Computer Chess Club Archives


Search

Terms

Messages

Subject: hard positions in ECM-GCP

Author: Ren Wu

Date: 11:04:44 11/25/01


previous message was at
http://www.icdchess.com/forums/1/message.shtml?198767

At one hour per move, i got a few more right, these are

+ECM.1131  2227
+ECM.1229  2340
+ECM.1376   413
+ECM.1380  1451
+ECM.1403   711
+ECM.1617  2375

ECM.1254 turn out to be a simple one, my program has a bug to get the right bm.

These are 9 positions left unsolved

2k4r/1pp2ppp/p1p1bn2/4N3/1q1rP3/2N1Q3/PPP2PPP/R4RK1 w - - bm Nd5; id "ECM.952";
r1bq1rk1/pp2bp1p/2p2np1/3p2B1/3P4/2NQ2N1/PPP2PPP/4RRK1 w - - bm Rxe7; id
"ECM.1068";
2r2rk1/1p1q1ppp/1p3n2/3p1N2/4n3/1N3Q2/PPP2PPP/R2R2K1 w - - bm Rxd5; id
"ECM.1134";
2kr3r/pp3p1p/2b1p3/q3Q3/5P2/2P1B3/P1P3PP/1R3RK1 b - - bm Rhg8; id "ECM.1335";
r1b2rk1/pp4bp/2p3p1/4q2n/NQPN1p1P/1P5n/P3PPB1/2BRRK2 b - - bm f3; id "ECM.1438";
2r2rk1/pp2pp1p/2np2p1/q4P2/2PBP1b1/2N5/PP1Q2PP/R4RK1 w - - bm h3; id "ECM.1527";
1k2b3/4bpp1/p2pp1P1/1p3P2/2q1P3/4B3/PPPQN2r/1K1R4 w - - bm f6; id "ECM.1547";
r1b2r1k/ppppq1pp/2n1n3/6N1/2B2P2/4B3/PPP3PP/R2Q1RK1 w - - bm Nxh7; id
"ECM.1612";
2rq1rk1/pp1bnpbp/4p1p1/3pP1N1/3P2Q1/2PB4/P4PPP/R1B1R1K1 w - - bm Nxh7; id
"ECM.1622";

[D]2r2rk1/pp2pp1p/2np2p1/q4P2/2PBP1b1/2N5/PP1Q2PP/R4RK1 w - - bm h3; id
"ECM.1527";
10.   171  15.9 10932131  h2h3 c6d4 d2d4 e7e5 d4d6 f8d8 d6f6 a5c5 g1h1 d8d6 f6g5
11.   172  17.9 12312775  h2h3 c6d4 d2d4 e7e5 d4d6 c8d8 d6f6 a5c5 g1h1 d8d6 f6g5
11.   172  20.9 14340184  h2h3 c6d4 d2d4 e7e5 d4d6 c8d8 d6f6 a5c5 g1h1 d8d6 f6g5
g4h3 g2h3
12.   167  26.2 17942778  h2h3 c6d4 d2d4 e7e5 d4d3 g6f5 h3g4 f5g4 f1f2 a5c5 c3d5
12.   168  45.2 29687393  d2h6 f7f6 f5g6 h7g6 h6g6 g8h8 d4f6 e7f6 g6g4 f6f5 e4f5
12.   207  76.9 47441585  d2h6 c6d4 f5f6 d4e2 g1h1 e2g3 h2g3 a5h5 h6h5 g4h5 f6e7
12.   207  78.7 48536671  d2h6 c6d4 f5f6 d4e2 g1h1 e2g3 h2g3 a5h5 h6h5 g4h5 f6e7
f8e8 c3d5 c8c4 d5f6 g8h8 f6e8
13.   217 102.0 62193745  d2h6 c6d4 f5f6 d4e2 g1h1 e2g3 h2g3 a5h5 h6h5 g4h5 f6e7
13.   217 131.7 79160588  d2h6 c6d4 f5f6 d4e2 g1h1 e2g3 h2g3 a5h5 h6h5 g4h5 f6e7
f8e8 c3d5 g8g7 a1c1 a7a5 c4c5 g7f7
14.   270 408.5 235850922  d2h6 c6d4 c3d5 f8e8 f5f6 d4e6 f6e7 f7f5 d5f6 g8f7
f6g4 a5b6 f1f2 e8h8 e4f5 g6f5
15.   259 758.5 433231499  d2h6 c6d4 c3d5 f8e8 f5f6 d4e6 f6e7 f7f5 b2b4 a5a4
d5f6 g8f7 f6g4 e8e7 h6h7 e6g7 e4f5 g6f5
16.   267 1309.4 732678979  d2h6 c6d4 c3d5 f8e8 f5f6 d4e6 f6e7 f7f5 d5f6 g8f7
f6g4 a5b6 f1f2 c8c4 h6h7 e6g7 g4h6 f7f6 e4f5 g6f5 h6g8 f6f7 h2h4

Is d2h6 better than h3?

[D]1k2b3/4bpp1/p2pp1P1/1p3P2/2q1P3/4B3/PPPQN2r/1K1R4 w - - bm f6; id "ECM.1547";
10.   117   6.5  4663745  f5f6 h2e2 f6g7 e2d2 e3d2 c4e2 b1c1 e2e4 g7g8
11.   147   7.7  5580161  f5f6 h2e2 f6g7 e2d2 e3d2 f7g6 g7g8 c4c8 g8g7 c8c7 d2e3
11.   147  16.5 11640178  f5f6 h2e2 f6g7 e2d2 e3d2 f7g6 g7g8 c4c8 g8g7 c8c7 d2e3
12.   142  19.8 13835059  f5f6 h2e2 f6g7 e2d2 e3d2 f7g6 g7g8 c4c8 g8g7 c8c7 g7h8
12.   143  84.5 50483036  d2a5 c4e4 f5f6 g7f6 a5b6 b8c8 b6a6 e4b7 a6b7 c8b7 g6g7
12.   162 126.0 73715295  d2a5 e8c6 a5a6 c6e4 e2c3 e4c2 b1a1 c2d1 c3b5 c4b5 a6b5
12.   162 126.3 73911466  d2a5 e8c6 a5a6 c6e4 e2c3 e4c2 b1a1 c2d1 c3b5 c4b5 a6b5
b8c8 e3c1 f7g6 f5g6
13.   163 227.0 130055059  d2a5 e8c6 a5a6 c6e4 e2c3 f7g6 a6a7 b8c8 a7e7 e4c2
b1a1 c2d1 f5e6 d1f3 e7f8
14.   153 797.3 425328441  d2a5 e8c6 e2c3 c6e4 g6f7 e4c2 b1a1 b5b4 a5b6 b8c8
e3g5 b4c3 g5e7 c3b2 b6b2 h2h8 d1d6
15.   169 1888.9 964417233  d2a5 e8c6 e2c3 c6e4 g6f7 e6e5 a5a6 e4b7 a6b6 b8c8
d1d6 c4c3 b2c3 h2h1 e3c1

Again is d2a5 a better move?

Ren.




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.