Today’s 5-second tactics!

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gm Vidit, Santosh Gujrathi
gm Debashis, Das
19th Kolkata GM Open 2014.3.20 Position before Black’s 22nd move. Clearly something has gone wrong with White’s middlegame and Black has built up quite an armada over on the kingside. Four pieces, including both Rooks and the Queen. Even the spectators expect a quick blowout…
BLACK TO PLAY AND WIN!
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Costa, Vincenzo
Velasco Blasco, Juan Manuel
TCh-CAT 2014.2.15 Position after 17 moves of play. White has a strong attack on the Kingside…any ideas on how to proceed?
WHITE TO PLAY AND WIN!
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19th Kolkata GM Open 2014.3.20 Debashis, Das–Vidit, Santosh Gujrathi: 22… Bxh3!! White resigns. After 23.gxh3 Rf3 24.Nc3 Rh5 mate can not be avoided for long
TCh-CAT 2014.2.15 Velasco Blasco, Juan Manuel–Costa, Vincenzo: 18.Nxh7! Kxh7 19.hxg6+ Kg7 20.Rh7+ White has a forced mate Kg8 21.gxf7+ Rxf7 (Taking the Rook is met by 22.Bd3+) 22.Qg4+ Rg7 23.Bxe6+ 1-0