[Event "Amsterdam Interzonal"]
[Site "Amsterdam"]
[Date "1964.06.21"]
[Round "23"]
[White "Tal, Mihail"]
[Black "Tringov, Georgi P"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "33"]
[EventDate "1964.05.20"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "NED"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 c6 5. Bg5 Qb6 6. Qd2 Qxb2 7. Rb1 Qa3 8. Bc4
Qa5 9. O-O e6 10. Rfe1 a6 11. Bf4 e5 12. dxe5 dxe5 13. Qd6 Qxc3 (13... exf4 14.
Nd5 Nd7 (14... cxd5 15. exd5+ Be6 16. dxe6 f6 17. Rxb7 Bf8 18. Qd7+ Nxd7 19.
exd7+ Kd8 20. Re8#) 15. Ng5 Ne5 16. Nc7+ Qxc7 17. Qxc7) 14. Red1 Nd7 (14...
Qxc4 15. Qd8#) (14... Bd7 15. Rxb7 Qxc4 16. Rxb8+ Rxb8 17. Qxb8+ Ke7 18. Qd6+
Ke8 19. Qxd7+ Kf8 20. Qd8#) 15. Bxf7+ Kxf7 16. Ng5+ Ke8 17. Qe6+ {Schwarz gab
auf wegen 17... Kd8 18.Sf7 Kc7 19.Dd6 matt} 1-0

[Event "Candidates Tournament"]
[Site "Zuerich"]
[Date "1953.09.23"]
[Round "14"]
[White "Averbakh, Yuri L"]
[Black "Kotov, Alexander"]
[Result "0-1"]
[ECO "A55"]
[PlyCount "102"]
[EventDate "1953.08.30"]
[EventType "tourn"]
[EventRounds "30"]
[EventCountry "SUI"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 e5 5. e4 Be7 6. Be2 O-O 7. O-O c6 8. Qc2
Re8 9. Rd1 Bf8 10. Rb1 a5 11. d5 Nc5 12. Be3 Qc7 13. h3 Bd7 14. Rbc1 g6 15. Nd2
Rab8 16. Nb3 Nxb3 17. Qxb3 c5 18. Kh2 Kh8 19. Qc2 Ng8 20. Bg4 Nh6 21. Bxd7 Qxd7
22. Qd2 Ng8 23. g4 f5 24. f3 Be7 25. Rg1 Rf8 26. Rcf1 Rf7 27. gxf5 gxf5 28. Rg2
f4 29. Bf2 Rf6 30. Ne2 Qxh3+ 31. Kxh3 ({Weiss hat keine Wahl und muss nehmen} 
31. Kg1 Rh6 32. Bg3 fxg3 33. Nxg3 Rf8) 31... Rh6+ 32. Kg4 Nf6+ 33. Kf5 (33. Kg5
Rh5#) 33... Nd7 (33... Ng4 34. Nxf4 (34. Rxg4 Rf8#) (34. Kxg4 Rg8+ 35. Kf5 Rf6#
) 34... Rg8 35. Nh5 Rhg6 {droht Tf8} 36. Qg5 Bxg5 37. Kxg4 Bf4+ 38. Kh3 Rxg2)
34. Rg5 Rf8+ 35. Kg4 Nf6+ 36. Kf5 Ng8+ 37. Kg4 Nf6+ (37... Bxg5 {ginge schon
sofort} 38. Rh1 (38. Qe1 Nf6+ 39. Kxg5 (39. Kf5 Ng4+ 40. Kxg4 Rg8 41. Rh1 Be7+
42. Kf5 Rf6#) 39... Rh5#) 38... Rxh1 39. Kxg5 h6+ 40. Kg4 Ne7 41. Bh4 Rg8+ 42.
Kh5 Kh7) 38. Kf5 Nxd5+ 39. Kg4 Nf6+ 40. Kf5 Ng8+ 41. Kg4 Nf6+ 42. Kf5 Ng8+ 43.
Kg4 Bxg5 44. Kxg5 Rf7 45. Bh4 Rg6+ 46. Kh5 Rfg7 47. Bg5 Rxg5+ 48. Kh4 Nf6 49.
Ng3 Rxg3 50. Qxd6 R3g6 51. Qb8+ Rg8 0-1

