Author: Dieter Buerssner
Date: 15:11:34 11/24/03
Go up one level in this thread
On November 23, 2003 at 14:47:24, Will Singleton wrote:
>Looks to me that Falcon played really well. Right near the end, Falcon played
>the nice Ng4. Don't know if any other move would have held.
>
>8/8/1kB4p/1P3ppP/1K1Pp3/4P1P1/5n2/8 b - - 0 60
When I go backwards from the real game score until to move 60 for black, I get a
0.0 score. A search of the position (including a nasty
fail-high/fail-low/fail-hig sequence ...):
126180 0.188 -0.58 10t 60...Ng4 61.d5 Nxe3 62.d6 Nc2+ 63.Kc3 Ne3 64.d7
Kc7 65.Kd4 Ng4 {-10}
238129 0.308 -0.58 10. 60...Ng4 61.d5 Nxe3 62.d6 Nc2+ 63.Kc3 Ne3 64.d7
Kc7 65.Kd4 Ng4 {-10}
276696 0.362 -0.98 11-- 60...Ng4 61.d5 Nxe3 62.d6 Nc2+ 63.Kc3 Ne3 64.d7
Kc7 65.b6+ Kd8 66.b7 Nd1+ 67.Kd4 {-10}
301890 0.389 -0.98 11t 60...Ng4 61.d5 Nxe3H 62.d6H Nc2+H 63.Kc3H Ne3H
64.d7H Kc7H 65.b6+H Kd8H 66.b7H Nd1+H 67.Kd4H
{-10}
617192 0.762 -0.98 11. 60...Ng4 61.d5 Nxe3 62.d6 Nc2+ 63.Kc3 Ne3 64.d7
Kc7 65.b6+ Kd8 66.b7 Nd1+ 67.Kd4 {-10}
909509 1.138 -1.25 12t 60...Ng4 61.d5 Ne5 62.Be8 Nd3+ 63.Kc3 Kc5
64.Bg6 Kxd5 65.Bxf5 Nc5 66.Kd2 Ke5 67.Bg4 {-90}
1345559 1.629 -1.24 12t+ 60...Nd3+ 61.Kc4 Nb2+ 62.Kc3 Nd1+ 63.Kd2 Nf2
64.Bd7 Nh1 65.Bxf5 Nxg3 66.Kc3
2023334 2.381 -0.79 12t 60...Nd3+ 61.Kc4 Nb2+ 62.Kc3 Nd1+ 63.Kd2 Nf2
64.Ke2 Nh1 65.g4 fxg4 66.Bxe4 Ng3+ 67.Kd3 {-90}
2275016 2.642 -0.79 12. 60...Nd3+ 61.Kc4 Nb2+ 62.Kc3 Nd1+ 63.Kd2 Nf2
64.Ke2 Nh1 65.g4 fxg4 66.Bxe4 Ng3+ 67.Kd3 {-90}
3171089 3.658 -0.68 13t 60...Nd3+ 61.Kc4 Nb2+ 62.Kc3 Nd1+ 63.Kd2 Nf2
64.Ke2 Nh1 65.g4 fxg4 66.Bxe4 Ng3+ 67.Kd3 Kxb5
68.Bg6 {-10}
3748765 4.320 -0.68 13. 60...Nd3+ 61.Kc4 Nb2+ 62.Kc3 Nd1+ 63.Kd2 Nf2
64.Ke2 Nh1 65.g4 fxg4 66.Bxe4 Ng3+ 67.Kd3 Kxb5
68.Bg6 {-10}
