[Event "Moskau Wch"] [Site "?"] [Date "1966.??.??"] [Round "?"] [White "03.04 Petrosian, Tigran V"] [Black "Spassky, Boris"] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/3b2k1/r1p5/p2p3p/P2Np3/1P2P1P1/2R3KP/8 w - - 0 1"] [PlyCount "11"] [EventDate "1978.??.??"] [SourceTitle "CTTC Seminar"] [Source "Karstern Müller"] [SourceDate "2019.02.10"] [SourceVersion "1"] [SourceVersionDate "2019.02.10"] [SourceQuality "1"] 1. g4 $1 hxg4 2. Kg3 Kf6 3. Kf4 Rb6 4. Rc5 Ra6 5. Rc2 Rb6 6. Rc5 1/2-1/2