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Daily chess puzzle

June 14, 2017

A break for a day from Dragoslav Andric’s 1981 book “Matni Udar”.

A special puzzle on my birthday (the only thing I share with Donald Trump)

Instead, a puzzle I really struggled with from Jon Speelman’s Agony Column on Chessbase.

White to play and find a strong continuation

speelman1

Hiban v Harley, 2016, shown on Chessbase.com

Solution

I would never have found the combination in a game, and neither did White. As it was, something about the puzzle intrigued and interested me, and I spent a lot of time on it, culminating in setting up the pieces on one of my big sets, carrying on studying it, then resorting to moving the pieces round. Then giving up, and, as I gave up, finding the solution. That is how it is sometimes, isn’t it?- the answer comes from nowhere.

1 Nd5! Nd5 2 Nb5!!

speelman2

White wins at least a pawn.

That’s the only line Jon gives, but I worried more about 1..Qb7, after which I found (eventually) 2 Qa5! which Komodo tells me is +2: as I saw, the bind is really strong.

speelman3

However, Komodo finds 2 Ne7!!

speelman4.JPG

2…Ke7[] 3 Ne6!!

speelman5

A truly ridiculously good computer line. 3…Qb8 (or 3…Qc6) 4 Ng7 takes the LPDO Bg7. The tactics continue to roll. The line I looked at was 4…Rg8 (trying to capture the Ng7) 5 Bf4 (hitting d6) 5…Ne5 (blocking the bishop) 6 Be5! (intending to…) 6..de 7 Qb4+ (the point of Be5)

speelman6

FEN

r1b1k2r/2qnppb1/p2p1np1/1p5p/3NP3/1BN1BP2/PPPQ2PP/2KR3R w kq – 0 12

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