[Event "World Championship 19th"]
[Site "Moscow"]
[Date "1951.04.08"]
[Round "11"]
[White "Botvinnik, Mikhail"]
[Black "Bronstein, David I"]
[Result "0-1"]
[ECO "E17"]
[PlyCount "78"]
[EventDate "1951.03.16"]
[EventRounds "24"]
[EventCountry "URS"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3 d5 8. cxd5
exd5 (8... Nxd5 9. Bb2 Nd7 10. Nbd2 N5f6 11. Qc2 Rc8 12. Rac1 c5 13. Qb1 Rc7
14. dxc5 Rxc5 15. Rxc5 Bxc5 16. b4 Be7 17. a3 Qa8 18. Rc1 Rd8 19. Ne1 Bxg2 20.
Nxg2 a5 21. Nf3 axb4 22. axb4 h6 23. Ne3 Rc8 24. b5 Rxc1+ 25. Qxc1 Bc5 26. Bd4
Qa2 27. Qc4 Qb1+ 28. Kg2 Ne4 29. Qc2 Qxc2 30. Nxc2 f6 31. Bxc5 bxc5 32. Na3 Kf7
33. Kf1 e5 34. Ke1 Ke6 35. Nd2 Nc3 36. e4 Nb6 37. f3 c4 38. h4 h5 39. g4 g6 40.
gxh5 gxh5 41. Nf1 f5 42. Kd2 Nca4 43. Ng3 f4 44. Nf5 Kd7 45. Ng7 Ke7 46. Kc2
Kf7 47. Nf5 Ke6 48. Nb1 Nc8 49. Nc3 Nxc3 50. Kxc3 Nb6 51. Kb4 Kd7 52. Ng7 Ke7
53. Nf5+ Kd7 54. Kc3 Ke6 55. Ng7+ Kf7 56. Nf5 Ke6 57. Kd2 Na4 {1/2-1/2 (57)
Nakamura,H (2760)-Aronian,L (2815) Beijing 2012}) 9. Bb2 Nbd7 10. Nc3 Re8 11.
Ne5 (11. Rc1 Nf8 12. Qc2 Ne6 13. Rfd1 a6 14. Ne5 Bd6 15. e3 Rc8 16. Qb1 Qe7 17.
Nc4 Bb4 18. Ne2 Ng5 19. a3 dxc4 20. Bxb7 Nh3+ 21. Kg2 Nxf2 22. axb4 Nxd1 23.
Rxd1 Ng4 24. Bc1 Nxe3+ 25. Bxe3 Qxe3 26. Nf4 Rcd8 27. Bd5 Qxb3 28. Qxb3 cxb3
29. Kf3 b2 30. Rb1 Rd6 31. Rxb2 c6 32. Be4 g5 33. Nh5 g4+ 34. Kf4 Rh6 35. Ra2
Rxh5 36. Bxc6 Re6 37. d5 Reh6 38. Rxa6 Rxh2 39. Rxb6 Kg7 40. Ra6 Re2 41. b5
Rf6+ 42. Kxg4 h5+ 43. Kh4 Rh2+ 44. Kg5 h4 45. g4 h3 46. Ra3 Re2 47. d6 h2 48.
Rd3 Ree6 49. Rd2 Rh6 50. d7 Rxc6 51. bxc6 h1=Q 52. d8=Q Qf3 53. Rd6 f6+ {0-1 
(53) Zeng,C (2541)-Wang,H (2713) China 2015}) 11... Bf8 (11... Bd6 12. Nd3 a5
13. Rc1 c6 14. Na4 Rc8 15. e3 Ba6 16. Re1 h5 17. Bh3 Ng4 18. Nf4 g6 19. Bxg4
hxg4 20. Qxg4 Nf6 21. Qg5 Be7 22. Nxg6 fxg6 23. Qxg6+ Kh8 24. Nc5 bxc5 25. dxc5
Rf8 26. Qh6+ Kg8 27. Qg6+ Kh8 28. Qh6+ Kg8 {1/2-1/2 (30) Giri,A (2793)
