Author: Robert Hyatt
Date: 13:33:26 02/22/99
Go up one level in this thread
On February 22, 1999 at 15:05:32, John Stanback wrote:
>On February 22, 1999 at 13:44:42, Bruce Moreland wrote:
>
>>
>>This is another interesting FEN.
>>
>>7k/2pn1Q2/2r4p/p1qppN2/Pp1b4/1P1P2PP/2P1R2B/7K b - - 2 51
>>
>>This is the position after 51. Nf5 in the game. The problem here is to figure
>>out how long until your program thinks that white's advantage is much reduced.
>>
>>bruce
>
>Here is Zarkov's output, P2-300. It takes 3-10 seconds to see a
>big score change.
>
>00:00.1 3328 3> -461 Qf8 Qxd7 Rc5
>00:00.1 4224 3 -461 Qf8 Qxd7 Rc5
>00:00.3 9733 4> -461 Qf8 Qxd7 Rc5
>00:00.3 10880 4 -465 Qf8 Qxd7 Rc5 g4
>00:00.7 28050 5> -465 Qf8 Qxd7 Rc5 g4
>00:00.9 34176 5 -533 Qf8 Qxd7 Rf6 Nxd4 exd4 Qxc7 Rf1+ Bg1
>00:02.8 114755 6> -533 Qf8 Qxd7 Rf6 Nxd4 exd4 Qxc7 Rf1+ Bg1
>00:03.0 123287 6 -417 Qf8 Qxd7 Rd6 Qxc7 Qxf5 Qxd6 Qf1+ Bg1 Qxe2 Bxd4
>00:03.1 129711 6 -327 Qf8 Qxd7 Rd6 Qxc7 Qxf5 Qxd6 Qf1+ Bg1 Qxe2 Bxd4
>00:03.3 139392 6 -163 Qf8 Qxd7 Rd6 Qxc7 Qxf5 Kg2 Rf6 Qd8+ Rf8 Qxd5
>00:03.6 149976 7> -163 Qf8 Qxd7 Rd6 Qxc7 Qxf5 Kg2 Rf6 Qd8+ Rf8 Qxd5
>00:04.4 188416 7 -162 Qf8 Qxd7 Rd6 Qxc7 Qxf5 Kg2 Qh5 Re1
>00:05.0 218414 8> -162 Qf8 Qxd7 Rd6 Qxc7 Qxf5 Kg2 Qh5 Re1
>00:09.8 440047 8 -92 Qf8 Qxd7 Rd6 Qxc7 Qxf5 Kg2 Rf6 Qd6
>00:10.6 477148 9> -92 Qf8 Qxd7 Rd6 Qxc7 Qxf5 Qb8+ Kh7 Kg2 Rd7
>00:25.1 1144192 9 -66 Qf8 Qh5 Bb2 g4 Rf6 d4 Bxd4 Nxd4 Rf1+ Kg2 exd4
>00:26.5 1209038 10> -66 Qf8 Qh5 Bb2 g4 Rf6 d4 Bxd4 Nxd4 Rf1+ Kg2 exd4
>00:52.4 2389248 10 -87 Qf8 Qxf8+ Nxf8 Ne7 Rc5 g4 Bc3 Nf5 Kh7 Bxe5 Bxe5
>00:56.2 2559176 11> -87 Qf8 Qxf8+ Nxf8 Ne7 Rc5 g4 Bc3 Nf5 Kh7 Bxe5 Bxe5
>
>John
looks similar on my PII/300 notebook:
7-> 1.18 -5.17 1. ... Qf8 2. Qxd7 Rf6 3. Nxd4 exd4
4. Qxd5 Rf1+ 5. Bg1 c5
8 1.67 ++ 1. ... Qf8!!
8 2.07 -1.19 1. ... Qf8 2. Qxd7 Rd6 3. Qxc7 Qxf5
4. Kg2 Qh5 5. Rf2
8-> 2.32 -1.19 1. ... Qf8 2. Qxd7 Rd6 3. Qxc7 Qxf5
4. Kg2 Qh5 5. Rf2
9 2.48 -- 1. ... Qf8
9 2.90 -1.95 1. ... Qf8 2. Qxd7 Rd6 3. Qxc7 Qxf5
4. Kg2 Rf6 5. Qd8+ Rf8 6. Qxa5
9-> 3.52 -1.95 1. ... Qf8 2. Qxd7 Rd6 3. Qxc7 Qxf5
4. Kg2 Rf6 5. Qd8+ Rf8 6. Qxa5
10 6.32 ++ 1. ... Qf8!!
10 9.60 -1.17 1. ... Qf8 2. Qxd7 Rd6 3. Qxc7 Qxf5
4. Rg2 Qf1+ 5. Bg1 Rb6 6. Qd8+ Kh7
7. Qxd5 Bxg1 8. Rxg1 Qxh3#
10-> 10.43 -1.17 1. ... Qf8 2. Qxd7 Rd6 3. Qxc7 Qxf5
4. Rg2 Qf1+ 5. Bg1 Rb6 6. Qd8+ Kh7
7. Qxd5 Bxg1 8. Rxg1 Qxh3#
11 17.84 -0.91 1. ... Qf8 2. Qxd7 Rd6 3. Qxc7 Qxf5
4. Rg2 Qf1+ 5. Bg1 Bxg1 6. Qc8+ Kh7
7. Rxg1 Qf2
11-> 19.85 -0.91 1. ... Qf8 2. Qxd7 Rd6 3. Qxc7 Qxf5
4. Rg2 Qf1+ 5. Bg1 Bxg1 6. Qc8+ Kh7
7. Rxg1 Qf2
12 41.68 -0.78 1. ... Qf8 2. Qxd7 Rd6 3. Qxc7 Qxf5
4. Rg2 Qf1+ 5. Bg1 Bxg1 6. Qc8+ Kh7
7. Rxg1 Qf3+ 8. Kh2 Rf6
12-> 45.84 -0.78 1. ... Qf8 2. Qxd7 Rd6 3. Qxc7 Qxf5
4. Rg2 Qf1+ 5. Bg1 Bxg1 6. Qc8+ Kh7
7. Rxg1 Qf3+ 8. Kh2 Rf6
13 1:51 -0.70 1. ... Qf8 2. Qxf8+ Nxf8 3. g4 Re6
4. Nxd4 exd4 5. Re5 c6 6. g5 hxg5 7.
Rxg5 Re2 8. Bd6 Ne6 9. Re5 Re3
13-> 2:07 -0.70 1. ... Qf8 2. Qxf8+ Nxf8 3. g4 Re6
4. Nxd4 exd4 5. Re5 c6 6. g5 hxg5 7.
Rxg5 Re2 8. Bd6 Ne6 9. Re5 Re3
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