5744032 6.610 -0.78 14t 60...Nd3+ 61.Kc4 Nb2+ 62.Kd5 Nd1 63.Ke6 Nxe3
64.d5 Kc7 65.d6+ Kd8 66.d7 g4 67.b6 Nc2 68.Ke5
Ne3 {-10}
7141736 8.182 -0.78 14. 60...Nd3+ 61.Kc4 Nb2+ 62.Kd5 Nd1 63.Ke6 Nxe3
64.d5 Kc7 65.d6+ Kd8 66.d7 g4 67.b6 Nc2 68.Ke5
Ne3 {-10}
10988099 12.626 -1.06 15t 60...Nd3+ 61.Kc4 Nb2+ 62.Kd5 Nd1 63.Ke6 Nxe3
64.d5 Nc4 65.d6 Nxd6 66.Kxd6 e3 67.Bf3 Kxb5
68.Ke5H g4H {-190}
14799282 16.923 -1.06 15. 60...Nd3+ 61.Kc4 Nb2+ 62.Kd5 Nd1 63.Ke6 Nxe3
64.d5 Nc4 65.d6 Nxd6 66.Kxd6 e3 67.Bf3 Kxb5
68.Ke5 g4 {-190}
29417174 36.338 -1.44 16t 60...Nd3+ 61.Kc4 f4 62.gxf4 gxf4 63.exf4 Nxf4
64.Bxe4H Nxh5H 65.d5H {-90}
32034869 39.703 -1.43 16t+ 60...Ng4 61.d5 Ne5 62.d6 Nxc6+ 63.Kc3 Kxb5
64.d7 f4 65.exf4 gxf4 66.Kc2 e3 67.d8=R
36551768 44.947 -1.20 16t 60...Ng4 61.d5 Ne5 62.Be8 Nd3+ 63.Kc4 Ne5+
64.Kd4 Nf3+ 65.Kc3 Kc5 66.Bg6 Ng1 67.Kd2 Nf3+
68.Ke2 Kxd5H 69.Bxf5H {-90}
42328502 51.754 -1.20 16. 60...Ng4 61.d5 Ne5 62.Be8 Nd3+ 63.Kc4 Ne5+
64.Kd4 Nf3+ 65.Kc3 Kc5 66.Bg6 Ng1 67.Kd2 Nf3+
68.Ke2 Kxd5 69.Bxf5 {-90}
50328265 1:01.6 -1.17 17t 60...Ng4 61.d5 Ne5 62.Be8 Nd3+ 63.Kc4 Ne5+
64.Kd4 Nf3+ 65.Kc3 Kc5 66.Bg6 Ng1 67.Kd2 Kxd5
68.Bxf5 Ke5 69.Bd7 Nf3+ 70.Ke2 {-90}
64661814 1:17.5 -1.17 17. 60...Ng4 61.d5 Ne5 62.Be8 Nd3+ 63.Kc4 Ne5+
64.Kd4 Nf3+ 65.Kc3 Kc5 66.Bg6 Ng1 67.Kd2 Kxd5
68.Bxf5 Ke5 69.Bd7 Nf3+ 70.Ke2 {-90}
80606093 1:36.2 -0.77 18++ 60...Ng4 61.d5 Ne5 62.Be8 f4 63.gxf4 gxf4
64.exf4 e3 65.d6 e2 66.Ka4
84819062 1:41.5 -0.77 18t 60...Ng4 61.d5 Ne5 {HT}
112598061 2:14.8 -0.77 18. 60...Ng4 61.d5 Ne5
124970513 2:31.0 -1.17 19-- 60...Ng4 61.d5 Ne5
154703656 3:07.2 -1.17 19t 60...Ng4 61.d5 Ne5H 62.Be8H f4H 63.gxf4H gxf4H
64.exf4H e3H 65.Kc3H e2H 66.Kd2H Nd3H 67.Kxe2H
Nxf4+H 68.Ke3H Nxd5+H 69.Kd3H Kc5H 70.Ke2H {HT}
{-90}
227235716 4:35.5 -1.17 19. 60...Ng4 61.d5 Ne5 62.Be8 f4 63.gxf4 gxf4