-Karjakin,S (2760) Moscow 2016}) 12. Rc1 (12. f4 c5 13. e3 cxd4 14. exd4 Ne4
15. Nxe4 dxe4 16. Qe2 Nf6 17. g4 a5 18. g5 Ba6 19. Qe3 Bxf1 20. Rxf1 Nd7 21.
Bxe4 Nxe5 22. fxe5 Rc8 23. Bd3 Re7 24. Qe4 g6 25. h4 Bg7 26. a4 Qd7 27. Ba3 Re6
28. Bb5 Qd8 29. Bc4 Qd7 30. Rf3 Rd8 31. Bxe6 fxe6 32. Bd6 Bf8 33. Bxf8 Rxf8 34.
Rxf8+ Kxf8 35. Kf2 Qd5 36. Qe3 Ke8 37. Qd3 Kd8 38. Qc4 Kd7 39. Qb5+ Kc7 40.
Qc4+ Kd7 41. Qxd5+ exd5 42. Kf3 Ke6 43. Kg4 Ke7 44. Kf4 Ke6 45. Kg4 Ke7 46. Kf4
{1/2-1/2 (48) Anton Guijarro,D (2639)-Harikrishna,P (2755) Gibraltar 2016})
12... Nxe5 13. dxe5 Rxe5 14. Nb5 Re7 15. Bxf6 gxf6 16. e4 (16. e3) 16... dxe4
17. Qg4+ Bg7 18. Rfd1 Qf8 19. Nd4 (19. Rxc7 Rxc7 20. Nxc7 Rd8) (19. Nxc7 Rd8
20. Nb5) 19... Bc8 20. Qh4 (20. Nf5 Bxf5 21. Qxf5 Re5 22. Qf4 Qe7) 20... f5 21.
Nc6 Re8 22. Bh3 (22. Rc2 Bh6 23. Qh5) 22... Bh6 23. Rc2 e3 24. fxe3 Bxe3+ 25.
Kh1 Be6 26. Bg2 a5 27. Bf3 (27. Rc3) 27... Kh8 28. Nd4 Rad8 29. Rxc7 Bd5 30.
Re1 $4 (30. Rf1 Qd6 31. Bxd5 (31. Rc2 f4 32. Bxd5 Qxd5+ 33. Nf3 Rd6 34. Rc4 (
34. gxf4 Qd3) 34... Rg6) 31... Qxd5+ (31... Qxc7 32. Qf6+ Kg8 33. Nxf5) 32. Nf3
Kg8 $17) 30... Qd6 (30... Bxd4 31. Qxd4+ Kg8 32. Bxd5 Rxe1+ 33. Kg2 Re6 34. Qc4
Rf6) 31. Rc2 Re4 (31... Re5) (31... Be4) 32. Bxe4 Bxe4+ 33. Qxe4 fxe4 34. Nf5
Qb4 35. Rxe3 Rd1+ 36. Kg2 Rd2+ 37. Rxd2 Qxd2+ 38. Kh3 Qf2 39. Kg4 f6 0-1

[Event "World Championship 19th"]
[Site "Moscow"]
[Date "1951.04.22"]
[Round "17"]
[White "Botvinnik, Mikhail"]
[Black "Bronstein, David I"]
[Result "0-1"]
[ECO "E45"]
[PlyCount "70"]
[EventDate "1951.03.16"]
[EventRounds "24"]
[EventCountry "URS"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6 6. a3 Be7 7. Ng3 d5 8. cxd5
Bxf1 9. Nxf1 exd5 10. Ng3 Qd7 11. Qf3 Nc6 12. O-O g6 13. Bd2 O-O 14. Nce2 h5
15. Rfc1 h4 16. Nf1 Ne4 17. Nf4 a5 18. Rc2 Bd8 19. Be1 Ne7 20. Qe2 Nd6 21. f3
g5 22. Nd3 Qe6 23. a4 Ng6 24. h3 f5 25. Bc3 Bf6 26. Re1 Rae8 27. Qd1 Rf7 28. b3
Rfe7 29. Bb2 f4 30. Ne5 (30. Nf2) 30... Bxe5 31. dxe5 Nf7 32. exf4 Nxf4 33. Nh2
c5 34. Ng4 d4 35. Nf6+ Qxf6 0-1

[Event "World Championship 19th"]
[Site "Moscow"]
[Date "1951.05.04"]
[Round "21"]
[White "Botvinnik, Mikhail"]
[Black "Bronstein, David I"]
[Result "0-1"]
[ECO "E69"]
[PlyCount "128"]
[EventDate "1951.03.16"]
