Houdini can be too late to realise it is lost too...

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ernst
Posts: 336
Joined: Thu Mar 09, 2006 5:00 pm

Houdini can be too late to realise it is lost too...

Post by ernst » Wed Feb 09, 2011 4:17 pm

After move 59 Rybka immediately understood that Houdini's move was incorrect. It took Houdini a couple of moves more to smell the trouble though.

Code: Select all

[Event "Rated game, 60m + 15s"]
[Site "Engine Room"]
[Date "2011.02.09"]
[Round "?"]
[White "Pastorale, Houdini 1.5a x64"]
[Black "Schess, Rybka 4.1 Beta 6"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2573"]
[Annotator "0.21;0.07"]
[PlyCount "132"]
[EventDate "2011.02.09"]
[TimeControl "3600+15"]

{Houdini 1.5a x64 (4 cores): 25.6 plies; 11.507kN/s Intel(R) Core(TM) i7 CPU  
920  @ 2.67GHz 3860MHz, HDB.ctg, 1024 MB} 1. e4 {B 0} c5 {B 0} 2. Nf3 {B 0} d6
{B 0} 3. d4 {B 0} cxd4 {B 0} 4. Nxd4 {B 0} Nf6 {B 0} 5. Nc3 {B 0} a6 {B 0} 6.
Be3 {B 0} e5 {B 0} 7. Nb3 {B 0} Be6 {B 0} 8. f3 {B 0} h5 {B 0} 9. Nd5 {B 0}
Bxd5 {B 0} 10. exd5 {B 0} Nbd7 {B 0} 11. Qd2 {B 0} g6 {B 0} 12. Be2 {B 0} Bg7 {
B 0} 13. O-O {B 0} O-O {B 0} 14. Rac1 {B 0} Qc7 {B 0} 15. c4 {B 0} b6 {B 0} 16.
h3 {B 0} Rfe8 {B 0} 17. Rfe1 {B 0} Kh7 {B 0} 18. Bf1 {B 0} Rac8 {B 0} 19. Kh1 {
0.21/23 141} a5 {0.07/20 241 (Tb8)} 20. Na1 {0.26/25 88} Nc5 {0.17/22 737} 21.
Nc2 {0.18/29 0} Ng8 {0.14/20 246 (Dd7)} 22. Na3 {0.13/24 124} Bh6 {0.15/21 0 
(e4)} 23. Bd3 {0.23/25 85} Bxe3 {0.15/21 197} 24. Rxe3 {0.22/26 0} Nxd3 {0.22/
21 494 (De7)} 25. Rxd3 {0.23/26 88} Ne7 {0.22/22 0 (Sh6)} 26. Nb5 {0.23/25 82}
Qd8 {0.22/21 0} 27. b3 {0.22/24 83} h4 {0.20/20 68 (Sf5)} 28. Kg1 {0.20/25 137}
Ra8 {0.15/23 709 (Sf5)} 29. Nc3 {0.14/25 245} Nf5 {0.12/22 123} 30. Re1 {0.11/
23 10} Ng3 {0.07/20 96 (Sg7)} 31. Qe3 {0.06/25 93} Kg7 {0.07/23 222 (Sh5)} 32.
Rd2 {0.05/25 72} Nh5 {0.06/21 95} 33. Rc2 {0.05/25 28} Qc7 {0.03/22 172 (Tb8)}
34. Nb5 {0.05/26 76} Qd8 {0.01/22 176} 35. Qc3 {0.05/27 0} Nf4 {0.00/21 89} 36.
Re4 {0.05/26 67} Kg8 {0.00/22 65} 37. Qd2 {0.03/25 128} Rb8 {0.00/23 0} 38. Re1
{0.03/26 71} f5 {0.00/22 0 (Df6)} 39. Qe3 {0.05/24 92} Rb7 {0.00/23 0 (Kh7)}
40. Kh1 {0.00/25 112} Kg7 {0.00/22 74 (Kh7)} 41. Rb2 {0.01/24 88} Qf6 {0.00/22
66} 42. Rf2 {0.00/26 35} Kh6 {-0.01/21 70 (Kh7)} 43. Rd2 {0.00/25 107} Rd8 {-0.
01/23 54 (Kh7)} 44. Qg1 {-0.03/26 110} Qg5 {-0.02/23 81} 45. Qf2 {-0.04/26 0}
Qg3 {-0.02/21 34} 46. Qg1 {-0.08/25 74} Nxh3 {-0.84/16 26 (Dg5)} 47. gxh3 {-0.
20/25 88} Qxh3+ {-0.89/21 0} 48. Qh2 {-0.14/26 57} Qxf3+ {-0.89/20 0} 49. Kg1 {
-0.19/26 68} g5 {-0.89/21 0 (Kh5)} 50. Rf2 {-0.19/24 51} Qg4+ {-0.89/19 0} 51.
Kh1 {-0.25/25 311} Rbd7 {-0.90/20 0 (Kg6)} 52. Nc3 {-0.07/23 49} Rf8 {-0.87/20
0 (Tf7)} 53. Ref1 {-0.19/22 59} f4 {-0.87/21 0 (Tdd8)} 54. Rg1 {-0.19/24 43}
Qf5 {-0.87/22 0} 55. Rfg2 {-0.19/26 44} Rg7 {-0.87/21 0} 56. Rg4 {-0.19/24 2}
Rg6 {-0.87/21 14} 57. Qg2 {-0.19/26 33} f3 {-0.87/21 22} 58. Qf2 {-0.19/27 0}
Qd7 {-0.98/21 44 (Kh5)} 59. Kh2 {-0.19/26 43} Kh5 {-1.72/15 12} 60. Ne4 {-0.19/
27 33} Qxg4 {-2.39/14 11} 61. Rxg4 {-0.15/27 0} Kxg4 {-2.51/15 2} 62. Qxb6 {-0.
48/27 233} Kf4 {-3.02/17 16} 63. Qf2 {-2.52/23 183} g4 {-3.35/21 17} 64. Qe1 {
-3.19/23 45} g3+ {-4.77/18 22} 65. Kh3 {-10.44/24 139} g2 {-5.76/18 0} 66. Qd2+
{-10.51/25 35} Kxe4 {-9.08/17 89 Pastorale,Houdini 1.5a x64 gibt auf} 0-1

