Rating + - Games Won Oppo ------ --- --- ----- --- ---- 1 MChess Pro 5.0 Pentium 90 MHz 2440 31 -30 556 67% 2317 2 Genius 3.0 Pentium 90 MHz 2429 32 -31 521 65% 2317 3 Genius 4.0 Pentium 90 MHz 2418 31 -30 556 66% 2299 4 Rebel 7.0 Pentium 90 MHz 2417 30 -29 587 62% 2333 5 Rebel 6.0 Pentium 90 MHz 2415 36 -35 400 61% 2340 6 Hiarcs 3.0 Pentium 90 MHz 2392 36 -35 404 59% 2329 7 Hiarcs 4.0 Pentium 90 MHz 2389 36 -35 389 58% 2332 8 Genius 4.0 486/50-66 MHz 2384 53 -50 196 63% 2288 9 MChess Pro 4.0 Pentium 90 MHz 2376 33 -32 463 54% 2345 10 Fritz 3.0 Pentium 90 MHz 2366 32 -32 481 57% 2316 11 Genius 3.0 486/50-66 MHz 2363 26 -25 790 64% 2260 12 R30 v. 2.5 2362 54 -49 202 69% 2222 12 MChess Pro 5.0 486/50-66 MHz 2362 37 -36 370 60% 2292 14 Rebel 7.0 486/50-66 MHz 2354 37 -36 376 58% 2296 15 Mephisto Genius 2.0 486/50-66 MHz 2340 25 -25 788 59% 2274 16 MChess Pro 4.0 486/50-66 MHz 2322 26 -26 706 56% 2282 17 WChess 1.06 Pentium 90 MHz 2320 32 -33 460 47% 2339 18 WChess 1.03 486/50-66 MHz 2309 28 -28 617 49% 2318 19 Rebel 6.0 486/50-66 MHz 2307 25 -25 774 57% 2260 20 Chess Machine 30-32 MHz Schröder 3.1 2305 32 -30 546 68% 2174 20 Hiarcs 3.0 486/50-66 MHz 2305 27 -27 686 53% 2283 22 Meph Genius 68 030 33 MHz 2301 50 -49 202 54% 2269 23 Ch.Machine 30 MHz King 2.0 aggr/R30 off 2299 22 -21 1106 66% 2179 24 Chessmaster 4000 486/50-66 MHz 2294 34 -33 462 66% 2174 25 Chess Genius 1.0 486/50-66 MHz 2291 24 -24 836 56% 2249 26 Chess Machine 30 MHz Schröder 3.0 2276 62 -55 168 73% 2103 27 MChess Pro 3.5 486/50-66 MHz 2275 25 -24 816 54% 2244 28 Mephisto Gideon Pro 486/50-66 MHz 2274 35 -34 421 62% 2186 29 MChess Pro 3.12 486/50-66 MHz 2266 36 -34 438 69% 2124 30 Fritz 3.0 486/50-66 MHz 2261 24 -24 846 54% 2232 31 Mephisto Lyon 68030 36 MHz 2255 32 -30 602 75% 2067 32 Chess Genius 1.0 486/33 MHz 2247 32 -32 463 50% 2247 33 Mephisto Portorose 68030 36 MHz 2237 40 -36 407 77% 2028 34 Mephisto Vancouver 68030 36 MHz 2234 37 -34 451 73% 2058 35 MChess Pro 3.12 486/33 MHz 2230 50 -48 208 60% 2155 36 Kallisto 1.82-1.83 486/50-66 MHz 2224 24 -24 825 46% 2250 37 Berlin Pro 68 020 24 MHz 2217 27 -26 717 61% 2137 38 Kasparov SPARC 20 MHz 2213 27 -27 672 54% 2185 39 Mephisto RISC 1 MB ARM 2 14 MHz 2204 22 -22 1021 59% 2139 40 Hiarcs Master 2.0 486/33 MHz 2203 46 -46 229 51% 2194 41 Chess Machine Schröder 512K ARM2 16MHz 2195 27 -26 703 62% 2111 42 MChess 1.1-1.71 486/33 MHz 2194 44 -40 326 74% 2015 43 Saitek RISC 2500 ARM2 14 MHz 128K 2193 23 -22 975 57% 2141 44 Mephisto Montreux ARM 14 MHz 512K 2188 43 -38 381 79% 1957 45 Chess Machine The King 512K ARM2 16MHz 2177 32 -32 473 55% 2139 46 Mephisto Vancouver 68020 12 MHz 2163 24 -23 952 68% 2031 47 Mephisto