[Event "Moskau Wch"] [White "03.04 Petrosian,Tigran V"] [Black "Spassky,Boris"] [Site ""] [Round ""] [Annotator ""] [Result "1/2-1/2"] [Date "1966.??.??"] [PlyCount "11"] [Setup "1"] [FEN "8/3b2k1/r1p5/p2p3p/P2Np3/1P2P1P1/2R3KP/8 w - - 0 1"] {[%csl ][%cal ]} 1. g4 $1 hxg4 2. Kg3 Kf6 3. Kf4 Rb6 4. Rc5 Ra6 5. Rc2 Rb6 6. Rc5 1/2-1/2