Author: Slater Wold
Date: 15:25:40 05/28/04
Go up one level in this thread
On May 28, 2004 at 18:05:16, Frank E. Oldham wrote: >On May 28, 2004 at 07:13:28, Uri Blass wrote: > >>On May 28, 2004 at 06:10:57, Uri Blass wrote: >> >>>On May 27, 2004 at 21:46:19, Slater Wold wrote: >>> >>>>On May 27, 2004 at 07:44:26, Uri Blass wrote: >>>>>[D]3rk1nr/p1p2ppp/2p1bq2/1p6/N2bP3/3B4/PPPQ1PPP/R1B2RK1 w k b6 0 11 >>>>> >>>>>Movei suggests Nc3 >>>>> >>>>>After c3 it can see a big advnatage for black. >>>>> >>>>>Uri >>>> >>>>c3 was book for Shredder. And there is no big advantage for black after it. >>>> >>>>White(11): c3 >>>> time used: 0.43 >>>> time limit 2:59 (20:59) >>>> depth time score variation (1) >>>> 7 0.05 -1.72 11. ... bxa4 12. cxd4 Qxd4 13. Qg5 >>>> Qxd3 14. Qxg7 Qd4 >>>> 7-> 0.06 -1.72 11. ... bxa4 12. cxd4 Qxd4 13. Qg5 >>>> Qxd3 14. Qxg7 Qd4 >>>> 8 0.08 -1.73 11. ... bxa4 12. cxd4 Qxd4 13. Qg5 >>>> Qxd3 14. Qxg7 Qd4 15. e5 >>>> 8-> 0.11 -1.73 11. ... bxa4 12. cxd4 Qxd4 13. Qg5 >>>> Qxd3 14. Qxg7 Qd4 15. e5 >>>> 9 0.19 -1.77 11. ... bxa4 12. cxd4 Qxd4 13. Qg5 >>>> a3 14. Rb1 Qxd3 15. Qxg7 Qd4 >>>> 9-> 0.23 -1.77 11. ... bxa4 12. cxd4 Qxd4 13. Qg5 >>>> a3 14. Rb1 Qxd3 15. Qxg7 Qd4 >>>> 10 0.39 -1.78 11. ... bxa4 12. cxd4 Qxd4 13. Qg5 >>>> a3 14. Rb1 Qxd3 15. Qxg7 Qd4 16. e5 >>>> 10-> 0.53 -1.78 11. ... bxa4 12. cxd4 Qxd4 13. Qg5 >>>> a3 14. Rb1 Qxd3 15. Qxg7 Qd4 16. e5 >>>> 11 1.12 -1.70 11. ... bxa4 12. cxd4 Qxd4 13. Rd1 >>>> Bg4 14. Re1 Qxd3 15. Qg5 Be6 16. Qxg7 >>>> Qd4 >>>> 11-> 1.53 -1.70 11. ... bxa4 12. cxd4 Qxd4 13. Rd1 >>>> Bg4 14. Re1 Qxd3 15. Qg5 Be6 16. Qxg7 >>>> Qd4 >>>> 12 2.62 -1.53 11. ... bxa4 12. cxd4 Qxd4 13. Qg5 >>>> a3 14. Be3 Qf6 15. Rad1 axb2 16. Qa5 >>>> Rd7 17. Qxa7 Kf8 >>>> 12-> 3.83 -1.53 11. ... bxa4 12. cxd4 Qxd4 13. Qg5 >>>> a3 14. Be3 Qf6 15. Rad1 axb2 16. Qa5 >>>> Rd7 17. Qxa7 Kf8 >>>> 13 6.48 -1.31 11. ... bxa4 12. cxd4 Qxd4 13. Rd1 >>>> Bg4 14. Re1 Qxd3 15. Qg5 Be6 16. Qxg7 >>>> Qd4 17. e5 Qb4 >>>> 13-> 9.34 -1.31 11. ... bxa4 12. cxd4 Qxd4 13. Rd1 >>>> Bg4 14. Re1 Qxd3 15. Qg5 Be6 16. Qxg7 >>>> Qd4 17. e5 Qb4 >>>> 14 11.69 -1 11. ... bxa4 >>>> 14 16.31 -0.83 11. ... bxa4 12. cxd4 Qxd4 13. Rd1 >>>> Bg4 14. Re1 Qxd3 15. Qg5 Be6 16. Qxg7 >>>> Qd4 17. e5 Qb4 18. Bg5 >>>> 14-> 27.34 -0.83 11. ... bxa4 12. cxd4 Qxd4 13. Rd1 >>>> Bg4 14. Re1 Qxd3 15. Qg5 Be6 16. Qxg7 >>>> Qd4 17. e5 Qb4 18. Bg5 >>>> 15 36.87 -1 11. ... bxa4 >>>> 15 48.94 -0.35 11. ... bxa4 12. cxd4 Qxd4 13. Rd1 >>>> Bg4 14. Re1 Ne7 