qc7 24. Re3 Ke7 25.
Nxf7 {1-0 (24) Szabo,G (2546)-Torok,F (2214) Slanic Moldova 2011}) 12. Bd3 b6
13. Bg5 Bb7 14. Rad1 Rc8 15. Rfe1 h6 16. Bc1 Bb4 17. Bd2 Bxc3 18. bxc3 Qd5 19.
Qf1 Qxa2 20. Ne5 Nb3 21. Re2 Nxd2 22. Rexd2 Qd5 23. c4 Qd6 24. Qe2 Rfd8 25. h3
Nd7 26. Ng4 h5 27. Ne3 g6 28. Ra2 Ra8 29. Qc2 Kg7 30. Be4 Bxe4 31. Qxe4 Nf6 32.
Qh4 Rd7 33. Rad2 Rad8 34. Rd3 a6 35. Qg5 Ne4 36. Qh4 Nf6 37. Rb3 Qc7 38. d5 Qe5
39. Rxb6 exd5 40. Nxd5 Nxd5 41. cxd5 Rxd5 42. Qxd8 Rxd8 43. Rxd8 Qe1+ 1/2-1/2

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.04.18"]
[Round "4"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris V"]
[Result "1/2-1/2"]
[ECO "E08"]
[PlyCount "87"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. b3 b6 8. Bb2 Bb7
9. Nc3 Nbd7 10. Qc2 Rc8 11. Rad1 b5 12. c5 b4 13. Na4 Ba6 14. Ne1 Bb5 15. Nd3
a5 16. a3 bxa3 17. Bxa3 Rb8 $146 ({RR} 17... Qc7 18. Bc1 Qb7 19. Bd2 Bd8 20.
Ra1 Bc7 21. Nc3 Bxd3 22. exd3 Ra8 23. f4 Rfb8 24. Rfb1 Qc8 25. Ra3 Rb7 26. Ne2
Qb8 27. Rba1 Rba7 28. Bc3 Qb5 29. Nc1 Ra6 30. Ra4 Qb7 31. Qd2 Ne8 32. Bh3 {
Bolduc,S (2177)-Fillion,S (2147) Montreal 2006 1-0 (65)}) 18. Rb1 Re8 19. Nc3
Ba6 20. Rfd1 Bf8 21. e4 dxe4 22. Nxe4 Bxd3 23. Qxd3 Nd5 24. Rdc1 N7f6 25. Nd6
Bxd6 26. cxd6 Qd7 27. Qa6 Rec8 28. Qxa5 Ne8 29. Qc5 Rb5 30. Qc4 Rbb8 31. Qc5
Rb5 32. Qc4 h6 33. Rc2 Rbb8 34. Rbc1 Nxd6 35. Bxd6 Qxd6 36. Bxd5 exd5 37. Qa4
Rb6 38. Rc5 Qe6 39. b4 Rcb8 40. Rxc6 Rxc6 41. Qxc6 Qxc6 42. Rxc6 Rxb4 43. Kf1
Rxd4 44. Ke2 1/2-1/2

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.04.20"]
[Round "5"]
[White "Spassky, Boris V"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[ECO "B14"]
[PlyCount "158"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Qb3 Bg7 7. cxd5 O-O 8. g3
Na6 9. Bg2 Qb6 10. Qxb6 axb6 11. Nge2 Nb4 12. O-O Rd8 13. d6 Rxd6 14. Bf4 Rd7
15. Rfd1 ({RR} 15. Be5 e6 16. Rfd1 Nc6 17. a3 Nxe5 18. dxe5 Ng4 19. f4 Ne3 20.
Rxd7 Bxd7 21. Bxb7 Ra7 22. Bh1 f6 23. exf6 Bxf6 24. Rb1 e5 25. Nd5 Nxd5 26.
Bxd5+ Kg7 27. fxe5 Bxe5 28. Nc3 Bh3 29. Kf2 Bd4+ {Navara,D (2691)-Kamsky,G
(2746) Istanbul 2012 1/2-1/2 (36)}) 15... Nbd5 16. Be5 Bh6 $146 ({RR} 16... Rd8
17. Nf4 Nxf4 18. Bxf4 Bg4 19. Rd2 Nh5 20. Be3 Ra7 21. h3 Bd7 22. Nd5 Be6 23.
Nxe7+ Kf8 24. d5 Kxe7 25. Bxb6 Raa8 26. Bxd8+ Rxd8 27. Re2 {1-0 (27) Rogozenco,
D (2515)-Itkis,B (2391) Mamaia 2013}) ({RR} 16... Rd8 17. Nf4 {1/2-1/2 (17)
Mohajerin Esfahani,P (2401)-Brunner,L (2431) Switzerland 2011}) 17. a3 e6 18.
Nxd5 Nxd5 19. Rd3 Bg5 20. Bxd5 exd5 21. h4 Bd8 22. Rc1 Re7 23. Nf4 Be6 24. Rdc3
Bd7 25. Nxd5 Re6 26. Bc7 Kg7 27. Bxd8 Rxd8 28. Ne3 b5 29. d5 Rb6 30. Nc2 h6 31.
Nb4 g5 32. hxg5 hxg5 33. Kg2 Rf6 34. Re3 Rh8 35. Nd3 Rd6 36. Ne5 Bh3+ 37. Kf3
Rxd5 38. Rc7 Be6 39. Rxb7 Rc5 40. Ra7 Bd5+ 41. Kg4 Rc2 42. Kxg5 Rxf2 43. Nd3
Rf3 44. Rae7 Rxe3 45. Rxe3 f6+ 46. Kf4 Kf7 47. Nb4 Bc4 48. Rc3 Rh2 49. b3 Be6
50. Nd3 Ra2 51. Rc7+ Kg6 52. Nc5 Bf7 53. Rb7 Rxa3 54. Rxb5 Ra1 55. Ne4 Rf1+ 56.
Ke3 Re1+ 57. Kf3 Rf1+ 58. Ke2 Rb1 59. Nd2 Rg1 60. Kf2 Rc1 61. b4 Rc2 62. Ke3
Rc3+ 63. Kf4 Rd3 64. Nf3 Bd5 65. Nh4+ Kf7 66. Rb8 Rd4+ 67. Ke3 Re4+ 68. Kf2 Ke7
69. Ng6+ Kd7 70. Nf4 Bc6 71. Nd3 Kc7 72. Rf8 Bb5 73. Nf4 Kd7 74. Rf7+ Ke8 75.
Rb7 Rxb4 76. Nd5 Rb2+ 77. Ke3 Rb3+ 78. Kf4 Bc4 79. Nxf6+ Kf8 1/2-1/2

