Author: Jorge Pichard
Date: 15:41:33 12/02/03
Go up one level in this thread
On December 02, 2003 at 18:15:31, Art Basham wrote: >[D]1b4k1/r4p2/5Pp1/8/8/8/8/2Q4K w - - 0 1 > >Qc8 mates in 13, and >Qh6 mates in 12... > >My Yace engine found both solutions right away ....and announced mate! > >This seems to be too difficult for portables becuase it takes about 13 ply to >solve. Delfi 4.4 Found Mate in 11, while Ruffian 1.0.5 found mate in 12. Delfi WB2 27 MB: 2 00:00 3.60 Qc8+ Kh7. Qxb8 3 00:00 3.30 Qc8+ Kh7. Qxb8 Ra2. 4 00:00 3.50 Qc8+ Kh7. Qxb8 Ra2. Qe5 5 00:00 3.65 Qc8+ Kh7. Qxb8 Ra6. Qh2+ Kg8. Qf2 g5. 6 00:00 5.71 Qc8+ Kh7. Qf8 Ra1+. Kg2 Ra2+. Kf3 Ra3+. Qxa3 Be5. Qf8 7 00:00 5.89 Qc8+ Kh7. Qf8 Ra1+. Kg2 Ra2+. Kf3 Ra3+. Qxa3 Be5. Qf8 Bxf6. Qxf7+ 8 00:00 7.33 Qc8+! Kh7. Qf8 Ra1+. Kg2 Ra2+. Kf3 Ra3+. Qxa3 Be5. Qe7 Bd4. Qxf7+ Kh6. 9 00:00 7.50 Qc8+ Kh7. Qf8 Ra1+. Kg2 Ra2+. Kf3 Ra3+. Qxa3 Be5. Qe7 Bd4. Qxf7+ Kh6. Ke4 10 00:00 7.49 Qc8+ Kh7. Qf8 Ra1+. Kg2 Ra2+. Kf3 Ra3+. Qxa3 Be5. Qe7 Bb2. Qxf7+ Kh6. Kf4 Bd4. 11 00:01 M12 Qc8+! Kh7. Qf8 Ra1+. Kg2 Ra2+. Kf3 Ra3+. Ke4 Ra4+. Kd5 Ra5+. Kc4 Ra4+. Kb5 Rb4+. Kc6 Rc4+. Kd5 Rd4+. Kxd4 Be5+. Kxe5 g5. Qg7# 11 00:02 M7 Qh6...! 11 00:02 M11 Qh6! Ra1+. Kg2 Ra2+. Kf3 Ra3+. Ke4 Ra4+. Kd3 Ra3+. Kc4 Ra4+. Kb5 Rb4+. Kc6 Rc4+. Kd5 Rd4+. Kxd4 Be5+. Kxe5 g5. Qg7# Delfi Ruffian 1.0.5 UCI 20 MB: 1 00:00 -9.64 Qc1a1 Ra7xa1+ 1 00:00 0.05 Qc1b1 1 00:00 0.08 Qc1d1 1 00:00 0.10 Qc1c2 1 00:00 0.11 Qc1d2 1 00:00 0.12 Qc1e3 1 00:00 0.18 Qc1g5 1 00:00 2.97 Qc1c8+ Kg8h7 Qc8xb8 2 00:00 2.43 Qc1c8+ Kg8h7 Qc8xb8 Ra7a2 3 00:00 2.53 Qc1c8+ Kg8h7 Qc8xb8 Ra7a2 