Author: Dana Turnmire
Date: 17:49:35 05/07/01
Go up one level in this thread
On May 07, 2001 at 20:40:08, Brian Kostick wrote: >On May 07, 2001 at 18:47:10, Peter Berger wrote: > >>Ranking : >> >>1. CM9DEEP on K6-2/500 2672 >>2. Comet dev version on K6/450 2664 >>3. Genius 2 on 586/133 2624 >>4. Shredder 5.0 on PIII500 2616 >>5. Rebel Century 3.0 on PIII600 2616 >>6. LG2000V3 on PIII600 2608 >>7. Yace 0.99.17 on PIII500 2600 >>8. Tinker dev version on PIII733 2600 >>9. Pepito v1.23 on K6/400 2584 >>10. Gandalf 4.32h on PIII500 2584 >>11. Gambit Tiger 2.0 on PIII600 2584 >>12. Pretz dev version on PII400 2552 >>13. Screamer Chess b58 on G4 Laptop 2552 >>14. Bringer 1.8 on PIII500 2536 >>15. PostModernist dev version on Athlon 1200 2536 >>16. Crafty 18.9 on PIII500 2520 >>17. Gaviota v0.2.1 on PIII700 2488 >>18. Radio Shack 2250XXL 2248 >> >> >>The contenders facing the most difficult positions (CCR 4,5,8,10,11,16 and 22): >> >>CM9DEEP on K6-2/500 solved: CCR 4,5,10,11,16?? >>Comet dev version on K6/450 solved : CCR 5,8,10,11 >>Century 3.0 on PIII600 solved: CCR 5,10,11,16 >>Tinker dev version on PIII733 solved: CCR 5,8,11,16 >>Gaviota v0.2.1 on PIII700 solved: CCR 5,10,11,16 >>Genius 2 on 586/133 solved : CCR 4,5,10 >>Shredder 5.0 on PIII500 solved : CCR 5,10,11 >>LG2000V3 on PIII600 solved: CCR 4,10,11 >>Gandalf 4.32h on PIII500 solved: CCR 5,10,11 >>Gambit Tiger 2.0 on PIII600 solved : CCR 4,5,10 >>Yace 0.99.17 on PIII500 solved : CCR 10,16 >>Screamer Chess b58 on G4 Laptop solved : CCR 5,10 >>PostModernist dev version on Athlon 1200 solved : CCR 8,10 >>Crafty 18.9 on PIII500 solved : CCR 10,16 >>Pretz dev version on PII400 solved : CCR 10 >>Radio Shack 2250 Chess Champion solved : 5 >>Pepito v1.23 on K6/400 solved : ?? >>Bringer 1.8 on PIII500 solved : >> >> >>Positions still remaining unsolved : >> >>CCR 22 >> >>Thanks to Miguel A. Ballicora, William Bryant, Carlos del Cacho, Jeff Lischer, >>Paul, Brian Richardson, Ulrich Tuerke, Dana Turnmire and Andrew Williams for >>posting your results ! >> >> >> >>Posted by Dana Turnmire on May 01, 2001 at 04:25:54: >> >> >> The test is very simple. Set the level to infinite, turn off the opening book >>and thinking on opponent's time if possible. Play out the moves to the problem >>position. Note the choice moves after 15", 30", 1', and 2'. Score one point >>for each correct move found or each bad move avoided at each of the four time >>intervals. The most points possible for each test set is 4. If the correct >>move is shown at 15" but not at the 1 minute mark 1 point would still be given. >>To get an estimated USCF rating, multiply the test score by 8 and add it to 2000 >>(for British ratings, add 1900, for Swedish, add 1800). >> >> 1. Slav Defense. 