CCR One Hour Test

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CCR One Hour Test by Larry Kaufman, published 1994 in Computer Chess Reports. The test was still used in 2018 by Marco Wiering et al. in their deep learning experiments to appraise the performance of a neural networks evaluator with a lookahead of depth one.

=EPD-Record= Extended Position Description : 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 Bcx3+; 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"; am Bxe6; r1b1kb1r/1pqpnppp/p1n1p3/8/3NP3/2N1B3/PPP1BPPP/R2QK2R w KQkq - 3 8 id "CCR20"; am Ndb5; r1bqnr2/pp1ppkbp/4N1p1/n3P3/8/2N1B3/PPP2PPP/R2QK2R b KQ - 2 11 id "CCR21"; am Kxe6; r3kb1r/pp1n1ppp/1q2p3/n2p4/3P1Bb1/2PB1N2/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;

=See also=
 * Kaufman Test Suite

=Publications=
 * Larry Kaufman (1994). The One-Hour CCR Test. Computer Chess Reports, Vol. 4, No. 2, pp. 25-30
 * Matthia Sabatelli, Francesco Bidoia, Valeriu Codreanu, Marco Wiering (2018). Learning to Evaluate Chess Positions with Deep Neural Networks and Limited Lookahead. ICPRAM 2018, pdf

=Forum Posts=
 * 1 Hour CCR Test by IM Larry Kaufman by Dana Turnmire, CCC, May 01, 2001
 * CCC users - 1 Hour CCR Test - A little experiment - help needed by Peter Berger, CCC, May 04, 2001
 * 1 Hour CCR Test/Zarkov and Duck/Updated Summary by Peter Berger, CCC, May 14, 2001 » Zarkov, Duck
 * 1 Hour CCR Test revisited by Peter Berger, CCC, February 11, 2015

=External Links=
 * Kaufman One Hour Test hosted by Kurt Utzinger
 * NHØP Trio - My Shining Hour, Subway 1999, YouTube Video
 * Niels-Henning Ørsted-Pedersen, Ulf Wakenius, and Jonas Johansen

=References= Up one Level