64.exf4 e3 65.Kc3 e2 66.Kd2 Nd3 67.Kxe2 Nxf4+
68.Ke3 Nxd5+ 69.Kd3 Kc5 70.Ke2 Nc7H {HT} {-90}
287926078 5:50.7 -0.77 20++ 60...Ng4 61.d5 Ne5 62.Be8 f4 63.gxf4 gxf4
64.exf4 e3 65.Kc3 e2 66.Kc2
308323237 6:16.1 -0.77 20t 60...Ng4 61.d5 Ne5 {HT}
442949472 9:01.6 -0.77 20. 60...Ng4 61.d5 Ne5
629659095 12:47.2 -0.46 21t 60...Ng4 61.d5 Ne5 62.Be8 f4 63.gxf4 gxf4
64.exf4 e3 65.Kc3 e2 66.Kd2 Nd3 67.Kxe2 Nxf4+
68.Kf3 Nxd5 69.Bc6 Nf6 70.Kf4 Nxh5+ 71.Ke5 {HT}
{-10}
842169248 17:08.1 -0.46 21. 60...Ng4 61.d5 Ne5 62.Be8 f4 63.gxf4 gxf4
64.exf4 e3 65.Kc3 e2 66.Kd2 Nd3 67.Kxe2 Nxf4+
68.Kf3 Nxd5 69.Bc6 Nf6 70.Kf4 Nxh5+ 71.Ke5 {HT}
{-10}
1221532912 24:53.4 -0.42 22t 60...Ng4 61.d5 Ne5 62.Be8 f4 63.gxf4 gxf4
64.exf4 e3 65.Kc3 e2 66.Kd2 Nd3 67.Kxe2 Nxf4+
68.Kf3 Nxd5 69.Bc6 Nf6 70.Kf4 Nxh5+ 71.Kf5 Ng3+
72.Ke5 {-10}
1672588334 34:02.5 -0.42 22. 60...Ng4 61.d5 Ne5 62.Be8 f4 63.gxf4 gxf4
64.exf4 e3 65.Kc3 e2 66.Kd2 Nd3 67.Kxe2 Nxf4+
68.Kf3 Nxd5 69.Bc6 Nf6 70.Kf4 Nxh5+ 71.Kf5 Ng3+
72.Ke5 {-10}
2458038133 50:05.9 -0.40 23t 60...Ng4 61.d5 Ne5 62.Be8 f4 63.gxf4 gxf4
64.exf4 e3 65.Kc3 e2 66.Kd2 Nd3 67.Kxe2 Nxf4+
68.Kf3 Nxd5 69.Bc6 Nf6 70.Kf4 Nxh5+ 71.Kf5 Ng3+
72.Ke5 Kc5 73.Ke6 {-10}
And now a search, where Ng4 is excluded from the root moves:
128997 0.158 -0.98 11-- 60...Nd1 61.d5 Nxe3 62.d6 Nc2+ 63.Kc3 Ne3 64.d7
Kc7 65.b6+ Kd8 66.b7 Nd1+ 67.Kd4 {-10}
135442 0.165 -0.98 11t 60...Nd1 61.d5 Nxe3 62.d6 {HT}
264313 0.319 -0.98 11. 60...Nd1 61.d5 Nxe3 62.d6
332937 0.403 -1.38 12-- 60...Nd1 61.d5 Nxe3 62.d6 Nc2+ 63.Kc3 Ne3 64.d7
Ng2 65.d8=Q+ Kc5
478524 0.587 -2.36 12t 60...Nd1 61.d5 Nf2 62.d6 Nd3+ 63.Kc3H Ne5H
64.Kd4H Nxc6+H 65.bxc6H Kxc6H 66.Ke5H Kb6H
67.Kxf5H Kc6H {-80}
545146 0.662 -2.35 12t+ 60...Nd3+ 61.Kc4 Kc7 62.Kd5
1607197 1.869 -0.58 12++ 60...Nd3+ 61.Kc4 Nb2+ 62.Kc3 Nd1+ 63.Kb3