1d4 d5 2c4 c6 3Nc3 Nf6 4e3 Bf5 5cxd5 cxd5. White to play. >>Solution 6 Qb3! See next problem. >> >> 2. Slav Defense. Black to play after 6Qb3 in problem 1. Solution 6...Bc8! >>While this leaves white with a clear lead in development, other moves lead to >>worse trouble. One example is 6...Qd7 7Nf3 Nc6 8Ne5 Nxe5? 9dxe5 N-any? 10Bb5 >>wins. >> >> 3. Queen's Gambit Accepted. 1d4 d5 2c4 dxc4 3e4 e5 4Nf3 exd4 5Bc4 Bb4+ 6Bd2 >>Bxd2 7Nbd2 Nc6 8 0-0 Nf6 9e5 Ng4 10h3. Black to play. Solution 10...Nh6!. The >>point is that if instead 10...Ngxe5? 10Nxe5 Nxe5 11Re1 f6 12f4 or 11...Qf6 >>12Nf3, and black cannot retain enough compensation for the knight. >> >> 4. Queen's Gambit Declined. 1d4 d5 2c4 e6 3Nc3 Nf6 4cxd5 exd5 5Bg5 c6 6Qc2 >>Be7 7e3 Nbd7 8Bd3 0-0 9Nf3 Re8 10 0-0 Nf8 11Rab1 g6. White to move. Solution >>12b4!, the minority attack and the point of the previous move. >> >> 5. Marshall's defense to Queen's Gambit. 1d4 d5 2c4 Nf6 3cxd5 Nxd5 4e4 Nf6 >>5Nc3. Black to move. Solution 5...e5!. If 6dxe5 Qxd1+ 7Kxd1 Nf4, and black >>recovers the pawn favorably. >> >>6. Nimzoindian Defense. 1d4 Nf6 2c4 e6 3Nc3 Bb4 4Qc2 0-0 5a3. Black to move. >>Solution 5...Bxc3+!, "sacrificing" the bishop pair for no tangible compensation, >>since retreating the bishop to e7 allows white too dominating a center. >> >>7. Benko Gambit. 1d4 Nf6 2c4 c5 3d5 b5 4cxb5 a6 5bxa6 Bxa6 6Nc3 d6 7Nf3 g6 8g3 >>Bg7 9Bg2 0-0 10 0-0 Nbd7 11Re1 Qb6 12h3. Black to move. Solution 12...Rfb8!, >>so that one rook will be posted on each semi-open file. >> >>8. Queen's Indian Defense. 1d4 Nf6 2c4 e6 3Nf3 b6 4g3 Bb7 5Bg2 c5. White to >>move. Solution 6d5!, after which if 6...exd5 7Nh4! will recover the pawn thanks >>to the pin. If 6d5 didn't work here, everyone would play 5...c5, but as it is, >>the move is rarely seen in master play. >> >> 9. King's Indian Defense. 1d4 Nf6 2c4 g6 3Nc3 Bg7 4e4 d6 5f3 0-0 6Be3 Nc6 >>7Nge2 a6 8Nc1 e5 9d5. Black to move. Solution 9...Nd4!, which does not lose a >>pawn because if 10Bxd4 exd4 11Qxd4 Nxe4! 