Author: Dann Corbit
Date: 22:17:16 05/10/02
Go up one level in this thread
On May 10, 2002 at 22:35:02, Jon Dart wrote:
>There's a known position in the Classical Nimzo-Indian as follows:
>
>[D] r4rk1/p4ppp/2P5/q1pp1b2/4n3/P7/1BQNPPPP/R3KB1R b KQ - -
>
>Crafty has a book line here continuing Rab8 c7. My database shows several games
>with this line, including Rogers-Ward, BCF ch-T 1997-8, a draw. Eliskases played
>d4 against Bololjubow in 1937, another draw. But a search from this position
>gives the continuation Ng3, with advantage to Black:
>
>
> 10 3.31 -- 1. ... Ng3
> 10 3.99 -0.98 1. ... Ng3 2. Bc3 Qc7 3. Qb3 Nxh1 4.
> Qxd5 Be6 5. Qe5 Qxe5 6. Bxe5 Rad8
> 10-> 10.66 -0.98 1. ... Ng3 2. Bc3 Qc7 3. Qb3 Nxh1 4.
> Qxd5 Be6 5. Qe5 Qxe5 6. Bxe5 Rad8
> 11 13.44 ++ 1. ... Ng3!!
> 11-> 29.14 -1.37 1. ... Ng3 2. Bc3 Qc7 3. Qb3 Nxh1 4.
> Qxd5 Be6 5. Qe5 Qxe5 6. Bxe5 Rad8
> 12 34.77 -- 1. ... Ng3
> 12 37.50 -0.87 1. ... Ng3 2. Qc3 Qxc3 3. Bxc3 Nxh1
> 4. g4 Bxg4 5. Bg2 d4 6. Ba5 Rae8 7.
> f3 d3 8. fxg4 Rxe2+
> 12-> 1:55 -0.87 1. ... Ng3 2. Qc3 Qxc3 3. Bxc3 Nxh1
> 4. g4 Bxg4 5. Bg2 d4 6. Ba5 Rae8 7.
> f3 d3 8. fxg4 Rxe2+
> 13 2:07 -0.87 1. ... Ng3 2. Qc3 Qxc3 3. Bxc3 Nxh1
> 4. g4 Bxg4 5. Bg2 d4 6. Ba5 Rae8 7.
> f3 d3 8. fxg4 Rxe2+
> time=3:20 cpu=99% mat=3 n=133137602 fh=93% nps=664k
> ext-> chk=5470267 cap=361754 pp=602423 1rep=458117 mate=32558
> predicted=0 nodes=133137602 evals=24036969
> endgame tablebase-> probes done=0 successful=0
> hashing-> trans/ref=22% pawn=6% used=99%
>
>Arasan and Hiarcs give a similar result, at least at a few minutes' search time.
>Ng3 is surprising, to say the least. Whether it's really good or not, I'm not
>sure.
List output for the same 4 rows:
E:\PROGRA~3\winboard\list>List-460.exe
List 4.60
hash=1M
40 moves in 10 minutes + 40 moves in 10 minutes
level 40 2400 2400
40 moves in 2400 minutes + 40 moves in 2400 minutes
level 1 10 0
1 moves in 10 minutes + 1 moves in 10 minutes
test \bust2.epd
\bust2.epd
black
1 -457 0 0 e4d2
1 -417 0 0 ++ e4f2
1 -328 0 0 e4f2
1 -328 0 0 e4f2
2 -322 0 0 e4f2 c2f5
2 -322 0 0 e4f2 c2f5
3 -322 1 0 e4f2 c2f5 f2h1
3 -282 2 3 ++ e4g3
3 -245 2 3 e4g3 e2e4 g3h1
3 -245 3 3 e4g3 e2e4 g3h1
