Author: Côme
Date: 04:47:10 05/16/00
Go up one level in this thread
On May 16, 2000 at 06:16:13, Jarkko Pesonen wrote: >On May 16, 2000 at 01:24:37, Côme wrote: > >>On May 15, 2000 at 20:36:01, Pete Galati wrote: >> >>>On May 15, 2000 at 13:57:46, Côme wrote: >>> >>>> >>>>In this position >>>>[D]r1bqk2r/1p1p1pbp/p1nQ2p1/1B2P3/8/8/PP3PPP/RNB2RK1 w kq - >>>> >>>>Does your chess programs find Nc3!! >>>>If yes interesting is in how much time ? >>>> >>>>Best Regards >>>>Alexandre Côme >>> >>>Nc3, axb5, Nxb5, ..., Nc7+? >>> >>>Maybe programs don't see axb5 as being the move to make. I couldn't find a >>>program to do Nc3 on my slow computer, but if I fed the position Nc3, axb5, then >>>Amy could work with that. >>> >>>But, for black, is there a reason why Bxe5 isn't better than axb5 (after Nc3). >>> >>>Here's Amy with after Nc3, axb5: >>> >>>[D]r1bqk2r/1p1p1pbp/2nQ2p1/1p2P3/8/2N5/PP3PPP/R1B2RK1 w kq - >>>It Time Score principal Variation >>> 1 0.0 --- 1. Nxb5 >>> 1 0.0 -3.312 1. Nxb5 >>> 1 0.7 +++ 1. Bf4 >>> 1 0.7 -2.656 1. Bf4 >>> 1 0.7 -2.656 1. Bf4 >>> 2 0.8 -2.720 1. Bf4 Qe7 >>> 2 0.9 -2.720 1. Bf4 Qe7 >>> 3 1.1 -2.832 1. Bf4 Qe7 2. Rfe1 >>> 3 1.3 -2.832 1. Bf4 Qe7 2. Rfe1 >>> 4 1.6 -2.688 1. Bf4 Qe7 2. Qxe7+ Kxe7 3. Nd5+ Kd8 4. Rfe1 >>> 4 2.1 -2.688 1. Bf4 Qe7 2. Qxe7+ Kxe7 3. Nd5+ Kd8 4. Rfe1 >>> 5 3.0 -2.512 1. Bf4 Bf8 2. Qd5 b4 3. Ne4 >>> 5 4.2 -2.512 1. Bf4 Bf8 2. Qd5 b4 3. Ne4 >>> 6 5.4 -2.656 1. Bf4 Bf8 2. Qd3 b4 3. Nd5 Bc5 >>> 6 6.9 +++ 1. Re1 >>> 6 8.2 -2.544 1. Re1 Qa5 2. Re4 Bf8 3. Qd5 Nb4 >>> 6 8.4 +++ 1. Nxb5 >>> 6 9.5 +1.264 1. Nxb5 Bxe5 2. Re1 f5 3. Bf4 Qe7 >>> 6 9.9 +1.264 1. Nxb5 Bxe5 2. Re1 f5 3. Bf4 Qe7 >>> 7 11.8 +1.408 1. Nxb5 Bxe5 2. Re1 Qe7 3. Nc7+ Kd8 4. Qxe7+ Kxe7 5. Nxa8 >>> d5 >>> 7 13.1 +1.408 1. Nxb5 Bxe5 2. Re1 Qe7 3. Nc7+ Kd8 4. Qxe7+ Kxe7 5. Nxa8 >>> d5 >>> 8 21.8 +1.568 1. Nxb5 Qh4 2. g3 Bxe5 3. Nc7+ Kd8 4. gxh4 Bxd6 5. Nxa8 >>> 8 24.2 +1.568 1. Nxb5 Qh4 2. g3 Bxe5 3. Nc7+ Kd8 4. gxh4 Bxd6 5. Nxa8 >>> 9 38.1 --- 1. Nxb5 >>> 9 43.9 +1.248 1. Nxb5 Qh4 2. g3 Bxe5 3. Nc7+ Kd8 4. gxh4 Bxd6 5. Nxa8 >>> Re8 >>> 9 54.5 +1.248 1. Nxb5 Qh4 2. g3 Bxe5 3. Nc7+ Kd8 4. gxh4 Bxd6 5. Nxa8 >>> Re8 >> >>Hello Pete, >>It's not the real reason because after Nc3!! black can play Bf8 and after >>that white must play Re1!! >>Very interesting position it's a pity that you are the