12Qxe4 Re8. White should instead play >>10Nb3 or 10Nc1-e2, but black is better off here than he would be after a passive >>knight retreat on move 9. >> >>10. Benoni. 1d4 Nf6 2c4 c5 3d5 e6 4Nc3 exd5 5cxd5 d6 6e4 g6 7Nf3 Bg7 8Be2 0-0 >>9 0-0 Re8 10Nd2 a6 White to move. Solution 11a4!, restraining black from >>counterplay by ...b5. >> >> 11. Vienna Game. 1e4 e5 2Nc3 Nf6 3f4. Black to move, solution 3...d5!, >>answering a wing attack by a central thrust. Taking the f pawn is not so good >>here as in the King's gambit. >> >>12. Philidor's Defense. 1e4 e5 2Nf3 d6 3Bc4 Be7 4d4 exd4 5Nxd4 Nd7?. White to >>move. Solution 6Bxf7+!, intending after 6...Kxf7 7Ne6! and if 7...Kxe6 8Qd5+ >>Kf6 9Qf5 mate. >> >>13. Petrov's Defense. 1e4 e5 2Nf3 Nf6 3Nxe5 d6 4Nxf7?! (the Cochrane Gambit) >>Kxf7 5d4. Black to move. Solution: avoid 5...Nxe4?, because of 6Qh5+ Ke7 7Qe2 >>d5 8Bg5+ wins. >> >>14. Bishop's opening. 1e4 e5 2Bc4 Nf6 3d4 exd4 4Nf3 Nxe4 5Qxd4 Nd6 6 0-0. >>Black to play. Solution: avoid the natural 6...Nxc4?, then 7Re1+ Be7 because of >>8Qxg7 Rf8 9Bh6 and the threat of 10Qxf8 cannot be parried without decisive >>material loss. >> >>15. Ruy Lopez. 1e4 e5 2Nf3 Nc6 3Bb5 a6 4Ba4 Nf6 5 0-0 Be7 6Re1 b5 7Bb3 d6 8c3 >>0-0 9d4 Bg4 10Be3 Na5?! 11dxe5! Nxb3?. White to move. Solution 12exf6!, >>because after 12...Nxa1 13fxe7 Qxe7 14Nbd2, and the black knight in the corner >>is lost. Although black gets rook plus pawn for two minor pieces (equal >>according to the beginner's 1-3-3-5-9 count), good players know that two pieces >>are nearly always stronger than rook and pawn, except in very simplified >>endings. >> >>16. Ruy Lopez Open Defense. 1e4 e5 2Nf3 Nc6 3Bb5 a6 4Ba4 Nf6 5 0-0 Nxe4 6d4 b5 >>7Bb3. Black to move. Solution 7...d5!, returning the pawn in the best way, >>since 7...exd4 will only keep black a pawn up for a few moves. >> >>17. Ruy Lopez Steinitz Defense Deferred. 1e4 e5 2Nf3 Nc6 3Bb5 a6 4Ba4 d6 50-0 >>Bg4 6h3 h5 7Bxc6+ bxc6. Solution: avoid 8hxg4? since after 8...hxg4 9Ne1? Qh4 >>10f3 g3 with mate next. White can avoid the mate by 9g3, returning the knight, >>but black should still stand better with his rook on an open file near the white >>king. >> >>18. Sicilian Defense. Richter-Rauser Attack. 1e4 c5 2Nf3 Nc6 3d4 cxd4 4Nxd4 >>Nf6 5Nc3 d6 6Bg5 e5?. White to move: Solution: 7Bxf6!, "sacrificing" the >>bishop pair. If 7...Qxf6? 8Nd5 Qd8 9Nb5 and black is in big trouble. Instead >>7...gxf6 8Nf5 Bxf5 9eXf5 leaves white with the better position. >> >>19. Sicilian Najdorf, Sozin variation. 