1792580 2.076 -0.67 12t 60...Nd3+ 61.Kc3 Nf2 62.Kd2 Nh1 63.g4 fxg4
64.Bxe4 Ng3 65.Bg6 Kxb5 66.Kd3 Kc6 67.e4 {-10}
1921732 2.230 -0.67 12. 60...Nd3+ 61.Kc3 Nf2 62.Kd2 Nh1 63.g4 fxg4
64.Bxe4 Ng3 65.Bg6 Kxb5 66.Kd3 Kc6 67.e4 {-10}
2538294 2.898 -0.64 13t 60...Nd3+ 61.Kc3 Nf2 62.Kd2 Nh1 63.g4 fxg4
64.Bxe4 Ng3 65.Bg6 Kxb5 66.Ke1 Kc4 67.Kf2 Nh1+H
68.Ke2H {-10}
2788838 3.173 -0.64 13. 60...Nd3+ 61.Kc3 Nf2 62.Kd2 Nh1 63.g4 fxg4
64.Bxe4 Ng3 65.Bg6 Kxb5 66.Ke1 Kc4 67.Kf2 Nh1+
68.Ke2 {-10}
5301675 5.917 -1.03 14t 60...Nd3+ 61.Kc4 Nb2+ 62.Kd5 Nd1 63.Ke6 Nxe3
64.d5 Nc2 65.d6H e3H 66.d7H Na1H {HT}
6072235 6.812 -1.03 14. 60...Nd3+ 61.Kc4 Nb2+ 62.Kd5 Nd1 63.Ke6 Nxe3
64.d5 Nc2 65.d6 e3 66.d7 Na1
9092258 10.174 -1.43 15-- 60...Nd3+ 61.Kc4 Nb2+ 62.Kd5 Nd1 63.Ke6 Nxe3
64.d5 Nc2 65.d6 f4 66.d7 Kc7 67.gxf4 e3 68.Ke7
Nb4
11113058 12.343 -1.46 15t 60...Nd3+ 61.Kc4 Nb2+ 62.Kd5 Nd1 63.Ke6 f4
64.gxf4 gxf4 65.d5 fxe3H 66.d6H e2H 67.d7H
e1=QH 68.d8=Q+H Kc5H 69.Qf8+H Kd4H {-10}
15063250 16.792 -1.46 15. 60...Nd3+ 61.Kc4 Nb2+ 62.Kd5 Nd1 63.Ke6 f4
64.gxf4 gxf4 65.d5 fxe3 66.d6 e2 67.d7 e1=Q
68.d8=Q+ Kc5 69.Qf8+ Kd4 {-10}
24839976 27.221 -1.47 16t 60...Nd3+ 61.Kc4 f4 62.gxf4 gxf4 63.Bxe4 Nb2+
64.Kd5 fxe3 65.Bf3 Kxb5 66.Be2+ Kb4H {-10}
29585656 32.314 -1.46 16t+ 60...f4 61.exf4 gxf4 62.Kc3 fxg3 63.Kd2
31688428 34.385 -1.44 16t 60...f4 61.exf4 gxf4 62.gxf4 Nd3+ 63.Kc4 Nxf4
64.Bxe4H Nxh5H 65.d5H Nf6H 66.Bd3H Ne8H 67.Kd4H
h5H 68.Ke5H h4H 69.Bg6H Nc7H {-90}
35796107 38.905 -1.44 16. 60...f4 61.exf4 gxf4 62.gxf4 Nd3+ 63.Kc4 Nxf4
64.Bxe4 Nxh5 65.d5 Nf6 66.Bd3 Ne8 67.Kd4 h5
68.Ke5 h4 69.Bg6 Nc7 {-90}
45605695 49.262 -1.44 17t 60...f4 61.exf4 gxf4 62.gxf4 Nd3+ 63.Kc4 Nxf4
64.Bxe4 Nxh5 65.d5 Nf6 66.Bd3 Ne8 67.Kd4 h5
68.Ke5 h4 69.Bg6 Nc7 {-90}
