[Event "Halle, 1967"] [White "Vlastimil Hort"] [Black "Erkki Havansi"] [FEN "1R6/4r1pk/pp2N2p/4nP2/2p5/2P3P1/P2P1K2/8 w - - 1 0"] %Hidden=1 1. Nf8+ Kg8 2. Ng6+ Re8 3. Rxe8+ Kf7 4. Rf8#