Lyon 68020 12 MHz 2150 20 -19 1310 61% 2068 48 Socrates 3.0 486/33 MHz 2143 49 -50 203 47% 2164 49 Fritz 2.0 486/33 MHz 2135 30 -31 527 45% 2170 50 Mephisto Portorose 68020 12 MHz 2127 26 -24 896 73% 1956 51 M Chess 1.1-1.71 386/25-33 MHz 2126 36 -35 408 65% 2018 52 Fidelity Elite 68030 32 MHz (vers.9) 2121 40 -37 372 73% 1952 53 Mephisto Berlin 68 000 12 MHz 2120 25 -24 812 58% 2060 54 Mephisto Lyon 68000 12 MHz 2105 22 -21 1068 58% 2047 55 Mephisto Vancouver 68000 12 MHz 2104 23 -22 971 57% 2055 56 Mephisto MM 4 Turbo Kit 6502 16 MHz 2092 46 -42 292 73% 1917 57 Novag Sapphire H8 10 MHz 2087 24 -24 833 50% 2089 58 Fidelity Mach IV 68020 20 MHz 2074 19 -19 1339 51% 2064 59 Mephisto Almeria 68020 12 MHz 2073 42 -40 305 62% 1986 60 Hiarcs Master 1.0 486/33 MHz 2072 48 -48 214 48% 2088 61 Gandalf 2.1 Pentium 90 MHz 2061 69 -85 105 23% 2271 62 Mephisto Portorose 68000 12 MHz 2042 26 -25 767 63% 1948 62 Mephisto Polgar 6502 10 MHz 2042 43 -41 283 59% 1979 62 Fritz 1.0 486/33 MHz 2042 48 -47 215 55% 2009 65 Fidelity Elite 68000 x 2 (vers. 5) 2036 49 -48 209 57% 1986 66 Nimzo 2.2.1 486/33 MHz 2035 46 -47 229 42% 2090 67 Zarkov 3.0 486/25-33 MHz 2031 46 -48 232 39% 2110 68 Rex Chess 2.3 386/25-33 MHz 2029 65 -62 126 59% 1964 68 Mephisto Roma 68020 14 MHz 2029 27 -26 712 65% 1919 70 Mephisto Dallas 68020 14 MHz 2022 35 -32 492 72% 1860 71 Kasparov Brute Force H8 10 MHz 2020 23 -23 906 44% 2060 71 Mephisto Almeria 68000 12 MHz 2020 32 -30 534 67% 1898 71 Zarkov 2.5 386/25-33 MHz 2020 56 -53 168 61% 1941 74 Fritz 1.0 386/25-33 MHz 2007 66 -67 113 46% 2039 75 Novag Diablo 68000 16 MHz 2006 21 -21 1103 41% 2073 76 Fidelity Mach III 68000 16 MHz 1993 14 -14 2404 52% 1980 77 Complete Chess System 486/33 MHz 1985 47 -47 221 47% 2007 78 Mephisto MM 5 6502 5 MHz 1979 19 -19 1277 49% 1987 79 Kasparov President/GK-2100 H8 10 MHz 1976 29 -30 558 47% 1998 80 Mephisto Polgar 6502 5 MHz 1971 17 -17 1693 42% 2030 81 Mephisto Dallas 68000 12 MHz 1970 21 -21 1138 62% 1885 81 Mephisto Roma 68000 12 MHz 1970 18 -18 1519 56% 1927 83 Mephisto Milano 6502 5 MHz 1965 24 -25 820 42% 2026 84 Novag Super Expert C 6502 6 MHz Sel 5 1961 18 -18 1531 46% 1989 85 Zarkov 2.6 386/25-33 MHz 1960 64 -62 125 56% 1917 86 Mephisto Academy 6502 5 MHz 1937 18 -18 1495 44% 1979 87 Chessmaster 3000 386/25-33 MHz 1933 68 -74 103 36% 2031 88 Rex Chess 2.3 386/16-20 MHz 1930 53 -53 174 49% 1936 89 Saitek Leonardo Maestro B 6502 18 MHz 1927 73 -67 105 62% 1842 90 Mephisto Amsterdam 68000 12 MHz 1926 22 -22 1020 58% 1872 91 Novag Super Expert B 6502 6 MHz sel 4 1920 29 -29 562 48% 1934 92 Mephisto Mega IV 6502 4.9 MHz 1917 18 -18 1544 44% 1956 93 Saitek Maestro D 6502 10 MHz 1915 