Author: Derrick Wilson
Date: 17:06:53 08/04/00
Go up one level in this thread
On August 04, 2000 at 18:51:13, Enrique Irazoqui wrote: >Just got it: > > THE SSDF RATING LIST 2000-08-04 74012 games played by 209 computers > Rating + - Games Won Oppo > ------ --- --- ----- --- ---- > 1 Fritz 6.0 128MB K6-2 450 MHz 2631 28 -27 673 67% 2504 > 2 Junior 6.0 128MB K6-2 450 MHz 2601 25 -24 864 67% 2478 > 3 Chess Tiger 12.0 DOS 128MB K6-2 450 MHz 2573 30 -29 569 63% 2481 > 4 Fritz 5.32 128MB K6-2 450 MHz 2553 31 -30 557 62% 2467 > 5 Nimzo 7.32 128MB K6-2 450 MHz 2549 29 -28 613 62% 2463 > 6 Goliath Light 128MB K6-2 450 MHz 2534 48 -48 210 51% 2528 > 7 Hiarcs 7.32 128MB K6-2 450 MHz 2533 31 -31 519 60% 2460 > 8 Junior 5.0 128MB K6-2 450 MHz 2526 29 -28 598 58% 2467 > 9 SOS 128MB K6-2 450 MHz 2516 57 -55 159 58% 2456 > 10 Nimzo 99 128MB K6-2 450 MHz 2501 29 -29 581 54% 2475 > 11 Crafty 17.07/CB 128MB K6-2 450 MHz 2499 27 -27 651 51% 2496 > 12 Fritz 5.32 64MB P200 MMX 2477 20 -20 1208 57% 2429 > 12 Hiarcs 7.32 64MB P200 MMX 2477 25 -24 815 60% 2404 > 14 Chessmaster 6000 64MB P200 MMX 2473 61 -53 184 76% 2278 > 15 MChess Pro 8.0 128MB K6-2 450 MHz 2470 34 -35 418 44% 2511 > 16 Fritz 5.0 PB29% 67MB P200 MMX 2459 23 -22 1005 66% 2342 > 17 Hiarcs 7.0 64MB P200 MMX 2458 21 -21 1106 55% 2420 > 18 Nimzo 99 64MB P200 MMX 2447 23 -23 885 51% 2439 > 19 Junior 5.0 64MB P200 MMX 2433 22 -22 1010 51% 2427 > 20 Nimzo 98 58MB P200 MMX 2423 22 -22 1038 58% 2367 > 21 Rebel 9.0 47MB P200 MMX 2419 24 -23 900 61% 2340 > 22 Hiarcs 6.0 49MB P200 MMX 2417 24 -24 829 56% 2373 > 23 Rebel 8.0 51MB P200 MMX 2409 23 -23 887 50% 2408 > 24 MChess Pro 6.0 41MB P200 MMX 2407 26 -25 749 54% 2378 > 25 Shredder 2.0 58MB P200 MMX 2396 21 -21 1054 48% 2408 > 26 MChess Pro 7.1 46MB P200 MMX 2394 22 -22 1042 53% 2371 > 27 Genius 5.0 DOS 46MB P200 MMX 2393 21 -21 1093 52% 2378 > 28 MChess Pro 8.0 64MB P200 MMX 2390 27 -27 681 53% 2366 > 29 Chess Tiger 11.8 Pentium 90 MHz 2387 45 -45 242 52% 2375 > 30 Gandalf 3.0 64MB P200 MMX 2364 41 -40 307 59% 2296 > 31 Kallisto II 64MB P200 MMX 2342 35 -35 403 52% 2327 > 32 Rebel 9.0 Pentium 90 MHz 2334 23 -23 890 47% 2356 > 33 Hiarcs 6.0 Pentium 90 MHz 2332 18 -18 1437 51% 2328 > 34 Genius 5.0 DOS Pentium 90 MHz 2329 18 -18 1558 47% 2348 > 35 MChess Pro 6.0 Pentium 90 MHz 2309 17 -17 1726 45% 2343 > 36 Nimzo 3.5 Pentium 90 MHz 2293 22 -22 998 46% 2322 > 37 Chessmaster 5000 Pentium 90 MHz 2287 49 -45 240 67% 2162 > 37 Junior 4.0 Pentium 90 MHz 2287 22 -22 1035 42% 2341 > 39 Shredder 1.0 Pentium 90 MHz 2282 59 -58 145 53% 2262 > 40 R30 v. 2.5 2274 41 -38 343 69% 2135 > 41 CometA90 64MB P200 MMX 2251 37 -39 358 36% 2351 > 42 Fritz 4.0 Pentium 90 MHz 2234 40 -39 324 60% 2163 > 43 WChess 1.06 Pentium 90 MHz 2230 20 -20 1222 39% 2308 > 44 Meph Genius 68 030 33 MHz 2198 45 -44 248 55% 2161 > 45 Berlin Pro 68 020 24 MHz 2125 24 -24 850 58% 2071 > 45 Meph RISC 2 1 MB 2125 62 -66 125 39% 2205 > 47 Mephisto Montreux ARM 14 MHz 512K 2099 29 -28 689 73% 1930 > 48 Atlanta SH7000 20 MHz 2093 31 -29 580 67% 1967 > 49 Sapphire II 2013 35 -33 444 63% 1917 > 50 Milano Pro SH7000 20 MHz 1974 33 -32 469 61% 1895 > > > > 6 Goliath Light 128MB K6-2 450 MHz, 2534 >Junior6 K6450 12-28 Ch.Ti12 K6450 9-13 Nimz732 K6450 3.5-4.5 >Hiar732 K6450 15-14 Nimzo99 K6450 26.5-13.5 Craf17.07 K62 23-17 >MCP8 K6-2 450 15.5-11.5 MCP 6 P200MMX 2.5-1.5 > > 9 SOS 128MB K6-2 450 MHz, 2516 >Hiar732 K6450 6-10 Nimzo99 K6450 10-4 Fritz532 P200 10.5-7.5 >Hiarcs7 P200X 22.5-15.5 Junior5 P200X 18.5-13.5 190 P200MMX 23.5-13.5 >MCP 6 P200MMX 2-2 > > 15 MChess Pro 8.0 128MB K6-2 450 MHz, 2470 >Fritz6 K6-450 9-35 Junior6 K6450 15-25 204 K6-450 3.5-4.5 >Nimz732 K6450 19-25 Goliath K6450 11.5-15.5 Hiar732 K6450 1-4 >Junior5 K6450 15.5-24.5 Nimzo99 K6450 20.5-21.5 Craf17.07 K62 7-15 >Fritz532 P200 17.5-28.5 Hiarcs7 P200X 21-19 Junior5 P200X 16.5-3.5 >193 P200MMX 27.5-12.5 > > > > >The SSDF rating list provides information about >the relative strength of chess programs, when >tested in the way SSDF does, but does not >necessarily say which