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| Apr-04-04 | | unclewalter: umm...what if 20. Nxc7? |
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| Apr-04-04 | | unclewalter: okay, that's mate in like 12...what if just 19. ...Kh8? |
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| Apr-04-04 | | crafty: 20. ♘xc7 ♘xc7 21. ♘g5+ ♔g6 22. ♘f3 ♘f5 23. g4 ♗b5  (eval -3.66; depth 12 ply; 750M nodes) |
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| Apr-04-04 | | rndapology: hmm...this seems a good place to ask, but I assume that the means advantage to black? In some databases I see + = arranged vertically with the plus being on top of bottom. I also see a - and + vertically and sometimes a symbol that looks like the infinity symbol, what do these all mean? Is there a link that can help me? |
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| Apr-04-04 | | Bears092: click on crafty |
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| Apr-04-04 | | schizoidman: Using Fritz 8: 20...Nxc7 21.Ng5+ Kg6(21...Kh6 22.Nxf7+ Kh7 23.Qh5+ Kg8 24.Ng5 Bf5 25.Nf6+ gxf6 26.exf6 Rxd1+ 27.Kh2 Bh6 27.f7+ Kf8 28.Qxh5#)22.Nf4+ Kxg5 23.Qh5+ Kxf4 24.Rd4# and if 21...Kg8 22Qh5 Bf5 23.Qxf7+ Kh8 24.Qh5+ Kg8 25.Nf6+ gXf6 26.exf6 Rxd1+ 27.Kh2 Bg6 28.f7+ Bxf7 29.Qxf7# |
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| Apr-04-04 | | crafty: 19...♔h8 20. ♘xc7 ♘c6 21. ♘xe6 ♗xe6 22. ♗d3 ♔g8 23. ♘g5  (eval 2.40; depth 13 ply; 750M nodes) |
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| Apr-04-04 | | Minor Piece Activity: Nice sac, Bxh7+ did not come to me immediately... I first tried 19. Nf6+ but it didn't really work out. |
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| Apr-04-04 | | karlzen: If black plays Nxc7 then it will be an ordinary Greek Gift position but with black getting control of the b1-h7 diagonal (Bf5) and white having an extra knight to sac to get pawn and bishop (Bb2) in the attack together with Rd1. For those who don't see it, (Crafty just gave a computer line after all) 19...Kh8 20.Nxc7! Nxc7 21.Ng5 threatening Qh5 21...g6 22.Rxd7!! Rxd7 23.e6+ Bg7 24.exd7 Qxd7 25.Bxg7+ Kxg7 26.Qe5+ (only thanks to this check does white win) 26...f6 27.Qxc7 Qxc7 28.Rxc7 fxg5 29.Rxe7+ Kh6 30.Rxb7 and black can't play a6, Rh8xh7 because white wins the pawn endgame. :) |
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| Apr-04-04 | | kevin86: A king side attack with a twist! |
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| Apr-04-04 | | Helloween: <rndapology>  means White is slightly better, and Black is slightly better is shown by  . Plus over minus means White has a strong advantage and vice versa. means White is winning, Black is winning. Infinity symbol means the position is unclear. = over an infinity sign means the side who last moved has compensation for sacrificed material. An arrow pointing right over an arrow pointing left means the side who last moved has counterplay in the position. = means the position is even. There are many more, but these are the main symbols used in position assessment. |
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| Apr-04-04 | | PAWNTOEFOUR: the first thing i considered was bxh7,just by the way the bishops were arranged,but that rook move after kxh7 was a shocker to me! thanks fellows for all the analysis..i'll play over all that |
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| Apr-04-04 | | rndapology: Thanks Helloween, that was very helpful. |
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| Apr-04-04 | | worcester usa: I still don't see more than a 2-pawn advantage for white:
21 ... Bxe7
22 Rdxd7 Rxd7
23 Rxd7 Qf8
24 Rxb7
Am I missing anything? |
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Apr-04-04
 | | Sneaky: I don't think you're missing anything, but considering that White starts minus one pawn, converting into a +2 pawn advantage is pretty good. |
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Apr-04-04
 | | jaime gallegos: why there is not a reference about the place and the tournament ? Where did you find this game chessgames.com ? |
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| Apr-05-04 | | karlzen: <worcester usa>, white's advantage should be considered greater than two pawns. He has not only a big material advantage but also a crushing position, while black has no counter-play at all. No need for masters to play on. :) |
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| Nov-19-06 | | think: What I think is funniest about this position is the move before the puzzle position, white moved Bb1. |
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| Nov-19-06 | | ValmonUni: i got the move RIGHT AWAY which is unusual for me for a a puzzle like this.... but i never never never get the continuation. how frustrating. great game though |
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Nov-19-06
 | | al wazir: I sort of got this . . . I couldn't decide between 20. Rxc7 and 20. Nxc7. The trouble with 20. Rxc7 was that black can play 20...Nf4, and if 21. Nxf4 then 21...Qxc7. Now if 22. Ng5+ it gets messy: 22...Kg8 24. Qh5 Bf5 25. Qxf7+ Kh8 26. Ng6+ Nxg6 27. Rxd8 Rxd8 28. Qxf5. Maybe there's a win here, but I don't see it. If 21. Qe4+ then 21...Bf5 22. Qxf4 Qe6.
<CG>: From all the kibitzing on April 4, 2004, it looks as though this was used as a puzzle once before. Are you recycling them now? |
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| Nov-19-06 | | mig55: I saw Qc2 with an advantage for white...But Bxc7 is much better.. |
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| Nov-19-06 | | mig55: Al wazir if20..../ Nf4 white plays 21.Ng5 followed by Qc2 and if then Bf5, follows Nxe7! |
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| Nov-19-06 | | ahmadov: This is a difficult one. Even my computer has difficulties to find it :). |
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| Nov-19-06 | | GufeldStudent: Actually, I believe you can start both with Rxc7 or Bxh7, just this first line is a lot longer. |
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| Nov-19-06 | | Operation Mindcrime: Good variation on the Greek Gift theme - ♗xh7+ looked obvious given the denuded Black kingside, but the presence of the ♘ at e6 was in the way of the usual follow-up, ♘g5+. This meant that the deflection sacrifice, ♖xc7!! was the key to the whole position; if the rook is taken by the knight, ♘g5+ wins. Took some time to figure out.. |
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