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.04.22"]
[Round "6"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris V"]
[Result "1/2-1/2"]
[ECO "D41"]
[PlyCount "30"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. c4 {Ftacnik,L} e6 2. d4 Nf6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. g3 Nc6 7.
Bg2 Nxc3 ({RR} 7... cxd4 8. Nxd4 Nxc3 9. bxc3 Nxd4 10. Qxd4 Qxd4 ({RR} 10...
Be7) 11. cxd4) ({RR} 7... Nb6) 8. bxc3 cxd4 9. cxd4 Bb4+ 10. Bd2 Be7 ({RR}
10... Bxd2+ 11. Qxd2) ({RR} 10... Qa5 11. Rb1 Bxd2+ 12. Qxd2 O-O 13. Qxa5 Nxa5
14. Ne5 f6 15. Nd3 Rb8 16. O-O b6 17. Rfc1 Bb7 18. Rc7 Bxg2 19. Kxg2 Rf7 20.
Rbc1 Rxc7 21. Rxc7 Rb7 22. Rc8+ Kf7 23. f4 Ke7 24. Kf3 Kd7 25. Rh8 {Maruncic,V
(2096)-Klisanin,D (1600) Dubrovnik 2013 0-1 (60)}) 11. O-O $146 ({RR} 11. Bc3
O-O 12. O-O Bd7 ({RR} 12... b6 13. Ne5) 13. Qd2 Rc8 14. e4 Bf6 ({RR} 14... Qb6
15. Rab1) 15. Rac1 Qb6 16. d5 Bxc3 17. Rxc3 exd5 ({RR} 17... Na5 18. Ne5) 18.
exd5 Nb8 19. Rb3 Qa6 ({RR} 19... Qc7 20. d6 Qc2 21. Qxc2 Rxc2 22. Rxb7) 20. Re1
Ba4 ({RR} 20... Rfe8 21. Ne5 Qd6 22. Rbe3 b5) 21. Ra3 b5 ({RR} 21... Rfe8 22.
Rxe8+ Rxe8 23. Qf4 b5 24. Re3) 22. Nd4 Rce8 23. Rxe8 Rxe8 24. Re3 Rf8 ({RR}
24... Rxe3 25. Qxe3 Kf8 26. Nc6) ({RR} 24... Rd8 25. Nc6 Nxc6 26. dxc6 Qc8 27.
Bd5) 25. Nc6 Qb6 {Gulko,B (2615)-Vaganian,R (2615) Yerevan 1996 CBM 053
[Ftacnik,L] 1-0} ({RR} 25... Nxc6 26. dxc6 b4 27. c7 Qc4 28. Re7 Qc3 29. Qxc3
bxc3 30. Bh3 c2 31. Re1)) ({RR} 11. Bc3 O-O 12. O-O Rb8 13. e4 b5 14. d5 exd5
15. exd5 Na5 16. Rc1 Nc4 17. Nd4 Bd7 18. Nc6 Bxc6 19. dxc6 Rc8 20. Qg4 g6 21.
Rcd1 Qb6 22. Rd7 Rc7 23. Rxc7 Qxc7 24. Qd4 f6 25. Qd5+ Kg7 {Kashtanov,R (2389)
-Ivanov,M (2351) St Petersburg 2003 1-0 (44)}) 11... O-O ({RR} 11... Nxd4 12.
Qa4+ Nc6 13. Ne5 Bd7 14. Bxc6 bxc6 15. Qa5) 12. Rb1 ({RR} 12. e3) 12... Nxd4
13. Nxd4 Qxd4 14. Qc2 Qc5 15. Qxc5 ({RR} 15. Qa4 Bd7 16. Qxd7 Rad8) 15... Bxc5
1/2-1/2

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.04.25"]
[Round "7"]
[White "Spassky, Boris V"]
[Black "Petrosian, Tigran V"]
[Result "0-1"]
[ECO "D03"]
[PlyCount "86"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. Nbd2 Be7 5. e3 Nbd7 6. Bd3 c5 7. c3 b6 8. O-O
Bb7 9. Ne5 Nxe5 10. dxe5 Nd7 11. Bf4 Qc7 ({RR} 11... g5 12. Bg3 h5 13. f4 h4
14. Be1 gxf4 15. exf4 Qc7 16. Qg4 O-O-O 17. Qh3 Rdg8 18. Nf3 Kb8 19. Bf2 f5 20.
exf6 Bxf6 21. Qxe6 d4 22. Be1 Qxf4 23. Qf5 Qxf5 24. Bxf5 Ne5 25. Kf2 h3 26. Rg1
{Klaric,Z (2405)-Geller,E (2590) Sochi 1977 0-1}) 12. Nf3 h6 $146 ({RR} 12...
O-O-O 13. Qa4 c4 14. Be2 a6 15. Qc2 Rdg8 16. e4 g5 17. Bg3 h5 18. h4 gxh4 19.
Nxh4 dxe4 20. Nf5 exf5 21. e6 Ne5 22. exf7 Rg7 23. Kh1 h4 24. Bf4 h3 25. g3 Bg5
26. Bxg5 Rxg5 27. Qc1 {Lazic,M (2175)-Vujosevic,V (2350) Nis 1995 0-1}) ({RR}
12... O-O-O 13. a4 h6 14. a5 g5 15. axb6 axb6 16. Bg3 h5 17. h4 gxh4 18. Nxh4
Nxe5 19. Ba6 Bd6 20. b4 c4 21. Qa4 Nc6 22. f4 Rhg8 23. Bh2 Rg4 24. Nf3 Rdg8 25.
Ra2 Bxa6 26. Qxa6+ Qb7 27. Qb5 {Lebel Arias,J (2090)-Simonet Pons,M (2240)
Monte Carlo 1996 0-1 (43)}) 13. b4 g5 14. Bg3 h5 15. h4 gxh4 16. Bf4 O-O-O 17.
a4 c4 18. Be2 a6 19. Kh1 Rdg8 20. Rg1 Rg4 21. Qd2 Rhg8 22. a5 b5 23. Rad1 Bf8
24. Nh2 Nxe5 25. Nxg4 hxg4 26. e4 Bd6 27. Qe3 Nd7 28. Bxd6 Qxd6 29. Rd4 e5 30.
Rd2 f5 31. exd5 f4 32. Qe4 Nf6 33. Qf5+ Kb8 34. f3 Bc8 35. Qb1 g3 36. Re1 h3
37. Bf1 Rh8 38. gxh3 Bxh3 39. Kg1 Bxf1 40. Kxf1 e4 41. Qd1 Ng4 42. fxg4 f3 43.
Rg2 fxg2+ 0-1

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.04.27"]
[Round "8"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris V"]
[Result "1/2-1/2"]
[ECO "A33"]
[PlyCount "46"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. e3 Be7 7. Be2 O-O 8.
O-O d6 9. b3 a6 10. Bb2 Bd7 11. Qd2 Qc7 12. Rac1 Rac8 13. Rfd1 Qb8 $146 ({RR}
13... Rfd8 14. Ba3 Be8 15. e4 Qa5 16. Nxc6 bxc6 17. Nd5 Qxd2 18. Nxe7+ Kf8 19.
Rxd2 Kxe7 20. e5 Ne4 21. exd6+ Nxd6 22. Bc5 Rd7 23. Rcd1 Rcd8 24. Bf3 f5 25.
Bxc6 Rc7 26. Rxd6 {1-0 (26) Lengyel,L (2375)-Kladiva,I Eger 1990}) 14. Nf3 Rfd8
15. Bd3 Be8 16. Qe2 d5 17. cxd5 Nxd5 18. Nxd5 Rxd5 19. a3 Rcd8 20. Be4 Rxd1+
21. Rxd1 Rxd1+ 22. Qxd1 Qd8 23. Qxd8 Bxd8 1/2-1/2

