Author: Bryan Hofmann
Date: 14:12:22 05/09/04
Go up one level in this thread
On May 09, 2004 at 14:17:14, Mike Byrne wrote: >On May 09, 2004 at 14:00:03, Robert Hyatt wrote: > >>On May 09, 2004 at 12:29:06, GuyHaworth wrote: >> >>> >>>... last one I think :-) >>> >>>Do you have a DTM for 2N5/5R2/8/7b/8/2k5/8/1K2n3 b >>> >>>DTZ = 1 (but then DTZ > 50): DTZ50 = 6 ... a nice quadrille of B & N. >>> >>>From Marc B, the SZ50+ v SZ50- line is: >>> >>>1. ... Bg6 2. Ka1 Nc2+ 3. Kb1 Nb4+ Kc1 4. Kc1 Nd3+ 5. Kd1 Bh5+ 6. Rf3 Bxf3# >>> >>>Alternative K moves allow Bxf7 before move 6. >>> >>>g >> >>1. ... Bg6+! 2. Ka1! Nc2+! 3. Ka2! Bxf7+! 4. Kb1 Nb4! 5. Nd6! Bg6+! >>6. Kc1! Nd3+! 7. Kb1! Kb3! 8. Nc8! Be4 9. Nd6! Bh7! 10. Ne8! Bg6! >>11. Nf6! Kc3! 12. Ka2! Nb4+! 13. Ka1! Bf5 14. Ne4+! Kb3! 15. Ng3! >>Bd3! 16. Nh5! Kc2! 17. Nf4! Ba6! 18. Ne6 Nc6 19. Ng7 Nd4! 20. Ka2! >>Nb5 21. Nf5! Bc8! 22. Ne3+! Kd3! 23. Ng2! Bb7! 24. Nf4+! Kc2! 25. >>Ne6 Be4! 26. Ka1! Kc3! 27. Nc5! Bc2 28. Nd7! Bf5! 29. Ne5! Na3 30. >>Ka2! Nc2! 31. Nf3! Be6+! 32. Kb1 Na3+ 33. Kc1! Nc4! 34. Nh2! Nb2! >>35. Nf1! Nd3+! 36. Kb1! Nc5! 37. Kc1! Bg4! 38. Ne3! Nb3+! 39. Kb1 >>Bf3! 40. Nf1! Kd3! 41. Ng3 Nd2+! 42. Kb2! Nc4+! 43. Kb3! Nd6! 44. >>Kb4! Kd4! 45. Ka5 Ke3! 46. Nf1+! Ke2! 47. Nh2! Bh5! 48. Kb6 Nf7 49. >>Kc6 Kf2! 50. Kd5! Kg1 51. Ke4! Kxh2! 52. Kf4! Bd1 53. Kf5 Kg3! 54. >>Ke4! Bf3+! 55. Kd4 Kf4! 56. Kc5 Ke3 57. Kc4 Ng5 58. Kc5 Kd3! 59. >>Kd6! Kd4! 60. Ke7! Ke5! 61. Kf8! Kf6! 62. Kg8! Nf7 63. Kf8 Nh6 64. >>Ke8 Nf5 65. Kf8 Ne7 66. Ke8 Ng6 67. Kd8 Ne5 68. Ke8 Bd5! 69. Kf8! >>Ng6+ 70. Ke8 Bc6+ 71. Kd8 Ke6! 72. Kc7! Ne5! 73. Kc8 Kd6! 74. Kd8! >>Nd3 75. Kc8 Nc5! 76. Kd8! Ba4 77. Kc8 Bd7+! 78. Kb8! Kc6! 79. Ka7! >>Kc7! 80. Ka8 Kb6! 81. Kb8 Na6+! 82. Ka8 Bc6# > >========================================================================== >I was suprised tha even with 5 man EGTB (not 6) Crafty finds the mate in 82 >instantly. > Tao is able to do this as well only looking at the KBNKB.NBB Table. But Tao will not search for a shorter mate so sees Mate in 83 moves which would cause a draw due to the 50 move limit :(
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