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Hydra (Computer) vs Michael Adams
Adams - Hydra Match (2005), London ENG, rd 1, Jun-20
Russian Game: Classical Attack. Chigorin Variation (C42)  ·  1-0
ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 27 OF 27 ·  Later Kibitzing>
Jul-10-05  aw1988: I thought Kasparov was the 1000 eyed monster who sees everything.
Jul-10-05  fgh: <SnoopDogg>: Actually, it was like this: "I though I was playing the world champion, not some monster with 20 000 eyes that sees everything!" - Anthony Miles, after losing to Kasparov 0.5 - 5.5.

And also this one: "It's a monter's with a thousand of eyes that sees everything! For me it's impossible to defeat him!" - Anthony Miles

Jul-13-05
Premium Chessgames Member
  patzer2: Wow! What a super result by the Hydra team in securing this first of five out of six victories in the Adams match. In this game, the computer was programmed to play a sharp opening line and sprang a novelty with 14. Rb1! with some extremely difficult lines for Black to have to figure out over the board. Of course the computer had time in advance to to analyze the possibilities and find lines likely to confuse Adams in the complications over the board.

This game was certainly not a fair contest for Adams, but it was a decisive victory to put the Chess World on notice that all of the best super GMs may soon join the ranks of all other Chess players who can't hold their own against these silicon monsters.

Finding improvements for Adams in this game is a difficult process, even with the help of fellow kibitzers, opening research, game databases and computers.

Perhaps Bologan's idea of 12...c5!? can revive this opening. However, his near loss when Anand missed a win on his 18th move in Anand vs Bologan, 2004 may have discouraged other super GMs from reviving this idea.

Another alternative worth considering is 16... axb5!? 17. Rxb5 Na5 18. Nxe4 fxe4 19. Bxe4 dxe4 20. Rxh5 g6 21. Rxa5 Rxa5 22. Qxe4 Qd7 23. Qxb7 Rxa2 24. Qb3+ Qf7 25. c4 , when White's two pawns for the exchange and safer King position seem to give White only a small advantage. Of course hydra seems to thrive on increasing such small advantages, and Adams didn't relish the idea of defending such a position I'm sure.

Perhaps 24... Nf6!? 25. Bg5 cxd4 26. Qd3 Rc5 27. Qxd4 Qc7 28. f4 Rd5 29. Qb2 would have given Black enough of a defensible position against Hydra to survive with a draw. Of course Hydra can probably improve on this analysis also.

After this game, one thing for sure is that computer games will have to be taken more seriously as a source for researching and anlyzing openings. Certainly, Hydra's novelty 14. Rb1! made a major statement that the Petroff may not be so safe as a drawing weapon in future GM contests.

Jul-13-05
Premium Chessgames Member
  patzer2: Just found the possibility 23... cxd4! 24. Qxc8 Qxc8 25. Bxc8 Rxc8 26. Bf4 g5 27. Bh2 Rc2 , with Fritz 8 @ 14 depth, which looks sufficient to give Black good chances to hold the draw.
Jul-13-05
Premium Chessgames Member
  patzer2: Hydra's technique in securing a passed pawn with 27. Rb6! and subsequent play is instructive. Here's a little analysis of 27. Rb6! using Fritz 8:

<27. Rb6! Rf8 28. Qe3 Rcf7> Not much help is 28... Qc8 29. Ba3 Re8 30. e6 c4 31. Qf3 Rf7 32. Qc3 Rf6 33. Bb2 Bf5 34. e7 Rf7 35. Qa5 Bd7 36. Rxa6 , when Black still has a lost position. <29. Rd6! Qa5 30. e6 Re7 31. Ba3 Rfe8 32. Bxc5 Qxa2> While this makes it easy for Hydra, with a winning discovered attack to follow, also losing decisively is 32... Bf5 33. Rxa6 Qxa6 34. Bxe7 Qc8 (34... Rxe7 35. Qc5 ) 35. Qe5 Bxh3 36. Qd6 Bf5 37. Re3 Kg8 38. a4 Qb7 39. Bh4 Qc8 40. e7 Qc1+ 41. Kh2 Qc4 42. Bg5 Qf7 43. a5 Bg4 44. Qd8 Qh5+ 45. Kg1 Qg6 46. a6 Qc6 47. Rc3 Qa4 48. Ra3 <33. Rd2 1-0> Adams surely sees it is hopeless after 33...Qa5 34. Bxe7 Rxe7 35. Rd7 .

