[Event "Moscow International-01"]
[Site "Moscow"]
[Date "1925.12.06"]
[Round "20"]
[White "Bogoljubow, Efim"]
[Black "Lasker, Emanuel"]
[Result "1/2-1/2"]
[ECO "D30"]
[Annotator "Tactical Analysis 4.1 (180s)"]
[PlyCount "104"]
[EventDate "1925.11.10"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
{[%evp 0,104,25,26,13,19,19,-10,46,6,22,29,24,15,25,18,35,28,69,44,52,30,54,47,
50,46,46,42,45,47,47,43,83,52,84,53,111,104,112,115,106,112,104,92,89,89,91,89,
96,107,99,101,90,71,87,93,96,78,98,93,82,78,72,78,80,73,79,67,67,66,66,70,62,
64,44,17,14,0,15,0,0,-4,-8,-51,18,15,7,0,15,-2,0,-1,0,-20,-21,0,0,0,0,-20,-17,
0,0,0,0,0,0]} {Analizada por "Stockfish 14" y repasada por "Dragon 2.5 by
Komodo Chess".} 1. d4 d5 2. Nf3 e6 3. c4 Nd7 4. Bg5 {[#]} (4. Nc3 c6 5. e4 dxe4
6. Nxe4 Ngf6 7. Bd3 Nxe4 8. Bxe4 Nf6 9. Bc2 Bb4+ 10. Bd2 Qa5 11. O-O Bxd2 12.
Nxd2 O-O 13. c5 b6 14. Nb3 Qb4 15. Qf3 Ba6 16. Rfd1 bxc5 17. dxc5 Rfd8 18. Qxc6
Bb7 19. Qc7 Nd5 20. Qe5 Nf4 21. Rxd8+ Rxd8 22. Rd1 Rxd1+ 23. Bxd1 f6 24. a3
fxe5 25. axb4 Bxg2 26. f3 e4 27. c6 exf3 28. c7 Nh3# {0-1 (28) Rubinstein,
A-Marshall,F Lodz Dreimeisterturnier 8R (6) 1908}) 4... Be7 $5 $146 (4... Ngf6
5. Nc3 c6 6. e3 Be7 7. Bd3 O-O 8. Rc1 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O
Nxc3 12. Rxc3 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. f4 Qe7 16. f5 Bd7 17. e4 Rad8
18. Qh5 Qxe4 19. Rg3 Qd4+ 20. Rf2 Bxf5 21. Qxf5 Qxc4 22. Rxg7+ Kxg7 23. Qf6+
Kg8 24. Qg5+ {½-½ (24) Rubinstein,A-Lasker,Em Berlin Exhibition 1924}) 5.
Bxe7 Nxe7 6. Nc3 {D30: Queen's Gambit Declined: Systems without Nc3.} (6. e3 {
Teoría.}) 6... O-O 7. e3 dxc4 (7... c6 {Teoría.}) 8. Bxc4 $14 {White has an
edge.} c5 9. O-O cxd4 10. Qxd4 Nb6 {[#] White must now prevent ...Qxd4.} 11.
Bb3 $6 (11. Qc5 $1 {looks sharper.} Nxc4 12. Rfd1 Bd7 13. Qxc4 Qe8 14. Ne5 Bc6
15. Qb4 Nd5 16. Nxd5 Bxd5 17. e4 $14) 11... Qxd4 12. Nxd4 Bd7 13. Rfd1 Rfd8 14.
Rd2 Bc6 15. Rad1 {[#]} Rac8 $2 (15... Be8 $1 {and Black is okay.} 16. Ndb5 Rxd2
17. Rxd2 $11) 16. e4 $2 (16. Nxe6 $1 Rxd2 17. Rxd2 Ned5 (17... fxe6 18. Bxe6+
Kf8 19. Bxc8 Nexc8 20. e4 Ke7 21. b3 $1 Nd6 22. f3 $1 $18) 18. Nd4 $18) 16...