Robert Flesher
Posts: 1246
Joined: Tue Aug 18, 2009 1:06 am

Re: Houdini can be too late to realise it is lost too...

Post by Robert Flesher » Wed Feb 09, 2011 7:06 pm

Interesting! Very nice win by black. Rybka played this game very well.

zullil
Posts: 6442
Joined: Mon Jan 08, 2007 11:31 pm
Location: PA USA
Full name: Louis Zulli

Test Position: What if not Kh2?

Post by zullil » Wed Feb 09, 2011 8:27 pm

[D] 5r2/3q4/1p1p2rk/p2Pp1p1/2P3Rp/1PN2p2/P4Q2/6RK w - - 2 58

Here Houdini played Kh2 and lost. What does your engine play?

User avatar
slobo
Posts: 2331
Joined: Mon Apr 09, 2007 3:36 pm

Re: Houdini can be too late to realise it is lost too...

Post by slobo » Wed Feb 09, 2011 8:39 pm

ernst wrote:After move 59 Rybka immediately understood that Houdini's move was incorrect. It took Houdini a couple of moves more to smell the trouble though.

Code: Select all

[Event "Rated game, 60m + 15s"]
[Site "Engine Room"]
[Date "2011.02.09"]
[Round "?"]
[White "Pastorale, Houdini 1.5a x64"]
[Black "Schess, Rybka 4.1 Beta 6"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2573"]
[Annotator "0.21;0.07"]
[PlyCount "132"]
[EventDate "2011.02.09"]
[TimeControl "3600+15"]

