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Queen Sac

Queen Sac

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Originally posted by Guych
[White "Guych"]
[Black "beinarr"]
[Result "1-0"]
[WhiteElo "1123"]
[BlackElo "1265"]
[ECO "B23"]
[TimeControl "300"]

5 min game on FICS.

Edit: Forgot that this thread is for Queen sacs...

[pgn] 1. e4 c5 2. Nc3 e5 3. g3 d6 4. Bg2 Nc6 5. d3 Nf6 6. Nge2 Be7 7. O-O O-O 8. f4 Be6 9. f5 Bd7 10. h3 a6 11. Kh2 Qc8 12. g4 h5 13. g5 Nh7 14. Ng3 h4 15. Nh5 ...[text shortened]... 7 32. Bxc6+ bxc6 33. Rxg7+ Qxg7 34. Qa7+ Kd6 35. Qxg7 {beinarr resigns} 1-0 [/pgn]
The thread appears to have moved beyond queen sacs to just sacs in general. That was a pretty interesting game, especially with the Knight sac on f6. I think instead of 20.Nb6, 20.Nxf6 should've also been considered.

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Originally posted by chesskid001
The thread appears to have moved beyond queen sacs to just sacs in general. That was a pretty interesting game, especially with the Knight sac on f6. I think instead of 20.Nb6, 20.Nxf6 should've also been considered.
Yes, Nxf6 looks exciting 🙂

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Nice games played. I enjoyed them. 🙂

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Originally posted by chesskid001
The thread appears to have moved beyond queen sacs to just sacs in general. That was a pretty interesting game, especially with the Knight sac on f6. I think instead of 20.Nb6, 20.Nxf6 should've also been considered.
Well, in that case another 5 min game from FICS.

[White "GuychRock"]
[Black "Schachuli"]
[Result "1-0"]
[WhiteElo "1126"]
[BlackElo "1138"]
[ECO "C60"]
[TimeControl "300"]

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Another 5 min FICS game. My opponent lost on time. Comments on my games are welcome 🙂

[White "GuychRock"]
[Black "teaga"]
[Result "1-0"]
[WhiteElo "1141"]
[BlackElo "1124"]

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I don't know Scandinavian theory too well, but I know that 3...Qe6+ is a bad move. It blocks in the e-pawn and the Queen is not too well placed there. Instead of playing 4.Qe2, I think White has a clear advantage with 4.Be2, planning to follow up simple with Nf3, O-O, and d4 in some order. White has a comfortable lead in development and begin to harrass the black Queen and possibly King by bringing the rooks to the central files.

Also, I think the Bxh6 sacrifice was unsound here, mainly because black can bring the Bishop to f6 and to g7 to defend. Usually, such sacs only work if A) You have a Bishop on the b1-h7 diagonal, so that after 1.Bxh6 gxh6 2.Qxh6, you are usually threatening mate either with 3.Qh7# (if a Rook is on f8), or 3.Bh7+ Kh8 4.Bg6+ Kg8 5.Qh7+ Kf8 6.Qxf7# (if there is no rook on f8 and f7 is undefended). Thus, black has no time to bring in any defensive forces. The other instance is B) If a quick Rook lift is possible- for example, if the Rook is on the e or d file and after 1. Bxh6 gxh6 2.Re3 or 2.Rd3, black has no time to play 2...Bf6, as Rg3+ (assuming the g3 square is open) is fatal. 2,...Bg5 could be met with 3. Rg3, pinning and threatening something like f4 or h4.

Of course, there are exceptions to these generalizations, but I find that in most games Bxh6 sacrifices won't work unless one of these conditions is met. Nonetheless, anything is possible in Blitz, and this was an entertaining game 🙂

2 edits
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Here is a three minute game I just played which featured two piece sacs. I am pretty sure the first is completely unsound, but I think black made a mistake in accepting the second sacrifice. Once again, anything is possible in blitz!

Edit: And of course, I dropped a piece on move 12 😀

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Originally posted by chesskid001
Just finished an interesting 5 minute game with a queen sacrifice. I think it was sound, but I haven't done any deep analysis. Enjoy.

[Event "uChess rated"]
[Site "www.uchess.com"]
[Date "2009.7.8"]
[Round "?"]
[White "chesskid001"]
[Black "thinkingaboutit"]
[Result "1-0"]

[pgn] 1. e2-e4 e7-e5 2. Ng1-f3 d7-d6 3. d2-d4 e5xd4 4. Nf3xd4 c7-c5 5. ...[text shortened]... 1 g7-g6 16. Bf7-e6 c5-c4 17. c2-c3 b7-b5 18. Rh1-e1 Ke4-d3 19. Re1-e3 1-0 [/pgn]
Yeah man nice Q sac, I occasionally whip out the B sac but nothing more than that.

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Here is another three minute game which I like to call "Hack and Attack" 😀

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Originally posted by chesskid001
Here is another three minute game which I like to call "Hack and Attack" 😀
The ending was very interesting. On the last move your opponent went into mate. I wonder if he could survive after playing Kc7 on his last move of the game.
What is the idea behind 6.g4?

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Rb7#

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Originally posted by Guych
The ending was very interesting. On the last move your opponent went into mate. I wonder if he could survive after playing Kc7 on his last move of the game.
What is the idea behind 6.g4?
The move 6.g4 is what is sometimes called a pawn "spike". A well known example of this is the Keres attack in the Sicilian Scheveningen Sicilian


Alexei Shirov tried an idea similar to this pawn spike against the Philidor, though I don't think this exact position ( I believe he played g4 on his 5th move, if I'm not mistaken). The idea is to push either push a knight on f6 to the rim of the board. It also makes it suicidal to castle Kingside immediately, as White will then develop a massive Kingside attack. If black somehow wins the pawn, the g-file opens up for the Rook on h1. This move looks anti positional, but in fact these pawn spikes are coming more and more in vogue on the professional level