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Bent Larsen vs Deep Thought (Computer)
Long Beach (1988), Long Beach, CA USA, rd 3
English Opening: King's English Variation. General (A20)  ·  0-1


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Kibitzer's Corner
Nov-01-04  rayzor: If I am not mistaken, this is an important game in history: the first time that a computer program defeated a human grandmaster under normal tournament conditions.

- rayzor

Nov-01-04  Knezh: Inastead of g4? 27. Rdg1+ has been suggested by the commentators.
Premium Chessgames Member
  ConLaMismaMano: This is the game i was talking about here: Bent Larsen
Nov-01-04  Spassky69: This game is a joke. Larsen played like a 2000 patzer.
Nov-02-04  Larsenb3: <Spassky69>not exactly a patzer but not his usual genius.
Premium Chessgames Member
  who: Why was the Bishop on g7 not taken for so long?
Nov-02-04  Larsenb3: More important matters where going on and he wanted to attack the d rook.
Nov-02-04  Spassky69: <Larsenb3> Larsen played a horrible opening. 1. c4. You do not know how much I hate the English!! If someone plays it I want to take the chess set throw it out the window and start over again by buying them a book on e4 openings.

PS d4 players I used to hate before I discovered the Budapest!! 1. d4 Nf6 2. Nf3 players I still hate.

Nov-02-04  Larsenb3: tsk tsk so hateful of such good players.
Nov-02-04  PinkPanther: You hate d4 players? Do you hate people who wear glasses too? Or do you hate all people who live in the Eastern Hemisphere? That's kind of a large group of people to hate.
Premium Chessgames Member
  Granite: Personally I love the English, it's great for pissing off 1.e4 players and irritating your opponents is an advantage to be sure. Mind you, I doubt it has the same effect on computer opponents.
Nov-02-04  Spassky69: <d4 players I used to hate before I discovered the Budapest!!> I actually hate people who don't read my posts correctly.

Plus the best answer to c4 I think is c6 followed by d5.

Sep-27-07  Tal rules: King's Indian all the way! 1. d4 Nf6! 2. c4 g6! 3. Nc3 Bg7!!
Premium Chessgames Member
  alexmagnus: This game was played in 1988. So the correct one is this duplicate:Larsen vs Deep Thought, 1988
Jan-24-09  rwbean: "Recent analysis, with a more powerful chess computer (Deep Blue Jr), showed that Deep Thought could have played a combination and possibly won the game outright on move seventeen. (Ne5 with the idea of Nf3 giving up the c pawn for a strong attack, possibly with Bd3 later." -- "Behind Deep Blue", p84

Ne5 is the first and only move that Rybka 3 considers (17 ply, eval +1.20, pv 17... Ne5 18. b3 Nf3+ 19. Bxf3)

"On move twenty-six, Bent made a slight error ... In reality, the bad move was the next one [move 27]". -- p85

Rybka prefers 26... Nc3 (15 ply, eval +0.37)

Premium Chessgames Member
  perfidious: A few months before this game, I had the dubious pleasure of facing the monster at the US Open; it was the latter of the two times I've opened 1.g3 in my life. After losing, I was a little put out, as I felt I could have played better-then the wretch destroyed Igor Ivanov in twenty-odd moves in the next round !!

Premium Chessgames Member
  Landman: As I recall, this was the first time a GM lost to a computer under tournament conditions.
Oct-16-10  ttr2121: You are correct, Landman. It was at a Swiss in Santa Monica, Thanksgiving weekend 88. Tal was also a guest of the tournament. I was there and remember well the buzz that went up when Larsen got smoked.
Feb-05-15  TheBish: <ttr2121> It was not in Santa Monica, it was Long Beach! (It is spelled out five times on this page, if you look!)

I was at that tournament, and actually had breakfast at the hotel restaurant just a table away from the Great Dane himself! Maybe right before he lost this game, I don't remember for sure which day that was but I think it was early on. I also had the great pleasure of watching Tal play in the blitz tournament. That was a treat! His games were amazing, sacrifices left and right for the attack, and pretty much making his pieces dance!

Jan-11-17  smcracraft: Hi -- I was the operator of Deep Thought II at Long Beach (it was physically at CMU outside of Pittsburgh) via a phone link arranged by the sponsor Les Crane of Software Toolworks. It would have been great to see Tal demolish DT with his pure-art sacs but that was not to be. Tal did come over and check it out journalistically. Quite a raven-eyed one. Tal was, by far, my favorite player. Larsen and the other GM's, IM's and FM's were all very gracious in their games with DT. Fun event! Browne is to be congratulated for his win and McCambridge for his draw. --Stuart
Premium Chessgames Member
  OhioChessFan: Don't be a stranger, <smc> I am sure a lot of people will want to hear some of your memories.
Premium Chessgames Member
  morfishine: Grand Larceny!
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