57627302 1:02.6 -1.44 17. 60...f4 61.exf4 gxf4 62.gxf4 Nd3+ 63.Kc4 Nxf4
64.Bxe4 Nxh5 65.d5 Nf6 66.Bd3 Ne8 67.Kd4 h5
68.Ke5 h4 69.Bg6 Nc7 {-90}
86103525 1:34.2 -1.41 18t 60...f4 61.exf4 gxf4 62.gxf4 Nd3+ 63.Kc4 Nxf4
64.Bxe4 Nxh5 65.d5 Nf6 66.Bd3 Ne8 67.Kd4 h5
68.Ke5 Kc5 69.Bg6 Nc7 70.Bxh5 {HT} {-170}
111753993 2:10.0 -1.41 18. 60...f4 61.exf4 gxf4 62.gxf4 Nd3+ 63.Kc4 Nxf4
64.Bxe4 Nxh5 65.d5 Nf6 66.Bd3 Ne8 67.Kd4 h5
68.Ke5 Kc5 69.Bg6 Nc7 70.Bxh5 {HT} {-170}
168882501 3:14.8 -1.41 19t 60...f4 61.exf4 gxf4 62.gxf4 Nd3+ 63.Kc4 Nxf4
64.Bxe4 Nxh5 65.d5 Nf6 66.Bd3 Ne8 67.Kd4 h5
68.Ke5 Kc5 69.Bg6 Nc7 70.Bxh5 Nxd5 {-90}
226183877 4:19.8 -1.41 19. 60...f4 61.exf4 gxf4 62.gxf4 Nd3+ 63.Kc4 Nxf4
64.Bxe4 Nxh5 65.d5 Nf6 66.Bd3 Ne8 67.Kd4 h5
68.Ke5 Kc5 69.Bg6 Nc7 70.Bxh5 Nxd5 {-90}
357041121 6:54.2 -1.45 20t 60...f4 61.exf4 gxf4 62.gxf4 Nd3+ 63.Kc4 Nxf4
64.Bxe4 Nxh5 65.d5 Nf6 66.Bd3 Ne8 67.Kd4 h5
68.Ke5 Kc5 69.Bg6 Nd6 70.Bxh5 Nc4+ 71.Ke6 {-170}
464413774 8:55.2 -1.44 20t+ 60...Nd3+ 61.Kc4 Nb2+ 62.Kd5 Nd1 63.Ke6 Nxe3
64.d5 Nc4 65.d6 Nxd6 66.Bxe4
609075439 11:36.3 -1.04 20t 60...Nd3+ 61.Kc3 Nf2 62.Kc4 Ng4 63.d5 Ne5+
64.Kd4 Nf3+H 65.Kc3H Ne5H 66.Be8H Kc5H 67.d6H
Kxd6H 68.Kd2H {HT} {-10}
657358546 12:34.4 -1.04 20. 60...Nd3+ 61.Kc3 Nf2 62.Kc4 Ng4 63.d5 Ne5+
64.Kd4 Nf3+ 65.Kc3 Ne5 66.Be8 Kc5 67.d6 Kxd6
68.Kd2 {HT}
1115953898 22:00.4 -1.29 21t 60...Nd3+ 61.Kc4 Nb2+ 62.Kc3 Nd1+ 63.Kd2 Nb2
64.Ke2 Nc4H 65.g4H fxg4H 66.Bxe4H g3H 67.Bc6H
g4H 68.e4H g2H 69.Kf2H Ne3H {HT}
1315046430 26:13.0 -1.28 21t+ 60...f4 61.exf4 gxf4 62.gxf4 Nd3+ 63.Kc4 Nxf4
64.Bxe4H Nxh5H 65.d5H Nf6H 66.Bd3H Ne8H 67.Kd4H
h5H 68.Ke5H h4H 69.Bg6H Nc7H {HT} {-90}
1440145298 28:45.1 -1.27 21t 60...f4 61.exf4 gxf4 62.gxf4 Nd3+ 63.Kc4H Nxf4H
64.Bxe4H Nxh5H 65.d5H Ng3H 66.Bd3H h5H 67.d6H
h4H 68.Kd5H h3H 69.d7H {HT} {-90}