26 -26 736 51% 1909 94 Fidelity Excel Mach IIc 68000 12 MHz 1914 23 -23 955 50% 1911 95 Novag Expert Turbo Kit 6502 16 MHz 1910 67 -63 120 61% 1829 96 Mephisto MM 4 6502 5 MHz 1903 19 -19 1288 51% 1900 97 Fidelity Travel Master H8/330 10 MHz 1898 65 -79 123 22% 2113 98 Kasparov GK-2000 H8 10 MHz 1897 29 -29 593 42% 1952 99 Mephisto Modena 6502 4 MHz 1896 28 -29 615 41% 1959 100 Psion Atari 68000 8 MHz 1882 18 -18 1487 44% 1928 101 CXG Sphinx Galaxy 6502 4 MHz 1881 17 -18 1670 38% 1971 102 Novag Ruby H8 10 MHz 1879 30 -30 545 42% 1934 103 Fidelity Excel Mach IIa 68000 12 MHz 1877 46 -47 226 47% 1898 104 Saitek Turboking II 6502 5 MHz 1868 23 -23 963 37% 1964 104 Conchess Plymate Victoria 6502 5.5 MHz 1868 26 -27 701 40% 1941 106 Fidelity Excel Club 68000 12 MHz 1857 23 -23 931 51% 1848 107 Mephisto Mega IV Brute Force 1852 36 -37 370 41% 1915 108 Novag Super Expert/Forte A 6502 5 MHz 1836 19 -20 1318 39% 1917 109 Fidelity Par Excellence 6502 5 MHz 1835 22 -22 1021 49% 1845 110 Fidelity Avant Garde 6502 5 MHz 1834 20 -20 1196 46% 1866 111 Mephisto Rebell 6502 5 MHz 1825 19 -19 1373 39% 1906 112 Saitek Stratos/Analys B 6502 6 MHz 1820 20 -21 1213 38% 1908 113 Mephisto Super Mondial 6502 4 MHz 1818 19 -20 1335 37% 1908 114 Novag Forte B 6502 5 MHz 1816 24 -24 837 44% 1859 115 Saitek Leonardo Maestro A 6502 6 MHz 1810 30 -30 547 45% 1845 116 Novag Forte A 6502 5 MHz 1809 22 -22 964 48% 1821 117 Conchess Plymate 6502 5.5 MHz 1808 15 -16 2040 40% 1881 118 Saitek Simultano/Corona C 6502 5 MHz 1806 23 -24 969 33% 1932 119 Fidelity Excellence 6502 4 MHz 1800 18 -18 1565 43% 1852 120 Novag Expert 6502 4 MHz 1788 24 -24 843 42% 1846 121 Fidelity Elegance 6502 3.6 MHz 1780 40 -40 303 54% 1751 122 Conchess Plymate 6502 4 MHz 1779 39 -38 333 55% 1747 123 Mephisto MM 2 6502 3.7 MHz 1772 49 -48 208 52% 1755 124 Saitek Turbostar 432 6502 4 MHz 1764 22 -22 1005 45% 1801 125 Fidelity Excellence 6502 3 MHz 1756 22 -23 960 42% 1814 126 Saitek Kasparov Blitz 1734 45 -47 239 37% 1825 126 Novag Super Nova 1734 37 -38 350 40% 1802 128 Novag Super Constellation 6502 4 MHz 1731 18 -18 1626 35% 1840 129 Conchess Glasgow 6502 4 MHz 1719 39 -39 327 50% 1721 130 Chessplayer 2150 Atari/Amiga 1714 58 -63 146 33% 1837 131 The Final Chesscard 6502 5 MHz 1700 57 -64 156 27% 1871 132 Novag Super VIP 1687 53 -58 174 32% 1816 132 Chessmaster 2100 Amiga 68000 1687 65 -76 120 25% 1874 134 Mephisto Europa 1682 50 -52 190 42% 1740 135 Saitek Superstar 36K 6502 2 MHz 1678 23 -24 954 31% 1818 136 Fidelity Elite A/S 6502 3.2 MHz 1677 23 -24 1023 29% 1836 137 Chess Champion 2175 Atari/Amiga 1672 56 -62 157 30% 1821 138 Conchess Glasgow 6502 2 MHz 1667 24 -25 855 34% 1781 