{Houdini 1.5a x64 (4 cores): 25.6 plies; 11.507kN/s Intel(R) Core(TM) i7 CPU  
920  @ 2.67GHz 3860MHz, HDB.ctg, 1024 MB} 1. e4 {B 0} c5 {B 0} 2. Nf3 {B 0} d6
{B 0} 3. d4 {B 0} cxd4 {B 0} 4. Nxd4 {B 0} Nf6 {B 0} 5. Nc3 {B 0} a6 {B 0} 6.
Be3 {B 0} e5 {B 0} 7. Nb3 {B 0} Be6 {B 0} 8. f3 {B 0} h5 {B 0} 9. Nd5 {B 0}
Bxd5 {B 0} 10. exd5 {B 0} Nbd7 {B 0} 11. Qd2 {B 0} g6 {B 0} 12. Be2 {B 0} Bg7 {
B 0} 13. O-O {B 0} O-O {B 0} 14. Rac1 {B 0} Qc7 {B 0} 15. c4 {B 0} b6 {B 0} 16.
h3 {B 0} Rfe8 {B 0} 17. Rfe1 {B 0} Kh7 {B 0} 18. Bf1 {B 0} Rac8 {B 0} 19. Kh1 {
0.21/23 141} a5 {0.07/20 241 (Tb8)} 20. Na1 {0.26/25 88} Nc5 {0.17/22 737} 21.
Nc2 {0.18/29 0} Ng8 {0.14/20 246 (Dd7)} 22. Na3 {0.13/24 124} Bh6 {0.15/21 0 
(e4)} 23. Bd3 {0.23/25 85} Bxe3 {0.15/21 197} 24. Rxe3 {0.22/26 0} Nxd3 {0.22/
21 494 (De7)} 25. Rxd3 {0.23/26 88} Ne7 {0.22/22 0 (Sh6)} 26. Nb5 {0.23/25 82}
Qd8 {0.22/21 0} 27. b3 {0.22/24 83} h4 {0.20/20 68 (Sf5)} 28. Kg1 {0.20/25 137}
Ra8 {0.15/23 709 (Sf5)} 29. Nc3 {0.14/25 245} Nf5 {0.12/22 123} 30. Re1 {0.11/
23 10} Ng3 {0.07/20 96 (Sg7)} 31. Qe3 {0.06/25 93} Kg7 {0.07/23 222 (Sh5)} 32.
Rd2 {0.05/25 72} Nh5 {0.06/21 95} 33. Rc2 {0.05/25 28} Qc7 {0.03/22 172 (Tb8)}
34. Nb5 {0.05/26 76} Qd8 {0.01/22 176} 35. Qc3 {0.05/27 0} Nf4 {0.00/21 89} 36.
Re4 {0.05/26 67} Kg8 {0.00/22 65} 37. Qd2 {0.03/25 128} Rb8 {0.00/23 0} 38. Re1
{0.03/26 71} f5 {0.00/22 0 (Df6)} 39. Qe3 {0.05/24 92} Rb7 {0.00/23 0 (Kh7)}
40. Kh1 {0.00/25 112} Kg7 {0.00/22 74 (Kh7)} 41. Rb2 {0.01/24 88} Qf6 {0.00/22
66} 42. Rf2 {0.00/26 35} Kh6 {-0.01/21 70 (Kh7)} 43. Rd2 {0.00/25 107} Rd8 {-0.
01/23 54 (Kh7)} 44. Qg1 {-0.03/26 110} Qg5 {-0.02/23 81} 45. Qf2 {-0.04/26 0}
Qg3 {-0.02/21 34} 46. Qg1 {-0.08/25 74} Nxh3 {-0.84/16 26 (Dg5)} 47. gxh3 {-0.
20/25 88} Qxh3+ {-0.89/21 0} 48. Qh2 {-0.14/26 57} Qxf3+ {-0.89/20 0} 49. Kg1 {
-0.19/26 68} g5 {-0.89/21 0 (Kh5)} 50. Rf2 {-0.19/24 51} Qg4+ {-0.89/19 0} 51.
Kh1 {-0.25/25 311} Rbd7 {-0.90/20 0 (Kg6)} 52. Nc3 {-0.07/23 49} Rf8 {-0.87/20
0 (Tf7)} 53. Ref1 {-0.19/22 59} f4 {-0.87/21 0 (Tdd8)} 54. Rg1 {-0.19/24 43}
Qf5 {-0.87/22 0} 55. Rfg2 {-0.19/26 44} Rg7 {-0.87/21 0} 56. Rg4 {-0.19/24 2}
Rg6 {-0.87/21 14} 57. Qg2 {-0.19/26 33} f3 {-0.87/21 22} 58. Qf2 {-0.19/27 0}
Qd7 {-0.98/21 44 (Kh5)} 59. Kh2 {-0.19/26 43} Kh5 {-1.72/15 12} 60. Ne4 {-0.19/
27 33} Qxg4 {-2.39/14 11} 61. Rxg4 {-0.15/27 0} Kxg4 {-2.51/15 2} 62. Qxb6 {-0.
48/27 233} Kf4 {-3.02/17 16} 63. Qf2 {-2.52/23 183} g4 {-3.35/21 17} 64. Qe1 {
-3.19/23 45} g3+ {-4.77/18 22} 65. Kh3 {-10.44/24 139} g2 {-5.76/18 0} 66. Qd2+
{-10.51/25 35} Kxe4 {-9.08/17 89 Pastorale,Houdini 1.5a x64 gibt auf} 0-1
My guess is: it was not Rybka 4.1 Beta 6. It must have been an Ivanhoe. Otherwise you would send us Rybka 4.1 Beta 6 codes.

