Kevin Spraggett vs Jean Hebert (1982)

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Kevin Spraggett vs Jean Hebert
Match, Montreal (1982), rd 4
Sicilian Defense: Scheveningen. Tal Variation (B82) · 1-0

ANALYSIS [x]

FEN COPIED

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< Earlier Kibitzing · PAGE 2 OF 2 · Later Kibitzing>
Dec-24-06		chessmoron: Somehow 17...Bb7 should hold the position here. 18. Qh6+ Kh8 19. Rh3 Bxg5+! 20. Qxg5 Rg8 21. Qh6 Rg7 22. f6 Nxf6! 23. Qxf6 bxc3 24. Rxc3

Dec-24-06		goldfarbdj: I also saw Bxg7 but not f5!!. White's basic idea is Rh3; but Black can meet this with Nf8. So white wants to play f5 then g6; but in some variations black can effectively play g6 himself. So white takes off the g-pawn. Black has to accept the sacrifice, because the bishop on g7 threatens to take a knight on f8. Also in some variations it matters that the rook on e8 is unprotected. A very nice puzzle.

Dec-24-06		think: I thought about Qg6, but that looks like an outright loss after e5. In the end I settled on Rh3. Fritz likes white's position (specifically +4.23 after 12-ply) after 16. Rh3 Nf8 17. Bxg7 Kxg7 18. f5. White's attack looks menacing, his knight will come in soon on d5. Also, after 16. g6 hxg6 17. Rxg6! fxg6 18. Qxg6, black cannot protect both his rook and checkmate on g7.

Dec-24-06		Ch3ckmate: im stupified i didnt get this.. happy christmas!

Dec-24-06		dasp3edd3m0n: What was black thinking on 17 ... Rh8 ?

Dec-24-06		Fisheremon: <chessmoron: Somehow 17...Bb7 should hold the position here. 18. Qh6+ Kh8 19. Rh3 Bxg5+! 20. Qxg5 Rg8 21. Qh6 Rg7 22. f6 Nxf6! 23. Qxf6 bxc3 24. Rxc3> 24. Rg3 wins Quite interesting that White twice confused the order of move: much better 16. f5 bxc3 17. Bxg7, and 18. Qh6+ Kg8 19. fxe6 leading to a mate attack.

Dec-24-06		simontemplar44: I got the ♗xg7 move but missed the f5 followup. Yes, a very hard one.

Dec-24-06		GufeldStudent: No, Nd5 does work, so do Bxg7 and f5. This is a poorly choosen puzzle. There are many paths that work. The only puzzle idea that might work for this position is "Find all the ways white can win."

Dec-24-06		GufeldStudent: Also, g6 works quite well. Technically, I think it is the best move.

Dec-24-06		TheBB: Very nice. If 23... Nf6 then 24. e5! delivers the blow.

Dec-24-06		Silverstrike: My idea was 16.Bxa6 R/Bxa6 17.Rh3 Nf8 18.Rg1 with the idea of g6 and furthur attacking, and ideas of Nd5 perhaps if the black e-pawn feels inclined to move forward.

Dec-24-06		Soltari: I thought 16.Rh3.

Dec-24-06		babakova: 16.Rh3 Nf8

Dec-24-06		babakova: It might actually still win with f5 and all of that, but it seems less forcing and trickier to calculate.

Dec-24-06		statisticsman: <GufeldStudent> No, Nd5 does work, so do Bxg7 and f5. This is a poorly choosen puzzle. There are many paths that work. There always has to be a little whiner in the group doesn't there. Many times in chess there are multiple paths to victory, as perhaps this puzzle showed. Sorry it did not appease your linear mind and have only one path to victory.

Dec-24-06		Sneaky: <There always has to be a little whiner in the group> And on top of it, they are always very quick is disregard the possibility that their [computer's] analysis is wrong and Informant/etc. is right after all. (No offense to g.s. or anybody else; I'm speaking in the general case.)

Dec-24-06		Dick Brain: A hard one. I though the solution was g6 exploiting the rook on e8 -- normally the rook goes to d8. But even there I really didn't know if that was very strong. I looked at the solution Bxg7 for a long time and couldn't convince myself it was even likely to work.

Dec-24-06		KOCCMOHAYT: Rh3 is also winning in all variations. isn't it?

Dec-24-06		KOCCMOHAYT: ...nf8 solves the problem. right

Dec-24-06		greensfield: Went down a different route. 16.Rh3 for an attack down h-file. Blacks got 16...Nf8 & press on with 17.f5 several variations now, but I think White has got the upper hand. Any way missed the solution.

Dec-24-06		ALEXIN: Missed !

Dec-24-06		hkakos: Why did black resign? Why not 23...Rxg7 24. Rxg7 Nf6 25. ...? Is it because black is down a rook vs. a bishop? What about the white knight at c3? If white doesn't move it, won't black eventually take it? I'm just a beginner. Thank you for everyones help!

Dec-24-06		Dick Brain: <hkakos> 25. e5 look pretty stong in that case though there may be better moves

Dec-24-06		Fisheremon: <think: I thought about Qg6, but that looks like an outright loss after e5. In the end I settled on Rh3. Fritz likes white's position (specifically +4.23 after 12-ply) after 16. Rh3 Nf8 17. Bxg7 Kxg7 18. f5. White's attack looks menacing, his knight will come in soon on d5. Also, after 16. g6 hxg6 17. Rxg6! fxg6 18. Qxg6, black cannot protect both his rook and checkmate on g7.> The main line with 16. g6 hxg6 17. Rxg6 fxg6 18. Qxg6 Bf8 19. Qxe8 Nc5 and Black might have enough counterplay.

Dec-25-06		kevin86: A nice puzzle. White was able to isolate and capture the rook at g8. I like the games where white castles on the queenside and attacks on the kingside-even though black didn't castle there.

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