Author: Mihaly Szalai
Date: 08:27:43 09/17/03
Go up one level in this thread
On September 17, 2003 at 11:20:25, Uri Blass wrote: >On September 17, 2003 at 11:09:45, Anthony Cozzie wrote: > >>On September 17, 2003 at 11:04:12, Uri Blass wrote: >> >>>On September 17, 2003 at 10:50:59, Anthony Cozzie wrote: >>> >>>>On September 17, 2003 at 10:11:12, Mihaly Szalai wrote: >>>> >>>>>1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 >>>>>d5 9. exd5 e4 10. Ng5 Bg4 11. Qc2 Ne5 12. Nxe4 Nxe4 13. Qxe4 Bd6 14. d4 f5 15. >>>>>Qc2 >>>>> >>>>>[D]r2q1rk1/2p3pp/p2b4/1p1Pnp2/3P2b1/1BP5/PPQ2PPP/RNB1R1K1 b - - 0 15 >>>>> >>>>>Chessprograms are strong in tactics (so they say...) >>>>>How fast is your engine finding 15...Nf3+? >>>>> >>>>>Mihaly >>>> >>>>I should have known you wouldn't post an easy one ;) Zappa gets owned: >>>>1... Ne5-g6 2. h2-h3 Bg4-h5 3. a2-a4 Ra8-b8 4. a4xb5 a6xb5 5. Ra1-a7 Rb8-b6 6. >>>>Nb1-d2 Qd8-b8 7. Ra7-a1 Ng6-f4 8. Kg1xh2 >>>> = (-1.47) Depth: 13/33 00:05:44.89 201714kN >>>> >>>>After forcing Nf3+ gxf3 Bxf3 Re5: >>>>1... Bd6xe5 2. d4xe5 f5-f4 3. Qc2-d3 Qd8-g5 4. Kg1-f1 Bf3-g2 5. Kf1-e1 Qg5xe5 6. >>>>Qd3-e2 Ra8-e8 7. d5-d6 Kg8-h8 8. Qe2xe5 Re8xe5 9. Ke1-d1 c7xd6 >>>> = (-0.79) Depth: 12/26 00:00:51.70 30335kN >>>> >>>>So Zappa would probably play it at 14 ply, but with a very unconvincing score. >>>>I'll restart the search and see if it can come up with something more promising >>>>(its good to have two computers at work ;) >>>> >>>>anthony >>> >>>Are you sure that Bxf3 is the right move >>> >>>Fritz8 says Qh4 >>>0.41/12 for white fail high at depth 13 >>> >>>I also do not understand Re5 when Qd3 seems to me better. >>> >>>Uri >> >>gxf3 Bxf3 Re5 is what Zappa wants to play <shrug> >> >>anthony > >It seems that zappa is not materialistic enough. > >After gxf3 Qh4 it is a draw but movei needs some minutes to see a draw score >and find it only at depth 12(the score drop from 2.49 at depth 11 to 0.00 at >depth 12). > >Finding the draw score from the root position is a hard task and I need to >improve my search to find it is a reasonable time. > >Uri You can analyze this one: [Event "Zweden"] [Site "?"] [Date "1961.??.??"] [Round "?"] [White "Weibull"] [Black "End"] [Result "0-1"] [ECO "C89"] [PlyCount "50"] [EventDate "1961.??.??"] [Source ""] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. Ng5 Bg4 11. Qc2 Ne5 12. Nxe4 Nxe4 13. Qxe4 Bd6 14. d4 f5 15. Qc2 Nf3+ 16. gxf3 Qh4 17. Re5 (17. fxg4 Qxh2+ 18. Kf1 fxg4 19. Be3 Rae8) 17... Bh3 (17... Bxf3 18. Nd2 Qg4+ 19. Kf1 Qg2+ 20. Ke1) 18. Qe2 Bxe5 19. dxe5 f4 20. d6+ Kh8 21. Be6 Bxe6 22. Nd2 Rf5 23. Qe4 Rg5+ 24. Kf1 Bh3+ 25. Ke2 Re8 0-1 Mihaly
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