Author: leonid
Date: 07:09:29 02/08/01
Go up one level in this thread
On February 08, 2001 at 09:49:16, Pete Galati wrote: >On February 08, 2001 at 08:21:44, leonid wrote: > >>Hi! >> >>If you like to solve easy (not deep) forced mate position, here is the one. >> >>[D]Nb1rkrNb/1n1pqp1b/n2qqq1n/1NNNNNNn/2BNNB2/1R2Q1R1/8/2K5 w - - >> >>Please, indicate your result. >> >>Thanks, >>Leonid. > >Crafty found the mate in 8 a little bit earlier but it had it's hashtables all >filled up, and I can't operate it at up to 96mb hashtables on my computer, so >I'm stuck with 48 at the moment. I never get around to mentioning, it's a >700mhz Celeron. > >Pete > >5 piece tablebase files found >1836kb of RAM used for TB indices and decompression tables >EGTB cache memory = 3M bytes. >hash table memory = 48M bytes. >pawn hash table memory = 5M bytes. Simply can't detain my curiosity, what is the "pawn hash table"? Special hash table just for pawns? Thanks for detailed decription! Sometime, some very interesting moments come to light. My program found at the same depth mate but I not looked by brute force. It could be that somebody will come with shorter mate. Leonid. >Crafty v18.1 > >White(1): analyze > clearing hash tables > time surplus 0.00 time limit 30.00 (3:30) > nss depth time score variation (1) > 2 2.41 8.08 1. Nfxd6+ Nxd6 2. Ndxf6+ Bxf6 3. Nxe7 > Nxc4 4. Ngxe6 Nxe3 5. Nxf6+ Kxe7 6. > Nxf8 Nxc5 7. Nxh5 Nxb3+ 8. Nxb3 Rxf8 > 9. Bxh6 > 2-> 2.47 8.08 1. Nfxd6+ Nxd6 2. Ndxf6+ Bxf6 3. Nxe7 > Nxc4 4. Ngxe6 Nxe3 5. Nxf6+ Kxe7 6. > Nxf8 Nxc5 7. Nxh5 Nxb3+ 8. Nxb3 Rxf8 > 9. Bxh6 > 3 3.27 ++ 1. Nfxd6+!! > 3 3.29 12.09 1. Nfxd6+ Q6xd6 2. Ngxf6+ Bxf6 3. Nexd6+ > Bxd6 4. Nxe7 Nxg3 > 3-> 3.38 12.09 1. Nfxd6+ Q6xd6 2. Ngxf6+ Bxf6 3. Nexd6+ > Bxd6 4. Nxe7 Nxg3 > 4 3.42 12.43 1. Nfxd6+ Q6xd6 2. Nexd6+ Qfxd6 3. > Nxd6+ Bxd6 4. Ngxe7 Nxg3 > 4-> 3.91 12.43 1. Nfxd6+ Q6xd6 2. Nexd6+ Qfxd6 3. > Nxd6+ Bxd6 4. Ngxe7 Nxg3 > 5 4.12 ++ 1. Nfxd6+!! > 5 5.91 14.30 1. Nfxd6+ Q7xd6 2. Nexd6+ Qxd6 3. Ngxf6+ > Qxf6 4. Nxf6+ Bxf6 5. Nxd7+ Be7 6. > Nxf8 Nxg3 7. Nxb7 Bxf4 8. Qxf4 Bxg5 > 9. Qxg5 Rxa8 10. Rxg3 Kxf8 11. Qxh6+ > 5-> 6.78 14.30 1. Nfxd6+ Q7xd6 2. Nexd6+ Qxd6 3. Ngxf6+ > Qxf6 4. Nxf6+ Bxf6 5. Nxd7+ Be7 6. > Nxf8 Nxg3 7. Nxb7 Bxf4 8. Qxf4 Bxg5 > 9. Qxg5 Rxa8 10. Rxg3 Kxf8 11. Qxh6+ > 6 6.98 ++ 1. Nfxd6+!! > 6 7.90 16.05 1. Nfxd6+ Q6xd6 2. Ngxf6+ Nxf6 3. Nexd6+ > Qxd6 4. Nxd6+ Bxd6 5. Ng6+ Ne4 6. Qxe4+ > Bde5 > 6-> 32.20 16.05 1. Nfxd6+ Q6xd6 2. Ngxf6+ Nxf6 3. Nexd6+ > Qxd6 4. Nxd6+ Bxd6 5. Ng6+ Ne4 6. Qxe4+ > Bde5 > 7 32.39 ++ 1. Nfxd6+!! > 7 36.94 18.31 1. Nfxd6+ Q6xd6 2. Ngxf6+ Bxf6 3. Nexd6+ > Qxd6 4. Nxd6+ Nxd6 5. Nxd7+ Ne4 6. > N7xf6+ Nxf6 7. Nxf6+ Ke7 8. Nfxe4 Rxd4 > 9. Qxd4 Bxf4+ > 7 41.70 ++ 1. Ngxf6+!! > 7 46.73 Mat08 1. Ngxf6+ Nxf6 2. Nfxd6+ Q6xd6 3. Nexd6+ > Qxd6 4. Ng6+ Ne4 5. Qxe4+ Qe6 <HT> > 7-> 1:01 Mat08 1. Ngxf6+ Nxf6 2. Nfxd6+ Q6xd6 3. Nexd6+ > Qxd6 4. Ng6+ Ne4 5. Qxe4+ Qe6 <HT> > 8 1:19 Mat08 1. Ngxf6+ Nxf6 2. Nfxd6+ Q6xd6 3. Nexd6+ > Qxd6 4. Ng6+ Ne4 5. Qxe4+ Qe6 6. Nac7+ > Nxc7 7. Ndxc7+ Bxc7 8. Nxc7# >White(1): exit >White(1): q >execution complete.
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