1634662080 32:37.8 -1.27 21. 60...f4 61.exf4 gxf4 62.gxf4 Nd3+ 63.Kc4 Nxf4
64.Bxe4 Nxh5 65.d5 Ng3 66.Bd3 h5 67.d6 h4
68.Kd5 h3 69.d7 {HT} {-90}
2199445327 45:09.0 -1.34 22t 60...f4 61.exf4 gxf4 62.gxf4 Nd3+ 63.Kc4 Nxf4
64.Bxe4 Nxh5 65.Bc6 Ng3 66.Kd5 h5 67.Ke6 h4
68.d5 h3 69.d6 h2 70.d7 Kc7 71.Bh1 Kd8 72.b6
Ne2 {HT} {-90}
2638141796 53:49.3 -1.33 22t+ 60...Nd3+ 61.Kc4 Nb2+ 62.Kc3 Nd1+ 63.Kd2 Nb2
64.Ke2 Nc4 65.g4 fxg4 66.Bxe4
3165914203 1:04:24 -1.34 22t- 60...Nd3+ 61.Kc3 Nf2 62.Kc4 Ng4 63.d5 Ne5+
64.Kd4 Nf3+ 65.Kc3 Ne5 66.Be8 Kc5 67.b6 Kxb6
68.d6 Nf3 69.Bg6 Kc6 70.Bxf5 Kxd6 71.Bxe4 g4
72.Bf5 Ne5 73.Kd4H Nf3+H 74.Ke4H Ne5H {HT} {-90}
3165914203 1:04:24 -1.34 22t 60...f4 61.exf4 gxf4 62.gxf4 Nd3+ 63.Kc4 Nxf4
64.Bxe4 Nxh5 65.Bc6 Ng3 66.Kd5 h5 67.Ke6 h4
68.d5 h3 69.d6 h2 70.d7 Kc7 71.Bh1 Kd8 72.b6
Ne2 {HT} {-90}
3512456016 1:11:47 -1.34 22. 60...f4 61.exf4 gxf4 62.gxf4 Nd3+ 63.Kc4 Nxf4
64.Bxe4 Nxh5 65.Bc6 Ng3 66.Kd5 h5 67.Ke6 h4
68.d5 h3 69.d6 h2 70.d7 Kc7 71.Bh1 Kd8 72.b6
Ne2 {HT} {-90}
554682952 1:43:23 -1.44 23t 60...f4 61.exf4 gxf4 62.gxf4 Nd3+ 63.Kc4 Nxf4
64.Bxe4 Nxh5 65.Bc6 Ng3 66.Kd5 h5 67.Ke6 Ne2
68.d5 Nf4+ 69.Ke5 Nd3+ 70.Kf6 h4 71.d6 {HT}
{-90}
1306926661 1:58:49 -1.43 23t+ 60...Nd3+ 61.Kc3 Nf2 62.Kc4 Ng4 63.d5 Ne5+
64.Kd4 Nf3+ 65.Kc3 Ne5 66.Be8 Kc5 67.b6 Kxb6
68.d6
2583580864 2:24:41 -1.33 23t 60...Nd3+ 61.Kc3 Nf2 62.Kc4 Ng4 63.d5 Ne5+
64.Kd4 Nf3+ 65.Kc3 Ne5 66.Be8 Kc5 67.Bg6 Kxb5
68.Bxf5 Kc5 69.d6 Kxd6 70.Kd4 Nf3+H 71.Kxe4H
Nd2+H {HT} {-90}
3483612058 2:44:00 -1.33 23. 60...Nd3+ 61.Kc3 Nf2 62.Kc4 Ng4 63.d5 Ne5+
64.Kd4 Nf3+ 65.Kc3 Ne5 66.Be8 Kc5 67.Bg6 Kxb5
68.Bxf5 Kc5 69.d6 Kxd6 70.Kd4 Nf3+ 71.Kxe4 Nd2+
{HT} {-90}
So, a longer search did not show anything really decisive yet.
Regards,
Dieter
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