Special brain teaser Chess tactic, Puzzle Solving 2k2b1r/1q6/Q3ppb1/8/p5P1/2N3n1/1PP4p/1K1R1B2 w – – 0 1White to move. Can you find a 9-move checkmate for White? Level of difficulty: 3 out of 4. Chess Daily News from Susan Polgar
I remember this one well, and I thought at the time that it was mate in 8, not 9. I looked over my notes and still only see mate in 8.
@Yancey: you get the mate in 9 when you play 5. Qe7+ etc.
5. Rd7+ results in a mate in 8, though.