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Chess Genius (Computer)
Number of games in database: 43
Years covered: 1993 to 1999
Overall record: +17 -13 =13 (54.7%)*
   * Overall winning percentage = (wins+draws/2) / total games.

Repertoire Explorer
Most played openings
B09 Pirc, Austrian Attack (2 games)
D00 Queen's Pawn Game (2 games)
D11 Queen's Gambit Declined Slav (2 games)
B10 Caro-Kann (2 games)
B18 Caro-Kann, Classical (2 games)
B02 Alekhine's Defense (2 games)
A22 English (2 games)
E11 Bogo-Indian Defense (2 games)

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[what is this?]

Its programmer is Richard Lang, the creator of Mephisto (Computer). At London in 1994, this was one of the first computer programs to employ the powerful architectures of the newly minted chips of what eventually became a popular type of Intel computer processor called the Pentium. It was there that it achieved the milestone of becoming the first computer to beat a world champion (Garry Kasparov) at a non-blitz time control. ChessGenius is available for a variety of platforms (2), including mobile/tablet devices (in its version 3.2.00)(3).

References: (1) Wikipedia article: ChessGenius, (2), (3)


Last updated: 2017-02-17 07:29:59

 page 1 of 2; games 1-25 of 43  PGN Download
Game  ResultMoves YearEvent/LocaleOpening
1. Chess Genius vs Bagirov 1-07519934/93-52 11 Robert PB02 Alekhine's Defense
2. Anand vs Chess Genius  1-07519933rd Principe de Asturias rapidB18 Caro-Kann, Classical
3. Chess Genius vs Bronstein  1-02619933rd Principe de Asturias rapidB09 Pirc, Austrian Attack
4. Chess Genius vs Zsofia Polgar  ½-½6619933rd Principe de Asturias rapidD47 Queen's Gambit Declined Semi-Slav
5. Anand vs Chess Genius 1-0411994London GP,B17 Caro-Kann, Steinitz Variation
6. R Cifuentes vs Chess Genius  1-0491994The Hague AEGONE15 Queen's Indian
7. T Krabbe vs Chess Genius ½-½601994The Hague AEGONC42 Petrov Defense
8. Chess Genius vs Anand 0-1541994Intel Chess Grand Prix (active), IXE11 Bogo-Indian Defense
9. Kasparov vs Chess Genius 0-1601994Intel Chess Grand PrixD11 Queen's Gambit Declined Slav
10. Chess Genius vs P Nikolic  1-0521994Intel Chess Grand Prix (active), IXE11 Bogo-Indian Defense
11. Chess Genius vs Kasparov ½-½561994Intel Chess Grand PrixE12 Queen's Indian
12. P Nikolic vs Chess Genius  0-1711994Intel Chess Grand Prix (active), IXD12 Queen's Gambit Declined Slav
13. P W Van Voorthuijsen vs Chess Genius  1-0511994The Hague AEGONC43 Petrov, Modern Attack
14. Chess Genius vs Bronstein 0-1301994?E67 King's Indian, Fianchetto
15. Bronstein vs Chess Genius 1-0321994?B18 Caro-Kann, Classical
16. Chess Genius vs R Farrell  ½-½661994ANU Carbon v Silicon MatchB22 Sicilian, Alapin
17. Chess Genius vs G West 1-01101994ANU Carbon v Silicon MatchB07 Pirc
18. T Reilly vs Chess Genius 0-1821994ANU Carbon v Silicon MatchD10 Queen's Gambit Declined Slav
19. B Butler vs Chess Genius 0-1701994ANU Carbon v Silicon MatchD00 Queen's Pawn Game
20. Chess Genius vs M Roeder  1-0291994ANU Carbon v Silicon MatchB92 Sicilian, Najdorf, Opocensky Variation
21. Chess Genius vs O Sarapu  ½-½461994Computer GameA15 English
22. O Sarapu vs Chess Genius  1-0851994Computer GameB09 Pirc, Austrian Attack
23. Chess Genius vs Kasparov  ½-½521995CologneA04 Reti Opening
24. Kasparov vs Chess Genius 1-0391995CologneD15 Queen's Gambit Declined Slav
25. A Benschop vs Chess Genius  0-1641995The Hague AEGONC90 Ruy Lopez, Closed
 page 1 of 2; games 1-25 of 43  PGN Download
  REFINE SEARCH:   White wins (1-0) | Black wins (0-1) | Draws (1/2-1/2) | Chess Genius wins | Chess Genius loses  

