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Subject: Re: attacking sac

Author: Anthony Cozzie

Date: 15:04:35 02/11/03

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On February 11, 2003 at 11:04:25, Vincent Lejeune wrote:

>
>How many time for your program to find Nxh3!
>with the idea Rd5!
>
>[D]3r2k1/ppq2pp1/2b1p2p/8/5n2/2P4P/PP3PP1/RN2QBK1 b - - 0 1

1...Qb6 2. b3 Qc5 3. h4 Qd5 4. c4 Qh5 5. g3
 = (0.42)       Depth: 8        00:00:04.88     2046kN
1...Qb6 2. b3 Qc5 3. c4 e5 4. g3 Nh5 5. Qc3 Ra8
 = (0.40)       Depth: 9        00:00:12.25     5855kN
1...Qa5 2. Kh2 Qf5 3. b4 Qd5 4. Qe3 Bb5 5. Qxf4 Bxf1 6. g3
 = (0.44)       Depth: 10       00:00:30.70     15151kN
1...Qa5 2. Kh2 Qf5 3. b4 Qe4 4. Qxe4 Bxe4 5. Kg3 g5 6. h4 Kg7
 = (0.52)       Depth: 11       00:01:02.25     31440kN
1...Qa5 2. Kh2 Qf5 3. b4 Nxh3 4. Qe5 Qxe5 5. Kxh3
 + (1.02)       Depth: 12       00:01:15.44     38041kN
1...Qa5 2. Kh2 Qf5 3. Na3 Nxh3 4. f3 Nf4 5. Nc4 Qh5 6. Kg1 Qc5 7. Kh2 Nd3 8.
Bxd3
 = (1.15)       Depth: 12       00:01:52.90     57601kN
1...Nxh3 2. gxh3 Qf4 3. Bg2 Qg5 4. f3 Bxf3 5. Qf2 Bxg2 6. Qxa7 Bxh3 7. Kf2
 + (1.65)       Depth: 13       00:02:28.58     75668kN
1...Nxh3 2. gxh3 Qf4 3. Qe2 Bf3 4. Qe3 Qxe3 5. fxe3 Rd1 6. Kf2 Be4 7. a4 Rxb1 8.
Ra2
 = (1.83)       Depth: 13       00:03:18.16     101497kN
1...Nxh3 2. gxh3 Qf4 3. Qe3 Qxe3 4. fxe3 Rd1 5. Kf2 Be4 6. Bc4 Rxb1 7. Rxb1 Bxb1
8. Kf3 e5
 = (1.88)       Depth: 14       00:05:19.74     167435kN

a hard one for zappa :( and it also sees some funky way to trade queens and end
up with an extra pawn.

anthony



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