Today’s winning 5-second tactics

“I see it all perfectly; there are two possible situations — one can either do this or that. My honest opinion and my friendly advice is this: do it or do not do it — you will regret both.” ― Søren Kierkegaard, Either/Or: A Fragment of Life
“Maybe all one can do is hope to end up with the right regrets.” ― Arthur Miller, The Ride Down Mt. Morgan
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TRAPPER TRAPPED!
gm Socko, Bartosz

im Szelag, Marcin (2439)
Bundesliga Rostock GER 2015.2.1 This is great fun!! Position after 16 moves of a popular line in the Nimzo Indian. White, an IM, did not appreciate the danger hidden in the position. Had he, then no doubt he would have continued with 17.Ba6, eliminating the Bishop on b7. INSTEAD, probably feeling that a draw would be an acceptable result, he decided to ‘give perpetual check’…
17.Qg4+? Kh8 18.Qh4

Expecting 18…RxB 19.Qxf6+ with a perpetual check
18…Rg8!

Now White’s play is forced as Black is threatening both the Bishop and a decisive check on g2
19.Qxf6+ Rg7 20.Be2

What else can White do to not lose his Bishop?
BLACK TO PLAY AND CRUSH!
20…Qe7!!

Very original! The Queen must be taken as if now 21,Qe5 f6!
21.Qxe7 Rxg2+ 22.Kh1

22…Rg1+!!!
It is forced mate!