Aug-15-05  Clutch: The Petroff? Obviously a glitch in the human.
Oct-14-05
Premium Chessgames Member
  OhioChessFan: <Wow! What a super result by the Hydra team in securing this first of five out of six victories in the Adams match. In this game, the computer was programmed to play a sharp opening line and sprang a novelty with 14. Rb1! with some extremely difficult lines for Black to have to figure out over the board. >

<patzer2>, I was bothered by that move during the match, and coming back to this page reminded me of it. The Hydra team had rather publically stated they had a 10 move opening book. Then they introduce an opening novelty at move 14?! I guess all's fair in love and war, but I still think that was very poor sportsmanship. I haven't heard a single comment on the matter, but it troubles me.

Oct-14-05
Premium Chessgames Member
  OhioChessFan: <Just found the possibility 23... cxd4! 24. Qxc8 Qxc8 25. Bxc8 Rxc8 26. Bf4 g5 27. Bh2 Rc2 , with Fritz 8 @ 14 depth, which looks sufficient to give Black good chances to hold the draw.>

<Patzer2>, after playing it over, 26 f4 Rc2 27 Bb2 suggests itself, a slight improvement for white I think. I am working on 27.....Bb4 I don't know if a computer would liquidate with Rc1, but Black's bishops and the d pawn seem to offer some practical chances.

In any case, the nice bishops and the pawn seem reasonable compensation for the exchange in this variation, and definitely an improvement upon the game continuation.

Oct-27-05
Premium Chessgames Member
  OhioChessFan: <Wow! What a super result by the Hydra team in securing this first of five out of six victories in the Adams match. In this game, the computer was programmed to play a sharp opening line and sprang a novelty with 14. Rb1! with some extremely difficult lines for Black to have to figure out over the board. Of course the computer had time in advance to to analyze the possibilities and find lines likely to confuse Adams in the complications over the board........After this game, one thing for sure is that computer games will have to be taken more seriously as a source for researching and anlyzing openings. Certainly, Hydra's novelty 14. Rb1! made a major statement that the Petroff may not be so safe as a drawing weapon in future GM contests.>

<Patzer2>, make up your mind already. You correctly attribute the novelty to the Hydra team, the human component, then give the glory to the computer.

Oct-27-05
Premium Chessgames Member
  OhioChessFan: Am I missing something here? Several quotes from this site before the Adams match:

Chrilly, on May 30, 2005 on the Hydra page: <Opening preperation is certainly a critical point. We use a very short opening book. Maximum 10 moves, sound main variations.>

Chrilly on June 1, 2005 on the Hydra page: <Afterwards GM Lutz made a very small book with a maximum of 10 moves in a variation. This works much better. There is too much garbage in big books and even if the position is ok, the programm starts often to shuffle pieces according its own whims. With the short book, the programm can play more according its own style.>

And then they spring an opening novelty on Adams on the 14th move?! Can you imagine the uproar Kaspy would have caused if that had happened to him?

Oct-27-05  Dionyseus: <OhioChessFan> <I was bothered by that move during the match, and coming back to this page reminded me of it. The Hydra team had rather publically stated they had a 10 move opening book. Then they introduce an opening novelty at move 14?! I guess all's fair in love and war, but I still think that was very poor sportsmanship. I haven't heard a single comment on the matter, but it troubles me.>

What is it that you don't understand? Are you saying it is completely impossible for a computer to play three correct moves when it's out of opening book and then find a novelty on move 14? I don't see what's impossible about it.

Oct-27-05  acirce: Well, first, he also said that it was not always exactly 10 moves. <The Hydra chess expert GM Lutz enters every move by hand. And at move 10 he simply stops (well sometimes he adds an 11th, sometimes he stops at the 8th)> -- Chrilly, June 4

Also, you can of course play book moves without knowing that it is book. Hydra is probably often able to do exactly that.