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.04.29"]
[Round "9"]
[White "Spassky, Boris V"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[ECO "D42"]
[PlyCount "51"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8.
Bd3 Nc6 9. O-O O-O 10. Re1 Bf6 11. Be4 Nce7 12. Qc2 g6 13. Bh6 Bg7 14. Bg5 f6
15. Bd2 Bd7 16. Qb3 Bc6 17. Bxd5 $146 ({RR} 17. Re2 Qd7 18. Rae1 Rae8 19. h4
Kh8 20. h5 gxh5 21. Qc2 f5 22. Bxd5 Nxd5 23. Ne5 Bxe5 24. Rxe5 Rg8 25. Nxd5
Bxd5 26. g3 Rg4 27. Bf4 Rxf4 28. gxf4 Qg7+ 29. Kf1 Qg2+ 30. Ke2 Qf3+ 31. Kd2
Qxf4+ {Dzindzichashvili,R-Terentiev,V Krasnodar 1966 0-1 (57)}) ({RR} 17. Re2
Qd7 18. Rae1 Rae8 19. h4 Kh8 20. h5 gxh5 21. Qc2 f5 22. Bxd5 Nxd5 23. Ne5 Bxe5
24. Rxe5 Rg8 25. Nxd5 Bxd5 26. g3 Rg4 27. Bf4 Rxf4 28. gxf4 Qg7+ 29. Kf1 Qg2+
30. Ke2 Qf3+ 31. Kd2 Qxf4+ {Walti,R-Terentiev,V Krasnodar 1966 1-0 (57)}) 17...
exd5 18. Ne4 Rf7 19. Nc5 Nf5 20. h3 Bf8 21. Ne6 Qd7 22. Nxf8 Rfxf8 23. Bb4 Rfe8
24. Rxe8+ Rxe8 25. Re1 Rxe1+ 26. Bxe1 1/2-1/2

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.05.02"]
[Round "10"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris V"]
[Result "1-0"]
[ECO "E66"]
[PlyCount "59"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. Nf3 {ChessBase} Nf6 2. g3 g6 3. c4 Bg7 4. Bg2 O-O 5. O-O Nc6 6. Nc3 d6 7. d4
a6 8. d5 Na5 9. Nd2 c5 10. Qc2 e5 11. b3 Ng4 ({RR} 11... Nh5 12. e4 f5 13. exf5
gxf5 14. Rb1 Bd7 15. a4 Rc8 16. Bb2 Rf7 17. Rfe1 b6 18. Ne2 Qg5 19. Bc3 Qh6 20.
b4 Nb7 21. bxc5 Nxc5 22. Rxb6 Nxa4 23. Rxa6 Nxc3 24. Nxc3 e4 25. Bf1 Be5 26. c5
{Tukmakov,V (2570)-Tseshkovsky,V (2550) Tbilisi 1978 1/2-1/2 (33)}) ({RR} 11...
Bd7 12. Bb2 Ng4 13. h3 Nh6 14. e3 f5 15. f4 g5 16. Ne2 Qe7 17. fxe5 Bxe5 18.
Bxe5 Qxe5 19. Qc3 Qxc3 20. Nxc3 b5 21. e4 b4 22. Ne2 Nb7 23. h4 gxh4 24. Bh3
hxg3 25. Nxg3 Rf7 26. Nxf5 {Kruljac,P (2052)-Szabo,G (2506) Budva 2009 1/2-1/2
(42)}) 12. e4 f5 13. exf5 gxf5 14. Nd1 $146 ({RR} 14. Bb2 Rb8 15. Rac1 b5 16.
Nd1 Bh6 17. f4 exf4 18. Qc3 Nf6 19. gxf4 Rb7 20. h3 Bg7 21. Qf3 bxc4 22. bxc4
Ne4 23. Bxg7 Rxg7 24. Nxe4 fxe4 25. Qe3 Qh4 26. Kh2 Bg4 27. Bxe4 Be2 28. Qf2
Qh5 {Grigorian,L-Buslaev,A Baku 1966 1-0 (42)}) ({RR} 14. Bb2 Bd7 15. Rae1 b5
16. Nd1 Nb7 ({RR} 16... b4 17. f4 exf4 18. Bxg7 Kxg7 19. Rxf4 Qf6 20. Ref1) ({
RR} 16... f4) 17. h3 Nf6 18. f4 e4 19. Ne3 h5 20. g4 hxg4 21. hxg4 Nxg4 22.
Nxg4 fxg4 23. Bxg7 Kxg7 24. Nxe4 Qh4 25. Ng5 Rae8 26. Ne6+ Bxe6 27. dxe6 Nd8
28. f5 g3 {Donner,J-Tatai,S Venice 1967 EXT 1999 [ChessBase] 1-0 (46)}) 14...
b5 15. f3 e4 16. Bb2 exf3 17. Bxf3 Bxb2 18. Qxb2 Ne5 19. Be2 f4 20. gxf4 Bh3
21. Ne3 Bxf1 22. Rxf1 Ng6 23. Bg4 Nxf4 24. Rxf4 Rxf4 25. Be6+ Rf7 26. Ne4 Qh4
27. Nxd6 Qg5+ 28. Kh1 Raa7 29. Bxf7+ Rxf7 30. Qh8+ 1-0

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.05.04"]
[Round "11"]
[White "Spassky, Boris V"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[ECO "C10"]
[PlyCount "51"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bg5 Be7
8. Bd3 c5 9. dxc5 Qa5+ 10. c3 Qxc5 11. Qe2 Bd7 ({RR} 11... a6 12. O-O-O b5 13.
Kb1 Bb7 14. Be3 Qc7 15. Bd4 Rd8 16. Rhe1 Bd5 17. Ne5 O-O 18. Qe3 Rc8 19. Qh3 g6
20. Qh6 Bc5 21. Bc2 Rcd8 22. Qh4 Bxd4 23. Rxd4 Kg7 24. Rf4 Qe7 25. g4 Bb7 26.
g5 {Cheparinov,I (2687)-Ljubojevic,L (2555) Amsterdam 2008 1/2-1/2 (84)}) 12.
Ne5 Bc6 ({RR} 12... Bd6 13. Bf4 O-O-O 14. O-O Be8 15. Rfe1 Nd5 16. Bg3 g5 17.
a3 Nf4 18. Bxf4 gxf4 19. Nc4 Bb8 20. b4 Qc7 21. Na5 Bc6 22. Nxc6 Qxc6 23. Be4
Qc7 24. Bf3 Rd7 25. c4 Rg8 26. c5 Kd8 27. Rad1 {Steingrimsson,H (2562)-Fridman,
D (2652) Germany 2012 1-0 (93)}) 13. h4 $146 ({RR} 13. O-O Nd7 14. Bxe7 Kxe7
15. Nxc6+ bxc6 16. Be4 Rad8 17. Qf3 g5 18. b4 Qc4 19. Qe3 h6 20. Bc2 c5 21. f4
cxb4 22. fxg5 Qxc3 23. Qf4 Rhf8 24. Bb3 Qc5+ 25. Kh1 hxg5 26. Qg3 Qe5 27. Qg4
Rh8 {Hector,J (2520)-Agdestein,S (2585) Reykjavik 1996 0-1 (33)}) ({RR} 13.
O-O-O Nd7 14. Bxe7 Qxe5 15. Ba3 O-O-O 16. f3 Qxe2 17. Bxe2 Nf6 18. c4 a6 19. b3
Rxd1+ 20. Rxd1 Rd8 21. Re1 Nd7 22. Kc2 f6 23. Be7 Re8 24. Bd6 Nf8 25. Bd3 Kd7
26. c5 Ng6 27. Kc3 Nh4 {Smeets,J (2532)-Andersson,U (2542) Amsterdam 2006 1-0
(45)}) 13... Rd8 14. O-O-O Nd7 15. Nxc6 Bxg5+ 16. hxg5 Qxg5+ 17. Kc2 bxc6 18.
Rh5 Qf4 19. Be4 Qc7 20. Qc4 c5 21. Qb5 g6 22. Rh4 O-O 23. Qc6 Qxc6 24. Bxc6 Ne5
25. Rxd8 Rxd8 26. Bb5 1/2-1/2