Kibitzer's Corner
Sep-03-04  Lawrence: The guy my son caught using Chess Genius on his mobile phone during a tournament has been banned for 3 years.
Premium Chessgames Member
  Gypsy: What hapened <Lawrence>? Without further details, this kind of hangs out there -- in a nonsequitur sort of way. (Perhaps you explained the incident elsewhere and I missed it?)

Btw, glad that the guy got nailed!

Sep-06-04  Lawrence: <Gypsy>, original post seems to have disappeared. Must be about 8 months ago now that my son was playing against a guy who didn't have a very high rating but who was smashing everybody in the tournament. It appeared he had a very weak bladder because every move or two he was getting up and going to the toilet. There had been an article in Chessbase about a player who had been doing exactly the same thing. My son said "Take your cellphone out of your pocket and don't turn it off" whereupon the guy took out his phone and turned it off, but my son saw that it had Chess Genius on it.
Premium Chessgames Member
  Gypsy: Thanks for the background <Lawrence>. My view is that the cheat should have gotten a 5-year ban; 3-years for cheating and 2-years for his dumb, unimaginative way of doing so.
Premium Chessgames Member
  THE pawn: Hahaha, that must be the funniest thing I've ever read. If someone ever wants to cheat, he really should be more my, using a cellphone to beat the other players, then wander in the toilets every two or three moves hahahahah! HAHAHA! so funny!

Hahaha...ah my god...Haha seriously he should be banned for life. When you can't be honest, then you have no life, and it's bebye...

Jul-25-05  sandyobrien: I beat this progam today on my friends phone (finally), game to be submitted soon!
Feb-13-06  MoranCho: I was wondering if anybody knew
of a way to open a cantaloupe with
their bare hands.
Premium Chessgames Member
  WannaBe: <MoranCho> I'd just drop it on the ground/floor.
May-17-06  iWaNnAbAgM: how can i get chess genius?
May-17-06  blingice: By traveling back to 1999 and paying $1.5 million dollars to the first man you meet.
Premium Chessgames Member
  THE pawn: <iwannabagm> you can download it at their official site. Or just ''google'' for chessgenius.
May-26-06  iWaNnAbAgM: How strong is this computer anyway?
Premium Chessgames Member
  THE pawn: master's strength, I would say. I can draw against him on ± blitz game.

He's about 2300-2350.

Jan-19-07  schlechtj: All the games represented here are not the palm or phone versions of genius. They are from the computer games. At the time most of these games were played, Genius (4) was the strongest computer program in the world having a rating of 2256 on a 486 or 2305 on a pentium 90. I beleive the program was origionally written for the mephisto line of dedicated chess computers. Genius was also one of the first programs (along with fritz 3) to beat Kasparov. The program your looking for is chess genius classic for the computer. The full version has the engines for versions 2-7 (there was no 5) so you can play aganst the same engine that beat kasparov. You can also play with winboard engines. Here is something interesting though. I played a tournament aganst genius 7 and ruffian 1.05 rated 2680 on an athlon 1200mhz (no known rating for genius 7). Genius was the best program in 1993 and ruffian was the best FREE program a decade later. Genius lost the tournament 2-4 a showing of 2555 for that match. Now of course your cell phone is much slower than that athlon so the strength will be much less also. Probably around 1900 or so because a cell phone wouldnt have space for a large opening book, hash tables or endgame databases like the computer game dose. but remember computers are relativly much stronger than humans at blitz so the rating would effictivly go up.
Jan-23-08  sallom89: finally i did beat that program on my mobile 2 times , i have to admit it is not that strong and it didn't take alot of thinking . Game one :

