Author: Vincent Diepeveen
Date: 06:27:46 09/09/00
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On September 09, 2000 at 05:03:22, Jason Williamson wrote: >After the following: > >1. e4 c5 2. Nf3 Nc6 3. d4 cd 4. Nxd4 Nf6 5. Nc3 e5 6. Nbd5 d6 7. Bg5 a6 8. Na3 >b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bd3 Qg5!? (Actually ?! might be more approriate, >but the move IS interesting), does your program play 12. g4? In fact, I wonder >how many programs can avoid the dubious Nc7+ which wins a rook but loses the >king position. Diep needs 14 ply to see Nxa8 is not very good, g4 is +0.84, so better as the 0.74 for Nc7, yet if i play Nc7 then at 14 ply it sees it's already at most a draw for white, so where the fail high at 14 ply is a bit dubious, at 15 ply the difference is huge. Note that NUNN is not the guy who invented g4, but that it's already in ECO that 11... Qg5? g4 Kd8 gf bf5 ne3 be6 qd2 bh6 ooo qf6 bf1 Martin-Gonzales - Rivas, spain champ 1977 So it's a pretty outdated line. I didn't realize people still played Bd3, i play myself Bxb5 there and i'm happy to announce that in 40 in 2 games i have a 100% score with the Bxb5 line. Yet Bd3 is very tricky i realize now, though someone who sees that Qg5 is giving good swindling chances after Nc7 such a person probably also knows that g4 is refuting it completely :) >I tried this out on Fritz 6a, Crafty 17.11, Yace, and Comet b23. All wanted to >eat the rook. Taking the rook leads to some complications, but belive it or >not, black is doing very well there. > >12. g4 is recommended by John Nunn as the best move in that position, and after >a game where a FM played that against me I tend to belive it (man did I get >smashed into little pieces). > >JW
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