4 -245 4 4 e4g3 e2e4 g3h1 e4f5
4 -245 5 5 e4g3 e2e4 g3h1 e4f5
5 -205 5 7 ++ e4g3
5 259 7 11 e4g3 c2f5 g3f5 e2e3 f8e8
5 259 7 12 e4g3 c2f5 g3f5 e2e3 f8e8
6 234 10 24 e4g3 c2f5 g3f5 e2e3 a8b8 b2e5
6 234 11 29 e4g3 c2f5 g3f5 e2e3 a8b8 b2e5
7 273 17 62 e4g3 c2c5 a5c5 h2g3 c5c6 a1c1 c6e6
7 273 20 77 e4g3 c2c5 a5c5 h2g3 c5c6 a1c1 c6e6
8 233 22 85 -- e4g3
8 86 35 177 e4g3 b2c3 f5c2 c3a5 g3h1 a1c1 c2f5 c1c5
8 86 43 236 e4g3 b2c3 f5c2 c3a5 g3h1 a1c1 c2f5 c1c5
9 85 65 396 e4g3 b2c3 f5c2 c3a5 g3h1 a1c1 c2a4 c1c5
9 85 83 538 e4g3 b2c3 f5c2 c3a5 g3h1 a1c1 c2a4 c1c5
10 65 126 853 e4g3 b2c3 f5c2 c3a5 g3h1 a1c1 c2a4 c1c5
10 65 390 2775 e4g3 b2c3 f5c2 c3a5 g3h1 a1c1 c2a4 c1c5
11 47 470 3360 e4g3 b2c3 f5c2 c3a5 g3h1 a1c1 c2g6 c1c5
11 47 962 6936 e4g3 b2c3 f5c2 c3a5 g3h1 a1c1 c2g6 c1c5
12 64 1578 11415 e4g3 c2c1 g3h1 g2g4 f5g4 f1g2 a5b5 f2f3
12 64 2447 18107 e4g3 c2c1 g3h1 g2g4 f5g4 f1g2 a5b5 f2f3
13 67 3622 26825 e4g3 c2c3 a5c3 b2c3 g3h1 g2g4 f5g4 f1g2
13 67 5933 43649 e4g3 c2c3 a5c3 b2c3 g3h1 g2g4 f5g4 f1g2
14 64 9700 70937 e4g3 c2c1 g3h1 g2g4 f5g4 f1g2 a5a6 f2f3
14 64 26654 195783 e4g3 c2c1 g3h1 g2g4 f5g4 f1g2 a5a6 f2f3
nps=729K fh=92%
found=0/1 total time=60000
white
1 -95 0 0 b2c3
1 -55 0 0 ++ e2e3
1 384 0 0 e2e3
1 396 0 0 f2f3
1 401 0 0 h1g1
1 402 0 0 c2c1
1 402 0 0 c2c1
2 388 0 0 c2c1 f8e8
2 396 0 0 f2f3 e4d2
2 406 0 1 a1c1 a5d2 c2d2
2 406 0 1 a1c1 a5d2 c2d2
3 406 0 1 a1c1 a5d2 c2d2 e4d2 e1d2
3 406 1 2 a1c1 a5d2 c2d2 e4d2 e1d2
4 366 1 3 -- a1c1
4 361 2 11 a1c1 a8b8 c6c7 a5c7 d2e4
4 361 6 28 a1c1 a8b8 c6c7 a5c7 d2e4
5 353 9 44 a1c1 a8b8 b2a1 a5d2 c2d2 e4d2 e1d2
5 353 12 63 a1c1 a8b8 b2a1 a5d2 c2d2 e4d2 e1d2
6 313 19 102 -- a1c1
6 306 23 123 a1c1 f8b8 c6c7 b8b3 b2a1 b3a3 a1b2
6 333 41 218 h1g1 a8c8 g2g4 f5g6 e2e3 e4f2
6 333 48 264 h1g1 a8c8 g2g4 f5g6 e2e3 e4f2
7 293 67 373 -- h1g1
7 281 76 420 h1g1 f8c8 e2e3 c8c6 f1c4 a8e8 e1c1
7 306 109 619 a1c1 a8b8 b2a1 e4d2 c2d2 a5a3 c6c7 b8b3
7 306 148 837 a1c1 a8b8 b2a1 e4d2 c2d2 a5a3 c6c7 b8b3
8 270 237 1396 a1c1 f8b8 b2a1 e4d2 c2d2 a5a3 c1d1 b8b3
8 285 308 1851 g2g4 e4d2 c2d2 a5d2 e1d2 f5e4 f2f3 e4c6
8 285 360 2163 g2g4 e4d2 c2d2 a5d2 e1d2 f5e4 f2f3 e4c6
9 259 451 2746 g2g4 f5g6 h1g1 a8c8 f2f3 e4d2 c2d2 a5d2
9 259 702 4306 g2g4 f5g6 h1g1 a8c8 f2f3 e4d2 c2d2 a5d2