Be8 $2 (16... e5 17. Nf3 (17. Nxc6 Nxc6 18. Rxd8+ Rxd8 19. Rxd8+ Nxd8 $11)
17... Rxd2 18. Rxd2 Nd7 $1 19. Ng5 Rf8 $11) 17. f3 $2 ({Only move:} 17. Nxe6 $1
Rxd2 18. Rxd2 Rxc3 19. bxc3 fxe6 20. Bxe6+ Kf8 21. c4 $1 Nc6 22. f4 $1 $18)
17... Nc6 $2 (17... Rb8 $1 18. g3 Ng6 19. Kf2 $14) 18. Nxe6 $1 $16 {[#]} fxe6
19. Bxe6+ {[%mdl 64] Double Attack} Kf8 20. Bxc8 Rxc8 21. Nb5 Nc4 22. Nd6 (22.
Re2 Nb4 23. Nc3 Nb6 24. Red2 $16) 22... Nxd6 23. Rxd6 Ne5 (23... Ke7 24. Kf2 a6
25. R6d5 Nd8 26. R1d3 $16) 24. Rd8 {[#]} Rc2 (24... Rc7 25. Ra8 a6 26. Rdd8 Re7
27. h4 $16) (24... Rxd8 25. Rxd8 Ke7 26. Rd5 Ke6 27. Kf2 Bc6 28. Rd2 $16 {
[#] y la clara ventaja no parece tanta (para el ojo humano), pero para los
módulos informáticos sí que lo es, como demuestra el siguiente ejemplo
práctico al nivel de 40 jugadas en 1 hora, ¡sin finish!:} a5 29. b3 a4 30.
bxa4 Bxa4 31. Rd8 Kf7 32. h4 Bc6 33. g4 h6 34. h5 Ke7 35. Ra8 Kf7 36. Ra7 Nc4
37. a4 Kf8 38. a5 $1 Kg8 39. Ke2 Kh8 40. a6 bxa6 41. Rxa6 Ne5 42. Kf2 Bd7 43.
Ra5 Nc6 44. Ra8+ Kh7 45. Kg3 Ne5 46. Ra7 Bc6 47. Rc7 Ba4 48. f4 $1 {[#] La
masa de peones prepondera convenientemente.} Nd7 49. g5 hxg5 50. fxg5 Kg8 51.
Ra7 Bb5 52. Kf4 Kh7 53. Ra8 g6 54. h6 $1 {[#] Un peón pasado tremendamente
incómodo...} Nc5 55. Ra7+ Kh8 56. Ra5 Ne6+ 57. Ke5 Bc4 58. Ra8+ Kh7 59. Ra7+
Kh8 60. Kf6 $1 {[#] Las blancas se han mostrado implacables.} Nf4 61. e5 $1 Bb3
62. Rd7 Ba2 63. Rd6 Nd5+ 64. Kxg6 $18 Ne7+ 65. Kf6 Ng8+ 66. Kf5 Bb1+ 67. Kf4
Ne7 68. Rd8+ Ng8 69. e6 $1 Kh7 70. e7 Nxe7 71. Rd7 {[#] Y se acabó. 1-0 (71)
Dragon 2.5 by Komodo Chess,6-Stockfish 14 Tenerife 2021}) 25. R8d2 (25. R1d5 $5
Nf7 26. Rb8 Rxb2 27. Rd7 $16) 25... Rc7 {[#]} 26. Kf2 $2 (26. Rd5 $1 Nf7 27.
Kf2 Rc2+ 28. R5d2 Rc5 29. Rd3 Bc6 30. Rc3 $16) 26... Ke7 $14 27. h3 Rc6 (27...
a6 $5 28. Rd4 Bb5 29. Rd5 $14) 28. f4 $2 (28. Rd5 $1 Ke6 29. R1d2 a6 30. Rd1
Rc7 31. b3 $14) 28... Nf7 $1 $11 {[#] The position is equal.} 29. Rd5 Ra6 30.
a3 Bc6 31. R5d4 Rb6 32. b4 a5 $1 33. bxa5 Ra6 34. R1d3 Rxa5 35. Kf3 Rc5 36. h4
h5 $1 37. g4 hxg4+ 38. Kxg4 Nh6+ 39. Kg3 Rc1 40. a4 Rg1+ 41. Kf3 Ra1 42. Rd1
Ra3+ 43. R1d3 Rxd3+ 44. Rxd3 Nf5 $1 45. h5 Ke6 $1 {[#]} 46. Rc3 $1 {And now
Rxc6+! would win.} (46. a5 $5 {is more complex.} Nd6 47. Ke3 Nxe4 48. Kd4 Nf6
49. Rh3 Be8 50. h6 gxh6 51. Rxh6 Bc6 $11) 46... Nd6 47. Rxc6 $1 bxc6 {KN-KP}
48. a5 {[#] con compensación por el material entregado.} c5 $1 49. a6 Nb5 50.
Ke3 c4 51. Kd2 Kd6 52. Ke3 Ke6 {White really could win this. Weighted Error
Value: White=0.27/Black=0.25} (52... Ke6 {[#]} 53. Kd2 Ke7 54. a7 Nxa7 55. Kc3
Nc6 56. Kxc4 $11 {[#] Tablebases de Lomonosov.}) 1/2-1/2
