Author: Dann Corbit
Date: 18:26:25 04/22/02
Go up one level in this thread
On April 22, 2002 at 21:06:34, Dann Corbit wrote:
>On April 22, 2002 at 19:05:02, Deepak Nityanandam wrote:
>
>>this game went on for a few more moves but after # 54 Rgc1 why doesnt Black take
>>the pawn on f2 and +?
>>any thoughts on this??
>>
>>
>>1.Nf3 Nf6 2.d4 b6 3.c4 Bb7 4.Nc3 e6 5.a3 d5 6.cxd5 exd5 7.Bg5 Be7 8.e3 0-0 9.Bd3
>>Ne4 10.Bf4 Nd7 11.Qc2 f5 12.Nb5 Bd6 13.Nxd6 cxd6 14.h4 Rc8 15.Qb3 Qe7 16.Nd2
>>Ndf6 17.Nxe4 fxe4 18.Be2 Rc6 19.g4 Rfc8 20.g5 Ne8 21.Bg4 Rc1+ 22.Kd2 R8c2+
>>23.Qxc2 Rxc2+ 24.Kxc2 Qc7+ 25.Kd2 Qc4 26.Be2 Qb3 27.Rab1 Kf7 28.Rhc1 Ke7 29.Rc3
>>Qa4 30.b4 Qd7 31.Rbc1 a6 32.Rg1 Qh3 33.Rgc1 Qd7 34.h5 Kd8 35.R1c2 Qh3 36.Kc1 Qh4
>>37.Kb2 Qh3 38.Rc1 Qh4 39.R3c2 Qh3 40.a4 Qh4 41.Ka3 Qh3 42.Bg3 Qf5 43.Bh4 g6
>>44.h6 Qd7 45.b5 a5 46.Bg3 Qf5 47.Bf4 Qh3 48.Kb2 Qg2 49.Kb1 Qh3 50.Ka1 Qg2 51.Kb2
>>Qh3 52.Rg1 Bc8 53.Rc6 Qh4 54.Rgc1 Bg4 55.Bf1 Qh5 56.Re1 Qh1 57.Rec1 Qh5 58.Kc3
>>Qh4 59.Bg3 Qxg5 60.Kd2 Qh5 61.Rxb6 Ke7 62.Rb7+ Ke6 63.b6 Nf6 64.Bb5 Qh3 65.Rb8
>>1-0
>>
>>
>>
>>[D]2bkn3/7p/1pRp2pP/pP1p2P1/P2PpB1q/4P3/1K2BP2/2R5 w
>
>Your string has the wrong side to move.
>
>2bkn3/7p/1pRp2pP/pP1p2P1/P2PpB1q/4P3/1K2BP2/2R5 b - - pm Bg4;
>
>Here is the game, with complete header information:
>
>[Event "Hastings"]
>[Site "?"]
>[Date "1930.??.??"]
>[Round "?"]
>[White "Sultan Khan, Mir"]
>[Black "Capablanca, Jose Raul"]
>[Result "1-0"]
>[ECO "E12p"]
>[Variation "Queen's Indian: Petrosian, 6.cxd5 exd5 7.Bg5"]
>
>1. Nf3 Nf6 2. d4 b6 3. c4 Bb7 4. Nc3 e6 5. a3 d5 6. cxd5 exd5 7. Bg5 Be7 8.
>e3 O-O 9. Bd3 Ne4 10. Bf4 Nd7 11. Qc2 f5 12. Nb5 Bd6 13. Nxd6 cxd6 14. h4
>Rc8 15. Qb3 Qe7 16. Nd2 Ndf6 17. Nxe4 fxe4 18. Be2 Rc6 19. g4 Rfc8 20. g5
>Ne8 21. Bg4 Rc1+ 22. Kd2 R8c2+ 23. Qxc2 Rxc2+ 24. Kxc2 Qc7+ 25. Kd2 Qc4 26.
