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Subject: Re: Mate in 29?

Author: Mike Byrne

Date: 16:30:47 04/13/05

Go up one level in this thread


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.



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