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.05.06"]
[Round "12"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris V"]
[Result "1/2-1/2"]
[ECO "A42"]
[PlyCount "77"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. Nf3 g6 2. c4 Bg7 3. d4 d6 4. Nc3 Nd7 5. e4 e6 6. Be2 b6 7. O-O Bb7 8. Be3
Ne7 ({RR} 8... Ngf6 9. Nd2 O-O 10. Qc2 h5 11. f3 Qe7 12. Bg5 Qe8 13. Nb5 Qb8
14. Bd3 Nh7 15. Be3 c5 16. d5 exd5 17. cxd5 a6 18. Nc3 Ne5 19. a4 Bc8 20. Be2
f5 21. exf5 Bxf5 22. Nde4 Nf6 23. h3 {Juhnke,K (2320)-Spassky,B (2630) Germany
1981 0-1 (44)}) 9. Qc2 h6 $146 ({RR} 9... O-O 10. Rad1 e5 11. d5 Bc8 12. Bd3
Nc5 13. Bxc5 bxc5 14. h3 f5 15. Rfe1 f4 16. Qd2 Bh6 17. Bc2 g5 18. Ba4 Ng6 19.
Rb1 g4 20. hxg4 Bxg4 21. Nh2 Bh5 22. Bd1 Qh4 23. Bxh5 Qxh5 24. Nf3 {Kiefer,
J-Fischer,M (2180) Regensburg 1997 0-1 (39)}) 10. Rad1 O-O 11. d5 e5 12. Qc1
Kh7 13. g3 f5 14. exf5 Nxf5 15. Bd3 Bc8 16. Kg2 Nf6 17. Ne4 Nh5 18. Bd2 Bd7 19.
Kh1 Ne7 20. Nh4 Bh3 21. Rg1 Bd7 22. Be3 Qe8 23. Rde1 Qf7 24. Qc2 Kh8 25. Nd2
Nf5 26. Nxf5 gxf5 27. g4 e4 28. gxh5 f4 29. Rxg7 Qxg7 30. Rg1 Qe5 31. Nf3 exd3
32. Nxe5 dxc2 33. Bd4 dxe5 34. Bxe5+ Kh7 35. Rg7+ Kh8 36. Rf7+ Kg8 37. Rg7+ Kh8
38. Rg6+ Kh7 39. Rg7+ 1/2-1/2

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.05.11"]
[Round "13"]
[White "Spassky, Boris V"]
[Black "Petrosian, Tigran V"]
[Result "1-0"]
[ECO "B19"]
[PlyCount "182"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5
Bh7 9. Bd3 Bxd3 10. Qxd3 Qc7 11. Bd2 e6 12. Qe2 Ngf6 13. O-O-O O-O-O 14. Ne5
Nxe5 15. dxe5 Nd7 16. f4 Be7 17. Ne4 Nc5 18. Nc3 f6 19. exf6 Bxf6 20. Qc4 Qb6
21. b4 Na6 22. Ne4 $146 ({RR} 22. Na4 Qd4 23. Qxe6+ Kb8 24. c3 Qf2 25. Qg4 Rhe8
26. Rhf1 Qe2 27. Qxe2 Rxe2 28. Rg1 b5 29. Nb2 Nxb4 30. cxb4 Bxb2+ 31. Kxb2
Rdxd2+ 32. Rxd2 Rxd2+ 33. Kb3 Rd3+ 34. Kc2 Rd4 35. g3 Rxb4 36. Re1 Ra4 {Roose,
J-Macskasy,E Lugano 1968 1/2-1/2 (58)}) 22... Nc7 23. Rhe1 Rd4 24. Qb3 Qb5 25.
c3 Rxe4 26. Rxe4 Qxh5 27. Qc4 Qf5 28. Qe2 h5 29. Be1 Re8 30. g3 a5 31. bxa5
Qxa5 32. Qc2 Qf5 33. Ra4 g5 34. fxg5 Bxg5+ 35. Kb1 Qxc2+ 36. Kxc2 e5 37. Re4
Nd5 38. Bf2 Nf6 39. Ra4 Kc7 40. Bc5 Nd5 41. Re4 b6 42. Bg1 Bd8 43. Rf1 Nf6 44.
Re2 c5 45. Rf5 Kd6 46. a4 Kd5 47. Kd3 Ng4 48. Rb2 Rh8 49. a5 c4+ 50. Ke2 Ke4
51. Rf7 bxa5 52. Rb8 a4 53. Rc8 Bf6 54. Rxc4+ Kf5 55. Ra7 a3 56. Rxa3 Rb8 57.
Rb4 Rc8 58. c4 Be7 59. c5 e4 60. Ra7 Bf6 61. Rh7 Kg6 62. Rd7 Kf5 63. Rd5+ Be5
64. Rb6 e3 65. Kf3 Nf6 66. Rd3 Rxc5 67. Bxe3 Rc2 68. Rd8 Rc3 69. Ke2 Rc2+ 70.
Kd1 Rc3 71. Bf2 Ne4 72. Rf8+ Kg5 73. Rb5 Rd3+ 74. Ke2 Rd5 75. Rxd5 Nc3+ 76. Kf3
Nxd5 77. Ra8 Kf5 78. Ra5 Ke6 79. Be1 Nf6 80. Rb5 Nd5 81. Bd2 Bg7 82. Bc1 Be5
83. Bb2 Bc7 84. Rc5 Bd6 85. Rc1 Ne7 86. Re1+ Kf5 87. Ra1 Nc6 88. Ra6 Be5 89.
Rxc6 Bxb2 90. Rc5+ Kg6 91. Kf4 Bg7 1-0