>Be2 Qb3 27. Rab1 Kf7 28. Rhc1 Ke7 29. Rc3 Qa4 30. b4 Qd7 31. Rbc1 a6 32.
>Rg1 Qa4 33. Rgc1 Qd7 34. h5 Kd8 35. R1c2 Qh3 36. Kc1 Qh4 37. Kb2 Qh3 38.
>Rc1 Qh4 39. R3c2 Qh3 40. a4 Qh4 41. Ka3 Qh3 42. Bg3 Qf5 43. Bh4 g6 44. h6
>Qd7 45. b5 a5 46. Bg3 Qf5 47. Bf4 Qh3 48. Kb2 Qg2 49. Kb1 Qh3 50. Ka1 Qg2
>51. Kb2 Qh3 52. Rg1 Bc8 53. Rc6 Qh4 54. Rgc1 Bg4 55. Bf1 Qh5 56. Re1 Qh1
>57. Rec1 Qh5 58. Kc3 Qh4 59. Bg3 Qxg5 60. Kd2 Qf5 61. Rxb6 Ke7 62. Rb7+ Ke6
>63. b6 Nf6 64. Bb5 Qf3 65. Rb8 1-0
A crafty analysis of the move in question shows that it was probably
Capablanca's best possible choice:
hash table memory = 192M bytes.
White(1): st 999
search time set to 999.00.
White(1): epdpfga \foobar.epd foobar.out
PFGA: EPD record: 1
middle-game phase
clearing hash tables
time surplus 0.00 time limit 16:39 (16:39)
nss depth time score variation (1)
7 0.53 2.34 1. ... Bf5 2. Rxb6 Qxf2 3. Rb8+ Ke7
4. Rb7+ Kf8 5. Rc2 Kg8
7-> 0.54 2.34 1. ... Bf5 2. Rxb6 Qxf2 3. Rb8+ Ke7
4. Rb7+ Kf8 5. Rc2 Kg8
8 0.57 -- 1. ... Bf5
8 0.62 2.99 1. ... Bf5 2. Rxb6 Qxf2 3. Rc2 Qe1
4. Rb8+ Ke7 5. Rb7+ Bd7 6. Bg4
8 1.19 2.16 1. ... Bd7 2. Rxb6 Qxf2 3. Rc2 Qe1
4. Ka2 Qb4 5. Rb8+ Ke7
8-> 1.21 2.16 1. ... Bd7 2. Rxb6 Qxf2 3. Rc2 Qe1
4. Ka2 Qb4 5. Rb8+ Ke7
9 1.40 ++ 1. ... Bd7!!
9-> 1.69 1.77 1. ... Bd7 2. Rxb6 Qxf2 3. Rc2 Qe1
4. Ka2 Qb4 5. Rb8+ Ke7
10 2.50 1.54 1. ... Bd7 2. R6c2 Ke7 3. f3 Bf5 4.
fxe4 Bxe4 5. Rd2 Kf8 6. Rf1 Kg8
10-> 2.74 1.54 1. ... Bd7 2. R6c2 Ke7 3. f3 Bf5 4.
fxe4 Bxe4 5. Rd2 Kf8 6. Rf1 Kg8
11 5.47 1.51 1. ... Bd7 2. Bg3 Qxg5 3. Rh1 Qf5 4.
Rxb6 Ke7 5. Ra6 g5 6. Kb1 g4 7. Rxa5
11-> 5.63 1.51 1. ... Bd7 2. Bg3 Qxg5 3. Rh1 Qf5 4.
