L’épine en a3

   [Event ""]  [Site "Australia"]  [Date "1973"]  [Round ""]  [White "Brodie, Alfred"]  [Black "Prods, Arvids"]  [Result "0-1"]  [ECO "B53"]  [WhiteElo "2200"]  [BlackElo "2200"]  [SetUp "1"]  [FEN "5r2/4r2k/1p5p/2bQ1p2/3p2P1/pP3P2/P1P5/BK6 b - - 0 37"]  [PlyCount "1"]  [EventDate "1973"]  [Source "ChessBase"]  [SourceDate "1999.07.01"]   37... Re1#       

   [Event ""]  [Site "USA"]  [Date "1990"]  [Round ""]  [White "Weeramantry, Sunil"]  [Black "Cornwall, William"]  [Result "0-1"]  [ECO "B07"]  [WhiteElo "2260"]  [SetUp "1"]  [FEN "3rk3/4pp1N/npp2P2/7R/2P5/pP6/PbKBR3/5r2 b - - 0 36"]  [PlyCount "1"]  [EventDate "1990"]  [Source "ChessBase"]  [SourceDate "1996.11.15"]   36... Nb4+ 0-1       

   [Event ""]  [Site "Burgas"]  [Date "1993"]  [Round ""]  [White "Rodriguez Lopez, Rafael"]  [Black "Ziegler, Ari"]  [Result "0-1"]  [ECO "B80"]  [BlackElo "2335"]  [SetUp "1"]  [FEN "5r1k/4RPbp/7q/5Q2/8/pPp5/P1K1N3/8 b - - 0 40"]  [PlyCount "1"]  [EventDate "1993"]  [EventType "swiss"]  [EventRounds "9"]  [EventCountry "ESP"]  [Source "ChessBase"]  [SourceDate "2005.11.24"]   40... Qd2+ 0-1       

   [Event ""]  [Site "Laguna"]  [Date "1996"]  [Round ""]  [White "Kopriva, Petr"]  [Black "Bibas, David"]  [Result "0-1"]  [ECO "B31"]  [SetUp "1"]  [FEN "7k/7r/1pp1b1r1/2p3Pp/p4pN1/1PqPpP1P/P1P1Q3/1K4RR b - - 0 36"]  [PlyCount "1"]  [EventDate "1996.06.01"]  [EventType "team-swiss"]  [EventRounds "9"]  [EventCountry "BRA"]  [Source "ChessBase"]  [SourceDate "2009.11.30"]  [WhiteTeam "Czech Republic (blind)"]  [BlackTeam "Israel (blind)"]  [WhiteTeamCountry "CZE"]  [BlackTeamCountry "ISR"]   36... a3 0-1       

   [Event ""]  [Site "Czechia"]  [Date "1998"]  [Round ""]  [White "Prandstetter, Eduard"]  [Black "Cvek, Robert"]  [Result "0-1"]  [ECO "B66"]  [WhiteElo "2390"]  [BlackElo "2430"]  [SetUp "1"]  [FEN "8/4k3/3p1p2/7p/4qb1P/pPQ5/P1RrN1P1/1K6 b - - 0 42"]  [PlyCount "1"]  [EventDate "1998"]  [EventType "team"]  [EventRounds "11"]  [EventCountry "CZE"]  [Source "ChessBase"]  [SourceDate "1999.11.16"]   42... Rd1+ 0-1       

   [Event ")"]  [Site "Bucharest"]  [Date "1998"]  [Round ""]  [White "Vasiesiu, Cristina"]  [Black "Ionescu Brandis, Irina"]  [Result "0-1"]  [ECO "B07"]  [WhiteElo "2225"]  [BlackElo "2330"]  [SetUp "1"]  [FEN "5r1k/2p4p/3pR1qb/1p1P4/8/pP3P1Q/P1P4P/1K6 b - - 0 35"]  [PlyCount "1"]  [EventDate "1998"]  [Source "ChessBase"]  [SourceDate "1998.11.10"]   35... Qg1+ 0-1       

   [Event ""]  [Site "Rochefort"]  [Date "1998"]  [Round ""]  [White "Zeynelabidin, Sipan"]  [Black "Bujisho, Benjamin"]  [Result "0-1"]  [ECO "B48"]  [BlackElo "2250"]  [SetUp "1"]  [FEN "6k1/5p2/4p3/3r1qp1/5P2/pP4QP/P7/K1R5 b - - 0 37"]  [PlyCount "1"]  [EventDate "1998"]  [EventType "swiss"]  [EventRounds "9"]  [EventCountry "FRA"]  [Source "ChessBase"]  [SourceDate "1999.11.16"]   37... Qf6+ 0-1       

   [Event ""]  [Site "Philadelphia"]  [Date "1999"]  [Round ""]  [White "Saravanan, Venkat"]  [Black "De Fotis, Gary"]  [Result "0-1"]  [ECO "B90"]  [WhiteElo "2393"]  [BlackElo "2234"]  [SetUp "1"]  [FEN "2rk4/6p1/3pQb2/2qP4/1p3P2/pP2p3/P1P1N3/1K4R1 b - - 0 38"]  [PlyCount "1"]  [EventDate "1999"]  [Source "ChessBase"]  [SourceDate "1999.11.16"]   38... Qxc2# 0-1