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.05.13"]
[Round "14"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris V"]
[Result "1/2-1/2"]
[ECO "A05"]
[PlyCount "113"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. Nf3 Nf6 2. g3 b5 3. a4 b4 4. d3 ({RR} 4. c4 c5 5. Bg2 Bb7 6. O-O e6 7. b3
Be7 8. Bb2 O-O 9. e3 d5 10. d3 Nc6 11. Nbd2 Rc8 12. Ne5 Nxe5 13. Bxe5 Nd7 14.
Bb2 Bf6 15. Qc2 Qe7 16. Rac1 Rfd8 17. Rfd1 Ne5 18. cxd5 exd5 {Zaragatski,I
(2469)-Postny,E (2618) Vlissingen 2011 0-1 (34)}) 4... Bb7 5. e4 d6 $146 ({RR}
5... e6 6. Bg2 d5 7. e5 Nfd7 8. O-O c5 9. Re1 Nc6 10. h4 Be7 11. Nbd2 Qc7 12.
Qe2 a5 13. Nf1 Ba6 14. Bg5 c4 15. Qe3 cxd3 16. cxd3 Qb6 17. d4 h6 18. Bxe7 Nxe7
19. h5 {1/2-1/2 (19) Dolezal,R (2404)-Adamek,J (2240) Ostrava 2011}) 6. Bg2
Nbd7 7. O-O e6 8. a5 Rb8 9. Nbd2 Be7 10. Nc4 O-O 11. Re1 a6 12. Bf4 Ba8 13. Qe2
Re8 14. h3 Bf8 15. Ncd2 g6 16. Bg5 h6 17. Be3 Bg7 18. Kh2 Qe7 19. Ra2 Kh7 20.
Ng1 d5 21. f4 e5 22. fxe5 Qxe5 23. d4 Qe6 24. e5 Ne4 25. Raa1 c5 26. Nxe4 dxe4
27. c3 bxc3 28. bxc3 cxd4 29. cxd4 f6 30. exf6 Nxf6 31. Rab1 Nd5 32. Qd2 Rxb1
33. Rxb1 Qd6 34. Ne2 Qa3 35. Bg1 Qd3 36. Qe1 Bc6 37. Rd1 Qa3 38. Nf4 Nxf4 39.
gxf4 Bb5 40. Be3 Bd3 41. h4 Qd6 42. h5 g5 43. Qg3 Bxd4 44. Bxd4 Qxd4 45. fxg5
Qe5 46. Qxe5 Rxe5 47. gxh6 Rxa5 48. Kg3 Rg5+ 49. Kf2 a5 50. Ra1 Kxh6 51. Bh1
Rxh5 52. Ke3 Bc2 53. Rc1 Rh3+ 54. Kd4 a4 55. Bxe4 Bxe4 56. Kxe4 a3 57. Kd4
1/2-1/2

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.05.16"]
[Round "15"]
[White "Spassky, Boris V"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[ECO "B25"]
[PlyCount "110"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nh3 Nf6 7. O-O Bg4 8. f3
Bxh3 9. Bxh3 O-O 10. Be3 ({RR} 10. f4 Ne8 11. f5 Nc7 12. Nd5 Nxd5 13. exd5 Ne5
14. c3 Qb6 15. Rf2 c4 16. d4 Nd3 17. Re2 Nxc1 18. Qxc1 Bf6 19. Qh6 Bg7 20. Qd2
Bf6 21. Bg2 g5 22. Re4 Kh8 23. Rae1 Qc7 24. Qe2 b5 {Romanishin,O (2585)
-Yudasin,L (2500) Moscow 1983 1-0 (33)}) 10... Ne8 11. Qd2 Nc7 12. Rae1 $146 ({
RR} 12. Bh6 Bxh6 13. Qxh6 Nd4 14. Rf2 b5 15. Nd1 b4 16. c3 bxc3 17. bxc3 Nc6
18. f4 d5 19. Bg2 Rc8 20. g4 c4 21. Rf3 f6 22. exd5 Nxd5 23. dxc4 Nb6 24. Ne3
Na5 25. f5 g5 26. Rd1 Qc7 {Semenov,D (2241)-Papenin,N (2359) Evpatoria 2002
1-0 (63)}) 12... b6 13. Nd1 d5 14. Qe2 e6 15. f4 f5 16. Bc1 Rf7 17. Bg2 Qd7 18.
Nf2 Rd8 19. c3 b5 20. exd5 exd5 21. Bd2 c4 22. Qf3 Ne7 23. dxc4 bxc4 24. b3 Nc8
25. bxc4 dxc4 26. Bc1 Qa4 27. Rd1 Rdf8 28. Be3 Nb6 29. Bc5 Rc8 30. Bb4 Na6 31.
Bd6 Qa5 32. g4 Qxc3 33. Qe2 Qf6 34. Rfe1 Rd7 35. Be7 Rxe7 36. Qxe7 Qxe7 37.
Rxe7 Nc5 38. gxf5 c3 39. fxg6 hxg6 40. Re2 Rc7 41. Ne4 Ne6 42. Nxc3 Nd4 43. Re5
Bxe5 44. fxe5 Rxc3 45. Rxd4 Kf7 46. Rd6 Rc5 47. Rf6+ Kg7 48. Be4 Rxe5 49. Rxg6+
Kf7 50. Bc2 Re1+ 51. Kf2 Ra1 52. Rc6 Rxa2 53. h4 Nd5 54. Kf3 Ra3+ 55. Ke4 Rc3
1/2-1/2

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.05.18"]
[Round "16"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris V"]
[Result "1/2-1/2"]
[ECO "B06"]
[PlyCount "97"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Be2 e6 5. c3 ({RR} 5. O-O Ne7 6. Re1 b6 7. e5
d5 8. Bb5+ c6 9. Bf1 Ba6 10. Bxa6 Nxa6 11. a4 c5 12. Qe2 Nb8 13. c3 Nbc6 14.
Na3 a6 15. b3 O-O 16. Rb1 cxd4 17. cxd4 Nb4 18. Bd2 Nec6 19. Bc3 Qe7 {Djuric,S
(2483)-Chatalbashev,B (2518) Lido Degli Estensi 2001 1/2-1/2}) ({RR} 5. O-O Ne7
6. Bg5 O-O 7. c3 h6 8. Bf4 b6 9. Nbd2 Bb7 10. h3 Nd7 11. Qc1 Kh7 12. Nh2 e5 13.
Be3 f5 14. f3 Rc8 15. Bd3 d5 16. Qc2 c5 17. dxc5 Nxc5 18. exf5 Nxf5 19. Bxf5
Rxf5 {Liska,J (1794)-Koudelka,M (1762) Novy Bor 2013 0-1 (34)}) 5... Nd7 6. O-O
$146 ({RR} 6. Be3 Ne7 7. Qd2 h6 8. h3 g5 9. Nh2 O-O 10. Bf3 e5 11. d5 Ng6 12.
g3 Nb6 13. Na3 Bxh3 14. O-O-O f5 15. exf5 Bxf5 16. Bg2 Qe7 17. g4 Bd7 18. Be4
Nf4 19. f3 Na4 20. Qc2 b5 {Traut,A (1358)-Nemoj,I (1703) Bad Bevensen 2010 0-1
(50)}) 6... Ne7 7. Nbd2 b6 8. a4 a6 9. Re1 Bb7 10. Bd3 O-O 11. Nc4 Qe8 12. Bd2
f6 13. Qe2 Kh8 14. Kh1 Qf7 15. Ng1 e5 16. dxe5 fxe5 17. f3 Nc5 18. Ne3 Qe8 19.
Bc2 a5 20. Nh3 Bc8 21. Nf2 Be6 22. Qd1 Qf7 23. Ra3 Bd7 24. Nd3 Nxd3 25. Bxd3
Bh6 26. Bc4 Qg7 27. Re2 Ng8 28. Bxg8 Rxg8 29. Nd5 Bxd2 30. Rxd2 Be6 31. b4 Qf7
32. Qe2 Ra7 33. Ra1 Rf8 34. b5 Raa8 35. Qe3 Rab8 36. Rf1 Qg7 37. Qd3 Rf7 38.
Kg1 Rbf8 39. Ne3 g5 40. Rdf2 h5 41. c4 Qg6 42. Nd5 Rg8 43. Qe3 Kh7 44. Qd2 Rgg7
45. Qe3 Kg8 46. Rd2 Kh7 47. Rdf2 Rf8 48. Qd2 Rgf7 49. Qe3 1/2-1/2

