Author: Chessfun
Date: 09:36:20 03/12/00
Go up one level in this thread
On March 12, 2000 at 05:51:31, blass uri wrote: >On March 12, 2000 at 04:12:35, Chessfun wrote: > >>On March 12, 2000 at 03:36:50, blass uri wrote: >> >>>On March 12, 2000 at 02:19:03, Chessfun wrote: >>> >>>> >>>>In this game Zarkov asked 3 times if I wanted to take back Fritz >>>>move as it wasn't the best. >>>> >>>>This was after moves: 10....Na4 17....Bd7 19.....Kd8 >>>> >>>>Fritz just don't consider 18. e6 which is the winning move. >>>> >>>>Fritz at move 23.....saw a mate in 19 therefore sacking the queen. >>>> >>>>[Event "Easter Tourney"] >>>>[Site "Scarb"] >>>>[Date "2000.03.12"] >>>>[Round "1"] >>>>[White "Zarkov 5"] >>>>[Black "Fritz 6a"] >>>>[Result "1-0"] >>>>[PlyCount "57"] >>>> >>>>1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Bc4 Qc7 6. Qe2 Nb6 7. Bd3 Nc6 8. >>>>Nf3 d5 9. h3 a6 10. Bf4 Na4 11. cxd4 Nb4 12. O-O Nxd3 13. Qxd3 Nxb2 14. Qb3 >>>>Nc4 15. Nbd2 b5 16. a4 Rb8 17. Rfc1 Bd7 18. e6 Qxf4 19. exd7+ Kd8 20. axb5 >>>>axb5 21. Ne5 Nxe5 22. dxe5 Qxd2 23. Qa3 Qe1+ 24. Rxe1 Kxd7 25. Qc5 d4 26. >>>>Qxd4+ Ke8 27. Red1 f6 28. e6 b4 29. Qd7+ 1-0 >>>> >>>>This analysis of F6 for Whites 18th move: >>>> >>>>Zarkov 5 - Fritz 6a >>>>[D]1r2kb1r/2qbpppp/p7/1p1pP3/P1nP1B2/1Q3N1P/3N1PP1/R1R3K1 w k - 0 1 >>>> >>>>Analysis by Fritz 6: >>>>18.Rab1 Rc8 19.axb5 Bxb5 20.Nxc4 Bxc4 21.Qc3 e6 22.Nd2 Be7 >>>> ³ (-0.62) Depth: 8/23 00:00:02 767kN >>>>18.axb5 >>>> ³ (-0.59) Depth: 8/23 00:00:03 826kN >>>>18.axb5 axb5 19.Rab1 Ra8 20.Ra1 Rxa1 21.Rxa1 Bc6 22.Nxc4 dxc4 >>>> ³ (-0.56) Depth: 8/24 00:00:03 988kN >>>>18.axb5 axb5 19.Rab1 Bf5 20.Nxc4 dxc4 21.Rxc4 Qd8 22.Rb2 Be6 >>>> ³ (-0.62) Depth: 9/25 00:00:06 1692kN >>>>18.axb5 axb5 19.Rab1 Bf5 20.Rb2 Qb7 21.Nxc4 dxc4 22.Rxc4 Be6 >>>> ³ (-0.56) Depth: 10/30 00:00:14 4213kN >>>>18.axb5 axb5 19.Rab1 Bf5 20.Rb2 Qb7 21.Ra2 Rc8 22.Nh4 Nxd2 >>>> ³ (-0.62) Depth: 11/32 00:00:46 13072kN >>>>18.axb5 Bxb5 19.Nxc4 dxc4 20.Qc3 e6 21.Bg5 Qd7 22.Rcb1 h6 >>>> ³ (-0.47) Depth: 12/33 00:03:27 58939kN >>>>18.e6 >>>> ³ (-0.44) Depth: 12/33 00:03:44 64214kN >>>>18.e6 Qxf4 19.exd7+ Kd8 20.axb5 axb5 >>>> ³ (-0.37) Depth: 12/37 00:03:56 67685kN >>>> >>>>(Bird, Scarb 12.03.2000) >>>> >>>>So it sees it after 3:27 but prior to Bd7 when it needed >>>>to see it who knows how long?. >>> >>>Fritz6light on p200MMX can find e6 after 45 seconds at depth 10. >>> >>>It seems that there is some weong evaluation change from Fritz6light to Fritz6. >>>Finding e6 is a good positional test for chess programs. >>> >>>I say positional because programs usually find e6 before they find a tactical >>>win. >>> >>>>Zarkov 5 sees it after 2081 nodes less than 1 second. >>> >>>Thanks. >>>It seems that zarkov5 has better evaluation function. >>>What is the evaluation of zarkov5? >>> >>>Uri >> >> >>First spotted at 00:00 seconds 2081 nodes. >>Line given is e6, Qxf4, exd7+, Kxd7, axb5. >> >>Thanks. > >I asked what is the evaluation of zarkov. >Does it see a big advantage for white? > It isn't as easy to get the analysis function clipped as with F6. And the detail isn't as good. I just can post what is in the analysis window. depth 12-12 time 03:27 nodes 14355069 score 0.86 best line e6, Qxf4, exd+. This is all it will post in this line. If there is another way to get more detail or cut and paste analysis....I don't know it. Thanks. >I think that the line with Kxd7 axb5 is correct > >Junior5.9 at move 19 of black after a long time(some hours on p200) can see 1.89 >pawns advantage for white and the main line begins with 19...Kxd7 20.axb5 > >Uri
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