[EventType "match"]
[EventRounds "24"]
[EventCountry "URS"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. g3 g6 6. Bg2 Bg7 7. O-O O-O 8. e4
c6 9. h3 Nh5 10. Be3 Qe7 11. Nh2 Kh8 12. Re1 a6 13. a3 Rb8 14. Bf1 Nhf6 15. Qd2
b5 16. cxb5 axb5 17. Rad1 Nb6 18. Bh6 Bxh6 19. Qxh6 Be6 20. Nf3 Bb3 21. Rd2
Nfd7 22. Qe3 Bc4 23. Bg2 f6 24. Rc2 Bb3 25. Rce2 Nc4 26. Qd3 Na5 27. Rd2 Nb6
28. Qb1 Nbc4 29. Rde2 b4 30. axb4 Rxb4 31. h4 Nb6 32. Na2 Bxa2 33. Qxa2 Nbc4
34. h5 Rfb8 35. hxg6 hxg6 36. Qb1 Kg7 37. dxe5 fxe5 38. Qc1 Nxb2 39. Qc3 Na4
40. Qc1 Rc4 41. Qg5 Qxg5 42. Nxg5 Nb3 43. f4 Nd4 44. Ra2 Rb2 45. Rxb2 Nxb2 46.
Kh2 Nd3 47. Re3 Rc3 48. Bf1 Rc2+ 49. Kh3 Nf2+ 50. Kh4 Rc1 51. Bg2 Rg1 52. Bh3
Rh1 53. fxe5 dxe5 54. Ra3 Kf6 55. Nh7+ Ke7 56. Ng5 Kd6 57. Nf7+ Ke7 58. Kg5
Kxf7 59. Ra7+ Ke8 60. Bd7+ Kd8 61. Kxg6 Nxe4 62. g4 Rf1 63. Bf5 Nxf5 64. gxf5
Ke8 0-1

[Event "World Championship 19th"]
[Site "Moscow"]
[Date "1951.05.06"]
[Round "22"]
[White "Bronstein, David I"]
[Black "Botvinnik, Mikhail"]
[Result "1-0"]
[ECO "A91"]
[PlyCount "75"]
[EventDate "1951.03.16"]
[EventRounds "24"]
[EventCountry "URS"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nc3 O-O 6. e3 d5 7. Nge2 c6 8. b3 Ne4
(8... b6) 9. O-O Nd7 (9... b6) 10. Bb2 Ndf6 11. Qd3 g5 12. cxd5 exd5 13. f3 (
13. Nd1) 13... Nxc3 14. Bxc3 g4 15. fxg4 Nxg4 (15... fxg4 16. Nf4) 16. Bh3 Nh6
(16... Qe8) (16... Nf6 17. Bxf5) 17. Nf4 Bd6 18. b4 a6 19. a4 Qe7 20. Rab1 b5 (
20... Ng4) 21. Bg2 Ng4 22. Bd2 Nf6 23. Rb2 Bd7 24. Ra1 Ne4 25. Be1 Rfe8 26. Qb3
Kh8 (26... bxa4 27. Rxa4 Nf6 28. Ra3 Ng4) 27. Rba2 Qf8 (27... Bxf4 28. exf4 Qf6
) 28. Nd3 Rab8 (28... Qh6 29. Ne5 (29. Nc5)) 29. axb5 axb5 30. Ra7 Re7 31. Ne5
Be8 (31... Qg7) 32. g4 fxg4 (32... Qg7 33. Rxe7 Qxe7 34. gxf5 Qg5 35. Ra2 Rb7
36. Ra8 Rb8) 33. Bxe4 dxe4 34. Bh4 Rxe5 (34... Rg7 35. Qe6) (34... Rxa7 35.
Rxa7) 35. dxe5 Bxe5 36. Rf1 Qg8 37. Bg3 Bg7 38. Qxg8+ 1-0

[Event "Gothenburg Interzonal"]
[Site "Gothenburg"]
[Date "1955.08.25"]
[Round "7"]
[White "Bronstein, David I"]
[Black "Keres, Paul"]
[Result "1-0"]
[ECO "E41"]
[PlyCount "77"]
[EventDate "1955.09.15"]
[EventRounds "21"]
[EventCountry "SWE"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 b6 6. Nge2 Bb7 7. O-O cxd4 8.