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.05.20"]
[Round "17"]
[White "Spassky, Boris V"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[ECO "B25"]
[PlyCount "58"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 Nf6 6. d3 O-O 7. Nh4 Rb8 8. f4
d6 9. O-O Bd7 10. f5 b5 11. Bg5 b4 12. Nd5 a5 $146 ({RR} 12... Nxd5 13. exd5
Nd4 14. fxg6 hxg6 15. Qd2 Ba4 16. Bh6 Qb6 17. Bxg7 Kxg7 18. c3 bxc3 19. bxc3
Qa5 20. Rf2 Rh8 {1-0 (20) Martinez Duany,L (2485)-Gonzalez Chavez,E (2126)
Merida 2008}) 13. Kh1 Ne5 14. Qd2 Bc6 15. Rae1 a4 16. Qe2 Qd7 17. Bc1 Qb7 18.
Ne3 e6 19. fxe6 fxe6 20. Nf3 Nxf3 21. Rxf3 d5 22. exd5 exd5 23. Ng4 Rbe8 24.
Nxf6+ Bxf6 25. Re3 Rxe3 26. Qxe3 Re8 27. Qf2 Rxe1+ 28. Qxe1 Kf7 29. Qe2 Qe7
1/2-1/2

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.05.23"]
[Round "18"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris V"]
[Result "1/2-1/2"]
[ECO "E12"]
[PlyCount "65"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. a3 Bxf3 6. gxf3 Be7 ({RR} 6... d5 7.
Bg5 Be7 8. Qa4+ Qd7 9. Qxd7+ Nbxd7 10. Nb5 Kd8 11. Bf4 c6 12. Nd6 Bxd6 13. Bxd6
dxc4 14. e3 b5 15. a4 Ne8 16. Bg3 Nb6 17. axb5 cxb5 18. Ra5 a6 19. Kd2 Kd7 20.
Be2 Nd6 21. Rha1 {Vojinovic,J (2375)-Capellades Subirana,M (2234) Montcada
2012 1-0 (41)}) 7. f4 $146 ({RR} 7. e4 O-O 8. f4 Ne8 9. Be3 c5 10. d5 Nd6 11.
Qf3 exd5 12. cxd5 Ne8 13. d6 Bh4 14. e5 Nc6 15. Qh3 g6 16. Rg1 Ng7 17. Rg4 Nf5
18. O-O-O h5 19. Rg2 Kh8 20. Bd3 Ncd4 21. Rdg1 Rg8 {Hansen,C (2635)-Fries
Nielsen,J (2398) Copenhagen 2004 1-0}) 7... d5 8. f5 exf5 9. Bg2 O-O 10. cxd5
Bd6 11. Qd3 g6 12. Bg5 Re8 13. h4 Nbd7 14. h5 Rb8 15. hxg6 fxg6 16. O-O-O b5
17. Nxb5 Qc8 18. Rd2 Qb7 19. Nc3 Qb3 20. Qc2 Kg7 21. Bf3 h5 22. Qxb3 Rxb3 23.
Rc2 Reb8 24. e3 Kf7 25. Rd1 Nb6 26. Bxf6 Kxf6 27. Be2 h4 28. f4 Re8 29. Kd2
Rxc3 30. Rxc3 Nxd5 31. Bb5 Nxc3 32. Bxe8 Nxd1 33. Kxd1 1/2-1/2

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.05.27"]
[Round "19"]
[White "Spassky, Boris V"]
[Black "Petrosian, Tigran V"]
[Result "1-0"]
[ECO "C11"]
[PlyCount "135"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. dxc5 Nc6 7. Bf4 Bxc5 8.
Bd3 f6 9. exf6 Nxf6 10. O-O O-O 11. Ne5 Bd7 12. Nxc6 Bxc6 13. Qe2 Qe7 14. Rae1
Rae8 15. Bg3 ({RR} 15. Bg5 e5 16. Bb5 Qe6 17. Bxc6 bxc6 18. Na4 Bd6 19. Bh4 e4
20. Bxf6 Rxf6 21. h3 Ref8 22. Qg4 Qe5 23. Qg3 Qd4 {0-1 (23) Boudier,E (1898)
-Forthofer,R (2243) La Fere 2008}) 15... a6 16. a3 Qf7 $146 ({RR} 16... Nd7 17.
Qh5 g6 18. Qh6 e5 19. Nd1 e4 20. c3 Ne5 21. Bxe5 Qxe5 22. Qd2 Bd6 23. g3 Bc5
24. Be2 Bd7 25. Kg2 Qe6 26. Ne3 Bc6 27. Kg1 h5 28. Nd1 Kg7 29. b4 Ba7 30. c4 d4
31. c5 {Richter,K (2076)-Buchkremer,F (2023) Dortmund 2005 0-1 (37)}) 17. b4
Bd4 18. Be5 Bxe5 19. Qxe5 Nd7 20. Qg3 e5 21. f3 Qf4 22. Qxf4 Rxf4 23. Rf2 g6
24. Rd2 Nb6 25. Rde2 Nd7 26. Nd1 b5 27. c3 Rf7 28. Bc2 Kg7 29. Bb3 h5 30. Ne3
Nb6 31. Nc2 Nd7 32. Re3 h4 33. h3 Rf6 34. Nd4 Bb7 35. a4 Rd8 36. Ne2 bxa4 37.
Bxa4 Nb6 38. Bb3 e4 39. Nd4 Kh6 40. Rd1 Rc8 41. fxe4 dxe4 42. Ne6 Nc4 43. Bxc4
Rxc4 44. Nc5 Rf7 45. Ra1 Kg5 46. Ra5 Kf4 47. Kf2 Bd5 48. Nb3 Ke5+ 49. Ke2 Rc6
50. Nd2 Ke6 51. Nxe4 Bc4+ 52. Kd2 Rd7+ 53. Kc2 Kf7 54. Re5 Kg7 55. Nd2 Bb5 56.
Nf3 Ba4+ 57. Kb2 Rd1 58. R5e4 Rf1 59. Re1 Rxe1 60. Rxe1 Rf6 61. Re4 g5 62. Nxg5
Rf2+ 63. Ka3 Bc6 64. Rxh4 Bxg2 65. Ne4 Re2 66. Nc5 Bf1 67. Rf4 Re1 68. h4 1-0

