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Rating + - Games Won Oppo
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1 Genius 3.0 Pentium 90 MHz 2420 29 -28 626 64% 2320
2 MChess Pro 5.0 Pentium 90 MHz 2418 28 -27 699 65% 2313
3 Rebel 6.0 Pentium 90 MHz 2415 31 -31 520 60% 2339
4 Rebel 7.0 Pentium 90 MHz 2412 28 -27 671 61% 2330
5 Genius 4.0 Pentium 90 MHz 2409 27 -26 705 65% 2298
6 Hiarcs 4.0 Pentium 90 MHz 2392 30 -30 545 57% 2341
7 Genius 4.0 486/50-66 MHz 2391 31 -31 516 60% 2319
8 Nimzo 3.0 Pentium 90 MHz 2388 30 -29 577 60% 2314
9 Hiarcs 3.0 Pentium 90 MHz 2380 31 -30 525 57% 2333
10 MChess Pro 4.0 Pentium 90 MHz 2367 30 -30 538 54% 2341
11 Genius 3.0 486/50-66 MHz 2362 24 -24 870 63% 2265
12 Fritz 3.0 Pentium 90 MHz 2361 29 -29 593 55% 2324
13 R30 v. 2.5 2356 52 -48 215 68% 2226
14 MChess Pro 5.0 486/50-66 MHz 2351 32 -31 500 57% 2300
14 Rebel 7.0 486/50-66 MHz 2351 30 -30 545 56% 2306
16 Mephisto Genius 2.0 486/50-66 MHz 2340 24 -23 897 59% 2278
17 Kallisto 1.98 Pentium 90 MHz 2338 31 -31 499 50% 2335
18 WChess 1.06 Pentium 90 MHz 2324 30 -30 540 49% 2330
19 MChess Pro 4.0 486/50-66 MHz 2320 25 -24 803 55% 2284
20 Fritz 4.0 Pentium 90 MHz 2315 50 -47 218 63% 2222
21 WChess 1.03 486/50-66 MHz 2305 27 -27 677 49% 2311
22 Chess Machine 30-32 MHz Schröder 3.1 2304 32 -30 546 68% 2173
23 Hiarcs 3.0 486/50-66 MHz 2303 25 -25 766 53% 2283
24 Rebel 6.0 486/50-66 MHz 2302 24 -24 864 55% 2263
25 Meph Genius 68 030 33 MHz 2301 47 -46 228 57% 2254
26 Ch.Machine 30 MHz King 2.0 aggr/R30 off 2297 22 -21 1133 66% 2182
27 Chessmaster 4000 486/50-66 MHz 2293 34 -33 462 66% 2173
28 Chess Genius 1.0 486/50-66 MHz 2288 23 -23 911 55% 2256
29 Chess Machine 30 MHz Schröder 3.0 2275 62 -55 168 73% 2102
30 MChess Pro 3.5 486/50-66 MHz 2273 23 -23 900 53% 2250
30 Mephisto Gideon Pro 486/50-66 MHz 2273 35 -34 421 62% 2185
32 Rebel Decade Pentium 90 MHz 2269 32 -33 464 43% 2322
33 MChess Pro 3.12 486/50-66 MHz 2266 36 -34 438 69% 2123
34 Fritz 3.0 486/50-66 MHz 2260 23 -23 916 53% 2235
35 Mephisto Lyon 68030 36 MHz 2251 30 -28 651 72% 2087
36 Chess Genius 1.0 486/33 MHz 2245 32 -32 463 50% 2245
37 Mephisto Portorose 68030 36 MHz 2237 40 -36 407 77% 2028
38 Mephisto Vancouver 68030 36 MHz 2233 37 -34 451 73% 2058
39 MChess Pro 3.12 486/33 MHz 2228 50 -48 208 60% 2154
40 Comet32 Pentium 90 MHz 2225 41 -43 289 38% 2309
41 Berlin Pro 68 020 24 MHz 2220 26 -25 770 60% 2148
42 Kallisto 1.82-1.83 486/50-66 MHz 2219 23 -23 933 45% 2256
43 Kasparov SPARC 20 MHz 2213 26 -26 721 53% 2192
44 Hiarcs Master 2.0 486/33 MHz 2202 46 -46 229 51% 2193
44 Mephisto RISC 1 MB ARM 2 14 MHz 2202 21 -21 1108 58% 2146
