[Event "NM"]
[Site "Asker"]
[Date "1988.??.??"]
[Round "?"]
[White "Sven Wisløff-Nilsen"]
[Black "Erik Koefoed"]
[Result "1-0"]
[SetUp "1"]
[FEN "r1br2k1/pp3p2/1q2pbp1/4N2Q/3P4/3B4/PP3PPP/2R2RK1 w - - 0 1"]

1. Bxg6! fxg6 2. Qxg6+ Bg7 3. Qf7+ Kh8 4. Rc3! 1-0

[Event "?"]
[Site "?"]
[Date "1857.??.??"]
[Round "?"]
[White "Studie by S.Reichhelm, 1938"]
[Black ""]
[Result "1-0"]
[SetUp "1"]
[FEN "7Q/3kpk2/N1kkp1k1/5k2/2k2Pk1/1R1NkkP1/K2R4/1B2B3 w - -"]

{Ten Kings mate in one move.}
1. Ne5! 1-0