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Deep Blue (Computer) vs Garry Kasparov
"Sacre Blue!" (game of the day Jun-05-08)
Match 1996  ·  Sicilian Defense: Alapin Variation. Barmen Defense Modern Line (B22)  ·  1-0
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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Jun-05-08
Premium Chessgames Member
  Eyal: From the transcript of the live commentary to game 1 of the 1997 re-match:

<MIKE VALVO: In open positions they have a thing called move extensions. Which means, if I capture something, I'm not going to stop analyzing there. I'm going to see what happens. If he can recapture, then I will exhaust all capture situations down to their end, which is something I'm not going to bother doing in some blocked positions, not even have the opportunity of doing. In tactical situations that could be a big edge to the computer. Tactical situations in fact are to a computer's advantage.

MAURICE ASHLEY: Right, we saw that in game one last year where Kasparov --

MR. SEIRAWAN: Got massacred.

MAURICE ASHLEY: Got crushed. He sacrificed a pawn thinking that he had a great king-side attack, but the computer had calculated it to the finish, and admittedly humans would not have taken that pawn, unless you were drunk or something, but in that situation the computer had worked everything out to Kasparov's being crushed, instead of itself being mated. And so Garry ended up losing that game, and he learned his lesson well and avoided sharp, open, tactical positions from that moment on.

MIKE VALVO: Can I tell you something from last year's game that wasn't well known?

MAURICE ASHLEY: Please.

MIKE VALVO: Garry left his score sheet behind. That's the only game he forgot his score sheet. He was pretty upset.

MR. SEIRAWAN: You're talking about the game he lost in game one?

MIKE VALVO: The game he lost, yeah.

MR. SEIRAWAN: Probably didn't want to keep it.> (http://www.research.ibm.com/deepblu...)

I also remember reading an interview with someone from Kasparov's team, who said that they were quite nervous before this game, because they really didn't know how strong Deep Blue is going to be. But after the game was over and analyzed, they actually became optimistic about Garry's chances despite the loss, because they've noticed several inaccuracies committed by the computer and came to the conclusion that it can be handled with the right strategy (indeed, DB scored only 1 point in the next 5 games of this match).

Jun-05-08  drpoundsign: who says computers can't sac?? Gary needed to remember king safety. The machine did not even need an endgame to win.
Jun-05-08
Premium Chessgames Member
  Jim Bartle: "The machine did not even need an endgame to win."

But it had to calculate to mate, with check every move, as black was threatening mate in one starting on move 34.

Jun-05-08  lau7aro: Would somebody be kind and explain me why Deep Blue avoided 18. Ng4? It seemed a good post and reinforced attack over Knight f6.
Jun-05-08
Premium Chessgames Member
  Shams: <lau7aro>
because of 18...Nxd4
Jun-05-08  jdc2: So Marmot: How would GM's play against
Deep Blue today?
Jun-06-08  RandomVisitor: After 17.Bg5:


click for larger view

Rybka2.3.2a.mp.x64: <25-ply>

1. (0.18): 17...a6 18.Bxf6 gxf6 19.Nxc6 Rxc6 20.Rxc6 bxc6 21.Nc3 Bxc3 22.bxc3 Qxa3 23.Qg4+ Kh8 24.Qf3

Jun-06-08
Premium Chessgames Member
  Marmot PFL: jdc2> After this game Kasparov played more conservatively with black ex. Deep Blue vs Kasparov, 1996 White white he cut back on his natural inclination for short term dynamics in favor of long term strategic advantages. This worked well in the first match.

By the second match the computer was over twice as fast but Kasparov thought something else was at work too. He says Deep is not as strong as today's PC programs, yet at some key moments was somehow able to find very subtle, prophylactic moves that even today computers would not be able to find.

Feb-25-09  WhiteRook48: or, tangled up in blue
Mar-06-09  dwavechess: 27/37 concur with Rybka 3 w32 quad at 3 min. per move for Deep Blue
Jan-15-10  blazerdoodle: Ahhh, but could Deep Blue play a 40 game simul? I mean, put the compouter on a little laptop stand and go around pushed by lab boy in a white coat, making every move for him.
Feb-10-10  M.D. Wilson: What I find most suspicious is Deep Blue's refusal to submit a urine sample. What was he trying to hide?
Jul-31-10
Premium Chessgames Member
  notyetagm: Game Collection: I make your pawns look like your grandma's teeth

