Author: Uri Blass
Date: 02:43:48 12/25/05
Go up one level in this thread
On December 25, 2005 at 04:45:56, Kurt Utzinger wrote:
>On December 25, 2005 at 03:45:54, Uri Blass wrote:
>
>>That game was finished in tablebases KRP vs KBP and my question is if the
>>analysis of the game in the following page is correct
>>
>>http://www.correspondencechess.com/campbell/ham/fr_hambl.htm
>>
>>unfortunately I could not find KRP vs KBP tablebases in online database.
>>
>>Uri
>
> Hi Uri
> Can you post the PGN with analysis included
> in this forum please. Many thanks. This would
> be very helpful indeed.
> Best regards
> Kurt
I discovered some mistakes in the analysis based on analysis with yace inspite
of not having the 6 piece tablebases but only all the 5 piece tablebases.
I copied lines from that page to the pgn and also commented lines that yace
suggested
[Event "4320'/1"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "agur"]
[Result "*"]
[PlyCount "146"]
[TimeControl "1/259200:0/0:0/0"]
{512MB, Fritz8.ctg, URI-AMD} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4
Nc6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Nf6 9. O-O Bg7 10. Nde2 Qe6 11. Nd5 Qxe4 12.
Nc7+ Kd7 13. Nxa8 Qxc4 14. Nb6+ axb6 15. Nc3 b5 16. Bg5 Ne4 17. Nxe4 Qxe4 18.
a4 b4 19. Re1 Qf5 20. Qd2 Ra8 21. Be3 Ke8 22. h3 Ra5 23. Bb6 Rd5 24. Qe2 Qd3
25. Qg4 e6 26. Rad1 Qb3 27. Rxd5 Qxd5 28. Rd1 Qb3 29. Rxd6 Qxb2 30. Qd1 Qa1 31.
Qxa1 Bxa1 32. Rd1 Bf6 33. Kf1 h5 34. Ke2 Be7 35. Kd3 Ne5+ 36. Kc2 Nd7 37. Bd4
Nc5 38. Bxc5 Bxc5 39. f3 Ke7 40. g4 hxg4 41. hxg4 Bd6 42. Kb3 Kd7 43. Kc4 f5
44. g5 e5 45. Kd5 b6 46. Rc1 Bc7 47. Rc4 e4 48. fxe4 fxe4 49. Rxb4 e3 50. Re4
Bd8 51. Rxe3 Bxg5 52. Re6 Kc7 53. Kc4 Bh4 54. Rxg6 Bf2 55. Kb5 Bd4 56. Rc6+ (
56. Ka6 Be3 57. Rg3 Bd4 58. Rb3 Kc6 (58... Bc5 59. Rb5 Bf2 60. Ka7 Bd4 61. Ka8
{yace mate in 35 against black} (61. Rb4 {yace mate in 26}) 61... Kc6 62. Rb1 (
62. Ka7 {yace claims mate in 29 against black}) (62. Kb8 {also wins}) 62... Bc5
(62... Kc7 63. Rc1+ Bc5 64. Ka7 Kc6 65. Kb8) 63. Kb8 Bd4 64. Kc8 Bf2 (64... Be3
65. Rb2 Bd4 66. Rc2+ Bc5 67. Rc1) 65. Rc1+ Bc5 {yace mate in 23} 66. Kb8 b5 {
yace mate in 17} 67. a5) 59. Rb5 Bc5 {alternatives transpose} (59... Kc7 60.
Ka7 Kc6 (60... Bc5 61. a5) 61. Kb8) 60. Ka7 (60. Rb2 {
yace sggest it with mate in 25}) 60... Bd4 (60... Kc7 61. a5 (61. Ka8 {
suggested by yace mate in 34}) 61... Kc6 62. Rxb6+ {
draw and not win like what is written in the page} (62. a6 {suggested by yace})
) 61. Kb8 Be3 62. Rb2 Bc5 63. Rc2 (63. Rb5 {
suggested by yace with big advantage of 19 pawns}) 63... Kd6 (63... b5 64. a5
b4 65. Rb2 Kb5 66. Kb7 {this is a draw unlike the comments})) 56... Kb7 57. Re6
(57. Rc4 Bf2 58. Rf4 Be3 59. Rf7+ Kc8 60. Kc6 Kb8 61. Rf8+ Ka7 {draw}) 57...
Kb8 58. Rd6 Be3 59. Rd8+ Kb7 (59... Kc7 {black draws regardless of the choice}
60. Re8 Bd4 61. Re7+ Kc8 62. Kc6 Kb8) 60. Rd7+ Kc8 61. Re7 Bd4 62. Kc6 Kb8 63.
Kd5 Bc5 64. Rd7 Bf2 65. Rf7 Bg1 66. Rd7 Bf2 (66... Bc5 67. a5 Bf2 68. a6 Ka8
69. Kc6 Be3 (69... b5 {yace's move}) 70. Kb5 {force mate in 6} Bg1 71. a7 Be3
72. Ka6 Bg5 73. Rc7 Bf4 74. Rc8+) 67. Kc4 Kc8 68. Re7 Bc5 69. Re5 Kb7 (69...
Kc7 {also a draw} 70. Kb5 Bf2 (70... Kb7 71. a5 Bd6 72. Re6 {
wins and this is correct based on yace}) 71. Re7+ Kc8 72. Ka6) 70. Kb5 Bd4 71.
Re7+ Kc8 72. Re8+ Kb7 73. Re7+ Kc8 *
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.