I think tactics puzzle #163496 is wrong
1... Rb1 2. Qc6+ Kd8 3. Qc7+ 3. Ke8 4. Nd6# would mate in three, yet 3. Qc7+ is marked as wrong and 3. Bb7 is suggested instead as the correct solution. It would take a much longer time to mate with this move...
Whom do I contact about this?
4 Nd6 is not mate !
1... Rb1 2. Qc6+ Kd8 3. Qc7+ 3. Ke8 4. Nd6# is not mate in three is it? Â What about Black's bishop?
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I think tactics puzzle #163496 is wrong
1... Rb1 2. Qc6+ Kd8 3. Qc7+ 3. Ke8 4. Nd6# would mate in three, yet 3. Qc7+ is marked as wrong and 3. Bb7 is suggested instead as the correct solution. It would take a much longer time to mate with this move...
Whom do I contact about this?