Author: Alexander Kure
Date: 15:06:37 05/26/02
Go up one level in this thread
On May 26, 2002 at 11:20:58, Robert Hyatt wrote: [..] >I didn't have time to try the first two and have no idea if Crafty will find >them or not. But the last one is easy (for Crafty anyway): > 2 0.03 ++ 47. ... Qxa4+!! > 2 0.03 0.46 47. ... Qxa4+ 48. Kd3 Qb4 > 2-> 0.04 0.46 47. ... Qxa4+ 48. Kd3 Qb4 > 3 0.04 ++ 47. ... Qxa4+!! > 3 0.04 -0.11 47. ... Qxa4+ 48. Kxb2 Qb5+ 49. Kc2 > Qxe5 > 3-> 0.06 -0.11 47. ... Qxa4+ 48. Kxb2 Qb5+ 49. Kc2 > Qxe5 > 4 0.07 -0.04 47. ... Qxa4+ 48. Kxb2 Qb5+ 49. Kc2 > Qc4+ 50. Kb2 Qd4+ 51. Kb3 Qxe5 > 4-> 0.08 -0.04 47. ... Qxa4+ 48. Kxb2 Qb5+ 49. Kc2 > Qc4+ 50. Kb2 Qd4+ 51. Kb3 Qxe5 > 5 0.10 -0.04 47. ... Qxa4+ 48. Kxb2 Qd4+ 49. Kb3 > Qb6+ 50. Kc2 Qc7+ 51. Kb3 Qxe5 > 5-> 0.12 -0.04 47. ... Qxa4+ 48. Kxb2 Qd4+ 49. Kb3 > Qb6+ 50. Kc2 Qc7+ 51. Kb3 Qxe5 > 6 0.23 -0.13 47. ... Qxa4+ 48. Kxb2 Qd4+ 49. Ka2 > Qxe5 50. Qb6 Qd5+ 51. Ka3 h5 > 6-> 0.28 -0.13 47. ... Qxa4+ 48. Kxb2 Qd4+ 49. Ka2 > Qxe5 50. Qb6 Qd5+ 51. Ka3 h5 > 7 0.42 -0.21 47. ... Qxa4+ 48. Kxb2 Qd4+ 49. Ka2 > Qxe5 50. Qb6 Qd5+ 51. Ka3 h5 52. Qb2 > 7-> 0.48 -0.21 47. ... Qxa4+ 48. Kxb2 Qd4+ 49. Ka2 > Qxe5 50. Qb6 Qd5+ 51. Ka3 h5 52. Qb2 > 8 0.91 -0.23 47. ... Qxa4+ 48. Kxb2 Qd4+ 49. Kc2 > Qxe5 50. Qb6 Qe4+ 51. Kd1 Qc6 52. Qd8+ > Ka7 53. Qa5+ Kb8 > 8-> 1.12 -0.23 47. ... Qxa4+ 48. Kxb2 Qd4+ 49. Kc2 > Qxe5 50. Qb6 Qe4+ 51. Kd1 Qc6 52. Qd8+ > Ka7 53. Qa5+ Kb8 > 9 1.69 -0.23 47. ... Qxa4+ 48. Kxb2 Qd4+ 49. Kc2 > Qxe5 50. Qb6 Qe4+ 51. Kd1 Qc6 52. Qd8+ > Ka7 53. Qa5+ Kb8 54. Qd2 > 9-> 2.09 -0.23 47. ... Qxa4+ 48. Kxb2 Qd4+ 49. Kc2 > Qxe5 50. Qb6 Qe4+ 51. Kd1 Qc6 52. Qd8+ > Ka7 53. Qa5+ Kb8 54. Qd2 > 10 3.91 -0.27 47. ... Qxa4+ 48. Kxb2 Qd4+ 49. Kc2 > Qxe5 50. Qb6 Qe4+ 51. Kd1 Qd5+ 52. > Ke1 h5 53. Qg6 g4 54. Kf2 > 10-> 4.81 -0.27 47. ... Qxa4+ 48. Kxb2 Qd4+ 49. Kc2 > Qxe5 50. Qb6 Qe4+ 51. Kd1 Qd5+ 52. > Ke1 h5 53. Qg6 g4 54. Kf2 > 11 11.30 -0.23 47. ... Qxa4+ 48. Kxb2 Qd4+ 49. Kc2 > Qxe5 50. Qb6 Qe4+ 51. Kd1 Qd5+ 52. > Ke1 h5 53. Kf1 Qd1+ 54. Kf2 Qd2+ 55. > Kf1 Kb8 56. h3 > 11-> 14.24 -0.23 47. ... Qxa4+ 48. Kxb2 Qd4+ 49. Kc2 > Qxe5 50. Qb6 Qe4+ 51. Kd1 Qd5+ 52. > Ke1 h5 53. Kf1 Qd1+ 54. Kf2 Qd2+ 55. > Kf1 Kb8 56. h3 > 12 38.63 -0.23 47. ... Qxa4+ 48. Kxb2 Qd4+ 49. Kc2 > Qxe5 50. Qb6 h5 51. Kd3 Qd5+ 52. Ke3 > g4 53. h4 Kb8 54. Kf2 Qd2+ 55. Kg1 > 12-> 45.01 -0.23 47. ... Qxa4+ 48. Kxb2 Qd4+ 49. Kc2 > Qxe5 50. Qb6 h5 51. Kd3 Qd5+ 52. Ke3 > g4 53. h4 Kb8 54. Kf2 Qd2+ 55. Kg1 > Hi Bob, Crafty plays the right move but for the wrong reason: 47...Qxa4 48.Kxb2 and now 48...Qb5 forcing an exchange of queens thus transforming into a won pawn ending for black is the correct answer. Crafty's line is only a level queen's ending (-0.23) Greetings Alex
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