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Rybka (Computer) vs Shredder (Computer)
IPCCC (2005), Uni-Paderborn, rd 3, Dec-28
Sicilian Defense: Scheveningen Variation. Delayed Keres Attack (B90)  ·  1/2-1/2
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Jan-25-06  RandomVisitor: Shredder sacs a piece, then Rybka sacs the Queeen... Shredder has a -2.09 eval at one point, then makes 2 mistakes, forcing perpetual check. Very entertaining.

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 h6 8. Qf3 Nc6 9. h3 Bd7 10. O-O-O b5 last book move 11. a3 0.11/18 Qb8 0.22/18 (Qc7 also is good 0.11/18)

12. Qe2 0.17/18 Be7 0.17/18
13. f4 0.17/18 b4 0.27/18
14. axb4 0.27/18 Qxb4 0.35/18
15. Bg2 0.35/18 Rb8 0.38/18
16. Nb3 0.34/18 Na5 0.11/18
17. e5 0.19/18 Nxb3+ 0.25/18
18. cxb3 0.11/18 dxe5 0.19/18
19. fxe5 0.02/18 Qxb3 0.02/18
20. Ba7 $11 -0.18/18
(Rybka 1.01 Beta 12: 20. Rd3 Nh7 21. Qc2 Qxc2+ 22. Kxc2 Rc8 $11 0.02/18) 20... Rc8 -0.18/18

21. exf6 -0.31/18 Bxf6 -0.24/18
22. Qc2 -0.38/18 Qb4 -0.42/18
23. Rd3 -0.37/18 Rc7 -0.50/18
24. Bf2 -0.62/18 (24. Be3 O-O 25. Rf1 Be5 26. Bd2 Ba4 27.Qb1 -0.50/18 avoids the Queen sac) Ba4 -0.80/18

25. Qd2 -0.74/18 O-O -0.82/18
26. Bg3 -0.90/18 Bg5 -1.01/18
27. Bxc7 -1.01/18 Bxd2+ -1.01/18
28. Rxd2 -0.89/18 Rc8 -1.15/18
29. Rd8+ -0.91/18 Rxd8 -1.18/18
30. Bxd8 -1.10/18 Qf4+ 0.21/2
31. Kb1 -1.10/18 Bc2+ -1.10/18
32. Kxc2 -1.10/18 Qf2+ -1.10/18
33. Kb3 -1.18/18 Qxg2 -1.18/18
34. Rd1 -1.52/18 Qxh3 -1.58/18
35. Rd4 -1.99/18 f5 -1.99/18
36. gxf5 -2.02/18 exf5 -2.01/18
37. Bc7 -2.03/18 g5 -2.02/18
38. Rd8+ -2.06/18 Kf7 -1.96/18
39. Be5 -2.09/18 h5 -1.75/18
40. Rd6 -1.73/18 h4 -1.42/18
41. Rf6+ -1.42/18 Ke8 -1.42/18
42. Re6+ -1.42/18 Kf8 -1.42/18
43. Rf6+ -1.42/18 Ke7 -1.33/18
44. Kc4 -1.44/18 Qf1+ -1.44/18
45. Kd4 -1.40/18 Qg1+ $17 -0.91/18
(Rybka 1.01 Beta 12: 45... Qf2+ 46. Kc4 Qc2 47. Rxa6 h3 48. Rh6 g4 49. b4 Qc1 50. Rd6 Qf1+ 51. Kc5 Qf2+ $17 -1.40/18) 46. Kc4 -0.87/18 Qc1 -0.91/18

47. Kd3 -0.89/18 h3 $11 0.00/18
(Rybka 1.01 Beta 12: 47... Qh1 48. Kd4 h3 49. Nd5+ Ke8 50. Re6+ Kf7 51. Rf6+ Kg7 52. Rxf5+ Kg6 53. Ne3 Qc6 54.Rf1 $17 -0.89/18)