46 Chess Machine Schröder 512K ARM2 16MHz 2194 27 -26 703 62% 2110
46 Saitek RISC 2500 ARM2 14 MHz 128K 2194 22 -21 1062 56% 2149
48 MChess 1.1-1.71 486/33 MHz 2193 44 -40 326 74% 2015
49 Mephisto Montreux ARM 14 MHz 512K 2188 33 -31 554 74% 2005
50 Chess Machine The King 512K ARM2 16MHz 2176 32 -32 473 55% 2138
51 Mephisto Vancouver 68020 12 MHz 2161 23 -22 987 66% 2042
52 Mephisto Lyon 68020 12 MHz 2151 19 -18 1442 59% 2087
53 Socrates 3.0 486/33 MHz 2142 49 -50 203 47% 2163
54 Fritz 2.0 486/33 MHz 2134 30 -31 527 45% 2168
55 Mephisto Portorose 68020 12 MHz 2127 26 -24 896 73% 1956
56 M Chess 1.1-1.71 386/25-33 MHz 2126 36 -35 408 65% 2017
57 Fidelity Elite 68030 32 MHz (vers.9) 2121 40 -37 372 73% 1951
58 Mephisto Berlin 68 000 12 MHz 2119 24 -24 852 57% 2065
59 Mephisto Lyon 68000 12 MHz 2104 22 -21 1068 58% 2047
60 Mephisto Vancouver 68000 12 MHz 2103 22 -22 982 56% 2057
61 Mephisto MM 4 Turbo Kit 6502 16 MHz 2092 46 -42 292 73% 1918
62 Novag Sapphire H8 10 MHz 2088 23 -23 907 50% 2089
63 Fidelity Mach IV 68020 20 MHz 2074 19 -19 1378 51% 2067
64 Mephisto Almeria 68020 12 MHz 2073 42 -40 305 62% 1986
65 Hiarcs Master 1.0 486/33 MHz 2071 48 -48 214 48% 2088
66 Gandalf 2.1 Pentium 90 MHz 2043 47 -53 228 27% 2217
66 Mephisto Portorose 68000 12 MHz 2043 26 -25 767 63% 1948
68 Mephisto Polgar 6502 10 MHz 2042 43 -41 283 59% 1979
69 Fritz 1.0 486/33 MHz 2041 48 -47 215 55% 2008
70 Fidelity Elite 68000 x 2 (vers. 5) 2036 49 -48 209 57% 1986
71 Nimzo 2.2.1 486/33 MHz 2035 46 -47 229 42% 2089
72 Zarkov 3.0 486/25-33 MHz 2030 46 -48 232 39% 2109
73 Mephisto Roma 68020 14 MHz 2029 27 -26 712 65% 1919
73 Rex Chess 2.3 386/25-33 MHz 2029 65 -62 126 59% 1964
75 Mephisto Dallas 68020 14 MHz 2022 35 -32 492 72% 1861
76 Mephisto Almeria 68000 12 MHz 2020 32 -30 534 67% 1898
76 Zarkov 2.5 386/25-33 MHz 2020 56 -53 168 61% 1941
76 Kasparov Brute Force H8 10 MHz 2020 23 -23 906 44% 2059
79 Fritz 1.0 386/25-33 MHz 2007 66 -67 113 46% 2039
80 Novag Diablo 68000 16 MHz 2006 21 -21 1103 41% 2072
81 Fidelity Mach III 68000 16 MHz 1993 14 -14 2410 52% 1980
82 Complete Chess System 486/33 MHz 1984 47 -47 221 47% 2007
83 Mephisto MM 5 6502 5 MHz 1977 19 -19 1308 48% 1990
84 Kasparov President/GK-2100 H8 10 MHz 1975 29 -30 558 47% 1998
85 Mephisto Dallas 68000 12 MHz 1972 21 -21 1158 61% 1890
86 Mephisto Polgar 6502 5 MHz 1970 17 -17 1733 41% 2033
86 Mephisto Roma 68000 12 MHz 1970 18 -18 1519 56% 1927
88 Mephisto Milano 6502 5 MHz 1965 24 -25 820 42% 2025
89 Novag Super Expert C 6502 6 MHz Sel 5 1961 18 -18 1531 46% 1989
90 Zarkov 2.6 386/25-33 MHz 1960 64 -62 125 56% 1917
91 Mephisto Academy 6502 5 MHz 1937 18 -18 1495 44% 1979
