Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: gandalf lost against diep with a sac

Author: Peter McKenzie

Date: 01:31:44 09/22/00

Go up one level in this thread


On September 22, 2000 at 00:41:43, Mogens Larsen wrote:

<snip>
>Now back to chess. In my ignorance I missed the fact that 14.e4 also sacrifices
>a piece. My chess abilities are not sufficient to evaluate if Nxd5 or e4 is
>best.

Yeah, I'm not sure which move is best - LambChop kept changing its mind and even
found another way to sacrifice (Rac1).  Here is Chop's output:

 0    0     0       0 g5f6
 1   84     0     100 g5f6 d7f6
 2   84     0     302 g5f6 d7f6
 3   56     0     640 f5h6
 3   58     0    1143 f5e3
 3   58     0    1664 f5e3 b5b4 g5f6 d7f6
 4   63   100    7076 f5e3 b5b4 g2h3 c8c7
 5   52   200    9565 f5h6
 5   65   300   16545 f5h6 b5b4 c3d1 f8h6 b3e3 f6e4 g5h6
 6   65   600   46433 f5h6 b5b4 c3d1 f8h6 b3e3 f6e4 g5h6
 7   74  1800  167779 f5h6 b5b4 c3d1 f8h6 g5h6 f6g4 h6g7
 8   65  7400  645884 a1c1
 8   69  9800  861839 a1c1 d7c5 d4c5 c8f5 b3a3 a6c8 g5f4 f8e7
 9   68 18500 1695217 e2e4
 9  114 25700 2401668 c3d5
 9  147 26600 2491003 c3d5 c6d5 b3e3 e8d8 a1c1 c8b7 g5f6 d7f6 e3e5 f8e7 g2d5
10  114 34600 3259943 e2e4
10  142 48800 4572658 e2e4 d5e4 c3e4 f6e4 a1e1 g6f5 g2e4 f5e4 e1e4 f8e7 e4e7 e8d
8 b3f7
11  152 86900 8168486 c3d5
11  169 113500 10948959 c3d5 c6d5 b3e3 e8d8 g2d5 g6f5 e3f3 h8g8 g5f6 d7f6 d5a8 c
8d7 e2e3
12  163 237700 22869140 e2e4


>
>Either way, here's the output:
>
>r1q1kb1r/p2n1p1p/b1p2np1/1p1p1NB1/3P4/1QN3P1/PP2PPBP/R4RK1 w kq - 0 14
>
>Analyze
> 2 65 0 230  Ne3 Bd6
> 3 81 0 1111  Ne3 Bd6 Rfc1
> 4 65 0 5243  Ne3 Bd6 a4 b4
> 5 64 30 42790  Ne3 h6 Bxf6 Nxf6 a4 bxa4 Qxa4
> 5 67 40 60886  Nh6 !!
> 5 75 50 72797  Nh6 b4 Bh3 Qb7 Bxd7+ Nxd7
> 6 51 90 132942  Nh6 b4 Bh3 Bc4 Qc2 Bg7
> 6 54 90 143094  Ne3 !!
> 6 75 130 196750  Ne3 h6 Bxf6 Nxf6 Rfc1 Qd8 a3
> 7 75 270 420090  Ne3 Bd6 Rfc1 Qb7 Bh6 b4 Bg7 bxc3 Bxh8 Qxb3
> 8 88 1180 1859475  Ne3 Be7 Rfc1 Qb7 Bh6 b4 Bg7 bxc3 Bxh8 Qxb3
> 8 91 1680 2560086  e4 !!
> 8 116 2210 3343062  e4 gxf5 exd5 c5 Rfe1+ Kd8 dxc5 Qxc5 d6 Rb8
> 9 118 3750 5632728  e4 gxf5 exd5 c5 Rfe1+ Kd8 d6 c4 Qc2 Bxd6
>10 132 11050 16995191  e4 gxf5 exd5 c5 d6 Bxd6 Rfe1+ Kf8 Bxa8 Qxa8
>11 180 30260 47475391  e4 !!
>11 200 43850 68028523  e4 gxf5 exd5 c5 Rfe1+ Kd8 d6 c4 Qb4 Rb8
>12 264 113790 181285264  e4 gxf5 exd5 h6 dxc6 hxg5 cxd7+ Nxd7 Rfe1+ Kd8
>
>About 19 minutes of analysis. I may try to run an analysis after Nxd5 and see
>what Gandalf thinks.
>
>Best wishes...
>Mogens



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.