1e4 c5 2Nf3 d6 3d4 cxd4 4Nxd4 Nf6 5Nc3 >>a6 6Bc4 e6 7 0-0 b5 8Bb3 Bb7 9Re1 Be7?!. White to move. Solution: 10Bxe6!, >>sacrificing the bishop for three pawns. This is not quite enough material >>compensation for a bishop in the early part of the game, but here black's king >>is denuded, so the sacrifice is fully justified. >> >>20. Sicilian, Taimanov variation. 1e4 c5 2Nf3 Nc6 3d4 cxd4 4Nxd4 e6 5Nc3 Qc7 >>6Be2 a6 7Be3 Nge7?. Solution 8Nd4-b5!, so that after 8...axb5 9Nxb5 Qa5+ 10Bd2 >>Qb6 11Nd6+ Kd8 12Nxf7+, winning material. >> >>21. Sicilian Accelerated Dragon. 1e4 c5 2Nf3 Nc6 3d4 cxd4 4Nxd4 g6 5Nc3 Bg7 >>6Be3 Nf6 7Bc4 0-0 8Bb3 Na5? 9e5 Ne8 10Bxf7+! Kxf7 11Ne6! (Fischer vs Reshevsky). >> Black to move. Solution: avoid 11...Kxe6?, which allows a forced mate. Black >>must therefore lose his queen to two minor pieces, which is at least better than >>getting mated. Note that the sacrifice on move 11 is not a suitable test for a >>computer, because it will be chosen quickly since it immediately allows >>perpetual check if accepted, and since white has already sacrificed he will not >>mind forcing a draw. >> >>22. Caro-Kann defense. 1e4 c6 2d4 d5 3exd5 cxd5 4Bd3 Nc6 5c3 Nf6 6Bf4 Bg4 7Qb3 >>Na5 8Qa4+ Bd7 9Qc2 e6 10Nf3 Qb6. White to move. Solution 11a4! (from Fischer >>vs Petrosian). This prevents black from exchanging off his bad bishop by >>...Bb5. This problem is very hard for computers, not surprising considering >>that the move was unknown by grandmasters until Fischer played it. >> >>23. French Defense. (Winawer variation). 1e4 e6 2d4 d5 3Nc3 Bb4 4e5 Ne7 5Bd3 >>0-0 6Nh3 Nd7?. White to move. Solution 7Bxh7+! (if 7...Kxh7 8Qh5+ Kg8 9Ng5 Re8 >>10Qxf7+ Kh8 11Nxe6 wins). >> >>24. Nimzovitch defense. 1e4 Nc6 2d4 d6 3Nc3 g6 4Nf3 Bg4 5d5 Ne5?. White to >>move. Solution 6Nxe5! (if 6...Bxd1 7Bb5+ c6 8dxc6 and black must lose material. >> >>25. Grob's Opening. 1g4 d5 2Bg2 Bxg4 3c4 c6 4cxd5 Nf6 5Qb3 Qb6 6dxc6. Black >>to move. Solution: avoid 6...Qxb3? since 7cxb7! Qc4 8Na3 wins for white. >> >> >> >>And the EPDs : >> >>rn1qkb1r/pp2pppp/5n2/3p1b2/3P4/2N1P3/PP3PPP/R1BQKBNR w KQkq - 0 1 id "CCR01"; bm >>Qb3; >>rn1qkb1r/pp2pppp/5n2/3p1b2/3P4/1QN1P3/PP3PPP/R1B1KBNR b KQkq - 1 1 id "CCR02"; >>bm Bc8; >>r1bqk2r/ppp2ppp/2n5/4P3/2Bp2n1/5N1P/PP1N1PP1/R2Q1RK1 b kq - 1 10 id "CCR03"; bm >>Nh6; am Ne5; >>r1bqrnk1/pp2bp1p/2p2np1/3p2B1/3P4/2NBPN2/PPQ2PPP/1R3RK1 