48. Nd5+ 0.00/18 Kd7 0.00/18
49. Rd6+ 0.00/18 Ke8 0.00/18
50. Re6+ 0.00/18 Kf7 0.00/18
51. Rf6+ 0.00/18 Ke8 0.00/18
52. Re6+ 0.00/18 Kf7 0.00/18
53. Rf6+ 0.00/18 Kg8 0.00/18
54. Ne7+ 0.00/18 Kh7 0.00/18
55. Nxf5 0.00/18 Qd1+ 0.00/18
56. Kc3 0.00/18 Qe1+ 0.00/18
57. Kd4 0.00/18 Qd2+ 0.00/18 1/2-1/2

Apr-10-06
Premium Chessgames Member
  Marmot PFL: In several games Rybka seems to play a rather loose opening and recover with middlegame counterattacks. But Shredder overestimated its position - once black has only a queen white's king was quite safe.
Aug-13-06  spirit: thanks for all these analysis randomvisitor...you'll never know how far they go...thank you,thank you,thank you...
Aug-13-06  ichessu: On a different topic, Is it worthwile to personify programs by using terms like "Overestimate" and phrases like "recover with middlegame". Something to Ponder over :)
Aug-13-06
Premium Chessgames Member
  ganstaman: My ponderings... or me avoiding real work....

I don't see how 'overestimate' or 'recover with middlegame counterattacks' are personificiations. It's not like either of them require any real thought. These terms apply very easily and well to non-human computers.

In any case, I think it's more work to make sure our posts are as de-personified as possible. It's easier to write what's natural, which will often personify the computers, even though we know they are computers. Is it worthwhile to eliminate personifications?

Aug-13-06  Aspirador: I think that we have to continue our efforts to de-personify. Clearly, our society must be de-personified up to the limit. Only then we can start to re-personify. It's a natural process.
Aug-13-06  Aspirador: Maybe I should add that my last comment was of a very personal nature.
Aug-14-06
Premium Chessgames Member
  WannaBe: <ganstaman> Are you pondering what I'm pondering? =)
Aug-14-06  hitman84: Computers dont ponder they plunder,
humans blunder.
Aug-14-06  spirit: personifications come easily especially when it has to do with computers. in programming we say "compilers COMPLAIN when your syntax is malformed" in chess me've heard that "deep blue's prototype had a serious bug that made it SEE two enemy queens on board in certain positions that couldn't easily be reproduced" <ichessu> and <aspirator> me dont see any other way of saying this...the difference between humans and machines looks to me like the difference between humans and the pigs in the book "animal farm"...one day(gramatically speaking) we'll look from from one face to the other and there wont be any difference!
Aug-14-06  Aspirador: Maybe you should read animal farm all the way to the very end...
Aug-14-06  spirit: no, me wont!
Aug-30-06  Rocafella: Does anyone have an online translator or a link to one? Thanks.
Aug-30-06
Premium Chessgames Member
  NakoSonorense: www.freetranslation.com
Aug-30-06
Premium Chessgames Member
  NakoSonorense: Is Animal Farm any good? I read 1984, but I found it a little dumb.
Aug-30-06
Premium Chessgames Member
  WannaBe: <NakoSonorense> Animal Farm is VERY GOOD. A definite must read in my opinion.
Aug-30-06
Premium Chessgames Member
  NakoSonorense: Thanks, wannabe. I'll go check it out at my local library tomorrow. Since I haven't read that much, I'm trying to catch up a little by reading all thoese classics and stuff. Right now I'm the middle of Crime & Punishment and it's kinda creepy, but i have to finish it...
Aug-31-06  Rocafella: <NakoSonorense> It was a joke but thanks anyway
Aug-31-06
Premium Chessgames Member
  NakoSonorense: Oh, good one, then. =S =)
Aug-31-06  Rocafella: :=)lol
Aug-02-09  kingsindian2006: what a great and interesting fight this was
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