Or perhaps Vas did lost it already?
"Well, I´m just a soul whose intentions are good,
Oh Lord, please don´t let me be misunderstood."

zullil
Posts: 6442
Joined: Mon Jan 08, 2007 11:31 pm
Location: PA USA
Full name: Louis Zulli

Re: Test Position: What if not Kh2?

Post by zullil » Wed Feb 09, 2011 8:50 pm

Stockfish-2.0.1 (8 threads) switches to Ne4:

Code: Select all

Searching: 5r2/3q4/1p1p2rk/p2Pp1p1/2P3Rp/1PN2p2/P4Q2/6RK w - -
infinite: 1 ponder: 0 time: 0 increment: 0 moves to go: 0
 1     +1.13   00:00      567 Ne4 
 2     +1.29   00:00      931 Ne4 Rf4 
 3     +0.65   00:00     1277 Ne4 Rf4 Rxg5 Qh3+ Qh2 Qxh2+ Kxh2 Rxg5 Nxg5 
 4     +0.65   00:00     1684 Ne4 Rf4 Rxg5 Qh3+ Qh2 Qxh2+ Kxh2 Rxg5 Nxg5 
 5     +0.65   00:00     2140 Ne4 Rf4 Rxg5 Qh3+ Qh2 Qxh2+ Kxh2 Rxg5 Nxg5 
 6     +0.65   00:00     4840 Ne4 Rf4 Rxg5 Qh3+ Qh2 Qxh2+ Kxh2 Rxg5 Nxg5 
 7  <  +0.57   00&#58;00     6466 Ne4 Rf4 Rxg5 Qh3+ Qh2 Qxh2+ Kxh2 Rxg5 Nxg5 f2 
 7  <  +0.40   00&#58;00     8422 Ne4 Rf4 Rxg5 Qh3+ Qh2 Qxh2+ Kxh2 Rxg5 Nxg5 f2 
 7  <  +0.32   00&#58;00     9406 Ne4 Rf4 Rxg5 Qh3+ Qh2 Qxh2+ Kxh2 Rxg5 Nxg5 f2 
 7     +0.12   00&#58;00    12423 Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Rg4 
                              a4 bxa4 
 8     +0.00   00&#58;00    16792 Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Rg4 
                              Rg7 Rg1 Rg6 
 9  >  +0.40   00&#58;00    26913 Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 a3 
                              g4+ Rxg4 Rxg4 Nf6+ 
 9     +0.00   00&#58;00    28066 Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 a3 
                              Rg7 Nf6+ Kh6 Ne4 Kh5 
10     +0.00   00&#58;00    44581 Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 a3 
                              Rg7 Nf6+ Kg6 Ne4 Kh5 
11     +0.00   00&#58;00    86137 Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 a3 
                              Rg7 Nf6+ Kg6 Ne4 Kh5 
12  <  -0.08   00&#58;00   128930 Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 a3 
                              Rg7 Nf6+ Kg6 Ne4 Re7 Nxd6 f2 Rf1 Re3+ Kg2 Rxb3 a4 
                              g4 Ne4 h3+ Kh2 Kf5 
12     +0.00   00&#58;00   151677 Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 a3 
                              Rg7 Nf6+ Kg6 Ne4 Kh5 
13  <  -0.08   00&#58;00   164482 Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 a3 
                              Rg7 Nf6+ Kg6 Ne4 Re7 Nxd6 f2 Rf1 Re3+ Kg2 Rxb3 a4 
                              g4 Ne4 h3+ Kh2 Kf5 
13     +0.00   00&#58;00   207343 Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 a3 
                              Rg7 Nf6+ Kg6 Ne4 Kh5 
14  <  -0.08   00&#58;00   236876 Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 a3 
                              Rg7 Nf6+ Kg6 Ne4 Re7 Nxd6 f2 Rf1 Re3+ Kg2 Rxb3 a4 
                              g4 Ne4 h3+ Kh2 Kf5 
14     +0.00   00&#58;00   284122 Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 a3 
                              Rg7 Nf6+ Kg6 Ne4 Re7 Nxd6 f2 Rf1 Re3+ Kg2 Rxb3 
                              Nc8 g4 Rxf2 f3+ Kf1 Rb1# 
15  <  -0.08   00&#58;00   311315 Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 a3 
                              Rg7 Nf6+ Kg6 Ne4 Re7 Nxd6 f2 Rf1 Re3+ Kg2 Rxb3 
                              Nc8 g4 Rxf2 f3+ Kf1 Rb1# 