10 219 806 4939 -- g2g4
10 211 929 5810 g2g4 f5g6 h1g1 a8b8 b2c1 e4c3 e2e4 a5b6
10 245 1519 9788 a1c1 c5c4 b2d4 e4f2 e2e4 f5e4 c2c3 a5c3
10 251 2211 14254 h1g1 a8c8 g2g4 f5g6
10 251 2600 16736 h1g1 a8c8 g2g4 f5g6
11 236 3565 22991 h1g1 a8c8 e1c1 e4d2 c2d2 a5a4 e2e3 c8c6
11 236 5398 34820 h1g1 a8c8 e1c1 e4d2 c2d2 a5a4 e2e3 c8c6
12 220 12774 83134 h1g1 f8e8 f2f3 e4d2 c2d2 a5d2 e1d2 a8b8
12 220 22923 148691 h1g1 f8e8 f2f3 e4d2 c2d2 a5d2 e1d2 a8b8
13 206 33117 217867 h1g1 f8e8 f2f3 e4d2 c2d2 a5d2 e1d2 a8b8
13 210 40836 272607 g2g4 f5g6 f2f4 e4d2 c2d2 a5d2 e1d2 g6e4
nps=666K fh=91%
found=0/2 total time=149981
white
1 118 0 0 b2d4
1 158 0 0 ++ e1c1
1 268 0 0 e1c1
1 276 0 0 b2c1
1 316 0 0 ++ b2e5
1 435 0 0 b2e5
1 435 0 0 b2e5
2 441 0 0 b2e5 b8b6
2 441 0 1 b2e5 b8b6
3 426 1 2 b2e5 b8b6 e5c7
3 426 1 3 b2e5 b8b6 e5c7
4 386 2 6 -- b2e5
4 351 3 11 b2e5 b8c8 g2g4 e4f2
4 351 5 20 b2e5 b8c8 g2g4 e4f2
5 311 5 22 -- b2e5
5 285 6 30 b2e5 b8c8 a1d1 c8c6 f2f3
5 285 13 69 b2e5 b8c8 a1d1 c8c6 f2f3
6 245 19 100 -- b2e5
6 214 20 109 b2e5 b8e8 f2f4 e4g3 e2e4 g3h1
6 254 53 310 ++ c6c7
6 267 68 401 c6c7 a5c7 d2e4 f5e4 c2d2 f8c8 f2f3 e4g6
6 267 69 406 c6c7 a5c7 d2e4 f5e4 c2d2 f8c8 f2f3 e4g6
7 243 131 778 c6c7 b8c8 g2g4 f5g6 c2d1 f8e8 f1g2 c8c7
7 243 150 899 c6c7 b8c8 g2g4 f5g6 c2d1 f8e8 f1g2 c8c7
8 203 439 2667 -- c6c7
8 127 494 3027 c6c7 b8b7 e1c1 e4g3 d2b3 f5c2 b3a5 g3h1
8 167 563 3533 ++ e1c1
8 179 596 3759 e1c1 e4f2 c2f5 f2d1 b2g7 d1f2 g7f8 a5a3
8 179 625 3958 e1c1 e4f2 c2f5 f2d1 b2g7 d1f2 g7f8 a5a3
9 149 678 4353 e1c1 e4f2 c2f5 f2d1 b2e5 d1e3 f5d3 e3f1
9 149 859 5561 e1c1 e4f2 c2f5 f2d1 b2e5 d1e3 f5d3 e3f1
10 109 895 5797 -- e1c1
10 0 994 6527 e1c1 e4f2 c2f5 b8b2 c1b2 f8b8 d2b3 f2d1
10 40 1422 9782 ++ c6c7
10 175 2465 16987 c6c7 b8b6 e1c1 e4g3 d2b3 b6b3 c2b3 g3h1
10 175 2690 18560 c6c7 b8b6 e1c1 e4g3 d2b3 b6b3 c2b3 g3h1
11 186 5983 40694 c6c7 b8b6 a1a2 f8c8 f2f3 a5d2 c2d2 e4d2
11 186 6825 46379 c6c7 b8b6 a1a2 f8c8 f2f3 a5d2 c2d2 e4d2
12 177 10567 72168 c6c7 b8b6 a1a2 f8c8 f2f3 e4d2 c2d2 a5d2
12 177 12409 84804 c6c7 b8b6 a1a2 f8c8 f2f3 e4d2 c2d2 a5d2
13 137 21194 145264 -- c6c7
13 120 42520 297117 c6c7 b8b6 g2g4 a5d2 c2d2 e4d2 g4f5 b6b2
nps=700K fh=92%