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.05.30"]
[Round "20"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris V"]
[Result "1-0"]
[ECO "E59"]
[PlyCount "81"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3
Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7 11. Bd3 e5 12. Qc2 Bg4 13. Nxe5 Nxe5 14. dxe5
Qxe5 15. f3 Bd7 ({RR} 15... Be6 16. e4 Rfd8 17. Rb1 b6 18. f4 Qd6 19. Be2 c4
20. Be3 Qxa3 21. e5 Ng4 22. Bxg4 Bxg4 23. f5 Rd3 24. Bd4 g6 25. e6 Bxf5 26.
exf7+ Kf8 27. Qf2 Qd6 28. Qh4 h5 29. Rbe1 Rxd4 30. cxd4 {Di Berardino,D (2480)
-Aranha Filho,A (2302) Rio de Janeiro 2011 1-0 (43)}) 16. a4 ({RR} 16. Re1 Ba4
17. Qb2 Rad8 18. Bf1 b6 19. c4 Rfe8 20. Qxe5 Rxe5 21. Bb2 Re6 22. e4 Nd7 23. e5
Nb8 24. Be2 Nc6 25. Bd1 Bxd1 26. Raxd1 Rxd1 27. Rxd1 Kf8 28. f4 Na5 29. Rc1 Re8
30. Kf2 Rd8 {Geller,E-Spassky,B Amsterdam/Leeuwarden 1956 1/2-1/2 (43)}) 16...
Rfe8 $146 ({RR} 16... Rfd8 17. Re1 Bc6 18. e4 Nd5 19. Bd2 Nf4 20. Bf1 Ne6 21.
g3 g5 22. Qc1 Rd6 23. Re2 Kh8 24. Bh3 h6 25. Bf5 Rad8 26. Qe1 Rd3 27. Rf2 Qf6
28. Bg4 c4 29. Ra3 Nc5 30. Ra2 Nb3 31. e5 {Kostin,S (2210)-Tunik,G (2460)
Smolensk 1997 0-1 (47)}) ({RR} 16... Bc6 17. Re1 Rfd8 18. e4 Nd5 19. Bd2 Nf4
20. Bc4 Rd7 21. Be3 Rad8 22. a5 h5 23. Bf1 h4 24. Rad1 {1/2-1/2 (24) Lugovoi,A
(2485)-Gershon,A (2553) Hamburg 2001}) ({RR} 16... Bc6 17. e4 Rad8 18. Bb5 c4
19. Be3 Ng4 20. fxg4 Bxe4 21. Qf2 Bd3 22. Bc5 a6 23. Bxf8 Rxf8 24. Rfe1 Qd5 25.
Be8 {1-0 (25) Bjerke,R (2285)-Hultin,J (2225) Oslo 1992}) 17. e4 c4 18. Be2 Be6
19. Be3 Qc7 20. Rab1 Nd7 21. Rb5 b6 22. Rfb1 Qc6 23. Bd4 f6 24. Qa2 Kh8 25. Bf1
h6 26. h3 Rab8 27. a5 Rb7 28. axb6 axb6 29. Qf2 Ra8 30. Qb2 Rba7 31. Bxb6 Ra2
32. Qb4 Rc2 33. Bf2 Qc7 34. Qe7 Bxh3 35. gxh3 Rxf2 36. Kxf2 Qh2+ 37. Bg2 Ne5
38. Rb8+ Rxb8 39. Rxb8+ Kh7 40. Rd8 Ng6 41. Qe6 1-0

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.06.01"]
[Round "21"]
[White "Spassky, Boris V"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[ECO "C13"]
[PlyCount "78"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. c3 Nd7 8.
Nf3 O-O 9. Bd3 e5 10. Qc2 exd4 11. cxd4 g6 12. h4 Bg7 13. h5 Nf6 14. hxg6 hxg6
15. O-O-O $146 ({RR} 15. Neg5 Nd5 16. a3 Nf4 17. Bc4 b5 18. Bxb5 Bf5 19. Qd2
Qd5 20. Ba4 Qc4 21. b3 Rae8+ 22. Kd1 Qe2+ 23. Qxe2 Rxe2 24. b4 Rxf2 25. Rc1 Nd3
26. Rxc7 Nb2+ 27. Ke1 Nd3+ 28. Kd1 Rxg2 29. Bb3 Nf2+ {Ljubicic,F (2335)-Dizdar,
G (2490) Solin 1993 0-1 (65)}) 15... Nxe4 16. Bxe4 Bg4 17. Qb3 Qd6 18. Rh4 Qf4+
19. Qe3 Qxe3+ 20. fxe3 Bxf3 21. gxf3 c6 22. Kd2 Rfe8 23. b4 Bf6 24. Rg4 Re7 25.
Bd3 Rae8 26. Re1 a6 27. Bc4 Kg7 28. Rgg1 Rh8 29. Rh1 Rxh1 30. Rxh1 Rd7 31. Bb3
Bd8 32. f4 f5 33. Kd3 a5 34. bxa5 Bxa5 35. Rc1 Kf6 36. Rc4 Rd8 37. Ke2 Bc7 38.
Ra4 g5 39. fxg5+ Kxg5 1/2-1/2

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.06.03"]
[Round "22"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris V"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "70"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 b5 2. e4 Bb7 3. f3 a6 4. Be3 e6 5. Nd2 ({RR} 5. c3 Nf6 6. Bd3 d6 7. a4
Be7 8. axb5 O-O 9. bxa6 Nxa6 10. Ne2 Nc5 11. Rxa8 Nxd3+ 12. Qxd3 Qxa8 13. O-O
Ba6 14. Qc2 Nd7 15. Rd1 Kh8 16. Nc1 Rg8 17. d5 Ne5 18. dxe6 fxe6 19. b3 Qb7 {
Hoffman,A (2450)-Gomez Esteban,J (2410) Oviedo 1993 1-0 (34)}) 5... Nf6 ({RR}
5... d6 6. Bd3 c5 7. c3 Nf6 8. Ne2 Nbd7 9. O-O Be7 10. Ng3 O-O 11. Re1 Rc8 12.
Bf1 Re8 13. Kh1 Bf8 14. Bg1 Qc7 15. Bd3 g6 16. Qe2 Bg7 17. a4 c4 18. Bc2 e5 19.
Qf1 d5 20. dxe5 {Stern,R (2504)-Zapolskis,A (2327) Warsaw 2010 1-0 (63)}) 6. c3
Be7 7. Bd3 $146 ({RR} 7. a4 b4 8. c4 d6 9. a5 c5 10. d5 O-O 11. Bd3 Nbd7 12. f4
h6 13. h3 Nh7 14. Bf2 exd5 15. exd5 Bh4 16. g3 Bf6 17. Qc2 Re8+ 18. Ne2 Ndf8
19. O-O Bc8 20. Kh2 Ng6 21. Ng1 Ngf8 {Greabca,D (2002)-Chirpii,A Eforie Nord
1999 1-0 (33)}) 7... d6 8. a4 c6 9. Ne2 Nbd7 10. O-O O-O 11. Ng3 Re8 12. axb5
axb5 13. Rxa8 Qxa8 14. Qc2 Bf8 15. b4 Qb8 16. Nb3 g6 17. Ra1 e5 18. Qf2 d5 19.
dxe5 Nxe5 20. Bc2 Bg7 21. Ba7 Qc7 22. Bb6 Qb8 23. Ba7 Qc7 24. Bb6 Qb8 25. Ba7
Qc8 26. Bd4 h5 27. h3 h4 28. Nf1 dxe4 29. fxe4 Ned7 30. Nfd2 c5 31. Nxc5 Nxc5
32. bxc5 Bxe4 33. Bb3 Bf5 34. Ra7 Nd7 35. Nf3 Qb8 1-0