15     +0.00   00&#58;00   404547 Kh2 Kh5 Ne4 Qxg4 Rxg4 Kxg4 Qxb6 Rf4 Nf2+ Kh5 Qd8 
                              g4 Qh8+ Kg5 Qd8+ Rgf6 Qg8+ Rg6 Qd8+ 
16     +0.00   00&#58;00   739150 Kh2 Kh5 Ne4 Qxg4 Rxg4 Kxg4 Qxb6 Rf4 Nf2+ Kh5 Qd8 
                              g4 Qh8+ Kg5 Qd8+ Rgf6 Qg8+ Rg6 Qd8+ 
17  <  -0.08   00&#58;01    1987K Kh2 Kh5 Ne4 Qxg4 Rxg4 Kxg4 Qxb6 Kf4 Nc5 g4 Ne6+ 
                              Kf5 Nxf8 g3+ Kh3 f2 Nxg6 f1=Q+ Kxh4 g2 Ne7+ Kf4 
17  <  -0.16   00&#58;01    2198K Kh2 Kh5 Ne4 Qxg4 Rxg4 Kxg4 Qxb6 Kf4 Nc5 g4 Ne6+ 
                              Kf5 Qxd6 g3+ Kg1 f2+ Kg2 h3+ Kf1 g2+ 
17  <  -0.32   00&#58;01    2788K Kh2 Kh5 Kh3 Rf4 
17     -0.20   00&#58;01    2838K Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 a3 
                              Rg7 Nf6+ Kg6 Ne4 Re7 Nxd6 f2 Rf1 Re3+ Kg2 g4 Nb5 
                              f3+ Kxf2 Re2+ Kg1 Kg5 
18  <  -0.40   00&#58;01    3218K Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 a3 
                              Rg7 Nf6+ Kg6 Ne4 Re7 Nxd6 f2 Rf1 Re3+ Kg2 g4 Nb5 
                              f3+ Kxf2 Re2+ Kg1 Rg2+ Kh1 Kf5 
18  <  -0.61   00&#58;01    4003K Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Nf2 Kh5 Nh3 
                              f2 Nxf2 g4 Ne4 f3 Rf1 g3+ Kh3 g2 Rg1 Rg7 
18     -0.61   00&#58;01    5421K Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 a3 
                              Rg7 Nf6+ Kg6 Ng4 Re7 Rf1 Re2 Rxf3 Re1 Rf2 Rb1 Rf3 
                              Kf5 Rd3 
19     -0.44   00&#58;02    6452K Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Nf2 
                              Rg7 Ne4 f2 Nxf2 Re7 Ng4 Re2 Nf6+ Kg6 Nd7 Kf5 Nxb6 
                              Re3+ Kg2 g4 Nc8 Rg3+ Kf1 Rxg1+ Kxg1 Ke5 a3 a4 
                              bxa4 
20  >  -0.08   00&#58;02    7380K Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Nf2 
                              Rg7 Ne4 f2 Nxf2 Re7 Ng4 Re2 a4 Kg6 Rb1 Rd2 Re1 
                              Rd3+ Kh2 Rxb3 Re6+ Kh5 Nf6+ 
20     -0.16   00&#58;02    7523K Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Nf2 
                              Rg7 Ne4 f2 Nxf2 Re7 Ng4 Re2 a4 Kg6 Rb1 Kf7 b4 Rc2 
                              bxa5 bxa5 Rb6 Rc3+ Kh2 Rxc4 Rxd6 Rxa4 Ne5+ Ke8 
                              Re6+ Kd8 
21  <  -0.53   00&#58;02   10194K Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Nf2 
                              a4 bxa4 Rg7 Ng4 Rc7 Nf6+ Kg6 Ne4 f2 Rxg5+ Kh6 
21     -0.40   00&#58;03   10577K Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Nf2 
                              a4 bxa4 Rg7 Ng4 Rc7 Rc1 Ra7 Nf6+ Kg6 Ne4 Re7 Nxd6 
                              Kh5 Rb1 g4+ Kh2 Re2+ Kg1 g3 Nc8 Rg2+ Kf1 h3 Nxb6 
                              h2 
22     -0.53   00&#58;03   11584K Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Nf2 
                              a4 bxa4 Rg7 Ng4 Rc7 Rc1 Ra7 Nf6+ Kg6 Ne4 Re7 Nxd6 
                              Kh5 a5 g4+ Kh2 bxa5 Kg1 Re2 c5 Rxa2 Ne4 Rg2+ Kf1 
                              Rb2 
23  >  -0.28   00&#58;03   13551K Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Nf2 
                              a4 bxa4 Rg7 a5 bxa5 c5 dxc5 d6 Kg6 Rc1 
23  >  -0.04   00&#58;03   13809K Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Nf2 
                              a4 bxa4 Rg7 a5 bxa5 c5 dxc5 d6 Kg6 Rc1 Rd7 Rxc5 
