Author: stuart taylor
Date: 04:00:59 09/02/04
Go up one level in this thread
On September 01, 2004 at 21:19:53, Frank E. Oldham wrote: >On September 01, 2004 at 19:53:53, stuart taylor wrote: > >>On August 31, 2004 at 22:18:40, Vincent Lejeune wrote: >> >>>On August 31, 2004 at 21:58:14, stuart taylor wrote: >>> >>>>On August 31, 2004 at 21:31:33, Vincent Lejeune wrote: >>>> >>>>> >>>>>>[d]2kr3r/ppp1qpp1/2p5/2b2b1p/2P1pPn1/1P2P1PP/PBQPB3/RN2K2R b KQ - 0 12 >>>>>> >>>>>>12.h4!! >>>>> >>>>>AMD barton @3000+ >>>>> >>>>>Time Depth Score Positions Moves >>>>>0:00 1/8 -0.77 176924 12...Nf6 13.a3 Qe6 14.b4 Be7 15.Bf1 >>>>> Qd7 16.Nc3 >>>>>0:01 1/9 -0.82 427947 12...Nf6 13.a3 Qe6 14.b4 Be7 15.Bf1 >>>>> Qd7 16.Nc3 Kb8 >>>>>0:06 1/10 -0.78 1327528 12...Nf6 13.a3 Qe6 14.Bf1 Be7 15.Nc3 >>>>> Kb8 16.O-O-O Bc5 17.Kb1 >>>>>0:16 1/11 -0.71 4242963 12...Nf6 13.a3 Qe6 14.Bf1 Be7 15.Nc3 >>>>> Kb8 16.O-O-O c5 17.Bg2 h4 >>>>>0:33 1/11 -0.92 8541987 12...h4 13.Bxg4 Bxg4 14.hxg4 hxg3 >>>>> 15.Rg1 Rh2 16.Qc3 Qh4 17.Qxg7 Rh1 >>>>> 18.Rxh1 Qxh1+ 19.Ke2 Bxe3 >>>>>1:21 1/12 -1.75 20461179 12...h4 13.Bxg4 Bxg4 14.hxg4 hxg3 >>>>> 15.Rg1 Rh2 16.Nc3 Bxe3 17.O-O-O >>>>> Bxg1 18.Rxg1 Rdxd2 19.Qxd2 Rxd2 >>>>> 20.Kxd2 Qd6+ 21.Kc2 Qxf4 >>>>>2:43 1/13 -1.72 42207857 12...h4 13.Bxg4 Bxg4 14.hxg4 hxg3 >>>>> 15.Rg1 Rh2 16.Nc3 Rdxd2 17.Qxd2 >>>>> Rxd2 18.Kxd2 Qd8+ 19.Ke1 Bxe3 20.Rg2 >>>>> Bf2+ 21.Kf1 Qd2 22.Rd1 Qxb2 23.Nxe4 >>>>> Qxa2 24.Nxf2 gxf2 >>>> >>> >>>It's the king 3.33 (chessmaster 10th edition) and an AMD barton @ 180 mhz*12 >>>(2.16 Ghz) >>> >>>It play 13.Bxg4 in the mainline because it see 13.hxg4 is completely losing >>> >>>more later ... >> >>I would be very interested in the "more later", if possible. Maybe the computers >>which get h4 quick sometimes change their mind, and then come back again to h4 >>with much more certainty. I've seen that happen from this position. >> >>It might even be that there is stronger variation against 13.Bxg4, and best >>would be 13.Rg1. >> >>I'm also still interested about 10....Ng4 and 11....h5, although I doubt very >>much in a computer ever playing them, even if they are tactically very great. >>> >>>>Huh? That's quick! However, I would be even more impressed if I would see that >>>>it found 14....Rh1 or 15....Rh1 from the same position in a short time. >>>>Could