Encyclopaedia of Chess Endgames
Click here for answer
Kf5!
pv 1. ... Kf5 2. Kc3 Rd1 3. Kc4 Rd7 4. Kc5 Rd1 5. Kc6 Ke5 6. Rg4 Kf5 7. Nf6 Kg6
menu