only one to answer :-( >>Best Regards >>Alexandre Côme > >Crafty version 17.10 >hash table memory = 24M bytes. >pawn hash table memory = 1M bytes. >EGTB cache memory = 1M bytes. > >evaluation asymmetry -20 > > time surplus 0.00 time limit 30.00 (3:00) > nss depth time score variation (1) > 6-> 0.92 0.53 1. Ba4 Qe7 2. Bxc6 dxc6 3. Re1 Bg4 > 4. Bf4 > 7 1.32 0.36 1. Ba4 Qe7 2. Bxc6 dxc6 3. Re1 Kf8 > 4. Nc3 Bg4 > 7 1.95 0.42 1. Bd3 Qe7 2. Qxe7+ Nxe7 3. f4 O-O > 4. Nc3 f6 5. Bc4+ Kh8 6. exf6 Rxf6 > 7-> 3.74 0.42 1. Bd3 Qe7 2. Qxe7+ Nxe7 3. f4 O-O > 4. Nc3 f6 5. Bc4+ Kh8 6. exf6 Rxf6 > 8 4.62 0.31 1. Bd3 Qe7 2. f4 O-O 3. Re1 Re8 4. > Qxe7 Rxe7 5. Nc3 > 8 7.25 0.45 1. Bc4 Qe7 2. Re1 O-O 3. Qxe7 Nxe7 > 4. Bg5 Re8 5. Nc3 > 8-> 10.73 0.45 1. Bc4 Qe7 2. Re1 O-O 3. Qxe7 Nxe7 > 4. Bg5 Re8 5. Nc3 > 9 15.32 0.36 1. Bc4 Qe7 2. Qxe7+ Nxe7 3. f4 O-O > 4. Nc3 b5 5. Bd3 Bb7 6. Be3 <HT> > 9 23.02 0.40 1. Bd3 Qe7 2. Qxe7+ Nxe7 3. Re1 O-O > 4. Bg5 Re8 5. Nc3 h6 6. Bf6 > 9-> 35.20 0.40 1. Bd3 Qe7 2. Qxe7+ Nxe7 3. Re1 O-O > 4. Bg5 Re8 5. Nc3 h6 6. Bf6 > 10 41.86 0.42 1. Bd3 Qe7 2. Qxe7+ Nxe7 3. f4 O-O > 4. Nc3 b5 5. Be4 Nc6 6. Be3 Bb7 > 10-> 1:13 0.42 1. Bd3 Qe7 2. Qxe7+ Nxe7 3. f4 O-O > 4. Nc3 b5 5. Be4 Nc6 6. Be3 Bb7 > 11 1:29 0.43 1. Bd3 Qe7 2. Qxe7+ Nxe7 3. Re1 O-O > 4. Nc3 Nc6 5. f4 Rd8 6. Nd5 d6 7. Nf6+ > Kh8 > 11-> 3:33 0.43 1. Bd3 Qe7 2. Qxe7+ Nxe7 3. Re1 O-O > 4. Nc3 Nc6 5. f4 Rd8 6. Nd5 d6 7. Nf6+ > Kh8 > 12 5:04 0.37 1. Bd3 Qe7 2. Qxe7+ Nxe7 3. f4 f6 4. > exf6 Bxf6 5. Re1 O-O 6. Nc3 d5 7. Be3 > d4 8. Bc4+ Kh8 > 12-> 11:07 0.37 1. Bd3 Qe7 2. Qxe7+ Nxe7 3. f4 f6 4. > exf6 Bxf6 5. Re1 O-O 6. Nc3 d5 7. Be3 > d4 8. Bc4+ Kh8 > 13 13:36 0.40 1. Bd3 Qe7 2. Qxe7+ Nxe7 3. Re1 O-O > 4. Na3 Nc6 5. f4 b5 6. Be4 <HT> > 13-> 37:54 0.40 1. Bd3 Qe7 2. Qxe7+ Nxe7 3. Re1 O-O > 4. Na3 Nc6 5. f4 b5 6. Be4 <HT> > 14 46:49 0.39 1. Bd3 Qe7 2. Re1 O-O 3. Nc3 Qe6 4. > f4 Rd8 5. Nd5 Bf8 6. Nf6+ Kh8 7. Qd5 > d6 8. Qxe6 Bxe6 > 14 230:10 0.54 1. Nc3 Qe7 2. Nd5 Qxd6 3. exd6 O-O > 4. Bd3 Be5 5. Rd1 Rb8 6. h3 Kh8 7. > Nb6 Nd4 8. Bh6 > 14-> 240:41 0.54 1. Nc3 Qe7 2. Nd5 Qxd6 3. exd6 O-O > 4. Bd3 Be5 5. Rd1 Rb8 6. h3 Kh8 7. > Nb6 Nd4 8. Bh6 Hello, Interesting !! So Crafty find Nc3 only on ply 14 and 230 min in your computer !! What the speed of your computer ? Best Regards Alexandre Côme
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