Author: Harald Faber
Date: 22:02:57 10/05/99
Go up one level in this thread
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. >Hiarcs 7.32 does not consider it. >Nimzo 99a takes 1:58 to drop Bxh2. >Junior 5.0 keeps the move for more than 10 minutes and score is +1.19 ! >CSTal-2 never considers taking the pawn. > >Question is: What happened in the game. Was Junior punished for the move or >did it get away with it? >Jim Walker >********************* It went 22...Bxh2? 23.g3 h5 24.Kg2 Ng4 25.Rd1 Rf8 26.Qa3 Qxa3 27.bxa3 e5 28.Bf3 Nf6 and I gave up this game for black, yes, a passed pawn but black will be a rook down so I don't see any sense in playing on.
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