w - - 1 12 id "CCR04"; >>bm b4; >>rnbqkb1r/ppp1pppp/5n2/8/3PP3/2N5/PP3PPP/R1BQKBNR b KQkq - 3 5 id "CCR05"; bm e5; >>rnbq1rk1/pppp1ppp/4pn2/8/1bPP4/P1N5/1PQ1PPPP/R1B1KBNR b KQ - 1 5 id "CCR06"; bm >>Bxc3+; >>r4rk1/3nppbp/bq1p1np1/2pP4/8/2N2NPP/PP2PPB1/R1BQR1K1 b - - 1 12 id "CCR07"; bm >>Rfb8; >>rn1qkb1r/pb1p1ppp/1p2pn2/2p5/2PP4/5NP1/PP2PPBP/RNBQK2R w KQkq c6 1 6 id "CCR08"; >>bm d5; >>r1bq1rk1/1pp2pbp/p1np1np1/3Pp3/2P1P3/2N1BP2/PP4PP/R1NQKB1R b KQ - 1 9 id >>"CCR09"; bm Nd4; >>rnbqr1k1/1p3pbp/p2p1np1/2pP4/4P3/2N5/PP1NBPPP/R1BQ1RK1 w - - 1 11 id "CCR10"; bm >>a4; >>rnbqkb1r/pppp1ppp/5n2/4p3/4PP2/2N5/PPPP2PP/R1BQKBNR b KQkq f3 1 3 id "CCR11"; bm >>d5; >>r1bqk1nr/pppnbppp/3p4/8/2BNP3/8/PPP2PPP/RNBQK2R w KQkq - 2 6 id "CCR12"; bm >>Bxf7+; >>rnbq1b1r/ppp2kpp/3p1n2/8/3PP3/8/PPP2PPP/RNBQKB1R b KQ d3 1 5 id "CCR13"; am Ne4; >>rnbqkb1r/pppp1ppp/3n4/8/2BQ4/5N2/PPP2PPP/RNB2RK1 b kq - 1 6 id "CCR14"; am Nxc4; >>r2q1rk1/2p1bppp/p2p1n2/1p2P3/4P1b1/1nP1BN2/PP3PPP/RN1QR1K1 w - - 1 12 id >>"CCR15"; bm exf6; >>r1bqkb1r/2pp1ppp/p1n5/1p2p3/3Pn3/1B3N2/PPP2PPP/RNBQ1RK1 b kq - 2 7 id "CCR16"; >>bm d5; >>r2qkbnr/2p2pp1/p1pp4/4p2p/4P1b1/5N1P/PPPP1PP1/RNBQ1RK1 w kq - 1 8 id "CCR17"; am >>hxg4; >>r1bqkb1r/pp3ppp/2np1n2/4p1B1/3NP3/2N5/PPP2PPP/R2QKB1R w KQkq e6 1 7 id "CCR18"; >>bm Bxf6+; >>rn1qk2r/1b2bppp/p2ppn2/1p6/3NP3/1BN5/PPP2PPP/R1BQR1K1 w kq - 5 10 id "CCR19"; bm >>Bxe6; >>r1b1kb1r/1pqpnppp/p1n1p3/8/3NP3/2N1B3/PPP1BPPP/R2QK2R w KQkq - 3 8 id "CCR20"; >>bm Ndb5; >>r1bqnr2/pp1ppkbp/4N1p1/n3P3/8/2N1B3/PPP2PPP/R2QK2R b KQ - 2 11 id "CCR21"; am >>Kxe6; >>r3kb1r/pp1b1ppp/1q2pn2/n2p4/3P1B2/2PB1N2/PPQ2PPP/RN2K2R w KQkq - 3 11 id >>"CCR22"; bm a4; >>r1bq1rk1/pppnnppp/4p3/3pP3/1b1P4/2NB3N/PPP2PPP/R1BQK2R w KQ - 3 7 id "CCR23"; bm >>Bxh7+; >>r2qkbnr/ppp1pp1p/3p2p1/3Pn3/4P1b1/2N2N2/PPP2PPP/R1BQKB1R w KQkq - 2 6 id >>"CCR24"; bm Nxe5; >>rn2kb1r/pp2pppp/1qP2n2/8/6b1/1Q6/PP1PPPBP/RNB1K1NR b KQkq - 1 6 id "CCR25"; am >>Qxb3; >> >>Hey , still no single ChessBase result ; what's up ?? >> >>pete > > My question is: Why is it titled 1_Hour_CCR Test ? If I understand the >Turnmire post correctly the readings are taken at 15 seconds, 30 seconds, 1 >minute, and 2 minutes? How much hash table, or does it matter? Thanks for >setting me straight. BK It was called the one hour test because it is possible to do the entire test within one hour.
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.