[Event "Pandolfini's Endgame Course"] [Site "by Bruce Pandolfini"] [Round "0"] [White "Endgame 033"] [Black "Dual Methods"] [Result "1-0"] [FEN "3k4/8/4K3/8/8/2Q5/8/3r4 w - - 0 1"] 1. Qh8+ Kc7 2. Qh2+ Kb7 3. Qb2+ Ka7 4. Qa3+ Kb7 5. Qb3+ Kc6 6. Qxd1 {#r} 1-0