Author: Erik Madsen

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Mad Woman’s Breakfast

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MadChess 2.2 participated in a tournament Graham Banks arranged, named Mad Woman’s Breakfast. 1 2 3 4 5 6 7 8 9 0 1 2 1 Betsabe II 1.75 **** 1½11 001½ 110½ 011½ 001½ 1011 1100 111½ 1000 1111 0½1½ 27.0/44 2 Winter 0.1.1 64-bit 0½00 **** 01½1 ½101 ½0½½ ½001 1½1½ 010½ 111½ 01½1 11½½ 0111 25.0/44 3 RubiChess 0.8 64-bit 110½ 10½0 **** ½1½1 00½1 11½½ 0100 0011 ½11½ ½½½½ ½01½ 0111 24.5/44 4 Jumbo 0.6.31 64-bit 001½ ½010 ½0½0 **** 11½1 1100 10½½ 1111 001½ ½1½1 ½000 11½1 24.0/44 5 MadChess 2.2 64-bit 100½ ½1½½ 11½0… Continue Reading

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Bullet Tournament on New PC

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I ran a bullet chess tournament on my new PC, organized into four divisions of 12 chess engines of similar strength. Within each division, the engines played a round-robin tournament of 100 games against each engine (50 rounds, play each opening twice). In addition to these four round-robin tournaments, I ran three cross-divisional tournaments (1-2, 2-3, 3-4), pitting the three weakest engines from the higher division against the three strongest engines from the lower division. The cross-divisional tournaments are necessary to eliminate isolated engine groups and enable Ordo to converge on estimated ratings. MadChess 2.2 is rated 2439 at bullet… Continue Reading

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Banks 68th Amateur Series Division 6

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MadChess 2.2 participated in Graham Banks’ 68th amateur tournament in division 6. 1 2 3 4 5 6 7 8 9 0 1 2 1 DanaSah 7.0 **** 11½0 11½½ ½½1½ 1110 1½½½ ½0½½ 11½1 ½1½½ ½111 11½½ 1111 31.5/44 2 tomitankChess 1.5 64-bit 00½1 **** 1½½½ 0½0½ ½½½½ 1½½1 1110 011½ ½½11 ½1½1 1110 ½111 28.0/44 3 Capivara LK 0.09b02g 64-bit 00½½ 0½½½ **** ½½½1 1001 11½1 ½110 ½101 01½0 1½11 1½01 1½1½ 26.0/44 4 Delocto 0.6 64-bit ½½0½ 1½1½ ½½½0 **** 0½01 ½11½ ½½1½ 110½ 1½10 0½½½ ½1½1 ½½11 25.5/44 5 CyberPagno 3.0 64-bit 0001 ½½½½ 0110 1½10… Continue Reading

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Banks 67th Amateur Series Division 6

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MadChess 2.2 participated in Graham Banks’ 67th amateur tournament in division 6. 1 2 3 4 5 6 7 8 9 0 1 2 1 Shield 2.0 64-bit **** ½½½1 1111 1½1½ 1110 1111 0111 1111 ½011 11½1 1111 ½½11 36.5/44 2 DanaSah 7.0 ½½½0 **** 011½ ½11½ 110½ ½½10 11½0 0111 1½½½ ½110 ½½0½ ½101 26.0/44 3 tomitankChess 1.5 64-bit 0000 100½ **** ½110 0011 0½10 1½1½ ½½½1 1½½½ 1½½1 ½1½1 1111 25.5/44 4 Capivara LK 0.09b02g 64-bit 0½0½ ½00½ ½001 **** 1010 1½½0 01½1 ½111 111½ 11½½ ½½½0 ½11½ 24.5/44 5 CyberPagno 3.0 64-bit 0001 001½ 1100 0101… Continue Reading

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Banks 66th Amateur Series Division 6

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MadChess 2.2 participated in Graham Banks’ 66th amateur tournament in division 6. 1 2 3 4 5 6 7 8 9 0 1 2 1 Ghost 3.1 64-bit **** ½0½0 1111 1½½1 ½10½ 1010 1111 0100 ½101 0101 1½11 0½11 27.5/44 2 tomitankChess 1.4 64-bit ½1½1 **** 1½0½ 0½1½ 0½11 ½011 000½ 1½½1 1½½1 ½01½ ½111 ½½½1 26.5/44 3 Counter 2.0.2 64-bit 0000 0½1½ **** 110½ ½101 ½½1½ 1110 00½½ 101½ ½111 0111 1½11 26.0/44 4 JikChess 0.02 64-bit 0½½0 1½0½ 001½ **** 0½11 101½ ½1½½ ½001 0011 1½11 1001 1010 23.0/44 494.50 5 Dorky 4.5 64-bit ½01½ 1½00 ½010… Continue Reading