Apr-22-04
 | | Honza Cervenka: Interesting fight with lovely finish. After 31...gxf6 32.Nxf6+ Kd8 33.Qxc6 the game is over. |
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| Jan-27-07 | | fred lennox: 10.Kg1 Qc6 11.Qe2+ Be7 12.h3 Qb6+ 13.d4 Nf6 14.Kh2 Bd7 15. Re1 0-0 - Bogoljubow |
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| Jan-27-07 | | farrooj: <fred lennox> What evaluation does bogoljubov give that line? |
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| Dec-29-10 | | jmboutiere: DuMont "Basis of combination in chess", pag 4 |
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Sep-03-24
 | | takebackok: The walls come down early Tuesday, after 30. Rxe7+ blacks best might be to set the pieces up for the next game. |
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| Sep-03-24 | | Mayankk: White has two vulnerable Knights. One is pinned by a dangerous-looking Black Bishop on long diagonal. The other seems to have lost its way inside Black kingdom at h7. Surprisingly they can be used as assets after we notice the double royal fork threat at f6. White casually ignores all Black threats by 30 Rxe7+. Black's only plausible alternative is 30 ... Rxe7 and suddenly 31 Nxf6+ seems possible. Both 31 Nhxf6+ and 31 Ndxf6+ should likely win. Say 31 Nhxf6+ gxf6 32 Ndxf6+ Kd8 33 Nxg8 Bxf3 34 Nxe7 and White has a bunch of Kingside passed pawns and should win. |
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| Sep-03-24 | | mel gibson: That's tricky as White's Queen is pinned by the Bishop on c6. Stockfish 16.1 says mate in 23:
30. Rxe7+
(1.Rxe7+ Rxe7 2.Ndxf6+ gxf6 3.Nxf6+ Kd8 4.Qxc6 Nxg4+ 5.hxg4 Qh8+ 6.Nh5 Qh7 7.Qxa8+ Kd7
8.Rxe7+ Qxe7 9.Kg3 d5 10.Qxd5+ Qd6 11.Qxd6+ cxd6 12.g5 b5 13.g6 Ke8 14.d5
b4 15.Bxb4 a5 16.Bxd6 Kd7 17.Bc5 Ke8 18.Nf6+ Kd8 19.g7 Kc7 20.g8Q Kb7
21.Qe8 Kc7 22.Qc6+ Kb8 23.Nd7+) +M23/57 1362)
White wins _ mate in 23. |
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| Sep-03-24 | | TheaN: This isn't a trivial Tuesday, considering White's dealing with some threats too, mainly the pin on the long diagonal and the knight on h7. Still, the first move is in Tuesday-style with <30.Rxe7+>. For a while I considered 30.Nxe7, threatening Qxc6, but 30....Bxf3 31.Nxg8 Rxg8 32.Rxf3 Rg8 was a bit unclear; it clearly wins after 33.Ng5! +- but it's worse than the text. Because, what is Black going to do? The first move takes out the crucial defender of f6, and that's what this is about. Declining is pointless: 30....Kd8 (Kc8 is worse) 31.Rxe8+ Bxe8 32.Nhxf6 gxf6 33.Nxf6 +- and as good as every piece in the Black camp is in. However, <30....Rxe7> isn't much better, a knight's going to f6 anyway. The text is superior as it prevents Kd8: 31.Ndxf6+ Kd8? 32.Qxc6 +- and the threats are similar as the text but worse. Instead I chose <31.Nhxf6>: 31....Kd8 is still +8 after 32.Nxg8 Nxg8 33.f5 +-, but requires a bit more finesse. The point being however: <31....gxf6 32.Nxf6+ Kd8 33.Qxc6 +-> and Black's dealing with way too many threats, Qxa8#, Rxe7 and Nxg8. |
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Sep-03-24
 | | chrisowen: I doh it is prick tan q it is web Rxe7 abridge lug duh it is axiom juggle aao it is ko it is ajar Rxe7 ed :) |
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| Sep-03-24 | | saturn2: I was content with 30.Nxe7. White is up a piece now and both queens are attacked.
No matter what black does white remains up a piece. In such situations one has to take care of sidesteps giving check or attacking pieces. But black has nothing. |
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| Sep-03-24 | | TheaN: <saturn2: I was content with 30.Nxe7. White is up a piece now and both queens are attacked. No matter what black does white remains up a piece.> That is not as easy as it sounds: 30.Nxe7?! Bxf3 31.Nxg8 Rxg8 32.Rxf3 Rh8:
click for larger view
Four moves win here, but in all of them, White doesn't remain up a piece because the knight's trapped. The simplest idea is probably 33.g5! Nf5 (Rxh7 34.gxh6 +- now White <is> up a piece +-) 34.Nxf6+ gxf6 35.d5 +-:
click for larger view
d5 is necessary to keep a major advantage but it's also pretty straightforward, open up the diagonal to let the bishop come to life. Black will gain control of the e-file for a few moves but otherwise can't stop the three king side pawns. |
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| Sep-03-24 | | saturn2: <Thea} I did not calcolate so far. But in your first diagram white has even 33.Ng5 fxg5 34.hxg5 Ng8 35.Rf7 Kc6 36.d5 Kxd5 37.Rxc7 with black's pieces on the back rank and the king in the middle. The engine gives it a big advantage worth about 2 pieces. |
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| Sep-03-24 | | TheaN: Issue after 33.Ng5 for me is 33....Nxg4+ which gives Black some play after 34.Kg1 Nh6 35.Ne6 Rh7 36.d5 Nf5 +-, primarily that the position is still closed and it's a piece for pawn. There's no denying the text is significantly superior, it's +8 vs +3 and Black has no play left when the queen arrives on c6. Sometimes it is better to keep the major pieces on the board if the attack is simply decisive. |
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Kibitzing
sac: 30.Rxe7+