92 Chessmaster 3000 386/25-33 MHz 1932 68 -74 103 36% 2031
93 Rex Chess 2.3 386/16-20 MHz 1930 53 -53 174 49% 1936
94 Saitek Leonardo Maestro B 6502 18 MHz 1928 73 -67 105 62% 1842
95 Mephisto Amsterdam 68000 12 MHz 1926 22 -22 1020 58% 1872
96 Novag Super Expert B 6502 6 MHz sel 4 1919 29 -29 562 48% 1934
97 Mephisto Mega IV 6502 4.9 MHz 1917 18 -18 1544 44% 1956
98 Saitek Maestro D 6502 10 MHz 1915 26 -26 736 51% 1909
99 Fidelity Excel Mach IIc 68000 12 MHz 1914 23 -23 955 50% 1911
100 Novag Expert Turbo Kit 6502 16 MHz 1910 67 -63 120 61% 1829
101 Mephisto MM 4 6502 5 MHz 1903 19 -19 1288 51% 1900
102 Fidelity Travel Master H8/330 10 MHz 1898 65 -79 123 22% 2113
103 Kasparov GK-2000 H8 10 MHz 1896 29 -29 593 42% 1952
103 Mephisto Modena 6502 4 MHz 1896 28 -29 615 41% 1959
105 Psion Atari 68000 8 MHz 1882 18 -18 1487 44% 1928
106 CXG Sphinx Galaxy 6502 4 MHz 1881 17 -18 1670 38% 1971
107 Novag Ruby H8 10 MHz 1879 30 -30 545 42% 1934
108 Fidelity Excel Mach IIa 68000 12 MHz 1878 46 -47 226 47% 1898
109 Saitek Turboking II 6502 5 MHz 1868 23 -23 963 37% 1964
110 Conchess Plymate Victoria 6502 5.5 MHz 1867 26 -27 701 40% 1941
111 Fidelity Excel Club 68000 12 MHz 1857 23 -23 931 51% 1848
112 Mephisto Mega IV Brute Force 1852 36 -37 370 41% 1915
113 Novag Super Expert/Forte A 6502 5 MHz 1836 19 -20 1318 39% 1917
114 Fidelity Par Excellence 6502 5 MHz 1835 22 -22 1021 49% 1846
115 Fidelity Avant Garde 6502 5 MHz 1834 20 -20 1196 46% 1866
116 Mephisto Rebell 6502 5 MHz 1825 19 -19 1373 39% 1907
117 Saitek Stratos/Analys B 6502 6 MHz 1820 20 -21 1213 38% 1908
118 Mephisto Super Mondial 6502 4 MHz 1818 19 -20 1335 37% 1908
119 Novag Forte B 6502 5 MHz 1816 24 -24 837 44% 1860
120 Saitek Leonardo Maestro A 6502 6 MHz 1811 30 -30 547 45% 1846
121 Novag Forte A 6502 5 MHz 1809 22 -22 964 48% 1821
122 Conchess Plymate 6502 5.5 MHz 1808 15 -16 2040 40% 1881
123 Saitek Simultano/Corona C 6502 5 MHz 1806 23 -24 969 33% 1932
124 Fidelity Excellence 6502 4 MHz 1800 18 -18 1565 43% 1852
125 Novag Expert 6502 4 MHz 1788 24 -24 843 42% 1847
126 Fidelity Elegance 6502 3.6 MHz 1781 40 -40 303 54% 1751
127 Conchess Plymate 6502 4 MHz 1779 39 -38 333 55% 1747
128 Mephisto MM 2 6502 3.7 MHz 1773 49 -48 208 52% 1756
129 Saitek Turbostar 432 6502 4 MHz 1764 22 -22 1005 45% 1802
130 Fidelity Excellence 6502 3 MHz 1757 22 -23 960 42% 1815
131 Saitek Kasparov Blitz 1734 45 -47 239 37% 1825
131 Novag Super Nova 1734 37 -38 350 40% 1802
133 Novag Super Constellation 6502 4 MHz 1731 18 -18 1626 35% 1840
134 Conchess Glasgow 6502 4 MHz 1719 39 -39 327 50% 1722
135 Chessplayer 2150 Atari/Amiga 1714 58 -63 146 33% 1837
