[Event "?"] [Site "London"] [Date "1972.??.??"] [Round "?"] [White "Sigurjonsson, G."] [Black "Stein, L."] [Result "*"] [Annotator "peter"] [SetUp "1"] [FEN "2rq1rk1/1b2bppp/pp2p3/4P3/PP1N1Pn1/1QNP4/6PP/R4RBK b - - 0 0"] [PlyCount "9"] [EventType "match"] [EventRounds "20"] [EventCountry "ENG"] [SourceVersionDate "2020.04.01"] {[#]} 1... Nxh2 $1 2. Kxh2 {Black can easily regain his piece due to the potential threat of Qh4 mate.} (2. Rfc1 {is best and was played in the game but Black was a clear pawn up and with a better position too, and went on to win.}) (2. Bxh2 Qxd4) 2... Rxc3 (2... Bxb4 {immediately is also good}) 3. Qb2 ( 3. Qxc3 Bxb4 {winning the white queen since Qh4 mate is threatened}) 3... Rxd3 {and the weaknesses in White's position will cost him further material e.g} 4. Ra3 (4. g3 Qd5) 4... Rxa3 5. Qxa3 Bxb4 *