24 ... e6xd5


click for larger view

Jan-02-11  kevins55555: In http://www.chess.com, in a Basic member ( signed in but no premium) you will see this game.
Feb-14-11  Johnny O: Kasparov should have played 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 c4 7. Bc2 Qc7 8. Qe2 g5 9. e6 dxe6 10. Nxg5 Qe5 11. d4 Qxe2+ 12. Kxe2 e5 13. dxe5 Nxe5 14. Nxh7 Bg7 15. Ng5 Bd7 16. Na3 Nd3 17. Bxd3 cxd3+ 18. Kxd3 Na4 19. f3 a5 20. Ne4 f5 21. Nf2 b5 22. Nc2 b4 23. cxb4 Kf7 24. bxa5 Rxa5 25. Kd2 Rd8 26. Nb4 Re5 27. Nfd3 Bb5 28. Re1 Nc5 29. Rxe5 Bxe5 30. f4 Bf6 31. Ke1 Nxd3+ 32. Nxd3 Bxd3 33. a4 Rc8 34. a5 Rc2 35. Bd2 Rxb2 36. a6 Be4 37. Ra3 Bxg2 38. a7 Rb1+ 39. Ke2 Ba8 40. Be1 Bd4 41. Ra2 Rb3 42. Bg3 Ke6 43. Kf1 Bc5 44. Ke2 Kd7 45. Kf1 Rb4 46. Ke1 Bd6 47. Kf2 Bxf4 48. h4 Bh6 49. Kf1 Rb1+ 50. Be1 e5 51. h5 f4 52. Rd2+ Kc7 53. Rc2+ Kb6 0-1
Feb-05-12
Premium Chessgames Member
  notyetagm: Game Collection: I MAKE YOUR PAWNS LOOK LIKE YOUR GRANDMA'S TEETH

Deep Blue vs Kasparov, 1996


click for larger view

Feb-05-12
Premium Chessgames Member
  notyetagm: Game Collection: WEAK, WEAK PAWNS
Feb-12-12  cyrusmari: 25...Rd8! 26.Qxb6 Rd7 was Black's best try, stengthening his passed d-pawn and queenside.
Feb-12-12  cyrusmari: It seems as though Black could annihilate White with 31...Qf4, threatening both ...Qxc1+ and 32.Kh2 Rxg3!! winning. But instead White could play 32.Rc8!! and turn the tables on Black. Kasparov may have seen this and planned 32...Qg5 33.h4 Rxc8!! 34.hxg5 Rc1+ 35.Kh2 Ng4+ 36.Kh3 Nxf2+ and mate next move, however Deep Blue could then spoil everything with 33.Rc5.
Feb-12-12  cyrusmari: After 37...Kg6 38.Qg8+ Kf5 39.Nxf3, Black cannot meet the simultaneous threats of 40.Nxe1, 40.Rf7 and 40.Qd5+. Kasparov resigned.
Feb-12-12  cyrusmari: 30.Qxd4?? would lose to 30...Nf3+. If White tries 30.Nd6 with the idea of 31.Qxe5 winning the knight, Black gets decisive pressure on the g-file after 30...Nf3+ 31.Kh1 Qg6. Kasparov later commented on his opponent: "My late game attack would intimidate many players into making a mistake or two, but not this one."
Feb-23-12  Wilhelm: Grandma's teeth?? weak pawns?? time to take this game out from those lists: here these teeth are the smile of death, Black has a lot of compensation for the scattered pawns. First, as pointed previously 27...d4? is a serious mistake 27...f4! instead and White is under attack, which means 27. Qc5 was weak, no engine would play it today, 27 Qe3 is preferred but then 27...d4! follows and again White must be worried both about the passed d-pawn and his King position.
Feb-23-12  Everett: <eyal...remember reading an interview with someone from Kasparov's team, who said that they were quite nervous before this game, because they really didn't know how strong Deep Blue is going to be.>

Kasparov would even research his simul opponents meticulously. His demand for material on his computer opponents speaks to what he valued, and to what use he put it. Kasparov put great stock in to getting to know his opponent as well as he could.

As an extension, he would sometimes lose to up and comers like Lautier, Radjabov, and Anand before he got a measure of their style. Soon after, however, he would adapt enough to crush nearly everyone...

Feb-23-12
Premium Chessgames Member
  AylerKupp: Kind of like the Borg in Star Trek, Next Generation. Resistance is futile!
Jul-13-12  nitsud33: i think Kasparov could have eeked out a draw with
35...Qf7, no reason not to take the knight as white needs to keep black in check to survive. i think it would have been followed by 36. Qd4+, Kg8
37. Rc8+, Re8
38. Rxe8+, Qxe8
39. Qxf2, Qe2
40. Kg1, Qd1+
41. Qf1, Qxb3 and draw? anyone see a problem with this idea?
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Kasparov on Kasparov: Part I
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