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Subject: Re: Mate in 29?

Author: pavel

Date: 09:34:15 04/14/05

Go up one level in this thread


On April 14, 2005 at 11:13:07, Uri Blass wrote:

>On April 14, 2005 at 09:45:15, pavel wrote:
>
>>On April 13, 2005 at 19:30:47, Mike Byrne wrote:
>>
>>>On April 13, 2005 at 12:24:40, pavel wrote:
>>>
>>>>[D] 3n4/rBp1p3/2P5/2PK4/k2N4/pp2R3/bppB2Rp/q1n1r1b1 w - - 0 1
>>>>
>>>>
>>>
>>>latest modified Crafty 19.20
>>>
>>>Black(1): 3n4/rBp1p3/2P5/2PK4/k2N4/pp2R3/bppB2Rp/q1n1r1b1 w - - 0 1
>>>White(1): g
>>>              time surplus   0.00  time limit 10:00 (10:00)
>>>              depth   time  score   variation (1)
>>>                4     0.05     +1   1. Rg4!!
>>>                4     0.06     +3   1. Rg4!!
>>>                4     0.08     +M   1. Rg4!!
>>>                4     0.08 -21.36   1. Rg4 Rxe3 2. Nxc2+ Re4 3. Rxe4+ Kb5
>>>                4->   0.09 -21.36   1. Rg4 Rxe3 2. Nxc2+ Re4 3. Rxe4+ Kb5
>>>                                    (s=2)
>>>                5     0.09     +1   1. Rg4!!
>>>                5     0.09     +3   1. Rg4!!
>>>                5     0.09     +M   1. Rg4!!
>>>                5     0.11   0.01   1. Rg4 h1=Q+ 2. Nf3+ Kb5 3. Rb4+ Ka5
>>>                                    4. Rb6+ Ka4 5. Rb4+ Ka5
>>>                5->   0.15   0.01   1. Rg4 h1=Q+ 2. Nf3+ Kb5 3. Rb4+ Ka5
>>>                                    4. Rb6+ Ka4 5. Rb4+ Ka5
>>>                6     0.15   0.01   1. Rg4 h1=Q+ 2. Nf3+ Kb5 3. Rb4+ Ka5
>>>                                    4. Rb6+ Ka4 5. Rb4+ Ka5
>>>                6->   0.19   0.01   1. Rg4 h1=Q+ 2. Nf3+ Kb5 3. Rb4+ Ka5
>>>                                    4. Rb6+ Ka4 5. Rb4+ Ka5 (s=2)
>>>                7     0.20   0.01   1. Rg4 h1=Q+ 2. Nf3+ Kb5 3. Rb4+ Ka5
>>>                                    4. Rb6+ Ka4 5. Rb4+ Ka5
>>>                7->   0.22   0.01   1. Rg4 h1=Q+ 2. Nf3+ Kb5 3. Rb4+ Ka5
>>>                                    4. Rb6+ Ka4 5. Rb4+ Ka5 (s=2)
>>>                8     0.28   0.01   1. Rg4 h1=Q+ 2. Nf3+ Kb5 3. Rb4+ Ka5
>>>                                    4. Rb6+ Ka4 5. Rb4+ Ka5
>>>                8->   0.33   0.01   1. Rg4 h1=Q+ 2. Nf3+ Kb5 3. Rb4+ Ka5
>>>                                    4. Rb6+ Ka4 5. Rb4+ Ka5
>>>                9     0.45   0.01   1. Rg4 h1=Q+ 2. Nf3+ Kb5 3. Rb4+ Ka5
>>>                                    4. Rb6+ Ka4 5. Rb4+ Ka5
>>>                9->   0.58   0.01   1. Rg4 h1=Q+ 2. Nf3+ Kb5 3. Rb4+ Ka5
>>>                                    4. Rb6+ Ka4 5. Rb4+ Ka5 (s=2)
>>>               10     0.89   0.01   1. Rg4 h1=Q+ 2. Nf3+ Kb5 3. Rb4+ Ka5
>>>                                    4. Rb6+ Ka4 5. Rb4+ Ka5
>>>               10->   1.26   0.01   1. Rg4 h1=Q+ 2. Nf3+ Kb5 3. Rb4+ Ka5
>>>                                    4. Rb6+ Ka4 5. Rb4+ Ka5 (s=2)