exd4 O-O 9. d5 h6 (9... Na6 10. Bg5 h6 11. Bh4 Be7 12. Bg3 exd5 13. cxd5 Re8
14. a3 Nc5 15. Bc2 Bf8 16. f3 Ba6 17. Re1 Rc8 18. b4 Bxe2 19. Nxe2 Nb7 20. Bb3
Bd6 21. Bf2 Be5 22. Rc1 Rxc1 23. Qxc1 Qb8 24. g3 Rc8 25. Qd2 Nd6 26. Qd3 b5 27.
f4 Bb2 28. Rb1 Bxa3 29. Ba2 Nde4 30. Bd4 Bxb4 31. Rxb4 a6 32. Rb1 Qd6 33. Kg2
Re8 34. Ng1 Qc7 35. Nf3 Nd6 36. Bb3 Nfe4 37. Re1 f5 38. Ne5 Kh7 39. h3 Qa5 40.
Re2 Qa3 41. g4 Rc8 42. gxf5 Qc1 43. f6 Qxf4 44. fxg7 Rg8 45. Ng4 Kg6 46. Bc2 h5
47. Rxe4 Nxe4 48. Qxe4+ Qxe4+ 49. Bxe4+ Kf7 50. Nh6+ {1-0 (50) Milanovic,D 
(2469)-Akopian,V (2648) Berlin 2015}) 10. Bc2 Na6 (10... Qc7) 11. Nb5 exd5 12.
a3 Be7 13. Ng3 dxc4 14. Bxh6 gxh6 (14... Re8 15. Bxg7 Kxg7 16. Nf5+ Kf8 17. Qd4
) 15. Qd2 Nh7 (15... Nc5 16. Qxh6 Be4) (15... Re8 16. Qxh6 Bf8 17. Qg5+ Bg7 (
17... Kh8 18. Nd6 Bxd6) 18. Nf5) 16. Qxh6 f5 17. Nxf5 Rxf5 (17... Bf6) 18. Bxf5
Nf8 19. Rad1 Bg5 20. Qh5 Qf6 21. Nd6 Bc6 22. Qg4 Kh8 23. Be4 (23. Rfe1 Nc5 24.
Nxc4) 23... Bh6 24. Bxc6 dxc6 25. Qxc4 Nc5 26. b4 Nce6 27. Qxc6 Rb8 28. Ne4 Qg6
29. Rd6 Bg7 30. f4 Qg4 31. h3 Qe2 32. Ng3 Qe3+ 33. Kh2 Nd4 34. Qd5 Re8 35. Nh5
Ne2 36. Nxg7 Qg3+ 37. Kh1 Nxf4 38. Qf3 Ne2 39. Rh6+ 1-0

[Event "Gothenburg Interzonal"]
[Site "Gothenburg"]
[Date "1955.09.09"]
[Round "15"]
[White "Bisguier, Arthur Bernard"]
[Black "Bronstein, David I"]
[Result "0-1"]
[ECO "A82"]
[PlyCount "62"]
[EventDate "1955.09.15"]
[EventRounds "21"]
[EventCountry "SWE"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 f5 2. e4 fxe4 3. Nd2 Nf6 4. g4 d5 5. g5 Nfd7 6. f3 e5 7. fxe4 Qxg5 8.
Ngf3 Qh5 (8... Qe7) 9. exd5 Bd6 10. Ne4 O-O 11. Bg2 Qg4 12. Qe2 Bb4+ 13. c3
exd4 14. Nxd4 (14. cxb4 d3 15. h3 Qg6 16. Nh4) 14... Qh4+ 15. Kd1 Be7 16. Ng3 (
16. Ne6 Ne5 17. Bg5) 16... Nc5 17. Nf3 Qa4+ 18. b3 (18. Qc2 Qg4 19. Qe2 Bd6)
18... Qd7 (18... Nxb3 19. axb3 Qxa1 20. Qxe7 Qxc3 21. Ba3) 19. Kc2 Bf6 20. Ba3
Nba6 21. Nd4 Qf7 22. Ne4 (22. Rad1) 22... Re8 (22... Bxd4 23. cxd4 Nxe4 24.
