Author: Dann Corbit
Date: 20:00:11 05/10/02
Go up one level in this thread
On May 10, 2002 at 22:35:02, Jon Dart wrote: >There's a known position in the Classical Nimzo-Indian as follows: > >[D] r4rk1/p4ppp/2P5/q1pp1b2/4n3/P7/1BQNPPPP/R3KB1R b KQ - - > >Crafty has a book line here continuing Rab8 c7. My database shows several games >with this line, including Rogers-Ward, BCF ch-T 1997-8, a draw. Eliskases played >d4 against Bololjubow in 1937, another draw. But a search from this position >gives the continuation Ng3, with advantage to Black: > > > 10 3.31 -- 1. ... Ng3 > 10 3.99 -0.98 1. ... Ng3 2. Bc3 Qc7 3. Qb3 Nxh1 4. > Qxd5 Be6 5. Qe5 Qxe5 6. Bxe5 Rad8 > 10-> 10.66 -0.98 1. ... Ng3 2. Bc3 Qc7 3. Qb3 Nxh1 4. > Qxd5 Be6 5. Qe5 Qxe5 6. Bxe5 Rad8 > 11 13.44 ++ 1. ... Ng3!! > 11-> 29.14 -1.37 1. ... Ng3 2. Bc3 Qc7 3. Qb3 Nxh1 4. > Qxd5 Be6 5. Qe5 Qxe5 6. Bxe5 Rad8 > 12 34.77 -- 1. ... Ng3 > 12 37.50 -0.87 1. ... Ng3 2. Qc3 Qxc3 3. Bxc3 Nxh1 > 4. g4 Bxg4 5. Bg2 d4 6. Ba5 Rae8 7. > f3 d3 8. fxg4 Rxe2+ > 12-> 1:55 -0.87 1. ... Ng3 2. Qc3 Qxc3 3. Bxc3 Nxh1 > 4. g4 Bxg4 5. Bg2 d4 6. Ba5 Rae8 7. > f3 d3 8. fxg4 Rxe2+ > 13 2:07 -0.87 1. ... Ng3 2. Qc3 Qxc3 3. Bxc3 Nxh1 > 4. g4 Bxg4 5. Bg2 d4 6. Ba5 Rae8 7. > f3 d3 8. fxg4 Rxe2+ > time=3:20 cpu=99% mat=3 n=133137602 fh=93% nps=664k > ext-> chk=5470267 cap=361754 pp=602423 1rep=458117 mate=32558 > predicted=0 nodes=133137602 evals=24036969 > endgame tablebase-> probes done=0 successful=0 > hashing-> trans/ref=22% pawn=6% used=99% > >Arasan and Hiarcs give a similar result, at least at a few minutes' search time. >Ng3 is surprising, to say the least. Whether it's really good or not, I'm not >sure. Chess Tiger: r4rk1/p4ppp/2P5/q1pp1b2/4n3/P7/1BQNPPPP/R3KB1R b KQ - ce 62; acd 15; acs 600; pv Ng3 Bc3 Qd8 e4 Nxh1 g3 Be6 Bg2 d4 Bb2 c4 c7 Qxc7 Bxh1 d3;|Ne4g3
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