ELO-rating a certain program >would achieve after having played hundreds of >tournament games against human players. > >How good or bad the individual correlation >between SSDF- and ELO-ratings is, will most >likely never be established. So many games against >humans will never be played. > >Apart from establishing relative ratings, we have had >the ambition that the general level of the list >would be fairly realistic, compared to human ratings. >From our start in 1984 we have used tournament games >against Swedish chess players to calibrate the list. >At some points we have discarded older games, believing >that human chess players with time have become better >to exploit the weaknesses of chess programs. > >Until the latest rating list the level of the list has >been unchanged from summer 1991, and was based on 337 >tournament games against Swedish players between 1987 and >1991. Regrettably it has not been possible for us to >play any more games for many years now. > >For some time we had the general impression that >the level of the list was rather OK. But during the >latest years it has become more and more obvious that >the best programs on the latest hardware don't >get as high ELO-ratings as our list could be interpreted >to predict. > >If this is due to differences between Swedish- and ELO- >ratings, to the "human learning effect", to some kind of >"spreading effect" in a computer-computer list or a com- >bination of these and perhaps other factors, we don't know. > >It is difficult to find a perfect solution, but we have >chosen to correlate the level of the list to the results >of tournament games between computers and ELO-rated >humans, played during the latest years. For us it has >been very convenient to use Chris Carsons compilation >of such games. Calculations based on these games indicate >that the level of the list is about 100 points too high. >So from now on we have lowered the list with 100 points! > >Our hope is that the SSDF-ratings of the top entrants as >a group now are better correlated with ELO-ratings. If >the rating-inflation to a large part is due to >a "spreading-effect", there is now a certain possibility >that the older and weaker entrants of the list would play >better against humans than their SSDF-ratings could indi- >cate. But having to choose, we prefer to secure that the >top programs have as correct ratings as possible. > >It is interesting to see how well chess programs play against >each other, but it's even more fascinating to see what they >can achieve against humans! I hope that more games against >strong humans will be played in the future, and that >Chris Carson will continue to collect these games, so that >the level of the SSDF list can be more securely established. > >Compared to the latest rating list in early April we now >have 1953 more tournament games and three new entrants. >Marty Hirschs MChess Pro 8.0 has been replayed on K6-2 450 MHz. >After 418 games it has 2470, which is 80 points more than >on Pentium MMX 200 MHz. The difference between these two >hardwares has in average been 79 points, so the result >is as expected. > >Completely new on the list is Michael Borgstädts >Goliath Light K6-2 450 MHz. It is played under the Fritz >surface using the opening book general.ctg from Fritz 6. >It has got a rating of 2534, which gives it a sixth >place on the list! > >SOS K6-2 450 MHz is written by Rudolf Huber and is also >played with the opening book of Fritz 6. After 159 games >it has 2516 and a ninth place! > >Crafty 17.07 K6-2 has lost 24 points compared to the >latest list and Nimzo 99 K6-2 has 22 points less. >Fritz 6 K6-2 has gone up 10 points and Junior 6 K6-2 >has increased 12 points. > >Next official list will be made in September or >October. > >Thoralf Karlsson I don't believe this list for a second!! Consider this, on a pent 200 the list states that hiarcs6 is only 2417, yet the same program on that hardware defeated 2495 dean hergott in a six game match!!
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