Hard difficulty puzzle, mate in 3, white to move.
8/5n2/R7/2k5/1p6/8/1K4BQ/1n6 w – - 0 1
Solutions:
1. Ra4!
1… Nd8, Nh8, Nd6, Nh6, Ne5, Ng5 2. Qe5+
2… Kc4 3. Qd5#
2… Kb6 3. Qa5#
1… Kb5 2. Qc7 … 3. Ra5#
2… Kxa4 3. Bc6#
1… Kc4, Kd4 2. Qf4+ … 3.Qxb4#
2… Kd3 3. Bf1#
1… Kb6 2. Qb8+ Kc5 3. Qxb4#
1… Na3, Nc3, Nd2 2. Qc7+ … 3.Ra5#
2… Kd4 3. Qc3#













