Author: Tord Romstad
Date: 00:31:20 02/20/06
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On February 20, 2006 at 02:31:55, Andre Reffhaug wrote: >Glaurung 1.0.2 finds a mate in 15 in about 25 seconds on an AMD 2ghz. Only 5 seconds for Glaurung 060220 on an Intel Core Duo 2 GHz (using 2 CPUs): 2 -192 16 503 h5 Kh8 hxg6 3 -192 16 733 h5 Kh8 hxg6 4 -160 16 1540 h5 Kh8 hxg6 Ng5 5 -156 16 3075 h5 Kh8 hxg6 Ng5 g4 6 -157 18 7235 h5 Kh8 hxg6 Ng5 g4 e5 dxe5 Bxe5 Nxc6 Qxc6 7 -151 21 21762 h5 Kh8 Nxc6 Qxc6 hxg6 Ng5 Ra7 8 -157 27 54552 h5 Kh8 Qxg6 Nd6 Bd3 Ne4 Be3 Ra8 9 -162 38 120157 h5 Kh8 Qxg6 Nd6 Bd3 Ne4 Be3 Ra8 Rxa8 Bxa8 10 -165 70 323586 h5 Kh8 Qxg6 Nd6 Bd3 Ne4 g4 Rbc8 Be3 e5 Bxe4 dxe4 11 -165 192 1105593 h5 Kh8 Qxg6 Ng5 Bd3 Rbc8 g4 Ne4 Be3 e5 Bxe4 dxe4 12 -192 406 2509597 h5 Kh8 Qxg6 Ng5 Bd3 Ra8 Rxa8 Rxa8 Be3 Ne4 Bxh6 Qc7 12 +9971 505 3275282 Qxg6+ Kxg6 Bd3+ Kh5 g4+ Kxg4 Rg1+ Kh3 Bf1+ Kh2 Bg3+ Kxg1 Ra1 Ra8 Rb1 Ra1 Kxa1 Ra8+ Kb2 Ra1 Kxa1 Qa7+ Na2 Qxa2+ Kxa2 Bg5 Bh3+ Bc1 Rxc1# 13 +9971 568 3841531 Qxg6+ Kxg6 Bd3+ Kh5 g4+ Kxg4 Rg1+ Kh3 Bf1+ Kh2 Bg3+ Kxg1 Ra1 Ra8 Rb1 Ra1 Kxa1 Ra8+ Kb2 Ra1 Kxa1 Qa7+ Na2 Qxa2+ Kxa2 Bg5 Bh3+ Bc1 Rxc1# 14 +9971 837 6295753 Qxg6+ Kxg6 Bd3+ Kh5 g4+ Kxg4 Rg1+ Kh3 Bf1+ Kh2 Bg3+ Kxg1 Ra1 Ra8 Rb1 Ra1 Kxa1 Ra8+ Kb2 Ra1 Kxa1 Qa7+ Na2 Qxa2+ Kxa2 Bg5 Bh3+ Bc1 Rxc1# 15 +9971 1207 9621785 Qxg6+ Kxg6 Bd3+ Kh5 g4+ Kxg4 Rg1+ Kh3 Bf1+ Kh2 Bg3+ Kxg1 Ra1 Ra8 Rb1 Ra1 Kxa1 Ra8+ Kb2 Ra1 Kxa1 Qa7+ Na2 Qxa2+ Kxa2 Bg5 Bh3+ Bc1 Rxc1# 16 +9971 3066 25844207 Qxg6+ Kxg6 Bd3+ Kh5 g4+ Kxg4 Rg1+ Kh3 Bf1+ Kh2 Bg3+ Kxg1 Ra1 Ra8 Rb1 Ra1 Kxa1 Ra8+ Kb2 Ra1 Kxa1 Qa7+ Na2 Qxa2+ Kxa2 Bg5 Bh3+ Bc1 Rxc1# 17 +9971 5451 47431317 Qxg6+ Kxg6 Bd3+ Kh5 g4+ Kxg4 Rg1+ Kh3 Bf1+ Kh2 Bg3+ Kxg1 Ra1 Ra8 Rb1 Ra1 Kxa1 Ra8+ Kb2 Ra1 Kxa1 Qa7+ Na2 Qxa2+ Kxa2 Bg5 Bh3+ Bc1 Rxc1# When using only one CPU, the solution time increases to 11 seconds: 2 -431 15 262 Qxf3 Nd6 2 -192 15 466 h5 Kh8 hxg6 3 -192 15 625 h5 Kh8 hxg6 4 -160 15 1307 h5 Kh8 hxg6 Ng5 5 -156 16 2679 h5 Kh8 hxg6 Ng5 g4 6 -157 17 6353 h5 Kh8 hxg6 Ng5 g4 e5 dxe5 Bxe5 Nxc6 Qxc6 7 -151 20 18201 h5 Kh8 Nxc6 Qxc6 hxg6 Ng5 Ra7 8 -157 28 46759 h5 Kh8 Qxg6 Nd6 Bd3 Ne4 Be3 Ra8 9 -165 66 198675 h5 Ng5 hxg6+ Kh8 g4 Rgc8 Qe3 Qc7 Nxc6 Qxc6 10 -164 139 471221 h5 Ng5 Qxg6+ Kh8 Bd3 Rgc8 Be3 Qe8 Ra7 Qxg6 Bxg6 11 -192 444 1545443 h5 Ng5 Qxg6+ Kh8 Be3 Ne4 Bd3 Ra8 Bxe4 dxe4 Nxc6 Qxc6 12 -178 1009 3536913 h5 Ng5 Qxg6+ Kh8 Be3 Ne4 Bd3 Ra8 Bxe4 dxe4 Rxa8 Bxa8 Bxh6 gxh6 Qxf6+ Kh7 12 +9971 1112 4003797 Qxg6+ Kxg6 Bd3+ Kh5 g4+ Kxg4 Rg1+ Kh3 Bf1+ Kh2 Bg3+ Kxg1 Ra1 Ra8 Rb1 Ra1 Kxa1 Ra8+ Kb2 Ra1 Kxa1 Qa7+ Na2 Qxa2+ Kxa2 Bg5 Bh3+ Bc1 Rxc1# 13 +9971 1220 4599589 Qxg6+ Kxg6 Bd3+ Kh5 g4+ Kxg4 Rg1+ Kh3 Bf1+ Kh2 Bg3+ Kxg1 Ra1 Ra8 Rb1 Ra1 Kxa1 Ra8+ Kb2 Ra1 Kxa1 Qa7+ Na2 Qxa2+ Kxa2 Bg5 Bh3+ Bc1 Rxc1# 14 +9971 1428 5740807 Qxg6+ Kxg6 Bd3+ Kh5 g4+ Kxg4 Rg1+ Kh3 Bf1+ Kh2 Bg3+ Kxg1 Ra1 Ra8 Rb1 Ra1 Kxa1 Ra8+ Kb2 Ra1 Kxa1 Qa7+ Na2 Qxa2+ Kxa2 Bg5 Bh3+ Bc1 Rxc1# 15 +9971 1987 8709340 Qxg6+ Kxg6 Bd3+ Kh5 g4+ Kxg4 Rg1+ Kh3 Bf1+ Kh2 Bg3+ Kxg1 Ra1 Ra8 Rb1 Ra1 Kxa1 Ra8+ Kb2 Ra1 Kxa1 Qa7+ Na2 Qxa2+ Kxa2 Bg5 Bh3+ Bc1 Rxc1# 16 +9971 3681 17204528 Qxg6+ Kxg6 Bd3+ Kh5 g4+ Kxg4 Rg1+ Kh3 Bf1+ Kh2 Bg3+ Kxg1 Ra1 Ra8 Rb1 Ra1 Kxa1 Ra8+ Kb2 Ra1 Kxa1 Qa7+ Na2 Qxa2+ Kxa2 Bg5 Bh3+ Bc1 Rxc1# Strange to see a forced mate where Glaurung is so much faster than Crafty. Glaurung usually isn't a great mate finder. Tord
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