Author: K. Burcham
Date: 17:28:18 12/08/01
17...Nxg5 will your program play Nxg5 and lose the queen? [D] r4rk1/1bp3pp/1pn1q3/p2p1pN1/3Pn3/PPN1P1P1/2Q2PBP/R1R3K1 b - - this is a very interesting line to study. so far i am very fascinated with this queen sac. at this time it is hard for me to see what the program thinks it was getting for the queen sacrifice. the sacrifice did not pay back for the queen until many moves later, which the program could not see at the time. since this was not for material, then what? did knowledge drive this play? if you answer yes, then could you explain blacks advantage after 20...Nxe6. because in this position the program could not see the win at all. here is the position after the queen loss. [D] r4rk1/1bp3pp/1p2n3/p4p2/8/PPN1PnP1/2Q2P1P/R1R4K w - - if you play through the line, your program will finally score + for black after several moves, after losing its queen. i will study this line some more, but so far this seems to be a fantastical queen sacrifice, losing material but gaining the position, for the win. after 43.Nc3 black is up 5+ points and game is over for white [D] 4r1k1/6p1/7p/pb5P/1Pp5/P1Nn1r2/2KR4/Q7 b - - 17... Nxg5 18. Bxd5 Nf3+ 19. Kh1 Ncxd4 20. Bxe6+ Nxe6 21. Qa2 Nd2+ 22. Kg1 Ng5 23. f3 Ndxf3+ 24. Kf1 Rf7 25. Rd1 Ne5 26. h4 Ngf3 27. Ke2 Ng4 28. Nd5 Nfe5 29. Rd4 c5 30. Rd2 Re8 31. h5 h6 32. Nxb6 Ba6+ 33. Kd1 Nxe3+ 34. Kc1 f4 35. gxf4 Rxf4 36. Kb2 Nf1 37. Nd5 Rf3 38. Rxf1 Rxf1 39. Kc3 Rf3+ 40. Kc2 c4 41. b4 Nd3 42. Qa1 Bb5 43. Nc3 kburcham
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