15. Qg5 a3 16. Qxg4 >>>> axb2 17. Bxb2 Qxb2 18. Rad1 O-O 19. >>>> Qg5 Rfe8 >>>> 15-> 1:41 -0.35 11. ... bxa4 12. cxd4 Qxd4 13. Rd1 >>>> Bg4 14. Re1 Ne7 15. Qg5 a3 16. Qxg4 >>>> axb2 17. Bxb2 Qxb2 18. Rad1 O-O 19. >>>> Qg5 Rfe8 >>>> 16 2:21 -0.32 11. ... bxa4 12. cxd4 Qxd4 13. Rd1 >>>> Bg4 14. Re1 Qxd3 15. Qg5 h5 16. Qxg7 >>>> Qd4 17. e5 Qe4 18. Bg5 Qh7 19. Qxh7 >>>> Rxh7 20. Bxd8 Kxd8 >>>> time=3:01 cpu=99% mat=0 n=430424046 fh=93% nps=2.38M >>>> ext-> chk=16330089 cap=1046124 pp=216947 1rep=1407144 mate=160993 >>>> predicted=10 nodes=430424046 evals=110481009 50move=0 >>>> endgame tablebase-> probes=0 hits=0 >>>> >>>>As a matter of fact, Crafty never got an over -1.00 eval until move 52 (-1.04 @ >>>>d17). >>> >>>I think that we can agree that black is better after the opening inspite of the >>>fact that we can argue about the question how much better. >>> >>>It is not normal for white to get to an inferior position from book. >>>I did not claim that black is winning after c3 but that black has a clear >>>advantage. >>> >>>Movei gives bigger advantage for black but I will also try to use it for more >>>time to see(the score went down from 2.57 at depth 10 to 0.77 pawns >>>at depth 14). >>> >>> >>>Uri > >FYI, here's a search analysis from crafty through ply 20 -- c3 gets better as it >gets deeper: >White(1): setboard 3rk1nr/p1p2ppp/2p1bq2/1p6/N2bP3/3B4/PPPQ1PPP/R1B2RK1 w k >White(1): search c3 > 8 0.06 -1.85 1. c3 bxa4 2. cxd4 Qxd4 3. Qg5 Qxd3 > 4. Qxg7 Bc4 > 8-> 0.07 -1.85 1. c3 bxa4 2. cxd4 Qxd4 3. Qg5 Qxd3 > 4. Qxg7 Bc4 > 9 0.13 -1.84 1. c3 bxa4 2. cxd4 Qxd4 3. Qg5 a3 4. > Be3 Qxd3 5. Qxg7 axb2 6. Qxb2 > 9-> 0.14 -1.84 1. c3 bxa4 2. cxd4 Qxd4 3. Qg5 a3 4. > Be3 Qxd3 5. Qxg7 axb2 6. Qxb2 > 10 0.29 -1.89 1. c3 bxa4 2. cxd4 Qxd4 3. Qg5 a3 4. > Bf4 h6 5. Qg3 axb2 6. Rad1 > 10-> 0.30 -1.89 1. c3 bxa4 2. cxd4 Qxd4 3. Qg5 a3 4. > Bf4 h6 5. Qg3 axb2 6. Rad1 > 11 0.60 -1.76 1. c3 bxa4 2. cxd4 Qxd4 3. Qg5 h6 4. > Qg3 Qxd3 5. Qxg7 Qd4 6. e5 > 11-> 0.60 -1.76 1. c3 bxa4 2. cxd4 Qxd4 3. Qg5 h6 4. > Qg3 Qxd3 5. Qxg7 Qd4 6. e5 > 12 1.39 -1.80 1. c3 bxa4 2. cxd4 Qxd4 3. Rd1 Bg4 > 4. Re1 Qxd3 5. Qg5 Be6 6. Qxg7 Qd4 > 12-> 1.39 -1.80 1. c3 bxa4 2. cxd4 Qxd4 3. Rd1 Bg4 > 4. Re1 Qxd3 5. Qg5 Be6 6. Qxg7 Qd4 > 13 3.19 ++ 1. c3!! > 13 5.39 -1.39 1. c3 bxa4 2. cxd4 Qxd4 3. Qg5 h6 4. > Qg3 a3 5. Be3 Qxd3 6. Qxg7 axb2 7. > Rae1 b1=Q 8. Rxb1 > 13-> 5.39 -1.39 1. c3 bxa4 2. cxd4 Qxd4 3. Qg5 h6 4. > Qg3 a3 5. Be3 Qxd3 6. Qxg7 axb2 7. > Rae1 b1=Q 8. Rxb1 > 14 10.08 -1.39 1. c3 bxa4 2. cxd4 Qxd4 3. Qg5 h6 4. > Qg3 a3 5. Be3 Qxd3 6. Qxg7 axb2 7. > Rae1 b1=Q 8. Rxb1 > 14-> 10.09 -1.39 1. c3 bxa4 2. cxd4 Qxd4 3. Qg5 h6 4. > Qg3 a3 5. Be3 Qxd3 6. Qxg7 axb2 7. > Rae1 b1=Q 8. Rxb1 > 15 19.15 ++ 1. c3!! > 15 36.52 -0.72 1. c3 bxa4 2. cxd4 Qxd4 3. Qg5 a3 4. > Be3 Qf6 5. Rad1 axb2 6. Qg3 Rd7 7. > Bb1 Qg6 8. Qxg6 hxg6 9. Bxa7 > 15-> 36.53 -0.72 1. c3 bxa4 2. cxd4 Qxd4 3. Qg5 a3 4. > Be3 Qf6 5. Rad1 axb2 6. Qg3 Rd7 7. > Bb1 Qg6 8. Qxg6 hxg6 9. Bxa7 > 16 1:32 ++ 1. c3!! > 16 2:56 -0.23 1. c3 bxa4 2. cxd4 Qxd4 3. Rd1 Bg4 > 4. Re1 Nf6 5. Re3 Be6 6. Qc2 Ng4 7. > Rg3 O-O 8. Bg5 f6 > 16-> 2:56 -0.23 1. c3 bxa4 2. cxd4 Qxd4 3. Rd1 Bg4 > 4. Re1 Nf6 5. Re3 Be6 6. Qc2 Ng4 7. > Rg3 O-O 8. Bg5 f6 > 17 4:35 -0.49 1. c3 bxa4 2. cxd4 Qxd4 3. Qg5 a3 4. > Be3 Qf6 5. Rad1 axb2 6. Qc5 Bxa2 7. > Bg5 Qd6 8. Bb5 Bd5 9. Bxc6+ Bxc6 10. > Rxd6 Rxd6 11. Qxa7 > 17-> 4:35 -0.49 1. c3 bxa4 2. cxd4 Qxd4 3. Qg5 a3 4. > Be3 Qf6 5. Rad1 axb2 6. Qc5 Bxa2 7. > Bg5 Qd6 8. Bb5 Bd5 9. Bxc6+ Bxc6 10. > Rxd6 Rxd6 11. Qxa7 > 18 9:06 -0.35 1. c3 bxa4 2. cxd4 Qxd4 3. Rd1 Bg4 > 4. Re1 Qxd3 5. Qg5 h5 6. Qxg7 Qd4 7. > e5 Qe4 8. Bh6 Qh7 9. Qf8+ Kd7 10. Rad1+ > Bxd1 11. Rxd1+ Ke6 12. Rxd8 Qxh6 13. > Qxh6+ Rxh6 14. Rxg8 Kxe5 > 18-> 9:06 -0.35 1. c3 bxa4 2. cxd4 Qxd4 3. Rd1 Bg4 > 4. Re1 Qxd3 5. Qg5 h5 6. Qxg7 Qd4 7. > e5 Qe4 8. Bh6 Qh7 9. Qf8+ Kd7 10. Rad1+ > Bxd1 11. Rxd1+ Ke6 12. Rxd8 Qxh6 13. > Qxh6+ Rxh6 14. Rxg8 Kxe5 > 19 20:15 -0.38 1. c3 bxa4 2. cxd4 Qxd4 3. Rd1 Bg4 > 4. Re1 Nf6 5. Re3 Be6 6. Qe2 a3 7. > Rb1 Bxa2 8. Ra1 Be6 9. Rxa3 O-O 10. > Rf3 > 19-> 20:15 -0.38 1. c3 bxa4 2. cxd4 Qxd4 3. Rd1 Bg4 > 4. Re1 Nf6 5. Re3 Be6 6. Qe2 a3 7. > Rb1 Bxa2 8. Ra1 Be6 9. Rxa3 O-O 10. > Rf3 > 20 77:36 -0.12 1. c3 bxa4 2. cxd4 Qxd4 3. Qg5 a3 4. > Be3 Qf6 5. Rad1 Qxg5 6. Bxg5 f6 7. > Bc1 axb2 8. Bxb2 Bxa2 9. e5 Bd5 10. > Rfe1 Kf7 11. exf6 Nxf6 12. Be5 > 20-> 77:36 -0.12 1. c3 bxa4 2. cxd4 Qxd4 3. Qg5 a3 4. > Be3 Qf6 5. Rad1 Qxg5 6. Bxg5 f6 7. > Bc1 axb2 8. Bxb2 Bxa2 9. e5 Bd5 10. > Rfe1 Kf7 11. exf6 Nxf6 12. Be5 >? 21 77:45 1/30* 1. c3 >White(1): ? > time=77:56 cpu=390% mat=0 n=10705561160 fh=91% nps=2.29M > ext-> chk=388208926 cap=25057513 pp=6553331 1rep=33625061 >mate=3819027 > predicted=0 nodes=10705561160 evals=4175679692 > endgame tablebase-> probes=0 hits=0 > SMP-> split=3085 stop=490 data=9/32 cpu=304:36 elap=77:56 > >Frank That a dual with HTing or a true quad? What speed are the CPUs?
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