                              Rxd6 Kg4 
23  <  -0.77   00&#58;04   16427K Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Nf2 
                              Rg7 Ne4 a4 Nxd6 axb3 
23     -0.65   00&#58;05   25858K Nd1 Rf4 Ne3 Kh5 Kh2 e4 Qb2 Qd8 Qf2 Qc8 Kh1 Rg8 
                              Kh2 Qe8 Kh1 Qe5 a3 Qf6 b4 Rxg4 Nxg4 Qc3 Qxb6 
24  <  -0.85   00&#58;07   36591K Nd1 Rf4 Ne3 Kh5 Kh2 e4 Qb2 Qd8 Qf2 Qf6 Kh3 Rg8 
                              Re1 Rf8 Rgg1 Qe5 Rd1 Rg8 Ng4 Qf5 
24     -0.89   00&#58;08   44863K Nd1 Rf4 Ne3 Kh5 Kh2 e4 Qb2 Qd8 Qf2 Qf6 Kh3 Rg8 a3 
                              Qe5 b4 Qf6 Re1 Qf7 Reg1 Rxg4 Nxg4 Rf8 b5 Qf4 Qxb6 
                              f2 
25  >  -0.57   00&#58;13   75105K Nd1 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Nf2 Rg7 
                              Ng4+ Kh5 Nf6+ Kg6 Ne4 f2 Nxf2 Kf5 Kh3 Re7 Ng4 Re2 
                              Nh6+ Kg6 Ng4 Rxa2 Re1 Rb2 Re6+ Kg7 Nf6 Rxb3+ Kg4 
                              Rg3+ Kf5 
25     -0.57   00&#58;13   79149K Nd1 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Nf2 Rg7 Kh3 
                              Kh5 Ne4 a4 bxa4 Re7 Rxg5+ Kh6 Kg4 Rxe4 Rh5+ Kg6 
                              Rg5+ Kf6 Rf5+ Ke7 Kxf3 Rxc4 Rxf4 Rxf4+ Kxf4 Kf6 
                              Kg4 Ke5 Kxh4 Kxd5 Kg3 Ke4 Kg4 
26  <  -1.01   00&#58;14   85682K Nd1 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Nf2 Rg7 Kh3 
                              Kh5 Ne4 a4 bxa4 Re7 Nxd6 Re3 Kh2 Re2+ Kh3 f2 Rf1 
                              g4+ Kh2 g3+ Kg2 Re1 
26  >  -0.12   00&#58;17  103153K Kh2 Kh5 Ne4 Qxg4 Rxg4 Kxg4 Qxb6 Kf4 Qg1 g4 Qc1+ 
                              Kxe4 Qc2+ Kd4 Qd2+ Ke4 Qc2+ 
26     +0.00   00&#58;18  111636K Kh2 Kh5 Ne4 Qxg4 Rxg4 Kxg4 Qxb6 Kf4 Qg1 g4 Qc1+ 
                              Kxe4 Qc2+ Kd4 Qd2+ Ke4 Qc2+ 
27  <  -0.73   00&#58;26  172367K Kh2 Kh5 Ne4 Qxg4 Rxg4 Kxg4 Qxb6 Kh5 Qa7 Rf4 Qe3 
                              Kh6 Qe1 Kg7 c5 g4 Nxd6 g3+ Kh3 f2 Qxe5+ Rgf6 
27     +0.00   00&#58;32  222877K Kh2 Kh5 Ne4 Qxg4 Rxg4 Kxg4 Qxb6 Kh5 Qa7 Rf4 Nd2 
                              g4 Qh7+ Rh6 Qd7 Rg6 Qh7+ 
28     +0.00   00&#58;41  292079K Kh2 Kh5 Ne4 Qxg4 Rxg4 Kxg4 Qxb6 Kh5 Qa7 Rf4 Nd2 
                              g4 Qh7+ Rh6 Qd7 Rg6 Qh7+ 
29     +0.00   01&#58;06  504859K Kh2 Kh5 Ne4 Qxg4 Rxg4 Kxg4 Qxb6 Kh5 Qa7 Rf4 Nd2 
                              g4 Qh7+ Rh6 Qd7 Rg6 Qh7+ 
30     +0.00   02&#58;35    1257M Kh2 Kh5 Ne4 Qxg4 Rxg4 Kxg4 Qxb6 Kh5 Qa7 Rf4 Nd2 
                              g4 Qh7+ Rh6 Qd7 Rg6 Qh7+ 
31  <  -0.08   04&#58;26    2229M Kh2 Kh5 Ne4 Qxg4 Rxg4 Kxg4 
31  <  -0.16   04&#58;33    2281M Kh2 Kh5 Ne4 Qxg4 Rxg4 Kxg4 Qxb6 Kf4 Qg1 g4 Qc1+ 
                              Kxe4 Qc2+ Kf4 Qxg6 g3+ Kh3 g2 Qxd6 g1=Q Qxf8+ Ke4 
                              Kxh4 f2 
31  <  -0.32   04&#58;40    2328M Kh2 Kh5 Ne4 Qxg4 Rxg4 Kxg4 Qxb6 Kf4 Qg1 g4 Qc1+ 
                              Kxe4 Qc2+ Kf4 
31  <  -0.65   05&#58;00    2471M Kh2 Kh5 Ne4 Qxg4 Rxg4 Kxg4 Qxb6 Kf4 Qg1 g4 Qc1+ 
                              Kxe4 Qb1+ Kf4 
31  <  -1.29   05&#58;19    2626M Kh2 Kh5 a4 Qxg4 Rxg4 Kxg4 Kg1 Kh5 Qxb6 g4 Nb5 g3 
                              Qxa5 f2+ 
31     -0.97   05&#58;28    2693M Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Rg4 
                              Rg7 Rg1 a4 Nf6+ Kg6 Ng4 Re7 Rf1 Re2 bxa4 Rxa2 Re1 
