Author: Uri Blass
Date: 22:53:31 08/28/02
Go up one level in this thread
On August 29, 2002 at 00:10:54, Mike Byrne wrote: >On August 28, 2002 at 23:24:37, Mike Byrne wrote: > >>On August 28, 2002 at 23:03:19, Tanya Deborah wrote: >> >>> >>>Hi CCC! >>> >>>Look the 17. Lasker move (Bxa6!!) >>> >>>Great game! Any program can find this move? >>> >>> >>> >>> >>>Lasker - Marshall (1914 St Petesburgo) >>> >>>1. e4 e5 >>>2. Nf3 Nf6 >>>3. Nxe5 d6 >>>4. Nf3 Nxe4 >>>5. Qe2 Qe7 >>>6. d3 Nf6 >>>7. Bg5 Be6 >>>8. Nc3 Nbd7 >>>9. O-O-O h6 >>>10. Bh4 g5 >>>11. Bg3 Nh5 >>>12. d4 Nxg3 >>>13. hxg3 g4 >>>14. Nh4 d5 >>>15. Qb5 O-O-O >>>16. Qa5 a6 >>>17. Bxa6 bxa6 >>>18. Qxa6+ Kb8 >>>19. Nb5 Nb6 >>>20. Rd3 Qg5+ >>>21. Kb1 Bd6 >>>22. Rb3 Rhe8 >>>23. a4 Bf5 >>>24. Na7 Bd7 >>>25. a5 Qd2 >>>26. axb6 Re1+ >>>27. Ka2 c6 >>>28. Nb5 cxb5 >>>29. Qa7+ >>> >>>There are a good defence for Black after 17.Bxa6! ? Some programs seems really >>>advantage for White after this move. >>============================================================================ >>Position after 16. ...16 >>[D] 2kr1b1r/1ppnqp2/p3b2p/Q2p4/3P2pN/2N3P1/PPP2PP1/2KR1B1R w - - 0 1 > > >this is pretty deep, > > if I force: > white black > 1 Bxa6 bxa6 > 2 Qxa6+ Kb8 >and hit go - I'm failing high after 15 minutes in the 15th ply - so it would >take at least 19 or 20 ply for Crafty SE 17.16 to see this... I am not sure because Qxa6+ is check and can trigger an extension and Kb8 is the only reply for it so it also can trigger an extension. Uri
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