Author: m.d.hurd
Date: 02:27:07 02/08/04
Go up one level in this thread
On February 07, 2004 at 14:28:36, Mike Byrne wrote:
>The odd characters are NAGS that convert to CI type symbols in the software that
>handles the NAGS correctly.
>
>[Event "New York/Lyon ( 50/392"]
>[White "Kasparov,G"]
>[Black "Karpov,An"]
>[Date "1990"]
>[Annotator "Kasparov,G"]
>[WhiteElo "2800"]
>[BlackElo "2730"]
>[ECO "C 92"]
>[Result "1-0"]
>[Source: Chess Informant]
>
>
>1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8.
>c3 O-O 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. a4 h6 13. Bc2 ed4 14. cd4 Nb4
>15. Bb1 c5 16. d5 Nd7 17. Ra3 f5 18. Rae3 Nf6 ( 18... f4 {Ue 49/420} ) 19.
>Nh2 $5 {N} 19... Kh8 ( 19... fe4 $6 20. Ne4 Nbd5 ( 20... Nfd5 21. Rg3 )
>( 20... Ne4 21. Re4 Re4 22. Be4 $16 ) 21. Nf6 Nf6 22. Re8 Ne8 23. Qd3 Nf6
>24. Ng4 $16 ) ( 19... Qd7 $5 ) ( 19... c4 $5 ) 20. b3 $1 20... ba4 (
>20... fe4 21. Ne4 Nfd5 $5 ( {a)} 21... Bd5 22. Nf6 Re3 23. Re3 Qf6 24. Bd2
>$16 {#EF} 24... Qd4 $140 25. Qc1 ) ( {b)} 21... Nbd5 $6 22. Nf6 Re3 (
>22... Ne3 $2 23. Qd3 $18 ) 23. Re3 $1 23... Nf6 ( 23... Qf6 24. Qc2 ) 24.
>Ng4 $16 ) 22. Rf3 $1 ( 22. Rg3 $2 22... Nf6 $17 ) 22... Nf6 23. Rf6 gf6
>24. Ng4 $44 {#EF} ) 21. ba4 c4 22. Bb2 fe4 ( 22... Rc8 $6 23. Qf3 $1
>23... Qd7 ( {a)} 23... fe4 24. Ne4 Nfd5 ( 24... Bd5 25. Nf6 Bf3 26. Re8
>Qc7 27. Rc8 Qc8 28. Re8 $18 ) 25. Nd6 $1 25... Ne3 26. Nf7 Kg8 27. Nh6 Kh8
>( 27... gh6 28. Bh7 $18 ) 28. Nf7 Kg8 29. Qh5 $18 ) 24. Bf6 gf6 25. Rc1
>$16 ) 23. Ne4 Nfd5 24. Rg3 $5 ( 24. Qh5 Re5 $5 ( {a)} 24... c3 25. Bc3 Nc3
>26. Nc3 Re3 27. Re3 Qg5 28. Qg5 hg5 29. Nf3 Bf3 ( 29... d5 $6 30. Ne2 $16
>) 30. Rf3 d5 31. Bg6 $14 ( 31. Nd5 Nd5 32. Be4 Bc5 $1 33. Bd5 Rf8 34. Bf7
>g6 $11 ) ) ( {b)} 24... Ne3 $2 25. Qh6 Kg8 26. Ng5 $1 $18 ) 25. Be5 de5
>$13 ) 24... Re6 25. Ng4 ( 25. Nf3 $5 25... Nf4 $1 ( 25... Qd7 $2 26.
>Nfg5 $1 26... hg5 27. Qh5 Kg8 28. Ng5 Re1 29. Kh2 $18 ) 26. Nd4 Re5 27.
>Qg4 Nbd3 28. Bd3 Nd3 29. Ne6 Qe7 30. Be5 de5 $13 ) 25... Qe8 $2 ( 25...
>Qh4 $2 26. Nc5 $1 26... Re1 27. Qe1 dc5 28. Ne5 Kg8 29. Ng6 {#C5
>#CAe6+#BB} ) ( 25... Nf4 $2 26. Nh6 $1 26... Rh6 27. Ng5 Qc7 ( 27... Qd7
>28. Qg4 $1 28... Qg4 29. Nf7 Kg8 30. Nh6 gh6 31. Rg4 $18 ) 28. Ne6 $1
>28... Ne6 29. Re6 Rh4 30. Rg4 Rg4 31. Qg4 Nd3 32. Rh6 Kg8 33. Qe6 Qf7 34.
>Rh8 $18 ) ( 25... Nd3 $1 26. Bd3 cd3 27. Rd3 Qa5 $13 ) {
>
>[d] r3qb1k/1b4p1/p2pr2p/3n4/Pnp1N1N1/6RP/1B3PP1/1B1QR1K1 w - -
>
>This is it - Nolot #1
>
>}
>26. Nh6 $1 26...
>c3 ( 26... Rh6 27. Nd6 Qe1 ( 27... Qd7 28. Qg4 $1 28... Qg4 29. Nf7 Kg8
>30. Nh6 gh6 31. Rg4 Kf7 32. Bg6 Kg8 33. Bf5 Kf7 34. Be6 $18 ) ( 27... Qh5
>28. Rg5 $1 28... Qd1 29. Nf7 Kg8 30. Nh6 Kh8 31. Rd1 c3 32. Nf7 Kg8 33.