                              Re2 Rf1 Rg2 Rxf3 Rb2 Rf1 Rb3+ Kh2 f3 Kh3 Kf5 Rf2 
                              Rc3 Nh2 Kf4 Rb2 g4+ Nxg4 f2+ Kg2 Kxg4 Rxb6 Rxc4 
                              Rxd6 Rc2 Rg6+ Kf5 
32     -0.97   05&#58;37    2760M Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Rg4 
                              Rg7 Rg1 a4 Nf6+ Kg6 Ng4 Re7 Rf1 Re2 bxa4 Rxa2 Re1 
                              Re2 Rf1 Rg2 Rxf3 Rb2 Rf1 Rb3+ Kh2 f3 Kh3 Kf5 Rf2 
                              Rc3 Nh2 Kf4 Rf1 f2+ Kg2 g4 Rxf2+ Kg5 Rb2 Rxc4 
                              Rxb6 Rxa4 Kg1 Ra1+ 
33     -0.97   06&#58;02    2961M Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Rg4 
                              Rg7 Rg1 a4 Nf6+ Kg6 Ng4 Re7 Rf1 Re2 bxa4 Rxa2 
34  >  -0.89   06&#58;17    3072M Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Rg4 
                              Rg7 Rg1 a4 Nf6+ Kg6 Ng4 Re7 Rf1 axb3 axb3 Re2 
                              Rxf3 Kf5 Rc3 
34  >  -0.81   06&#58;17    3076M Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Rg4 
                              Rg7 Rg1 a4 Nf6+ Kg6 Ng4 axb3 axb3 Kf5 Nh6+ Ke4 
                              Ng4 Kf5 
34  <  -1.05   06&#58;27    3156M Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Nf2 
34  >  -0.65   06&#58;54    3372M Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Rg4 
                              Rg7 Rg1 g4+ Rxg4 Rxg4 Nf6+ 
34     -0.81   07&#58;01    3425M Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Rg4 
                              Rg7 Rg1 a4 Nf6+ Kg6 Ng4 Re7 Rf1 axb3 axb3 Re2 Rf2 
                              Kf5 Rxf3 Ke4 Rc3 Re1 Nf2+ 
35  <  -0.97   07&#58;25    3634M Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ 
35  >  -0.65   08&#58;16    4017M Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 
35  >  -0.48   08&#58;30    4099M Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Rg4 
                              Rg7 Rg1 
35  <  -1.13   08&#58;58    4340M Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 
35  <  -1.45   10&#58;34    5133M Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 a3 
                              Rg7 Nf6+ Kg6 Ng4 Re7 Rf1 
35     -0.93   18&#58;19    9091M Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Nf2 
                              Rg7 Ne4 a4 Nf6+ Kg6 Ng4 Re7 Rf1 Re2 bxa4 Rxa2 
                              Rxf3 Rb2 Rd3 Rb4 Rc3 Rb1 Ra3 Rc1 Rb3 Rg1 Ra3 Kf5 
                              Nh6+ Ke4 Kh2 Re1 Ng4 Rc1 Rb3 Rxc4 Rxb6 Kxd5 Rb5+ 
                              Rc5 Nf6+ 
36  >  -0.73   18&#58;43    9286M Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 
36     -0.61   18&#58;55    9380M Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Nf2 
                              Rg7 Ne4 a4 Nf6+ Kg6 Ng4 axb3 axb3 Re7 Rf1 Re2 
                              Rxf3 Rb2 Rc3 Rb1 Kg2 Kf5 Nh6+ Ke4 Ng4 Re1 Kf2 Kd4 
                              Rf3 Rc1 Kg2 Ke4 Rf2 Rc3 Re2+ Kd4 Rd2+ Kc5 
37     -0.61   19&#58;42    9780M Ne4 Rf4 Rxf4 Qh3+ Qh2 Qxh2+ Kxh2 exf4 Kh3 Kh5 Nf2 
                              Rg7 Ne4 a4 Nf6+ Kg6 Ng4 axb3 axb3 Re7 Rf1 Re2 
                              Rxf3 Rb2 Rc3 Rb1 Kg2 Kf5 Nh6+ Ke4 Ng4 Re1 Kh2 Kd4 
                              Rf3 Re2+ Kh3 Ke4 Rc3 Ra2 Nh6 f3 Ng4 f2 Nf6+ Kf4 
                              Nh5+ Kf5 