Oct-27-05
Premium Chessgames Member
  OhioChessFan: <What is it that you don't understand? Are you saying it is completely impossible for a computer to play three correct moves when it's out of opening book and then find a novelty on move 14? I don't see what's impossible about it.>

<Dionyseus>, are you saying you think Hydra found that move?

Oct-27-05  Brown: <are you saying Hydra found that move?>

Why not? Haven't humans, even GM's (Shirov I know is one, Korchnoi another), been going to computers to find novelties for some years now?

Oct-27-05  KingG: One of the most famous examples of computers finding novelties is Junior finding the exchange sacrifice for Black in a line of the Semi-Slav played in the following game Kasimdzhanov vs Kasparov, 2005. This link gives some details http://www.chesscafe.com/text/mig23....
Aug-05-06  Rocafella: Adam didn't play well to be fair, it wasn't a case of Hydra's Immortal.
Jul-08-07  sneaky pete: Donninger in Kaissiber # 25 (4th quarter 2006): Hydra played some training games in early June against Christopher "Mickey" Lutz (consulting with Shredder and Fritz). One of these games was a Petrov with the same 10 first moves (Hydra's book). Out of (Hydra's) book the game continued 11.Nbd2 Na5 12.Qc2 Nc6 13.b4 a6 14.Rb1 Bd6 15.h3 Bh5 16.b5 axb5 17.Rxb5 Na5 18.Rxd5 Bxf3 19.Nxf3 Bh2+ 20.Kh2 Qxd5 (black lost, rest of the game is not given). Because the team wasn't sure Hydra would play the same moves again in a different location, it was decided to incorporate the moves up to and including the novelty 14.Rb1 .. in Hydra's opening book for the Adams match.
Jul-28-07  spirit: what happens after 33...Rxe6?
Jul-28-07
Premium Chessgames Member
  SwitchingQuylthulg: <spirit> 33...Rxe6 34.Rxa2 Rxe3 35.Rxe3 and White's up a rook.
Mar-22-08  sheaf: after blacks perfectly natural looking 21..c5, hydra's techinique had a touch of leko in it.. wonderful manoeuvres Bd5-d6-Bxf5 was smart and then Rb6 was incredible idea to get a a lethal passed d pawn.. A very precise 'human' game from hydra.
Jan-04-09  WhiteRook48: wow... either you lose your Q or you lose your rook to a bishop
Mar-02-09  WhiteRook48: 33 Rd2! is a great example of the <DISCOVERED ATTACK.>
Jun-07-09  Dionyseus: Rybka 3 on the 14th move:

Analysis by Rybka 3 x64 4CPU:

14.a4 Bh5 15.Ba3 Re8 16.Nf1 Bxf3 17.gxf3 Ng5 18.Kg2 Bd6 19.Bxf5 Qf6 20.Bg4 Rxe1 21.Rxe1 Rf8 22.Re3 Nd8 23.Qb3 c6 24.Ng3 Nde6 25.Kh1 = (0.02) Depth: 20 00:25:26 355mN

Jun-07-09  Dionyseus: Next Best:
14.Rb1 Bf6
= (0.00) Depth: 20 00:44:39 658mN

14.Rb1 Bf6 15.b5 axb5 16.Rxb5 Na5 17.Ne5 c6 18.Rb1 Bxe5 19.dxe5 Qe7 20.Nf1 Qxe5 21.f3 Qxc3 22.Bxe4 Qxe1 23.Bg5 Qxb1 24.Bxd5+ cxd5 25.Qxb1 Bh5 26.Ne3 Rf7 = (0.09) Depth: 21 02:29:22 2190mN

So at depth 20 Rybka 3 thinks Rb1 is even but at depth 21 the eval goes up to 0.09 and becomes Rybka's 3 top choice, at least for Next Best, would have to do a clean run to see if it actually replaces a4 with Rb1 by itself.

Oct-22-17  SChesshevsky: Interesting that Hydra accomplishes a lot without doubling rooks or even getting his Queen's Bishop off the back rank until two moves before the end of the game. Apparently very efficient chess.
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