Author: Dan Ellwein
Date: 16:04:46 05/05/04
Go up one level in this thread
On May 05, 2004 at 11:14:09, John Merlino wrote: >On May 05, 2004 at 01:21:08, John Merlino wrote: > >>On May 05, 2004 at 01:20:31, John Merlino wrote: >> >>>On May 05, 2004 at 00:52:06, Jouni Uski wrote: >>> >>>>[D]3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - Hi John It takes CM_OffSet on a P3/850 1 hour 40 minutes to find a mate in 15... Time Depth Score Positions Moves 0:00 1/3 24.69 873 1.Nc3 Kf8 2.e3 0:00 1/3 24.69 873 1.Nc3 Kf8 2.e3 0:00 1/4 25.14 2234 1.Nc3 Kd7 2.e3 Kc8 3.Nf3 0:00 1/5 25.19 6916 1.Nc3 Qb6 2.Nf3 Qc6 3.e3 0:00 1/6 25.54 16501 1.Nc3 Kd7 2.e3 Kc8 3.Qg4+ Kb8 4.Nf3 0:00 1/6 25.55 18629 1.Nf3 Kd7 2.Nc3 Kc8 3.e3 Kb8 4.Bc4 0:00 1/7 25.45 45264 1.Nf3 Qd6 2.Nc3 Qe7 3.d3 Qb7 4.e4 Qb6 0:01 1/7 25.51 76972 1.e3 Qg5 2.Nc3 Kd8 3.Nf3 Qg6 4.Nd4 Kc8 0:02 1/8 26.31 223459 1.e3 Qg5 2.Nc3 Kd8 3.Qf3 Qh6 4.Qd5+ Kc8 5.Qa8+ Kd7 6.Bb5+ Ke7 0:05 1/9 26.50 420313 1.e3 Qg5 2.Nc3 Ke7 3.Qf3 Qa5 4.Nd5+ Kd7 5.Qf7+ Kc6 6.Bc4 Kc5 0:13 1/10 26.79 1196472 1.e3 Qg5 2.Nc3 Ke7 3.Qf3 Qc5 4.Qf6+ Kxf6 5.Ne4+ Ke6 6.Nxc5+ Kd5 7.d4 0:42 1/11 27.34 4168313 1.e3 Qg5 2.Nc3 Kd8 3.Qf3 Qc5 4.Qd5+ Qxd5 5.Nxd5 Kd7 6.Nf3 Kd6 7.Bc4 1:03 1/12 27.55 6712918 1.e3 Qg5 2.Nc3 Kd8 3.Qf3 Ke7 4.Bc4 Qe5 5.Qb7+ Kd8 6.Qd5+ Qxd5 7.Bxd5 Ke7 8.Nf3 7:38 2/13 29.65 60065216 1.e3 Kd7 2.Qh5 Kc7 3.a4 Kb8 4.Ra3 Qb6 5.Rb3 Qxb3 6.cxb3 Kb7 7.Bc4 Kb8 8.Nc3 15:18 3/14 31.29 121298646 1.e3 Kd7 2.Qh5 Kc7 3.Nc3 Kb8 4.Qb5+ Ka7 5.Qc6 Kb8 6.Ba6 Qc7 7.Qe6 Qc5 8.Nb5 Qxb5 9.Qc8+ Ka7 10.Bxb5 40:59 4/15 33.48 328198630 1.e3 Kd7 2.Qh5 Kc7 3.Qa5+ Kd7 4.Bb5+ Ke7 5.Qa7+ Kf8 6.b3 Qe7 7.Qb8+ Kf7 8.Bc4+ Kf6 9.Bb2+ Kg6 10.Qg8+ Kh6 11.Bd3 Qxe3+ 12.dxe3 1:40:14 4/15 Mate15 848520661 1.e4 Qg5 2.d4 Qg6 3.Qf3 Kd7 4.Bb5+ Ke7 5.Nc3 Qf7 6.Nd5+ Kf8 7.Bh6+ Kg8 8.Nf6+ Kh8 9.Bf8 Qxf8 10.Qh3+ Kg7 11.Qh7+ Kxf6 12.e5+ Kg5 13.Nh3+ Kg4 14.Qg6+ Kh4 15.Qg5# Dan >>>> >>>>Mate solver Chest takes hours to finalize 10 moves so I switch to playing >>>>engines. Shredder 8 announces mate with d4 after 15 minutes, but it's useless >>>>when number of moves is not displayed :-) Some engines agree, that best line >>>>is e4 Qg5 d4 Qg6 and mate in 14. Is this the best? What thinks Chessmaster? >>>> >>>>Jouni >>> >>>Not sure...yet. After forcing 1.e4 Qg5, it takes CM_SKR 1:22 to announce a Mate >>>in 12. >>> >>>Time Depth Score Positions Moves >>>1:22 1/12 Mate12 23507783 2.d4 Qg6 3.Qf3 Kd7 4.Nc3 Qe6 5.Bb5+ >>> Kc7 6.Qf8 Kb7 7.Bf4 Qc8 8.Qe7+ >>> Kb6 9.Nd5+ Kxb5 10.Qb4+ Kc6 11.Qb6+ >>> Kd7 12.Qd6+ Ke8 13.Qe7# >>>1:30 2/13 Mate12 26233063 2.d4 Qg6 3.Qf3 Ke7 4.Nc3 Qf7 5.Bg5+ >>> Kf8 6.Bh6+ Ke7 7.Nd5+ Qxd5 8.exd5 >>> Kd6 9.Qf6+ Kd7 10.Qc6+ Ke7 11.Qc7+ >>> Kf6 12.Qg7+ Kf5 13.Bd3# >>> >>>However, from the initial position, after more than 10 minutes there was still >>>no mate found, and 1.e3? Kd7? was considered best. I'll let it run overnight.... >> >>Clarification -- this is on a P4-2.4.... >> >>jm > >CM_SKR on an AMD 2500+ finally got down to Mate in 12 from the initial position >after 1:27:08. > >jm
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