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.06.06"]
[Round "23"]
[White "Spassky, Boris V"]
[Black "Petrosian, Tigran V"]
[Result "1-0"]
[ECO "C13"]
[PlyCount "62"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. e4 {ChessBase} e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6
7. Nf3 Bd7 8. Qd2 Bc6 9. Nxf6+ Qxf6 ({RR} 9... gxf6 10. Be2 Nd7 11. O-O-O Nb6
12. c4 Qe7 13. Qa5 O-O 14. Qh5 Be4 15. Bd3 Bg6 16. Qh6 Kh8 17. Nh4 Bxd3 18.
Rxd3 Rg8 19. Re1 Qb4 20. Qxf6+ Rg7 21. Nf3 Qxc4+ 22. Rc3 Qxa2 23. Ne5 Qa1+ 24.
Kc2 {Vuckovic,B (2623)-Stojanovic,M (2581) Tivat 2011 1/2-1/2}) ({RR} 9... gxf6
) 10. Ne5 O-O 11. O-O-O Nd7 ({RR} 11... Rd8 12. Qe3 ({RR} 12. f4 Be8 13. Bd3
Nc6 14. Nf3 h5 15. Kb1 Nb4 16. Be4 Bc6) 12... Be8 ({RR} 12... Nd7 13. Nxc6 ({RR
} 13. f4) 13... bxc6) 13. g3 Nd7 14. Bg2 c6 15. f4 Qe7 16. h4 f6 17. Nf3 Bh5
18. Bh3 Bxf3 19. Qxf3 Nf8 20. Rhe1 Qf7 21. Bf1 Rd6 ({RR} 21... f5 22. Bc4 b5
23. Bb3 a5) 22. Bc4 Rad8 ({RR} 22... b5 23. Bxb5) ({RR} 22... f5) 23. f5 Rxd4
24. fxe6 Rxd1+ ({RR} 24... Qe7 25. Qa3 Rxd1+ ({RR} 25... Qxa3 26. e7+ Rxc4 27.
exd8=Q) ({RR} 25... c5 26. Qxa7 Rxd1+ 27. Rxd1 Rxd1+ 28. Kxd1 Ng6 29. Qxb7) 26.
Rxd1 Rxd1+ 27. Kxd1 Ng6 28. Qxa7) 25. Rxd1 Rxd1+ 26. Qxd1 {Spassky,B-Donner,J
Leiden 1970 MCL [ChessBase] 1-0} {RR} Qe7 27. Qd8) 12. Nxc6 $146 ({RR} 12. f4
Nxe5 13. fxe5 Qg6 14. h4 Rad8 15. h5 Qh6 16. Qxh6 gxh6 17. Rh4 f6 18. Bc4 Kf7
19. Rf1 Ke7 20. Rg4 fxe5 21. Rg7+ Kd6 22. dxe5+ Kc5 23. Rxf8 Rxf8 24. Bd3 Kd4
25. Rxh7 Bxg2 26. Rxh6 Kxe5 {Bernasek,J (2476)-Votava,J (2538) Kouty nad
Desnou 2012 1/2-1/2 (46)}) 12... bxc6 13. h4 Rab8 14. Rh3 c5 15. Qg5 cxd4 16.
Qxf6 Nxf6 17. Rxd4 Rb7 18. Rb3 Rxb3 19. axb3 Ra8 20. Rc4 Ne8 21. Ra4 Nd6 22. g3
Kf8 23. Bg2 Rc8 24. Rxa7 Ke7 25. Kd2 h6 26. c4 g5 27. hxg5 hxg5 28. Kc3 Kd7 29.
b4 Rh8 30. b5 Rh2 31. Bc6+ Kd8 1-0

[Event "World Championship 26th"]
[Site "Moscow"]
[Date "1966.06.08"]
[Round "24"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris V"]
[Result "1/2-1/2"]
[ECO "E61"]
[PlyCount "153"]
[EventDate "1966.04.11"]
[EventRounds "24"]
[EventCountry "RUS"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. e3 Nbd7 7. Nge2 a6 8. b3
Rb8 9. a4 a5 10. Ba3 c6 $146 ({RR} 10... e5 11. Ra2 Re8 12. Rd2 exd4 13. Nxd4
Qe7 14. O-O h5 15. h3 Nc5 16. Bxc5 dxc5 17. Ndb5 c6 18. Nd6 Rd8 19. Ne2 Be6 20.
e4 Rd7 21. e5 Ne8 22. Nxe8 Rxd2 23. Qxd2 Bxe5 24. f4 Rd8 25. Qxa5 {Stanec,N
(2480)-Roeder,M (2460) Velden 1995 1/2-1/2}) 11. O-O Qc7 12. Qd2 Re8 13. Rac1
Ra8 14. Rfd1 Nb8 15. h3 Na6 16. Kh2 h5 17. f4 Nb4 18. Rf1 e5 19. fxe5 dxe5 20.
d5 Rd8 21. e4 Nd7 22. Rb1 Nc5 23. Na2 Nba6 24. Qe3 Qb6 25. Nec1 Qa7 26. Nd3
Nxd3 27. Qxd3 Re8 28. Rb2 Nc5 29. Qe3 Nd7 30. Qc1 Qb6 31. Rbf2 f6 32. Rf3 Qd8
33. Nc3 Nf8 34. Qc2 Nh7 35. Rd3 Qc7 36. Qe2 Bh6 37. h4 Bf8 38. d6 Qf7 39. Bh3
Bxh3 40. Kxh3 Red8 41. c5 Qe6+ 42. Kg2 Bh6 43. Nd1 Nf8 44. Nb2 Nd7 45. Rdf3 Qg4
46. Qc4+ Kg7 47. Nd3 Re8 48. Rb1 Qe6 49. Qxe6 Rxe6 50. b4 axb4 51. Rxb4 Ra7 52.
Rb2 Re8 53. Rf1 Kf7 54. a5 Ke6 55. Bb4 Be3 56. Re2 Bd4 57. Kh3 Rf8 58. Rc1 Raa8
59. Kg2 Rg8 60. Ne1 g5 61. Nf3 gxh4 62. Nxh4 Rg4 63. Nf5 Rag8 64. Kh3 R8g5 65.
Rb1 Rxe4 66. Rxe4 Rxf5 67. Re2 Rf3 68. Kg2 Rd3 69. Rd2 Re3 70. Ra2 f5 71. Be1
Nxc5 72. Bf2 Rb3 73. Rxb3 Nxb3 74. Ra3 Nc5 75. Bxd4 exd4 76. Rf3 d3 77. Kf2
1/2-1/2