Author: James T. Walker
Date: 06:52:42 10/05/99
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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 *********************
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