Bxf8 Bf5 25. Bxe4 Re8) 23. Rhf1 (23. Bxc5 Nxc5 24. Nxf6+ gxf6 25. Qf1) 23...
Qg6 24. Rae1 Bh3 25. Rxf6 Qxg2 26. Rf4 Rxe4 27. Rxe4 Nxe4 28. Qxg2 Bxg2 29. Re2
Bh1 30. Re1 Nf2 31. Ne6 Bxd5 0-1

[Event "Gothenburg Interzonal"]
[Site "Gothenburg"]
[Date "1955.09.28"]
[Round "9"]
[White "Bronstein, David I"]
[Black "Geller, Efim P"]
[Result "1-0"]
[ECO "B31"]
[PlyCount "45"]
[EventDate "1955.09.15"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "SWE"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 Qb6 6. a4 cxd4 7. O-O a6 8. Bxc6
Qxc6 9. cxd4 Qxe4 10. Nc3 Qf5 11. Re1 d5 12. a5 Bd7 13. Qb3 Nf6 14. Re5 Qd3 15.
Rxe7+ Kxe7 16. Nxd5+ Nxd5 17. Qxd3 f6 18. Bd2 Kf7 19. Qb3 Bc6 20. Ne1 Rhe8 21.
Nd3 Re6 22. Rc1 Bf8 23. Rxc6 1-0

[Event "Candidates Tournament"]
[Site "Amsterdam"]
[Date "1956.03.28"]
[Round "2"]
[White "Petrosian, Tigran V"]
[Black "Bronstein, David I"]
[Result "0-1"]
[ECO "E65"]
[Annotator "ChessBase"]
[PlyCount "72"]
[EventDate "1956.03.27"]
[EventType "tourn"]
[EventRounds "18"]
[EventCountry "NED"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 c5 6. O-O Nc6 7. d4 d6 8. dxc5
dxc5 9. Be3 Nd7 {This move rightly has a bad reputation.} (9... Qa5 {was
better.}) 10. Qc1 Nd4 $2 {After the obvious reply Black is practically forced
to play ... e5, which creates weaknesses on the d-file.} 11. Rd1 e5 12. Bh6 {
White's plan is simple; he wishes, after exchanging the dark-square-bishops,
to drive away the knight from d4, and then to intensify the pressure on the
opponent's position.} Qa5 {Threatening 13...Qxc3.} 13. Bxg7 Kxg7 14. Kh1 Rb8 {
Black has a difficult position, since it is not apparent how he can develop
his queenside. On} (14... Nxf3 {White can play} 15. Bxf3 Nf6 16. Qg5 {or 15.
exf3 followed by 16.f4.}) 15. Nd2 a6 16. e3 Ne6 17. a4 h5 18. h4 f5 19. Nd5 Kh7
20. b3 (20. b4 cxb4 21. Qb2 {was also possible, but White did not want to
allow his opponent the c5 sqare.}) 20... Rf7 21. Nf3 Qd8 22. Qc3 Qh8 {Black
defends tenaciously.} (22... e4 {was weaker because of} 23. Ne5 {Having
defended his e5 sqare, Black is now ready to play ... e4, which would greatly
improve his position.}) 23. e4 $1 {[#] Now the game is opened up, and all the
drawbacks of Black's position are clearly revealed. It is not apparent what he
can do against the threat of 24. exf5 or 24.Re1 followed by 25.exf5.} fxe4 {On}
(23... f4 {White gains advantage by} 24. Ng5+ Nxg5 25. hxg5 fxg3 26. fxg3) 24.