you test it for that? >>>>And what kind of AMD and Mhz are you using? >>>> >>>> >>>>[Later, I would be staggeringly fascinated to know if your computer EVER arrives >>>>at the (possibly best moves) of 10...Ng4 and/or 11...h5. If so, I might even >>>>propose that computers have almost solved chess!] >>>> >>>>Thanks! >>>>S.Taylor > >from the position two plies earlier >2kr3r/ppp1qppp/2p5/2b2b2/2P1pPn1/1P2P1P1/PBQPB2P/RN2K2R b KQ >crafty19.16 eventually selects 11...h5 >it first sees it in ply 16, with eval -0.46, not quite high enough to depose >Rhg8 >but in ply 17 h5 wins out, eval -0.65 and improving thru ply 18 > 15-> 7:55 -0.29 1. ... Nf6 2. a3 Bd6 3. O-O h5 4. b4 > c5 5. Bxf6 Qxf6 6. Nc3 Qg6 7. Rfd1 > h4 8. Nb5 hxg3 9. Nxa7+ Kb8 > 16 13:04 -0.27 1. ... Nf6 2. a3 Bd6 3. O-O h5 4. b4 > c5 5. Nc3 h4 6. g4 Nxg4 7. Bxg4 Bxg4 > 8. Nxe4 Rh5 9. d4 cxb4 10. axb4 > 16 31:51 -0.42 1. ... h5 2. Bxg7 Rh7 3. Qc3 Bb4 4. > Qb2 Rxg7 5. Qxg7 Nxe3 6. Qb2 Ng2+ 7. > Kf1 Bh3 8. a3 Nxf4+ 9. Ke1 Nxe2 10. > axb4 > 16 39:50 -0.44 1. ... Rhg8 2. a3 g5 3. Bxg4 Bxg4 4. > b4 gxf4 5. bxc5 fxe3 6. dxe3 Rd1+ 7. > Qxd1 Bxd1 8. Kxd1 Qxc5 9. Nd2 Qxe3 > 10. Re1 Qb6 > 16-> 39:50 -0.44 1. ... Rhg8 2. a3 g5 3. Bxg4 Bxg4 4. > b4 gxf4 5. bxc5 fxe3 6. dxe3 Rd1+ 7. > Qxd1 Bxd1 8. Kxd1 Qxc5 9. Nd2 Qxe3 > 10. Re1 Qb6 (s=3) > 17 86:06 -0.46 1. ... Rhg8 2. O-O Qe6 3. Bc3 g5 4. > Bxg4 Bxg4 5. fxg5 Bf3 6. Bf6 Be7 7. > Bxe7 Qxe7 8. Nc3 Qe5 9. a4 Kb8 10. > c5 Qxc5 (s=2) > 17 124:29 -0.65 1. ... h5 2. Bxg7 Rh7 3. Qb2 Qe6 4. > Bxg4 Bxg4 5. Bf6 Rd6 6. Be5 Rd3 7. > Nc3 Bf3 8. Rf1 Qf5 9. b4 Be7 10. c5 > 17-> 134:45 -0.65 1. ... h5 2. Bxg7 Rh7 3. Qb2 Qe6 4. > Bxg4 Bxg4 5. Bf6 Rd6 6. Be5 Rd3 7. > Nc3 Bf3 8. Rf1 Qf5 9. b4 Be7 10. c5 > (s=2) > 18 219:06 -0.76 1. ... h5 2. Bxg7 Rh7 3. Qb2 Qe6 4. > Bxg4 Bxg4 5. Bf6 Rd6 6. Be5 Rd3 7. > Nc3 Bf3 8. Rf1 Qh3 9. Na4 Bb4 10. Bc3 > Bxc3 11. Nxc3 Qxh2 > 18-> 275:19 -0.76 1. ... h5 2. Bxg7 Rh7 3. Qb2 Qe6 4. > Bxg4 Bxg4 5. Bf6 Rd6 6. Be5 Rd3 7. > Nc3 Bf3 8. Rf1 Qh3 9. Na4 Bb4 10. Bc3 > Bxc3 11. Nxc3 Qxh2 >Frank This is all very fascinating, and I find it hard to understand how these programs get it, rather than more simple moves which might also gain advantage without giving a pawn etc. Is Crafty a super super genius? S.Taylor
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