>>>               11    18.78     +1   1. Rg4!!
>>>               11    19.11     +3   1. Rg4!!
>>>               11    19.31     +M   1. Rg4!!
>>>               11    23.50  Mat29   1. Rg4 h1=Q+ 2. Nf3+ Kb5 3. Rb4+ Ka5
>>>                                    4. Rbe4+ Kb5 5. Nd4+ Ka4 6. Ne2+ Kb5
>>>                                    7. Nc3+ Ka5 8. Nxa2+ Kb5 9. Nc3+ Ka5
>>>                                    10. Ne2+ Kb5 11. Nd4+ Ka4 12. Nf3+
>>>                                    Kb5 13. Rb4+ Ka5 14. Rbxb3+ Ka4 15.
>>>                                    Rb4+ Ka5 16. Rbe4+ Kb5 17. Nd4+ Ka4
>>>                                    18. Ne2+ Kb5 19. Nc3+ Ka5 20. Na2+
>>>                                    Kb5 21. Ba6+ Rxa6 22. Nc3+ Ka5 23.
>>>                                    Ne2+ Kb5 24. Nd4+ Ka4 25. Nf3+ Kb5
>>>                                    26. Rb4+ Ka5 27. Rb6+ Ka4 28. Rxa6+
>>>                                    Kb5 29. Ra5#
>>>               11->  24.37  Mat29   1. Rg4 h1=Q+ 2. Nf3+ Kb5 3. Rb4+ Ka5
>>>                                    4. Rbe4+ Kb5 5. Nd4+ Ka4 6. Ne2+ Kb5
>>>                                    7. Nc3+ Ka5 8. Nxa2+ Kb5 9. Nc3+ Ka5
>>>                                    10. Ne2+ Kb5 11. Nd4+ Ka4 12. Nf3+
>>>                                    Kb5 13. Rb4+ Ka5 14. Rbxb3+ Ka4 15.
>>>                                    Rb4+ Ka5 16. Rbe4+ Kb5 17. Nd4+ Ka4
>>>                                    18. Ne2+ Kb5 19. Nc3+ Ka5 20. Na2+
>>>                                    Kb5 21. Ba6+ Rxa6 22. Nc3+ Ka5 23.
>>>                                    Ne2+ Kb5 24. Nd4+ Ka4 25. Nf3+ Kb5
>>>                                    26. Rb4+ Ka5 27. Rb6+ Ka4 28. Rxa6+
>>>                                    Kb5 29. Ra5#
>>>?              12    24.37   1/40*  1. Rg4
>>>White(1): ?
>>>              time=26.03  cpu=195%  mat=-17  n=103223124  fh=89%  nps=3.97M
>>>              ext-> chk=6961944 cap=135577 pp=332382 1rep=1384756 mate=138894
>>>              predicted=0  nodes=103223124  evals=2504251  50move=0
>>>              endgame tablebase-> probes=0  hits=0
>>>              SMP->  split=1345  stop=119  data=8/64  cpu=50.89  elap=26.03
>>>
>>>mate in 29 moves.
>>
>>Mike could you send me this crafty version possibly compiled for an intel
>>pentium 4 processor?
>>
>>My e-mail is the same on my profile.
>>
>>pavs
>
>If you are intereted in programs that find it then you can use public Movei
>
>depth=13 +99.43 g2g4 h2h1q d4f3 a4b5 g4b4 b5a5 b4e4 a5b5 f3d4 b5a4 d4e2 a4b5
>e2c3 b5a5 c3a2 a5b5 a2c3 b5a5 c3e2 a5b5 e2d4 b5a4 d4f3 a4b5 e4b4 b5a5 b4b3 a5a4
>b3b4 a4a5 b4e4 a5b5 f3d4 b5a4 d4e2 a4b5 e2c3 b5a5 c3a2 a5b5 b7a6 a7a6 a2c3 b5a5
>c3e2 a5b5 e2d4 b5a4 d4f3 a4b5 e4b4 b5a5 b4b6 a5a4 b6a6 a4b5 a6a5
>Nodes: 29360822 NPS: 464937
>Time: 00:01:03.15

Thanks Uri. I will definately try it out.



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