found=0/3 total time=254946
white
1 -333 0 0 f2g3
1 -293 0 0 ++ h2g3
1 -292 0 0 h2g3
1 -270 0 0 c2f5
1 -268 0 0 b2e5
1 -228 0 0 ++ e2e4
1 245 0 0 e2e4
1 245 0 0 e2e4
2 245 0 0 e2e4 g3h1
2 245 0 0 e2e4 g3h1
3 245 0 0 e2e4 g3h1 e4f5
3 245 1 0 e2e4 g3h1 e4f5
4 205 1 0 -- e2e4
4 -357 1 2 e2e4 f5e4 c2c3 a5c3
4 -317 1 2 ++ b2e5
4 -294 1 3 b2e5 f5c2 h2g3 a8b8
4 -254 1 3 ++ c2f5
4 -259 1 4 c2f5 g3f5 e2e3 f8e8
4 -256 1 4 h2g3 f5c2 e2e3
4 -256 2 6 h2g3 f5c2 e2e3
5 -258 3 9 h2g3 f5c2 a1c1 a5a4 e2e3
5 -234 3 11 c2f5 g3f5 e2e3 a8b8 b2e5
5 -234 5 21 c2f5 g3f5 e2e3 a8b8 b2e5
6 -274 5 25 -- c2f5
6 -281 7 32 c2f5 g3f5 g2g4 f5h6 f2f3 f8e8
6 -273 9 46 c2c5 a5c5 h2g3 c5c6 a1c1 c6e6
6 -273 12 61 c2c5 a5c5 h2g3 c5c6 a1c1 c6e6
7 -233 15 77 ++ c2c5
7 -227 16 84 c2c5 a5c5 h2g3 c5c6 a1c1 c6e6 e2e3
7 -187 22 128 ++ b2c3
7 -86 23 137 b2c3 f5c2 c3a5 g3h1 a1c1 c2f5 c1c5
7 -86 26 159 b2c3 f5c2 c3a5 g3h1 a1c1 c2f5 c1c5
8 -85 38 247 b2c3 f5c2 c3a5 g3h1 a1c1 c2a4 c1c5 f8e8
8 -85 46 315 b2c3 f5c2 c3a5 g3h1 a1c1 c2a4 c1c5 f8e8
9 -61 56 392 b2c3 f5c2 c3a5 g3h1 a1c1 c2a4 c1c5 f8c8
9 -61 90 638 b2c3 f5c2 c3a5 g3h1 a1c1 c2a4 c1c5 f8c8
10 -47 118 840 b2c3 f5c2 c3a5 g3h1 a1c1 c2g6 c1c5 d5d4
10 -47 157 1143 b2c3 f5c2 c3a5 g3h1 a1c1 c2g6 c1c5 d5d4
11 -87 422 3052 -- b2c3
11 -234 905 6216 b2c3 a5d8 c2b2 g3h1 c3g7 f8e8 a1c1 d8e7
11 -194 1156 7960 ++ c2c1
11 -64 1244 8577 c2c1 g3h1 g2g4 f5g4 f1g2 a5b5 f2f3 f8e8
11 -64 1334 9219 c2c1 g3h1 g2g4 f5g4 f1g2 a5b5 f2f3 f8e8
12 -88 1641 11409 c2c1 g3h1 g2g4 f5g4 f1g2 h1f2 e1f2 a5b5
12 -67 2325 16581 c2c3 a5c3 b2c3 g3h1 g2g4 f5g4 f1g2 d5d4
12 -67 2366 16901 c2c3 a5c3 b2c3 g3h1 g2g4 f5g4 f1g2 d5d4
13 -82 2524 18128 c2c3 a5c3 b2c3 g3h1 g2g4 f5g4 f2f3 g4f5
13 -82 4844 34766 c2c3 a5c3 b2c3 g3h1 g2g4 f5g4 f2f3 g4f5
14 -45 5190 37592 c2c3 a5c3 b2c3 g3h1 g2g4 f5g4 f2f3 g4e6
14 -45 10208 74654 c2c3 a5c3 b2c3 g3h1 g2g4 f5g4 f2f3 g4e6
15 -78 11853 87516 c2c3 a5c3 b2c3 g3h1 g2g4 f5g4 f2f3 g4f5
15 -78 37695 275526 c2c3 a5c3 b2c3 g3h1 g2g4 f5g4 f2f3 g4f5
16 -59 41109 302391 c2c3 a5c3 b2c3 g3h1 g2g4 f5g4 f2f3 g4f5
nps=730K fh=91%
found=0/4 total time=367412
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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