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Subject: Re: Position can be seen here (Corrected)

Author: Dann Corbit

Date: 18:38:43 03/09/04

Go up one level in this thread


On March 09, 2004 at 11:24:17, Rafael Vasquez wrote:

>On March 09, 2004 at 11:23:03, Rafael Vasquez wrote:
>
>[D] r2q1rk1/p1pb2pp/2pb1n2/3p4/B1PPp3/2N5/PP2QPPP/R1B2RK1 b - - 0 12
>
>In a 5' blitz game I played 12...Ng4 and won after 13. g3 Nxh2 14.Kxh2 Qh4+
>15.Kg1 Bxg3 16.fxg3 Qxg3+ 17.Qg2 Rxf1+ 18.Kxf1 Bh3
>
>White should have played 13.h3 but was inferior already
>
>My question is: Is it better 12...Bxh2+!?
>Can you post your engine analysis?
>
>Rafael

Crafty output on 950 MHz AMD Athlon:

White(1): epdpfga \what.epd what.out
PFGA: EPD record: 1
middle-game phase
              clearing hash tables
              time surplus   0.00  time limit 16:39 (16:39)
              depth   time  score   variation (1)
                5     0.29   0.00   1. ... Ng4 2. h3 Nh2 3. Re1 Rf5
                5->   0.36   0.00   1. ... Ng4 2. h3 Nh2 3. Re1 Rf5
                6     0.44   0.13   1. ... Ng4 2. h3 Nh2 3. Re1 Rf5 4.
                                    Be3
                6->   0.97   0.13   1. ... Ng4 2. h3 Nh2 3. Re1 Rf5 4.
                                    Be3
                7     1.07     --   1. ... Ng4
                7     1.41   0.89   1. ... Ng4 2. h3 Nf6 3. c5 Be7 4. f3
                                    exf3 5. Qxf3
                7     3.14   0.28   1. ... Bb4 2. Bg5 Bg4 3. Qe3 h6 4.
                                    Bf4 Nh5
                7->   5.12   0.28   1. ... Bb4 2. Bg5 Bg4 3. Qe3 h6 4.
                                    Bf4 Nh5
                8     6.62   0.36   1. ... Bb4 2. Bg5 Bg4 3. Qe3 h6 4.
                                    Bf4 Nh5 5. Be5
                8->  11.97   0.36   1. ... Bb4 2. Bg5 Bg4 3. Qe3 h6 4.
                                    Bf4 Nh5 5. Be5
                9    17.31   0.48   1. ... Bb4 2. Bg5 h6 3. Bf4 Ng4 4.
                                    Bg3 Rb8 5. f3 Nf6 6. fxe4 Bxc3 7. bxc3
                                    Nxe4
                9    25.81   0.29   1. ... Rb8 2. c5 Be7 3. a3 Qe8 4. Qa6
                                    Rc8 5. Qxa7 Qf7
                9    41.02     ++   1. ... Qe8!!
                9    45.94  -0.09   1. ... Qe8 2. Bg5 Bxh2+ 3. Kxh2 Ng4+
                                    4. Kg3 Qh5 5. Bh4 g5 6. Rh1 gxh4+ 7.
                                    Rxh4
                9->  46.83  -0.09   1. ... Qe8 2. Bg5 Bxh2+ 3. Kxh2 Ng4+
                                    4. Kg3 Qh5 5. Bh4 g5 6. Rh1 gxh4+ 7.
                                    Rxh4
               10     1:07   0.04   1. ... Qe8 2. h3 Qg6 3. c5 Be7 4. f3
                                    Bxh3 5. Bxc6 Rad8 6. Bf4
               10->   1:17   0.04   1. ... Qe8 2. h3 Qg6 3. c5 Be7 4. f3
                                    Bxh3 5. Bxc6 Rad8 6. Bf4
               11     1:53   0.11   1. ... Qe8 2. h3 Bb4 3. Bb3 Qe6 4.
                                    cxd5 cxd5 5. f3 Bxc3 6. bxc3 Rab8 7.
                                    Bf4 Bb5
               11->   2:25   0.11   1. ... Qe8 2. h3 Bb4 3. Bb3 Qe6 4.
                                    cxd5 cxd5 5. f3 Bxc3 6. bxc3 Rab8 7.
                                    Bf4 Bb5
               12     4:22   0.01   1. ... Qe8 2. h3 Qg6 3. h4 Rad8 4.
                                    c5 Be7 5. Bg5 h6 6. Bf4 Bh3 7. f3
               12     7:05   0.00   1. ... Ng4 2. h3 Qh4 3. Be3 Bh2+ 4.
                                    Kh1 Bd6 5. cxd5 Rf3 6. Kg1 Bh2+ 7.
                                    Kh1 Bd6
               12->   9:36   0.00   1. ... Ng4 2. h3 Qh4 3. Be3 Bh2+ 4.
                                    Kh1 Bd6 5. cxd5 Rf3 6. Kg1 Bh2+ 7.
                                    Kh1 Bd6
               13    12:21  -0.02   1. ... Ng4 2. h3 Qh4 3. Bxc6 Bxc6 4.
                                    Qxg4 Qxg4 5. hxg4 dxc4 6. Re1 Rae8
                                    7. d5 Bd7 8. Be3 Bxg4 9. Bxa7
              time=16:39  cpu=94%  mat=0  n=420754838  fh=90%  nps=421K
              ext-> chk=12827522 cap=1353845 pp=343150 1rep=1334690 mate=78899
              predicted=0  nodes=420754838  evals=140595998  50move=0
              endgame tablebase-> probes=0  hits=0



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