Author: Hans Havermann
Date: 15:38:08 05/31/99
Go up one level in this thread
On May 28, 1999 at 23:56:35, Terry Presgrove wrote: > Anyway to the point .... when I went back over the game with Rebel10b I >discovered several wins for white but to my amazement I discovered that >18. Qg3 was not the best move......but rather( now quite obvious) nf6!! (mate in >10). Rebel10b finds in 3:23 on my k6-350 w/100M hash. Crafty 16.6(96M hash) >switches to nf6 at 2:21 but does not find mate in 20 minutes. Crafty 16.8 stays >with Qg3 for 15 minutes . Up until recently I have felt the top computer >programs were at lower GM levels but I am beginning to wonder? Perhaps Dr.Hyatt >is correct? > >The following is the position after move 17.....how long does it take your >program to find the mate? 2:37 [MacChess 5.0.1 on a G3/300 with 32 MB hash] 08/01|00:00:11| 3250601| -478| g6 Nd4 gxf7+ Kxf7 Bc4 Be6 c3 Rc8 cxd4 Bxd5 08/35|00:00:17| 4975125| -335| Qg3 Nd4 Bf3 Bf5 Qh4 f6 exf5 Nxf5 08/49|00:00:18| 5356038| -298| Nf6+ gxf6 Qg3 Kg7 Qh4 Rh8 gxf6+ Kg6 Qxh8 Qxh8 Rxh8 Kxf6 09/01|00:00:28| 8856498| -183| Nf6+ gxf6 Qg3 Kg7 Qh4 Rh8 gxf6+ Kg6 Bh5+ Rxh5 Qxh5+ Kxf6 Rf1+ Bf5 Rxf5+ Ke7 Rxf7+ 09/36|00:00:56| 17285701| -37| Qg3 Nd4 Bc4 Nb3+ Bxb3 Qd7 Nb6 Qg4 Qxg4 Bxg4 Nxa8 Rxa8 10/01|00:01:26| 26523356| +25| Qg3 Nd4 Bc4 Ne2+ Bxe2 f5 gxf6 Rxf6 Nxf6+ Qxf6 Qb3+ Qe6 Bc4 10/02|00:01:43| 32462117|+1655| Nf6+ Qxf6 gxf6 Ne7 fxg7 Ng6 Qh6 Bh3 Rxh3 f5 Qh7+ Kf7 g8=Q+ Ke8 Qgxg6+ 11/01|00:02:37| 49843180|+M10 | Nf6+ gxf6 Qg3 Kg7 Qh4 Rh8 gxf6+ Kg6 Bh5+ Rxh5 Qxh5+ Kxf6 Rf1+ Bf5 Rxf5+ Kg7 Rxf7+ Kg8 Qh7+
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