[Event "white wins"]
[Site "?"]
[Date "1921.??.??"]
[Round "?"]
[White "Prokes Ladislav, Duras Oldrich"]
[Black "Casopis cs. sachistu"]
[Result "1-0"]
[SetUp "1"]
[FEN "8/3ppqp1/6p1/3Pp3/8/3pQP1k/5P2/5K2 w - - 0 1"]
[PlyCount "17"]
[EventDate "1921.??.??"]
[Source "ChessBase"]
[SourceDate "2000.10.30"]

{Ladislav Prokes composed this windmill study together with one of the
greatest Czech players, Oldrich Duras.} 1. f4+ Kg4 2. Qg3+ Kf5 {White uses the
mill to get rid of the pawn on e5.} 3. Qg5+ Ke4 4. Qxe5+ Kf3 5. Qe3+ Kg4 6.
Qg3+ Kf5 {Without the black pawn on e5, white has time for a quiet move,
threatening mate.} 7. f3 $1 Qxd5 (7... Qf6 8. Qg4#) 8. Qg5+ Ke6 9. Qxg6# 1-0