Kh1g1 4 00:00 2.97 Qc1c8+ Kg8h7 Qc8xb8 Ra7a2 Qb8b3 Ra2a7 5 00:00 5.48 Qc1c8+ Kg8h7 Qc8f8 Ra7a1+ Kh1g2 Ra1a2+ Kg2f3 Ra2a3+ Qf8xa3 Bb8e5 6 00:00 5.54 Qc1c8+ Kg8h7 Qc8f8 Ra7a1+ Kh1g2 Ra1a2+ Kg2f3 Ra2a3+ Qf8xa3 Bb8e5 Qa3e7 7 00:00 7.20 Qc1c8+ Kg8h7 Qc8f8 Ra7a1+ Kh1g2 Ra1a2+ Kg2f3 Ra2a3+ Qf8xa3 g6g5 Qa3b3 Kh7g6 Qb3xb8 Kg6xf6 8 00:00 7.45 Qc1c8+ Kg8h7 Qc8f8 Ra7a1+ Kh1g2 Ra1a2+ Kg2f3 Ra2a3+ Qf8xa3 Bb8e5 Qa3e7 Be5d4 Qe7xf7+ Kh7h6 9 00:00 7.35 Qc1c8+ Kg8h7 Qc8f8 Ra7a1+ Kh1g2 Ra1a2+ Kg2f3 Ra2a3+ Qf8xa3 Kh7h6 Qa3f8+ Kh6g5 Qf8xb8 Kg5xf6 Qb8f4+ Kf6e6 10 00:00 7.61 Qc1c8+ Kg8h7 Qc8f8 Ra7a1+ Kh1g2 Ra1a2+ Kg2f3 Ra2a3+ Kf3e4 Ra3a4+ Ke4d5 Ra4a5+ Kd5c4 Ra5a4+ Kc4b3 Ra4a3+ Kb3xa3 Bb8d6+ Qf8xd6 g6g5 11 00:00 8.33 Qc1c8+ Kg8h7 Qc8f8 Ra7a1+ Kh1g2 Ra1a2+ Kg2f3 Ra2a3+ Kf3e4 Ra3a4+ Ke4d5 Ra4a5+ Kd5c4 Ra5a4+ Kc4b5 Ra4b4+ Kb5xb4 Bb8d6+ Qf8xd6 g6g5 Kb4c3 12 00:01 8.18 Qc1c8+ Kg8h7 Qc8f8 Ra7a1+ Kh1g2 Ra1a2+ Kg2f3 Ra2a3+ Kf3e4 Ra3a4+ Ke4d5 Ra4a5+ Kd5c4 Ra5a4+ Kc4b5 Ra4b4+ Kb5xb4 Bb8d6+ Qf8xd6 g6g5 Qd6d3+ Kh7h6 Kb4c3 12+ 00:01 8.68 Qc1h6 12 00:01 M12 Qc1h6 Ra7a1+ Kh1g2 Ra1a2+ Kg2f1 Ra2a1+ Kf1e2 Ra1a2+ Ke2d3 Ra2a3+ Kd3c4 Ra3a4+ Kc4b5 Ra4b4+ Kb5c6 Rb4c4+ Kc6d5 Rc4c5+ Kd5xc5 Bb8a7+ Kc5c4 Ba7d4 Qh6g7+ 13 00:01 M12 Qc1h6 Ra7a1+ Kh1g2 Ra1a2+ Kg2f1 Ra2a1+ Kf1e2 Ra1a2+ Ke2d3 Ra2a3+ Kd3c4 Ra3a4+ Kc4b5 Ra4b4+ Kb5c6 Rb4c4+ Kc6d5 Rc4c5+ Kd5xc5 Bb8a7+ Kc5c4 Ba7d4 Qh6g7+ 14 00:01 M12 Qc1h6 Ra7a1+ Kh1g2 Ra1a2+ Kg2f1 Ra2a1+ Kf1e2 Ra1a2+ Ke2d3 Ra2a3+ Kd3c4 Ra3a4+ Kc4b5 Ra4b4+ Kb5c6 Rb4c4+ Kc6d5 Rc4c5+ Kd5xc5 Bb8a7+ Kc5c4 Ba7d4 Qh6g7+ 15 00:01 M12 Qc1h6 Ra7a1+ Kh1g2 Ra1a2+ Kg2f1 Ra2a1+ Kf1e2 Ra1a2+ Ke2d3 Ra2a3+ Kd3c4 