Rxb6 Ke7 5. Ra6 g5 6. Kb1 g4 7. Rxa5
12 6.94 -- 1. ... Bd7
12 8.69 2.23 1. ... Bd7 2. Bg3 Qxg5 3. Rxb6 Ke7
4. Rb7 Ke6 5. Ra7 Nf6 6. Bf4 Qg2 7.
Bg3
12-> 9.79 2.23 1. ... Bd7 2. Bg3 Qxg5 3. Rxb6 Ke7
4. Rb7 Ke6 5. Ra7 Nf6 6. Bf4 Qg2 7.
Bg3
13 12.99 2.09 1. ... Bd7 2. Bg3 Qxg5 3. Rxb6 Ke7
4. Ra6 Kf8 5. b6 Qd8 6. b7 Qb8 7. Bxd6+
Nxd6 8. Ra8 Nc4+ 9. Bxc4
13-> 16.51 2.09 1. ... Bd7 2. Bg3 Qxg5 3. Rxb6 Ke7
4. Ra6 Kf8 5. b6 Qd8 6. b7 Qb8 7. Bxd6+
Nxd6 8. Ra8 Nc4+ 9. Bxc4
14 18.31 -- 1. ... Bd7
14 24.53 2.72 1. ... Bd7 2. Bg3 Qxg5 3. Rxb6 Ke7
4. Rb8 Be6 5. Rb7+ Bd7 6. b6 Nf6 7.
Rcc7 Ke8 8. Bxd6 Qxh6
14-> 50.43 2.72 1. ... Bd7 2. Bg3 Qxg5 3. Rxb6 Ke7
4. Rb8 Be6 5. Rb7+ Bd7 6. b6 Nf6 7.
Rcc7 Ke8 8. Bxd6 Qxh6
15 56.69 -- 1. ... Bd7
15 1:27 5.13 1. ... Bd7 2. Bg3 Qxg5 3. Rxb6 Ke7
4. Ra6 Ke6 5. b6 Qd8 6. b7 Qb8 7. Bg4+
Ke7 8. Bh4+ Nf6 9. Bxf6+ Kxf6 10. Bxd7
Qxb7+ 11. Bb5 Kg5
15 3:58 2.67 1. ... Bg4 2. Bxg4 Qxg4 3. Bxd6 Nxd6
4. Rxd6+ Ke8 5. Rxd5 Qe2+ 6. Rc2 Qe1
7. Ka2 Qb4 8. Rc8+ Ke7 9. Rc7+ Ke6
10. Re5+ Kd6 11. Rc6+ Kd7 12. Rxb6
Qxa4+ 13. Kb2
15-> 4:01 2.67 1. ... Bg4 2. Bxg4 Qxg4 3. Bxd6 Nxd6
4. Rxd6+ Ke8 5. Rxd5 Qe2+ 6. Rc2 Qe1
7. Ka2 Qb4 8. Rc8+ Ke7 9. Rc7+ Ke6
10. Re5+ Kd6 11. Rc6+ Kd7 12. Rxb6
Qxa4+ 13. Kb2
16 5:41 2.59 1. ... Bg4 2. Bxg4 Qxg4 3. Bxd6 Nxd6
4. Rxd6+ Ke8 5. Rxd5 Qe2+ 6. Rc2 Qe1
7. Ka2 Qb4 8. Rc8+ Ke7 9. Rc7+ Ke6
10. Re5+ Kd6 11. Rc6+ Kd7 12. Rxb6
Qxa4+ 13. Kb2 Qb4+ 14. Kc2
16-> 5:59 2.59 1. ... Bg4 2. Bxg4 Qxg4 3. Bxd6 Nxd6
4. Rxd6+ Ke8 5. Rxd5 Qe2+ 6. Rc2 Qe1
7. Ka2 Qb4 8. Rc8+ Ke7 9. Rc7+ Ke6
10. Re5+ Kd6 11. Rc6+ Kd7 12. Rxb6
Qxa4+ 13. Kb2 Qb4+ 14. Kc2
time=16:39 cpu=99% mat=1 n=524242129 fh=89% nps=524k
ext-> chk=26417439 cap=378924 pp=1289416 1rep=2224658 mate=82248
predicted=0 nodes=524242129 evals=240691306
endgame tablebase-> probes done=0 successful=0
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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