Author: Harald Faber
Date: 22:08:38 10/05/99
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On October 05, 1999 at 09:52:42, James T. Walker wrote: >On October 05, 1999 at 01:14:03, Harald Faber wrote: > >>I remember I have heard that Junior has problems with "winning" pawns on a2/a7 >>and h2/h7. I couldn't imagine. Now I have seen it with my own eyes: >> >>[Event "Chessnet"] >>[Site "?"] >>[Date "????.??.??"] >>[Round "?"] >>[White "King 2.55"] >>[Black "Junior 5"] >>[Result "*"] >>[ECO "D49"] >>[PlyCount "43"] >> >>1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 >>a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5 12. Nxe5 axb5 13. Qf3 Bb4+ 14. Ke2 Rb8 >>15. Nc6 Bb7 16. Bf4 Qd7 17. Bxb5 O-O 18. Bxb8 Rxb8 19. Rhc1 Bd6 20. Kf1 Bxc6 >>21. Bxc6 Qa7 22. Rc2 * >> >>Now Junior5 takes the Ph2 and only is down with -1.00. After 23.g3 h5 (-1.32) >>24.Kg2 Ng4 (-1.40) 25.Rd1 Rf8 (-1.55) >> >>Black has some problems getting the bishop back into the game... >> >>So Uri, what does your latest Junior version (5.9?) play, also take the pawn? >> >>And I wonder which other programs take this pawn and which avoid this trap? >******************* >Here are some of the programs I have: >Fritz 5.32 takes 11 seconds to drop the Bxh2 so in blitz it would take it. Blitz should be no problem. >Hiarcs 7.32 does not consider it. Clever. :) Like Zarkov, one of the most underestimated programs BTW! >Nimzo 99a takes 1:58 to drop Bxh2. Oops! So I should check Nimzo7.32. :-) >Junior 5.0 keeps the move for more than 10 minutes and score is +1.19 ! >CSTal-2 never considers taking the pawn. > >Jim Walker >********************* Interesting that there are still programs which need some time to avoid to get into the piece trap.
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