[Event "De Schaakwereld"] [Site "?"] [Date "1941.??.??"] [Round "?"] [White "Cortlever, N."] [Black "(Study 18b)"] [Result "1-0"] [SetUp "1"] [FEN "1kn5/p2p4/P1pP1p1q/1PP2P1P/5p2/4rQp1/K7/5B2 w - - 0 1"] [PlyCount "21"] [EventDate "1941.??.??"] [SourceDate "2004.06.13"] 1. bxc6 Rxf3 (1... dxc6 2. Qxc6 $18) 2. c7+ Ka8 3. Bg2 Qxh5 4. Ka1 $1 (4. Kb2 $2 Qh2 $19) 4... Qg4 (4... Qh1+ 5. Bxh1 g2 6. Bxg2 $18) 5. Kb2 Qh5 6. Kc1 Qg4 7. Kd2 Qh5 8. Kd1 (8. Ke2 $2 Qh2 9. Kxf3 Qg1 $19) 8... Qg4 9. Ke2 Qh5 10. Bxf3+ Qxf3+ 11. Kxf3 1-0