Jan de Wit vs Nick de Firmian (1982)

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Jan de Wit vs Nick de Firmian
6th Lloyds Bank Masters Open (1982), London ENG, rd 6, Aug-??
Sicilian Defense: Najdorf. Amsterdam Variation (B93) · 1-0

ANALYSIS [x]

FEN COPIED

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sac: 33.Qxf8+	PGN: download \| view \| print	Help: general \| java-troubleshooting

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< Earlier Kibitzing · PAGE 3 OF 3 · Later Kibitzing>
Aug-28-12		sera: I had 33.Rbg1 as the solution to this puzzle. e.g. 33.Rbg1 Ne6 34.Bxe6 Qxe6 35.Qxf8+ Kxf8 36.Rg8#.

Aug-28-12		sevenseaman: <Oxpawn> The help is outlined on page 50 (dated Aug-27-12) somewhere in the middle.

Aug-28-12		Apoline48: Why not 21... e3 pinning the Q and attacking white's B ?

Aug-28-12		Sastre: <Apoline48: Why not 21... e3 pinning the Q and attacking white's B ?> White is fine after 21...e3 22.Nd5 Qd7 (22...exd2 Nxc7; 22...Bxd5 23.Qxd5 exd2 24.Qxf7+) 23.Bxe3 Qxf5 24.Bf3.

Aug-28-12		mccarthpm: R takes b6 wins easily too

Aug-28-12		SuperPatzer77: <zb2cr: 33. Qxf8, Kxf8; 34. Rh7! Now Black has no defense: click for larger view 34. ... Kg8; Rg1#. 34. ... Qxf6; Bxf6 renews the mate threat. > <zb2cr> 34...Kg8, 35. Rg1+ (not mate) Kf8, 36. Rh8# White mates in two if 34. Rbg1 or 34. Bh7 see below: 34...Qxf6, 35. Bxf6 (Black any move), 36. Rg8# If 34. Rh7 - see below: a) 34...Kg8, 35. Rg1+ (not mate) Kf8, 36. Rh8# b) 34...Qxf6, 35. Bxf6 Kg8, 36. Rh8# SuperPatzer77

Aug-28-12		Zatrikion: 33.Qxf8+ Kxf8 34.Rag1 and mate cannot be avoided (Qxf6 then Bxf6)

Aug-28-12		Tiggler: <sightlesswisdom>: <Does anyone see any reason why 33. Rbg1, with the threat of 34. Qxf8+ doesn't work? That is to say, I had moves 33 and 34 switched around in my solution. Did I miss something?> Even though it allows 33... Ne6, it does work. Only because Black has previously castled, however. We do not know that if we just look at the puzzle position.

Aug-28-12		Castleinthesky: Got it today. It's a nice game to review, as white methodically prepares for the sac.

Aug-28-12		mccarthpm: Aug-28-12 master of defence: I was thinking in 33.Rxb6, winning the queen, because 33...Qxb6 34.Bxd7+ Nxd7 35.Qxf7+ Kd8 36.Qxd7#. Or I missed something? this works fine

Aug-28-12		Alex56171: <sightlesswisdom> 33. Rbg1 also works, only takes 6 x 4 moves to checkmate (by Fritz). But generates a more complex and elegant combination.

Aug-28-12		gawain: The only Black piece in position to defend the King is the poor bishop. Therefore it has to begin with 33 Qxf8+. I suppose after 33...Kxf8 White will play 34 R/1g1. I see no way for Black to stop the mate.

Aug-28-12		MATTYMONKEES: I went <mccarthpm>'s way as well. 33. Rxb6 works, it's just that it takes longer.

Aug-28-12		chrisowen: Ha I book it wobbled knightc5 in clink again g5 to d7 (all equal) untill d5 in tie back e3 it breakthrough in g6 to present day aim for 33.qxf8+ in slim picking e8 is all out of sink with pieces scattered among queenside in block glock rook upto protect I f7 in cake it walk queen gadzooks take f8 in king slider.

Aug-28-12		kevin86: The queen sac is to be followed by a quiet rook move. But mate will follow,there is no escape...

Aug-28-12		gars: <Phony Benoni>: I quote <LoveThatJoker>: 33) Qxf8+! Kxf8 34) Bh7 Qxf6 35) Bxf6 any 36) Rg8#

Aug-28-12		whiteshark: That's quite an execution.

Aug-28-12		gofer: http://www.chessvideos.tv/endgame-t... 1 Rbg1... mate in 7(?) 1 Qxf8... mate in 4

Aug-28-12		stst: Yeah, easy, but too many options. Pick the most obvious: 33.QxB+ KxQ (forced) 34.Rh7 (cool, not immediate kill, but forcing mate next) ...now if (A)Kg8 ==> 35.Rg1# (B)Ke8 or QxP@a4 or NxP@a4 ==> 35.Rh8# The strike 33.BxR+ may win material, but will prolong the winning sequence, if there's one.

Aug-28-12		SuperPatzer77: <stst ... 34.Rh7 (cool, not immediate kill, but forcing mate next) ...now if (A)Kg8 ==> 35.Rg1# ...> 34. Rh7 Kg8, 35. Rg1+ (NOT MATE) Kf8, 36. Rh8# SuperPatzer77

Aug-28-12		Jambow: Just didn't see it :0(

Aug-28-12		Amarande: Chose the Bh7 variation myself. I think it's because I'm reminded of some of the sidelines in Saemisch vs F Herzog, 1924 where mate is forced by a similar Bishop move.

Aug-28-12		xynkrn: Thought about 33.Rxb6 following the same line of reason as <<master of defence>: I was thinking in 33.Rxb6, winning the queen, because 33...Qxb6 34.Bxd7+ Nxd7 35.Qxf7+ Kd8 36.Qxd7#.> Knowing this Black's best move will be 33...Ne6 but after 34.Bxe6 Black has no way to escape a checkmate. Some lines might be: 34...fxe6 35.Rxc6 Bxc6 36.Qxc6+ Re7 37.Rxe7+ Bxe7 38.Qxe7# 34...fxe6 35.Rxc6 Bxc6 36.Qxc6+ Kd8 37.Rg8 Kc8 38.Qxc6+ Rc7 39.Qxc7# 34...fxe6 35.Rxc6 Bxc6 36.Qxc6+ Be7 37.Rg8# 34...fxe6 35.Rxc6 Rxg7 36.fxg7 Bxc6 (Bishop at f8 is pinned) 37.gxf8=Q+ Kd7 38.Qd6# 34...fxe6 35.Rxc6 Rc8 36.Rxe6+ Re7 37.fxe7 Rc7 38.exf8=Q# 34�Qxf6 35.Rxe6+ fxe6 36.Qxe6+ Re7 37.Rxe7+ Bxe7 38.Qxe7# 34�Qxf6 35.Rxe6+ Re7 36.Rxe7+ Kd8 37.Qxf8#

Aug-28-12		Moonwalker: Missed it.. Embarrassing!

Aug-30-12		Checker2: <master of defence> Sorry, that was 33 ...Ne6 but it is not much of a defense. It loses the queen and only delays mate a few moves.

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