>Bg6 $1 33... cb2 34. Rh5 $18 ) 28. Qe1 Rd6 29. Qe4 Nd3 30. Qh4 Kg8 31. Bg7
>$1 31... Bg7 32. Qg4 $18 ) 27. Nf5 cb2 28. Qg4 Bc8 ( 28... Nc3 29. Nf6 $1
> 29... Re1 30. Kh2 $18 ) ( 28... g6 29. Kh2 $1 {(#C5 #CAh4, #CDg5)} 29...
>Qd7 ( 29... Kg8 30. Ned6 $18 ) 30. Nh4 $1 30... Bc8 ( 30... Ne7 31. Ng5
>Re1 32. Qd7 Rb1 33. Ng6 $18 ) 31. Ng6 Rg6 32. Qg6 Qg7 33. Qh5 Qh7 34. Qh7
>Kh7 35. Nd6 $18 ) 29. Qh4 Rh6 ( 29... Kg8 30. Kh2 {#C5 #CDg5+#BB} ) 30.
>Nh6 gh6 31. Kh2 $18 31... Qe5 ( 31... Bg7 32. Nd6 Qe1 33. Qh6 $1 ) 32.
>Ng5 Qf6 33. Re8 {#5B#C5 #CAh6#5D} 33... Bf5 34. Qh6 ( 34. Nf7 Qf7 35. Qh6
>Bh7 36. Ra8 ) 34... Qh6 35. Nf7 Kh7 36. Bf5 Qg6 37. Bg6 ( 37. Rg6 $1 $142
>37... Ne7 38. Re7 ) 37... Kg7 38. Ra8 Be7 39. Rb8 a5 40. Be4 Kf7 41. Bd5
>1-0
>
>Comment by Pierre Nolot, published in the July 1974 issue
>of Gambisco
>
>========================================================================
>
>26.Nxh6!! c3 (26... Rxh6!? is not sufficient:
>p..pr..p 27.Nxd6 Qh5 (best) 28.Rg5! Qxd1 29.Nf7+ Kg8 30.Nxh6+ Kh8
>...n.... 31.Rxd1 c3 32.Nf7+ Kg8 33.Bg6! Nf4 34.Bxc3 Nxg6 35.Bxb4 Kxf7
>Pnp.N.N. 36.Rd7+ Kf6 37.Rxg6+ Kxg6 38.Rxb7 +-) 27.Nf5! cxb2
>......RP 28.Qg4 Bc8 (if 28... g6!? 29.Kh2! wins : 29...Qd7 30.Nh4 Bc6
>.B...PP. 31.Nc5! dxc 32.Rxe6 Nf6 33.Nxg6+ Kg7 34.Qg5 Nbd5 35.Ne5 Kh8
>.B.QR.K. 36.Nxd7 +-) 29.Qh4+ Rh6 30.Nxh6 gxh6 31.Kh2! Qe5 32.Ng5 Qf6
> 33.Re8 Bf5 34.Qxh6 (pretty, but there was a mate in 6 :
>34.Nf7+ Qxf7 35.Qxh6+ Bh7 36.Rxa8 Nf6 37.Rxf8 Qxf8 38.Qxf8+ Ng8
>39.Qg7#) 34...Qxh6 35.Nf7+ Kh7 36.Bxf5+ Qg6 37.Bxg6+ Kg7 38.Rxa8 Be7
>39.Rb8 a5 40.Be4+ Kxf7 41.Bxd5+ 1-0
>A very deep combimation, that Tasc R30 or Genius 2 running on a pentium would
>take between a few months and a few years to find.
>The best Novag computer, the Diablo 68000, finds 26.Nxh6 after 7 months
>and a half (Pierre Nolot has let it run on the position for 14 months and one
>day, until a power failure stopped an analysis of over 80 000 000 000 nodes!)
>but for wrong reasons : it evaluates white's position as inferior and
>thinks this move would enable it to draw.
>
>=========================================================================
>Comments by Feng-Hsiung Hsu (Deep Blue Inventor)
>
>Kasparov played Nh6 here. DT-2 agreed with Kasparov's analysis after
>going down the line given in Informant, but could not find the move
>on its own in one hour time. When letting it run overnight, it produced
>Nh6 after 8 hours (but would play it with a 6 hours/move time control; that
>is, it got first indication that the combination might work after about 6
>hours), with the variation 1. Nh6! c3 2. Nf5 cb2 3. Qg4 ... which wins for
>white.
>
>The first position, by the way, was from the Kasparov-Karpov match in New York.
>In fact, we were in the press room during the very game. None of the
>grandmasters on site got it during the game. Well, they saw the move, but did
>not think that it works.
>
>
>--------------------------------------------------------------------------------
>
>==========================================================================
>
>What does your computer say ?
New game
r3qb1k/1b4p1/p2pr2p/3n4/Pnp1N1N1/6RP/1B3PP1/1B1QR1K1 w - - 0 1
Analysis by Shredder 8 Gambit:
1.Nxh6 c3 2.Ba1 Rxh6 3.Nxd6 Qd7 4.Nf5 c2 5.Bxc2 Nxc2 6.Qxc2 Rh7 7.Rg4 Re8 8.Rxe8
Qxe8
³ (-0.27) Depth: 17/51 00:10:13 199725kN
(Hurd, UK 08.02.2004)
Mike
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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