Capture the Queen

Here is a problem I found, where the goal is to win the black queen. Black may do anything to prevent the loss of the queen, even getting mated just for white to fail his quest of capturing the queen.

Hans Klüver
Funkschach 1926

I forgot to add the move 1. ... Rc6. But again 2. Nc2 is played, threatening 3. Nxb4+ to fork the king and queen. 2. … Qb6 does nothing as 3. cxb6 can be played.

Looks like a nice problem but "blundering the king"? What you mean is that checkmate does not fulfill the assignment but not that it is OK to give away the king as in "losing chess"!

I’ve edited it now to “getting mated”: thanks for your feedback.

If the goal of the puzzle was to look for a checkmate then that could be done in 4 moves starting with promoting White's e pawn to a Queen. However, since you specified that the goal is to capture the Black Queen it can be done in 3 moves without promoting the e pawn. 

No! That's the difference between your puzzles with a confused logic and a professional composition which plays exactly by the rules and goals and not by SF scores!

The White Knight just landed on b3 to fork the Black Queen and Rook. What is Black's best response in 3 moves?

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Before I get to the puzzle I'll show you how I blundered and lost my Queen. Black attacked my light-square Bishop. So, I decided to sacrifice the Bishop to draw the Black King to the f7 square so I could check it with my Queen and fork it with the Black Rook. Although the eval was -8.6, I fought my way back to win the game by capturing the Black Queen and promoting my c pawn to a Queen and winning the endgame.

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