Today’s winning 5-second tactics

”If it does not challenge you, then it does not make you stronger.”–unknown
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Rose, Matthew (2300)

im Roberson, Peter (2406)
4NCL 2015.2.14 Last weekend. Position after 20 moves. Black seems to have done things well, having excellent piece development and the better pawn structure. Unfortunately for Black, the game is all about the King…
WHITE TO PLAY AND WIN!
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gm Venkatesh, M.R

Rieger, Robert (2236)
Lienz Open 2015.2.10 Position before Black’s 21st move. White has taken a pawn on b5 and seems confident that everything is undercontrol…
BLACK TO PLAY AND PROVE OTHERWISE!
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NICE EXECUTION!
Giese, Tilman (2060)

fm Fuchs, Georg (2200)
Lienz Open 2015.2.8 Position after 16 moves. The opening has been a disaster for Black, but atleast he can console himself by being a pawn up. However, with his King uncastled he is about to be torn to shreds by White’s forceful play…
17.Bh6!

Ouch! White threatens to take twice on f6. If now 17…Bxh6 18.Nxf6 exf6 19.Qxf6+ Kg8 20.Qxh6 and Black is helpless; or 17…e5 simply 18.Nxf6. Finally, if 17…Kf7 18.Bxg7 Kxg7 19.Rae1! Rbe8 20.Rxe7+! and Black can resign. Black tries another idea trying to hold things together…
17…Ne8

Probably the most clinical kill is now 18.Rae1! e6 19.Nf6 Qe7 20.Nxe8 Rxe8 21.Rxe6! etc, but White’s solution is hard to fault:
18.Nxe7!
How often does one get the opportunity to sacrifice two pieces in one game? If now 17…QxN 18.Rxf5+ is killing immediately (18…Kg8 19.Qd5+ or 18…Nf6 19.Rxf6+) Black can resign with a clear conscience (and then go home to learn the opening properly!) but played on a bit…
18…Kf7!? 19.Bxg7 Nxg7 20.Nd5
and the game did not last much longer
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