[Event "Candidates Tournament"]
[Site "Zuerich"]
[Date "1953.09.23"]
[Round "14"]
[White "Averbakh, Yuri L"]
[Black "Kotov, Alexander"]
[Result "0-1"]
[ECO "A55"]
[PlyCount "102"]
[EventDate "1953.08.30"]
[EventType "tourn"]
[EventRounds "30"]
[EventCountry "SUI"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 e5 5. e4 Be7 6. Be2 O-O 7. O-O c6 8. Qc2
Re8 9. Rd1 Bf8 10. Rb1 a5 11. d5 Nc5 12. Be3 Qc7 13. h3 Bd7 14. Rbc1 g6 15. Nd2
Rab8 16. Nb3 Nxb3 17. Qxb3 c5 18. Kh2 Kh8 19. Qc2 Ng8 20. Bg4 Nh6 21. Bxd7 Qxd7
22. Qd2 Ng8 23. g4 f5 24. f3 Be7 25. Rg1 Rf8 26. Rcf1 Rf7 27. gxf5 gxf5 28. Rg2
f4 29. Bf2 Rf6 30. Ne2 Qxh3+ 31. Kxh3 ({Weiss hat keine Wahl} 31. Kg1 Rh6 32.
Bg3 fxg3 33. Nxg3 Rf8) 31... Rh6+ 32. Kg4 Nf6+ 33. Kf5 (33. Kg5 Rh5#) 33... Nd7
{droht 34... Tf8 35. Kg4 Tg8 36. Kf5 Tf6 mit Matt} (33... Ng4 34. Nxf4 (34.
Rxg4 Rf8#) (34. Kxg4 Rg8+ 35. Kf5 Rf6#) 34... Rg8 35. Nh5 Rhg6 {droht Tf8} 36.
Qg5 Bxg5 37. Kxg4 Bf4+ 38. Kh3 Rxg2) 34. Rg5 Rf8+ 35. Kg4 Nf6+ 36. Kf5 Ng8+ 37.
Kg4 Nf6+ (37... Bxg5 {ginge schon sofort} 38. Rh1 (38. Qe1 Nf6+ 39. Kxg5 (39.
Kf5 Ng4+ 40. Kxg4 Rg8 41. Rh1 Be7+ 42. Kf5 Rf6#) 39... Rh5#) 38... Rxh1 39.
Kxg5 h6+ 40. Kg4 Ne7 41. Bh4 Rg8+ 42. Kh5 Kh7) 38. Kf5 Nxd5+ 39. Kg4 Nf6+ 40.
Kf5 Ng8+ 41. Kg4 Nf6+ 42. Kf5 Ng8+ 43. Kg4 Bxg5 44. Kxg5 Rf7 45. Bh4 Rg6+ 46.
Kh5 Rfg7 47. Bg5 Rxg5+ 48. Kh4 Nf6 49. Ng3 Rxg3 50. Qxd6 R3g6 51. Qb8+ Rg8 0-1

[Event "Candidates Tournament"]
[Site "Zuerich"]
[Date "1953.09.23"]
[Round "14"]
[White "Averbakh, Yuri L"]
[Black "Kotov, Alexander"]
[Result "0-1"]
[ECO "A55"]
[PlyCount "102"]
[EventDate "1953.08.30"]
[EventType "tourn"]
[EventRounds "30"]
[EventCountry "SUI"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 e5 5. e4 Be7 6. Be2 O-O 7. O-O c6 8. Qc2
Re8 9. Rd1 Bf8 10. Rb1 a5 11. d5 Nc5 12. Be3 Qc7 13. h3 Bd7 14. Rbc1 g6 15. Nd2
Rab8 16. Nb3 Nxb3 17. Qxb3 c5 18. Kh2 Kh8 19. Qc2 Ng8 20. Bg4 Nh6 21. Bxd7 Qxd7
22. Qd2 Ng8 23. g4 f5 24. f3 Be7 25. Rg1 Rf8 26. Rcf1 Rf7 27. gxf5 gxf5 28. Rg2
f4 29. Bf2 Rf6 30. Ne2 Qxh3+ 31. Kxh3 ({Weiss hat keine Wahl} 31. Kg1 Rh6 32.
Bg3 fxg3 33. Nxg3 Rf8) 31... Rh6+ 32. Kg4 Nf6+ 33. Kf5 (33. Kg5 Rh5#) 33... Nd7
{droht 34... Tf8 35. Kg4 Tg8 36. Kf5 Tf6 mit Matt} (33... Ng4 34. Nxf4 (34.
Rxg4 Rf8#) (34. Kxg4 Rg8+ 35. Kf5 Rf6#) 34... Rg8 35. Nh5 Rhg6 {droht Tf8} 36.
Qg5 Bxg5 37. Kxg4 Bf4+ 38. Kh3 Rxg2) 34. Rg5 Rf8+ 35. Kg4 Nf6+ 36. Kf5 Ng8+ 37.
Kg4 Nf6+ (37... Bxg5 {ginge schon sofort} 38. Rh1 (38. Qe1 Nf6+ 39. Kxg5 (39.
Kf5 Ng4+ 40. Kxg4 Rg8 41. Rh1 Be7+ 42. Kf5 Rf6#) 39... Rh5#) 38... Rxh1 39.
Kxg5 h6+ 40. Kg4 Ne7 41. Bh4 Rg8+ 42. Kh5 Kh7) 38. Kf5 Nxd5+ 39. Kg4 Nf6+ 40.
Kf5 Ng8+ 41. Kg4 Nf6+ 42. Kf5 Ng8+ 43. Kg4 Bxg5 44. Kxg5 Rf7 45. Bh4 Rg6+ 46.
Kh5 Rfg7 47. Bg5 Rxg5+ 48. Kh4 Nf6 49. Ng3 Rxg3 50. Qxd6 R3g6 51. Qb8+ Rg8 0-1