Nodes&#58; 10423401178
Time &#40;ms&#41;&#58; 1257856
Nodes/second&#58; 8286641
Best move&#58; Ne4
Ponder move&#58; Rf4

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Houdini
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Re: Houdini can be too late to realise it is lost too...

Post by Houdini » Wed Feb 09, 2011 10:05 pm

Enst,
ernst wrote:After move 59 Rybka immediately understood that Houdini's move was incorrect. It took Houdini a couple of moves more to smell the trouble though.
Quite interesting, the key position occurs after black's move 61:

[D] 5r2/8/1p1p2r1/p2Pp1p1/2P1N1kp/1P3p2/P4Q1K/8 w - -
Houdini takes ages to see that Qxb6 is not a draw. In my test run it required Depth 29 and more than a billion positions. One of the difficulties appears to be that the move Kf4 is not easily considered by Houdini (it's too unsafe).

I will certainly investigate this more in detail for Houdini 2.0.

Robert

gerold
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Re: Houdini can be too late to realise it is lost too...

Post by gerold » Thu Feb 10, 2011 1:38 am

When do you expect to release the next version of Houdini Robert.

Best,
Gerold.

Paloma
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Re: Houdini can be too late to realise it is lost too...

Post by Paloma » Thu Feb 10, 2011 11:42 am

Perhaps if the contract is agreed with CB :lol: :lol:

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Re: Houdini can be too late to realise it is lost too...

Post by Houdini » Thu Feb 10, 2011 12:29 pm

Gerold, nothing's been decided yet, in about 6 to 9 months is probably a reasonable estimate.

gerold
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Re: Houdini can be too late to realise it is lost too...

Post by gerold » Thu Feb 10, 2011 2:21 pm

Houdini wrote:Gerold, nothing's been decided yet, in about 6 to 9 months is probably a reasonable estimate.
Thanks and thanks for the strong engine.

Best,
Gerold.

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