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Subject: Re: TestPosition

Author: Slater Wold

Date: 16:06:17 11/14/01

Go up one level in this thread

On November 13, 2001 at 12:00:47, Michel Langeveld wrote:

>How long does your program need to see that Nxf1 is deadly lost:
>
>[D] 2r3k1/1b3p2/p4q2/2bp1NpQ/Pr6/3BP2P/3n1PPB/1R3RK1 b - - 0 30
W,S - Deep Junior 7
2r3k1/1b3p2/p4q2/2bp1NpQ/Pr6/3BP2P/3n1PPB/1R3RK1 b - - 0 1

Analysis by Deep Junior 7:

1...d4 2.Nh6+ Kg7 3.Rxb4 Bxb4
  +-  (1.70)   Depth: 3   00:00:00
1...Nxb1 2.Nh6+ Kg7 3.Nf5+ Kf8 4.Rxb1 Rxb1+
  =  (-0.24)   Depth: 3   00:00:00  2kN
1...Nxb1 2.Nh6+ Kg7 3.Nf5+ Kf8 4.Rxb1 Rxb1+
  =  (-0.24)   Depth: 3   00:00:00  2kN
1...Nxb1 2.Nh6+ Kg7 3.Nf5+ Kf8 4.Rxb1 Rxb1+
  =  (-0.24)   Depth: 3   00:00:00  2kN
1...Nxb1 2.Nh6+ Kg7 3.Nf5+ Kf8 4.Rxb1 Rxb1+
  =  (-0.24)   Depth: 3   00:00:00  2kN
1...Nxb1 2.Nh6+ Kg7 3.Nf5+ Kf8 4.Rxb1 Rxb1+
  =  (-0.24)   Depth: 3   00:00:00  2kN
1...Nxb1 2.Nh6+ Kg7 3.Nf5+ Kf8 4.Rxb1 Rxb1+
  =  (-0.24)   Depth: 3   00:00:00  2kN
1...Nxb1 2.Be5 Rh4 3.Qxh4 gxh4 4.Bxf6
  +-  (1.72)   Depth: 6   00:00:00  27kN
1...Nxf1 2.Be5 Rxb1 3.Bxb1 Ng3 4.Nh6+ Kf8 5.Bxg3
  =  (0.20)   Depth: 6   00:00:00  48kN
1...Rxb1 2.Rxb1 Nxb1 3.Bxb1 Bf8
  =  (-0.15)   Depth: 6   00:00:00  63kN
1...Rxb1 2.Nh6+ Kf8 3.Rxb1 Nxb1 4.Be5 Qe6 5.Bxb1 f6 6.Bc3
  ±  (0.73)   Depth: 9   00:00:01  1064kN
1...Rxb1 2.Rxb1 Bf8 3.Nd6 Bxd6 4.Qh7+ Kf8 5.Bxd6+ Qxd6 6.Qh8+ Ke7 7.Rxb7+ Rc7
8.Bxa6 Ne4 9.Qg7 Rxb7
  +-  (2.18)   Depth: 12   00:00:09  21108kN
1...Kf8 2.Rxb4 Bxb4 3.Rd1 Ne4 4.Bxe4 dxe4 5.Bd6+ Bxd6 6.Nxd6 Rb8 7.Qh7
  ±  (1.11)   Depth: 12   00:00:11  21712kN
1...Rc6 2.Rxb4 Bxb4 3.Rd1 Nc4 4.Nd4 Qh6 5.Qxh6 Rxh6 6.Nf5 Rc6
  ±  (1.07)   Depth: 12   00:00:15  32163kN
1...Rc6 2.Rxb4 Bxb4 3.Rd1 Bc3 4.Nd4 Bxd4 5.Qh7+ Kf8 6.exd4 Qxd4 7.Re1 Nc4 8.Rb1
  +-  (1.42)   Depth: 15   00:00:48  108218kN
1...Kf8 2.Rxb4 Bxb4 3.Rd1 Ne4 4.Bxe4 dxe4 5.Nh6 Qe7 6.Nxf7 Qxf7 7.Qxf7+ Kxf7
8.Rd7+ Kg8 9.Rxb7
  ±  (1.27)   Depth: 15   00:01:12  126820kN
1...Kf8 2.Rxb4 Bxb4 3.Rd1 Ne4 4.Bxe4 dxe4 5.Bc7 Bc3 6.Bd6+ Ke8 7.Qh7 Qh8 8.Qxh8+
Bxh8 9.Rb1 Ba8 10.Nh6
  ±  (1.35)   Depth: 18   00:04:02  522784kN
1...Kf8 2.Rxb4 Bxb4 3.Rd1 Ne4 4.Bxe4 dxe4 5.Bc7 Ke8 6.Bd6 Rd8 7.Bxb4 Rxd1+
8.Qxd1 Qxf5 9.Qd6 Qe6 10.Qb8+ Qc8
  +-  (1.58)   Depth: 21   00:58:46  3338817kN
1...Kf8 2.Rxb4
  +-  (1.88)   Depth: 23   07:25:20  3767006kN

(W,  14.11.2001)

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