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| Nov-27-15 | | jith1207: Looks like <CG> has given a Black Hole puzzle For The Win for Black on a Black Friday. |
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| Nov-27-15 | | patzer2: Didn't even consider 27...e5! for my Black Friday solution, but after seeing it played it out in the game it's an obvious three-step solution: (1) 27...e5! attacks the pinned Rook.
(2) 28. fxe5 fxe5 repeats the attack on the pinned Rook, clears the f-file and forces the deflection 29. Rxe5. (3) 29...Qxd5  wins with a double attack (i.e. Queen Fork) due to the weak back rank and the mate threat. |
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| Nov-27-15 | | morfishine: Strange game. Visually awkward puzzle thats much easier to see from the Black side. Can't complain for not seeing this short combination: White didn't see it either as evidenced by the howler <27.Rxd4> ??? |
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| Nov-27-15 | | diagonalley: ...darn... nearly got it... but foresaw 30.B-B1 ...which of course is hopeless as black also has his KR focussed on that square... DOH! |
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| Nov-27-15 | | gofer: Exploiting the rook pin is obvious, after that white's back rank weakness is the next thing to
be far too simple for a <Friday>. So we are left with a very simple win for black in two moves
on a <Friday>!?
<27 ... e5>
<28 fxe5 fxe5>
Black wins the rook, because <29 Rxe5 Qxd4+> mating... ~~~
Way too simple for a <Friday>! But I see lots of people are missing it, so it must be
<Freaky Friday!> |
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| Nov-27-15 | | nalinw: Perhaps I would have got it if I noticed it was Black to move ........ |
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| Nov-27-15 | | stacase: Attacking a pinned piece is always fun and usually a good move.
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| Nov-27-15 | | Nick46: Frankly, Zeller left Svane swaying. |
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| Nov-27-15 | | erdogankilic: I followed the 27...e5 28.fxe5 fxe5 29.Rxe5 Rc1 path at first as Phony Benoni but it loses against 30.Re8+ |
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Nov-27-15
 | | OhioChessFan: I'm with <gofer> in that it is one of the easiest Fridays I've seen and am surprised so many had trouble with it. Instead of the Nimzo adage about engaging a weakness on one wing and then moving to the now undefended other wing, this one is engaging a weakness in the middle, then moving to the new weakness on the back rank. |
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| Nov-27-15 | | whiteshark: Heh, I've seen this before... :) |
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| Nov-27-15 | | kubbybulin: Bit on the Rf1 idea and totally missed e5. Tried pretty much everything but e5. In hindsight, attacking a pinned rook with a pawn should be a consideration. |
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| Nov-27-15 | | dfcx: Black can exploit the pin on the rook and the white's back rank. Black can win the rook with
27...e5 28.fxe5 fxe5 29.Rxe5?? Qxd4+ 30.Qxd4 Rc1+ and mates |
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| Nov-27-15 | | CHESSTTCAMPS: Black is down a pawn, but white has two major pieces tied down: the rook on d4 by absolute pin and the queen to the defense of the rook. Natural candidate moves in this situation are moves that enhance the attack on the pinned piece (e5) or moves that displace the defending queen, e.g. Rc1 or Bxb3. The candidate 27... Rc1 simply trades black's active rook for an immobilized rook after 28.Qxc1 Qxd4+ 29.Qe3, a very bad choice. Also unsatisfactory for black is 27... e5 28.fe fe 29.Rxe5 Bxb3 30.Re8+ Rf8 31.Rxf8+ Kxf8 32.Qd2 and black has nothing for dropping another pawn. Instead, black should prepare the e5 break with 27... Bxb3! 28.Qd2 (forced) Rc2 29.Qd3 (Qd1 Rb2! 30.Qd3 e5!) e5! 30.fe (Qxb3 Qxd4+ 31.Qe3 Qxe3+ is a won ending) fe and now: A.31.Rxe5 Rc1+ wins
B.31.Qxb3 Qxd4+ wins
Time for review.... |
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| Nov-27-15 | | CHESSTTCAMPS: I saw the weak back rank in A, but still overlooked 29... Qd4+! in rejected candidate #2! |
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Nov-27-15
 | | Domdaniel: Difficult? No, it's too directly forcing to be truly difficult: I saw the whole thing in seconds. The trick, of course, is to delay the ...Qxd4 pseudo-sac until after the advance and forced exchange of the e-pawn -- so that White's back rank is weakened fatally and both Black Rooks can join the attack. |
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| Nov-27-15 | | Nichth: In looking at 27...e5, I couldn't see far enough to work out that, at the final published position, white's uncoordinated pieces must fall one by one in futile defence of the back rank mate. So I took the long way home with the much more pedestrian 27..Bxb3 with some advantage for black |
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| Nov-27-15 | | Marmot PFL: Figured it had to be 27...e5 as it's the only way to get Rf7 into the game. |
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| Nov-27-15 | | BOSTER: Black Swan (Swedich < Svan>).
After Sunset. |
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| Nov-27-15 | | TheFocus: Rather easy for a Friday puzzle. |
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| Nov-27-15 | | JimmyRockHound: Yup. An easy Friday puzzle. My engine got it in a millisecond. |
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Nov-27-15
 | | dgm1214: Indeed! |
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Nov-27-15
| | Domdaniel: The opening is also of some interest, btw. I've always liked the Blumenfeld Gambit, an earlier version of the Benko which can give black a strong central pawn mass.
White's 5.e4, giving up a pawn, is very strange. |
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| Nov-28-15 | | JohnDMaster: This was too easy because there was only one way to play it, therefore the difficulty level should not be 3 stars. |
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| Nov-28-15 | | whiteshark: <Domdaniel: White's 5.e4, giving up a pawn, is very strange.> It's probably called contemporary theory or the art of modern play, aka counter-gambiting the counter-gambit. ;) All games with <1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. d5 b5 5. e4 Nxe4 6. Bd3 Nf6 7. O-O> have been played 2012 or later Games Like R Svane vs F Zeller, 2014 It's very likely that we missed a NIC article on it.... [hectic browze in the background] |
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