Nd2 Qg7 {Capturing the f2 pawn would have allowed White to create direct
threats after 25.Rf1.} (24... Rxf2 25. Rf1 $40) 25. Nxe4 Kh8 26. Rd2 Rf8 27. a5
Nd4 28. b4 cxb4 29. Qxb4 Nf5 30. Rad1 Nd4 {Black has no useful moves, und
White, without harrying, selects a target against which to strike the decisive
blow.} 31. Re1 Nc6 32. Qa3 Nd4 33. Rb2 Nc6 34. Reb1 Nd4 35. Qd6 Nf5 36. Ng5 $4
{This move does not require any commentary. A comic aspect of the blunder is
that White leaves his queen en prise to the opponent's only active piece.} Nxd6
0-1

[Event "URS-ch32"]
[Site "Kiev"]
[Date "1964.??.??"]
[Round "?"]
[White "Tal, Mihail"]
[Black "Bronstein, David I"]
[Result "0-1"]
[ECO "C18"]
[Annotator "Ftacnik,L"]
[PlyCount "84"]
[EventDate "1964.12.26"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 cxd4 8.
Bd3 $1 Qa5 $1 9. Ne2 Ng6 10. h4 $6 (10. Bd2 $5 dxc3 (10... Nxe5 $2 11. Qxg7
Nxd3+ 12. cxd3 Rf8 13. cxd4 Qd8 14. Bb4 Nd7 15. Bxf8 $16) 11. Bxc3 $44 {(Keres)
} Qc7 (11... Qb6 12. Bd4) 12. O-O Nc6 13. f4 Bd7 14. Ng3) (10. O-O $142 dxc3
11. h4 (11. f4 Nc6 12. Rb1) 11... Nc6 12. f4 (12. h5 $6 Ncxe5 $1 13. Qg3 Nxd3
14. cxd3 Bd7 $1 (14... Ne7 $142 15. Qxg7 Rg8 16. Qxh7 e5) 15. hxg6 hxg6 $15 16.
Bf4 $132) 12... h5 13. Qg3 Nce7 14. Nd4 $44 Bd7) (10. f4) 10... Nc6 11. h5
Ncxe5 $132 12. Qxd4 $6 (12. Qg3 Nxd3+ 13. cxd3 Ne7 14. Qxg7 Rg8 15. Qxh7 $6 (
15. Qxd4 Bd7 16. Kf1 Nf5 $17) 15... e5 $1 16. h6 $2 Bf5 17. Qxg8+ Nxg8 18. h7
Bxh7 19. Rxh7 dxc3 {Bronstein}) 12... Nxd3+ 13. cxd3 e5 $17 {Keres} 14. Qe3 d4
15. Qg3 Ne7 16. Qxg7 Rg8 17. Qf6 (17. Qxh7 Be6 18. h6 Rc8 $2 19. Qxg8+ Nxg8 20.
h7 $18 {Vainstein}) 17... dxc3 {"Der Bauerngewinn ist in dieser Stellung
unwesentlich, jedoch versperrt der  Bc3 die c-Linie und schrankt die
Entwicklungsmoglichkeit del Lc1 ein." (Slotnik 82)} (17... Rxg2 $2 18. Bg5 $1
Ng8 19. Qg7 $16 {(Bronstein)}) 18. O-O Qc7 19. d4 $1 {"Brilliantly played. 
After the exchange of the last central pawns, the black king will be stripped
naked, and his life now is not valued very highly." (Vainstein 76)} (19. Ng3
Nd5 $1 $17 {(Bronstein)}) 19... Bg4 20. f3 Nd5 21. Qh4 {For Tal, the exchange
of Queens was out of the question.} (21. Qxe5+ Qxe5 22. dxe5 Bxh5 $15 {
(Bronstein)}) 21... Be6 22. dxe5 Qxe5 23. Re1 Rc8 $1 {"Der Turm soll auf der
vierten Reihe vor allem die Felder d4 und f4 kontrollieren." (Bronstein)} 24.