1.e4 e5 2.c3 d5 3.exd5 Qxd5 4.d4 exd4 5.cxd4 Bb4+ 6.Nc6 Bf5 7.Nf3 Qe6+ 8.Be2 Nf6 9.0-0 0-0 10.Ne5 Nd5 11.Bd2 Bd6 12.f4 Rd8 13.Rf3 Nb6 14.Rg3 f6 15.Bg4 fxe5 16.Bxf5 Qxf5 17.dxe5 Bc5+ 18.Kh1 Kh8 19.Qe2 Nc6 20.Be2 Bxe3 21.Qxe3 Qc2 22.Ne4 Nc4 23.Qf3 Qxb2 24.Rg1 Qxa2 25.Rh3 Nd2 26.Qh5 (threatening mate)..h6 27.Nf6 Qc4 28.Qg6 (threatening mate black must defend with queen)..Qg8 29.Nxg8 Kxg8 30.e6 Ne4 31.Qe4 Rd4 32.Qg6 Kh8 33.Re1 Rad8 34.g4 Rd1 35.Rxd1 Rxd1+ 36.Kg2 Rd2+ 37.Kf1 Rd1+ 38.Ke2 Rd6 39.f5 Rd5 40.Rd3 Re5+ 41.Re3 Nd4+ 42.Kf2 Rxe3 43.Rxe3 Nc6 44.Qe8+ Kh7 45.Qxc6 Bxc6 46.e7 c5 47.e8=Q c4 48.Qc6 a5 49.Qxc4 c5 50.Qxc5 a4 51.Qa5 Kg8 52.Qxa4 Kf7 53.Ke2 Ke7 54.Ke5 h5 55.g5 h4 56.f6+ gxf6+ 57.gxf6+ Kd8 58.Qa7 Kc8 59.f7 Kd8 60.f8=Q++

i may post game two when my fingers take some rest of typing notations lol.

Jun-27-08  Swifty31: I use Genius almost exclusively for postmordems of my games. Better than Crafty ever thought about being for this.
Jul-10-08  myschkin: In August 94,
Genius 3 beat Kasparov in a 2 game match - the first Computer ever to defeat a player of his status in a serious non-blitz match (25 minutes per game). It also beat GM Nikolic in the same tournament, achieving a 2795 ELO rating for its performance in that tournament, running on a 100Mhz Pentium computer. (

Der nächste Akt in diesem Match folgte noch im selben Jahr in London. Es wurden Wettkämpfe zu je zwei 25 Minuten-Partien gespielt. Garry Kasparov verlor in der ersten Runde gegen Chess Genius mit ½ : 1½ – der Computer warf den Weltmeister aus dem Bewerb! Die denkwürdige erste Partie verlief wie folgt:

Garry Kasparov - Genius 3.0/Pentium, London 1994
Slawisch/angen. Damengambit (25 Min.-Schnellpartie)
1. c2-c4 c7-c6
2. d2-d4 d7-d5
3. Sg1-f3 Sg8-f6
4. Dd1-c2 d5xc4
5. Dc2xc4 Lc8-f5
6. Sb1-c3 Sb8-d7
7. g2-g3 e7-e6
8. Lf1-g2 Lf8-e7
9. O-O O-O
10. e2-e3 Sf6-e4
11. Dc4-e2 Dd8-b6
12. Tf1-d1 Ta8-d8
13. Sf3-e1 Sd7-f6
14. Sc3xe4 Sf6xe4
15. f2-f3 Se4-d6
16. a2-a4 Db6-b3
17. e3-e4 Lf5-g6
18. Td1-d3 Db3-b4
19. b2-b3 Sd6-c8!
Öffnet zwei wichtige Wirkungslinien (von Turm und Läufer). 20. Se1-c2 Db4-b6
21. Lc1-f4 c6-c5!
22. Lf4-e3 c5xd4
23. Sc2xd4 Le7-c5
24. Ta1-d1 e6-e5
25. Sd4-c2 Td8xd3
26. De2xd3 Sc8-e7
27. b3-b4 Lc5xe3+
28. Dd3xe3 Tf8-d8
29. Td1xd8+ Db6xd8
30. Lg2-f1 b7-b6
31. De3-c3 f7-f6
32. Lf1-c4+ Lg6-f7
33. Sc2-e3 Dd8-d4
34. Lc4xf7+ Kg8xf7
35. Dc3-b3+ Kf7-f8
36. Kg1-g2 Dd4-d2+
37. Kg2-h3 Dd2-e2
38. Se3-g2 h7-h5
Droht g7-g5-g4.
39. Db3-e3 De2-c4
40. De3-d2 Dc4-e6+
41. g3-g4 h5xg4+
42. f3xg4 De6-c4
43. Dd2-e1 Dc4-b3+
44. Sg2-e3 Db3-d3
Schwarz entschließt sich, statt des
Bauern a4 den Bauer e4 zu verspeisen.
45. Kh3-g3 Dd3xe4
46. De1-d2 De4-f4+
47. Kg3-g2 Df4-d4
48. Dd2xd4
(48.De1 a5 ba 50.h4 Dxa4)
48... e5xd4
49. Se3-c4 Se7-c6
50. b4-b5 Sc6-e5
51. Sc4-d6 d4-d3
52. Kg2-f2 Se5xg4+
53. Kf2-e1 Sg4xh2
54. Ke1-d2 Sh2-f3+
55. Kd2xd3 Kf8-e7
56. Sd6-f5+ Ke7-f7
57. Kd3-e4 Sf3-d2+
58. Ke4-d5 g7-g5
59. Sf5-d6+ Kf7-g6
60. Kd5-d4 Sd2-b3+
Kasparov gab auf.

(S - Knight,
L - Bishop,
T - Rook,
D - Queen )

Jun-20-09  WhiteRook48: does "gab auf" mean "resign?"
Premium Chessgames Member
  Tomlinsky: <Cyrus
Lang's first chess program, Cyrus, was written in Z80 Assembly. It had an astonishing debut at the 2nd European Microcomputer Chess Championship at the PCW Show in September 1981 in London, winning all five games and the tournament. Lang immediately was offered two contracts by David Levy and Kevin O’Connell, one for Cyrus, and one to work as programmer for Intelligent Software. Lang accepted, and turned his hobby into a job. Cyrus for Sinclair was his first commercial entry, followed by programs for various dedicated chess computers merchandised by Intelligent Software, as well a further improved version of Cyrus.

In about 1983 Richard Lang started to write his new program Psion for 68000 based processors. He was about to abandon the work for Intelligent Software, who continued their own work by owning the Cyrus brand by primary programmer Mark Taylor, yielding in Cyrus 68K. Psion Chess was marketed first by Sinclair Research for Sinclair QL computers and later under Psion's own label for Apple Macintosh, Atari ST and in late 1983 for the IBM PC with 8086/88 processors.

Mephisto and Genius
In 1985 Lang started to collaborate with Hegener & Glaser and Ossi Weiner, porting Psion to their dedicated Mephisto chess computers. Psion evolved to Chess Genius, also ported to PC's for the MS-DOS operating system, and later to Windows. Lang's Mephisto programs dominated the microcomputer chess scene from the mid 80s until the beginning of the 90s. He was multiple World Microcomputer Chess Champion, last title with Genius (shared with MChess) at the WMCCC 1995. In 1994 during the Intel Grand Prix Cycle in London, Genius won a speed chess game (25-minutes per side) against Garry Kasparov.>


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