136 The Final Chesscard 6502 5 MHz 1700 57 -64 156 27% 1871
137 Novag Super VIP 1687 53 -58 174 32% 1816
137 Chessmaster 2100 Amiga 68000 1687 65 -76 120 25% 1874
139 Mephisto Europa 1682 50 -52 190 42% 1740
140 Saitek Superstar 36K 6502 2 MHz 1678 23 -24 954 31% 1818
141 Fidelity Elite A/S 6502 3.2 MHz 1677 23 -24 1023 29% 1837
142 Chess Champion 2175 Atari/Amiga 1672 56 -62 157 30% 1821
143 Conchess Glasgow 6502 2 MHz 1667 24 -25 855 34% 1781
144 Novag Quattro 6502 4 MHz 1662 30 -31 560 33% 1790
145 Fidelity Prestige 6502 4 MHz 1660 64 -66 118 44% 1702
146 Chessmaster 2000 Atari 68000 8 MHz 1654 41 -45 312 25% 1840
147 Novag Constellation 6502 3.6 MHz 1647 31 -32 504 41% 1714
148 Novag Constellation Primo 1637 57 -59 149 44% 1683
149 Novag Constellation 6502 2 MHz 1596 32 -33 479 35% 1706
150 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
Since November last year MChess Pro 5.0 P90 has been the highest rated chess program on the SSDF rating list. After a small loss of only three points in comparison with the latest list, this isn't the case any longer. The "new" number one of the list is Genius 3.0 P90, which had this position during most of 1995.
Thus it seems that there hasn't been any real improvement of playing strength during the last 20 months. Several programs have become clearly stronger than before and some of them are now equally strong as Genius 3. But no one has succeeded to make his program clearly stronger than what was available already nearly two years ago.
Compared to the list from August 3, there is one clear winner on the present list. Fritz 4.0 P90 has gained as much as 28 points, and now has 2315! The difference between Fritz 3 and 4 is now 46 points, which is less than the margin of error.
Nimzo 3 P90 has gained eight points. With 2388 Donningers program is only 32 points after Genius 3 P90. R30 v. 2.5 has lost eight points and Decade has won six points during the last month.
We have played about fifty games with CM5000 P90. The results so far indicate that it is one of the strongest programs available. Although manual testing is a slow procedure, we expect it to be included on next list in late October.
A couple of days ago we started to play with Rebel 8.0 on P90. Until next list we will know how strong this new program from Ed Schröder is.
In October MChess Pro 6.0 is expected to be for sale and later this year Genius 5.0 will become available. It will be exciting to see if any of the new programs will succeed in raising the playing strength of the PC-based computer chess!
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