Rb1 $1 (24. Nd4 Qg3 $1 25. Qxg3 Rxg3) (24. Nf4 Qd4+ 25. Kh1 Rc6 {(Vainstein 76)
}) 24... b6 25. Rb5 a6 26. Rb3 Qg7 $1 (26... Ne3 $2 27. Nf4 $1 $16 {(Bronstein)
}) (26... b5 $3 27. Nd4 Qg7 28. Re2 Rc4 29. Nxe6 fxe6 30. Rxe6+ Kd7 31. Qh3
Qxg2+ 32. Qxg2 Rxg2+ 33. Kxg2 Kxe6 $19 {(Vainstein 76)}) 27. Qf2 Rc4 28. h6 Qf6
$6 (28... Qg6 $1 $17 {(Bronstein)}) 29. Nxc3 $1 {"Mit diesem Springeropfer
versucht Tal neue Drohungen zu schaffen." (Slotnik 82)} Nxc3 30. Rxb6 {"Tal
has eliminated the c3 pawn and opened the maximum number of files and ranks,
but this would still be endurable, except that he has also opened the 
black-squared diagonals, and the black king has to fear for its life." (BSV)}
Qd8 $1 31. Rxa6 Rg6 {"Bronstein takes an heroic decision -- to transfer his
king to f6, closer to his pieces, so that they should be in direct contact
with the king, allowing it to exercise its right to self-defense." (Vainstein
76)} (31... Nd1 $2 32. Qe2 $1 Rxc1 33. Rxe6+ $1 Kd7 34. Re4 $1 $40 {(Bronstein)
}) 32. Qb2 Ke7 $1 {"Es klingt sicher seltsam, aber fur den Konig ist f6 das
sicherste Feld; dorthin strebt der schwarze Monarch!" (Bronstein)} 33. Ra7+ Kf6
34. Re4 $6 {"Eine entscheidende Verrechnung, die nur erklarlich ist durch die
vielen Varianten, die nachzuprufen waren. Nach 34 Le3! hatte Schwarz sehr
aufpassen mussen, um den zahlreichen weissen Kombinationen zu begegnen." 
(Bronstein)} (34. Be3 $142 $1 Qd3 {(Bronstein)} 35. Qb8 $1 Nd5 $1 (35... Rc8
36. Qf4+) (35... Ne2+ 36. Rxe2) 36. Qh8+ Kf5 {(Vainstein 76, Slotnik 82)})
34... Qd1+ $1 35. Kh2 Rxe4 36. Qxc3+ (36. fxe4 Qh5+ 37. Kg1 Qc5+ $19 {
(Bronstein)}) 36... Re5 $1 (36... Qd4 37. Qxd4+ Rxd4 38. Bb2 Rxh6+ 39. Kg1 Rhh4
40. Ra4 Ke5 41. g3) 37. Bf4 (37. Ra5 Qd6 (37... Qe2 $1) 38. Bf4 Bd5 39. Ra6 $1
Rxh6+ 40. Kg1 Qxa6 41. Qxe5+ Kg6 42. Qg5#) (37. f4 Rxh6+ $1 38. Kg3 Qg4+ 39.
Kf2 Qe2+ $19 {(Bronstein)}) 37... Qe2 $1 38. Bxe5+ Qxe5+ 39. Qxe5+ Kxe5 40.
Ra5+ Kd4 41. Rh5 Bd5 42. Kh3 f5 (42... f5 43. Kh2 Ke3 $1 44. Rxf5 Kf2 $1 {
(Bronstein)}) 0-1

[Event "Musco Mathematics Institute"]
[Site "?"]
[Date "1963.??.??"]
[Round "?"]
[White "Bronstein, D."]
[Black "M20 - computer"]
[Result "1-0"]
[ECO "C34"]
[PlyCount "45"]
[EventDate "1963.??.??"]

1. e4 e5 2. f4 exf4 3. Nf3 Nf6 4. e5 Ng4 5. d4 g5 6. Nc3 Ne3 7. Qe2 (7. Bxe3
fxe3 8. Bc4) 7... Nxf1 8. Ne4 Ne3 9. Nf6+ Ke7 10. Bd2 (10. Bxe3 fxe3 11. Qxe3)
10... Nxc2+ 11. Kf2 Nxa1 12. Nd5+ Ke6 (12... Ke8 13. Nf6+ Ke7) 13. Qc4 b5 14.
Nxg5+ Qxg5 (14... Kf5) 15. Nxc7+ Ke7 16. Nd5+ Ke6 17. Nxf4+ Ke7 18. Nd5+ Ke8
19. Qxc8+ Qd8 20. Nc7+ Ke7 21. Bb4+ d6 22. Bxd6+ Qxd6 23. Qe8# 1-0