139 Novag Quattro 6502 4 MHz 1662 30 -31 560 33% 1790 140 Fidelity Prestige 6502 4 MHz 1660 64 -66 118 44% 1702 141 Chessmaster 2000 Atari 68000 8 MHz 1654 41 -45 312 25% 1841 142 Novag Constellation 6502 3.6 MHz 1647 31 -32 504 41% 1714 143 Novag Constellation Primo 1637 57 -59 149 44% 1682 144 Novag Constellation 6502 2 MHz 1596 32 -33 479 35% 1705 145 CXG Super Enterprise 1562 36 -39 386 28% 1726 Rating : ELO rating +/- : deviation Games : number of games played Won : percentage of games won Oppo : medium opponent ELO rating
By Thoralf Karlsson,
thoralf.karlsson@mailbox.swipnet.se
Chairman of the SSDF
Although our resources for testing new chess programs has increased during the last year, they are certainly not unlimited. We cannot play with all commercially available programs. Our policy has been to spend most of our time on the PC-programs that we believe are the strongest. The goal is to play at least about 400-500 games in order to get a reasonably high accuracy of the rating figures. We prefer to have fewer programs with lower margins of error than the reverse situation.
During the rest of 1996 we will only play with new programs on Pentium 90 MHz, and not on the 486. Most of the testers with 486-PCs have upgraded to Pentiums. Giving up the playing on two different hardwares, gives us increased capacity and an opportunity to play also with programs which are not among the very best.
One such program is Gandalf, which is made by the Dane Steen Suurballe. Gandalf made it's first appearance on the chess computer scene in Munich November 1993. It started with some surprising gains and ended up with 3,5 out of 9 points. The program is now for sale and we have played 105 games with Gandalf 2.1 Pentium 90 MHz. The rating so far is 2061, with a margin of error of 85. The playing strength is certainly much lower than what we have been used to, but I would personally be very proud if I had managed to write a program that played as good as Gandalf! We will continue to play at least 60 more games until the next list.
The changes in the top of the list have been rather small. Hiarcs 4.0 P90 has gained ten points and is now only three points behind Hiarcs 3.0 P90. Genius 4.0 is still about ten points behind Genius 3.0 on Pentium 90 MHz. On 486/50-66 MHz Genius 4.0 is leading with 21 points. Rebel 7.0 P90 has two points more than Rebel 6.0, but on 486 Rebel 7.0 has 47 points more. MChess Pro 5.0 continues to hold the first place of the list.
The next list will appear in six or seven weeks. At the moment it isn't entirely clear which new programs that will be included on the next list, but we hope to add one or two more until then.