Ra3a4+ Kc4b5 Ra4b4+ Kb5c6 Rb4c4+ Kc6d5 Rc4c5+ Kd5xc5 Bb8a7+ Kc5c4 Ba7d4 Qh6g7+ 16 00:02 M12 Qc1h6 Ra7a1+ Kh1g2 Ra1a2+ Kg2f1 Ra2a1+ Kf1e2 Ra1a2+ Ke2d3 Ra2a3+ Kd3c4 Ra3a4+ Kc4b5 Ra4b4+ Kb5c6 Rb4c4+ Kc6d5 Rc4c5+ Kd5xc5 Bb8a7+ Kc5c4 Ba7d4 Qh6g7+ 17 00:03 M12 Qc1h6 Ra7a1+ Kh1g2 Ra1a2+ Kg2f1 Ra2a1+ Kf1e2 Ra1a2+ Ke2d3 Ra2a3+ Kd3c4 Ra3a4+ Kc4b5 Ra4b4+ Kb5c6 Rb4c4+ Kc6d5 Rc4c5+ Kd5xc5 Bb8a7+ Kc5c4 Ba7d4 Qh6g7+ 18 00:04 M12 Qc1h6 Ra7a1+ Kh1g2 Ra1a2+ Kg2f1 Ra2a1+ Kf1e2 Ra1a2+ Ke2d3 Ra2a3+ Kd3c4 Ra3a4+ Kc4b5 Ra4b4+ Kb5c6 Rb4c4+ Kc6d5 Rc4c5+ Kd5xc5 Bb8a7+ Kc5c4 Ba7d4 Qh6g7+ 19 00:06 M12 Qc1h6 Ra7a1+ Kh1g2 Ra1a2+ Kg2f1 Ra2a1+ Kf1e2 Ra1a2+ Ke2d3 Ra2a3+ Kd3c4 Ra3a4+ Kc4b5 Ra4b4+ Kb5c6 Rb4c4+ Kc6d5 Rc4c5+ Kd5xc5 Bb8a7+ Kc5c4 Ba7d4 Qh6g7+ 20 00:08 M12 Qc1h6 Ra7a1+ Kh1g2 Ra1a2+ Kg2f1 Ra2a1+ Kf1e2 Ra1a2+ Ke2d3 Ra2a3+ Kd3c4 Ra3a4+ Kc4b5 Ra4b4+ Kb5c6 Rb4c4+ Kc6d5 Rc4c5+ Kd5xc5 Bb8a7+ Kc5c4 Ba7d4 Qh6g7+ 21 00:12 M12 Qc1h6 Ra7a1+ Kh1g2 Ra1a2+ Kg2f1 Ra2a1+ Kf1e2 Ra1a2+ Ke2d3 Ra2a3+ Kd3c4 Ra3a4+ Kc4b5 Ra4b4+ Kb5c6 Rb4c4+ Kc6d5 Rc4c5+ Kd5xc5 Bb8a7+ Kc5c4 Ba7d4 Qh6g7+ 22 00:20 M12 Qc1h6 Ra7a1+ Kh1g2 Ra1a2+ Kg2f1 Ra2a1+ Kf1e2 Ra1a2+ Ke2d3 Ra2a3+ Kd3c4 Ra3a4+ Kc4b5 Ra4b4+ Kb5c6 Rb4c4+ Kc6d5 Rc4c5+ Kd5xc5 Bb8a7+ Kc5c4 Ba7d4 Qh6g7+ 23 00:42 M12 Qc1h6 Ra7a1+ Kh1g2 Ra1a2+ Kg2f1 Ra2a1+ Kf1e2 Ra1a2+ Ke2d3 Ra2a3+ Kd3c4 Ra3a4+ Kc4b5 Ra4b4+ Kb5c6 Rb4c4+ Kc6d5 Rc4c5+ Kd5xc5 Bb8a7+ Kc5c4 Ba7d4 Qh6g7+ 24 01:06 M12 Qc1h6 Ra7a1+ Kh1g2 Ra1a2+ Kg2f1 Ra2a1+ Kf1e2 Ra1a2+ Ke2d3 Ra2a3+ Kd3c4 Ra3a4+ Kc4b5 Ra4b4+ Kb5c6 Rb4c4+ Kc6d5 Rc4c5+ Kd5xc5 Bb8a7+ Kc5c4 Ba7d4 Qh6g7+
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