[Event "?"] [Site "London"] [Date "????.??.??"] [Round "?"] [White "White to play"] [Black "?"] [Result "*"] [Annotator "peter"] [SetUp "1"] [FEN "2rr2k1/1p3pp1/p1b4p/q2Np1b1/4P3/3R1Q2/PPP1B1PP/1K1R4 w - - 0 1"] [PlyCount "9"] [EventType "match"] [EventRounds "20"] [EventCountry "ENG"] [SourceVersionDate "2020.04.01"] {[#]} 1. b4 {Perhaps Larsen had been looking the other way, i.e. worrying about his king safety.} Qb5 (1... Qa4 2. Ra3 Rxd5 (2... Qxa3 3. Qxa3 $18) 3. exd5 Qxb4+ 4. Rb3 Qe7 5. dxc6 $18) 2. c4 (2. Nf6+ {immediately wins the queen for two minor pieces but 2.c4 is even stronger}) 2... Qxc4 3. Nf6+ Bxf6 4. Rxd8+ Bxd8 5. Bxc4 $18 *