Qf7+ Kxf7 Nd6+ does not win the queen because the queen is on b6 and can capture your knight Qxd6
The correct solution is Rxf6 gxf6 Qg7+ Ke8 (or Kd8) Qxh8+ Ke7 Qxc8
Qf7+ Kxf7 Nd6+ does not win the queen because the queen is on b6 and can capture your knight Qxd6
The correct solution is Rxf6 gxf6 Qg7+ Ke8 (or Kd8) Qxh8+ Ke7 Qxc8
Sorry, I mean in this position, the queen has just moved to Qb7, double attack on g2 pawnwith the bishop. I played Qf7+, thinking that the knight would fork king and queen then would capture the queen thereafter, but chess.com determined that it wasn't right. So I guess there must be two possible solutions here, mustn't it?
From your description, I assume that the automatic black move is Qb7.
The problem with your line is that it doesn't win anything! It simply exchanges Queens in a position where white is heavily material down which favours black.
I would guess that the correct answer is Rxf6 which allows the white Queen to infiltrate on g7.
However, chess.com determined that my move Qf7+ is incorrect and IDK why this happened so. They determined me that the correct solution in this case is Rxf6 a rook sacrifice. I disagreed and reported this puzzle problem several times to see how chess.com would notify me with this.
Do anyone knows whether there is only one answer here or more than one? Just LMK with your own general ideas and explanations.
If you can explain this problem fully, then each of you will be rewarded with some cheers and new free challenges!