I did it! First time I've got it right first time with no 'wrong move, try again'! Zippedy doo daa, zippedy eh. My, oh my, it's a wonderful day...
Nice puzzle too, I reckon we've all been in similar situations to this in our own games and missed the ending. Long live Chess.Com for helping us learn.
But the third move is the very point of the first two. If not for that resource, black's position looks fine since white has a weak d-pawn and black a strong passer on c4. If he gets the time to play something like 3...Rd8, I prefer to have black in that position.
It did take some thinking through - the potential double attack with f6 was easy to stop in the original position, but figuring out exactly how to dislodge the queen (and if that was indeed the correct idea) was where I employed "reverse engineering". Another point was theat the black king had no legal moves. f6 would threaten mate. That is, I'd like to force the black queen away, something that can be accomplished by either forcing it to recapture something or threatening it. Re6 looked interesting at first, but there really isn't anything but a rook down for white after 1.Re6?? fxe6 threatening to exchange on d7.
The only recapture the queen can do is on d6, but the rook is also defended by a knight. Dislodging queen = dislodging knight. Now the knight can be taken outright with 1.Bxb6 intending 1...axb6 2.Rxd6 Qxd6 3.f6 +-.
What can black do to deviate from this? The first move that stands out is 1..Rxd7, but after the recapture white is a clean piece ahead. Next comes 1...Rb6, but 2.Bxc4 keeps the piece and pressure. White's threat of 2.Rxd6 really reduces black's options. After then 1.Bxb6 axb6 2.Rxd6, black is in big trouble. Attempting to gain a tempo with 2...Qc3 is no good, the rook can simply move and keep the material superiority but still stronger is 3.f6! Qxe1+ 4.Kh2 and the threat of 5.Qg7+ and 6.Qg8# is unstoppable!
Thus, 1.Bxb6 appears to win in all variation - black can simply chose between losing a piece with Rxd7 (best) or a rook for pawn with axb6, though it wouldn't surprise me at all if the white initiative in the latter line gives him yet more than that. Puzzle solved.
Hmm...
Multiple tactical themes?
I liked the final position, reminds me of "old" days at youth championships in Norway;)
Discovered attack, double threat, misdirection, removing defenders. Though I agree that it's a weird title for this puzzle.
then Qg7 mate
nice
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