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Ladislav Prokeš (7 June 1884 – 9 January 1966) was one of the most prolific composers of endgame studies in chess. He was born and died in Prague. Prokeš was joint Czech Champion in 1921〔 and played for the Czech Olympiad team in 1927, 1928, and 1930.〔(Prokeš, Ladislav ) team chess record at olimpbase.org〕 In 1951 he published a collection of studies "Kniha šachových studií". His 1,159 endgame studies, as listed in Harold van der Heijden's database, rank fourth among all composers.〔(My Computerised Collection ) by Harold van der Heijden. ''EG'' 130, October 1998, page 413.〕 ==Prokeš maneuver== The Prokeš maneuver is a tactic in chess that enables a rook to draw against two advanced pawns in a chess endgame. Prokeš composed an endgame study in 1939 which illustrated the Prokeš maneuver for the first time.〔(Article ) by Tim Krabbe (See Diagram 12.) Viewed 6 August 2007〕 The solution begins: :1. Kg4 e2 :2. Rc1+ Kd4 :3. Kf3 d2 and Black threatens to promote a pawn, which would win. But White forces the draw with: :4. Rc4+! Kd3 :5. Rd4+! Kxd4 :6. Kxe2 Kc3 :7. Kd1 Kd3 stalemate The idea is, that by vacating the c1-square on the fourth move, White's rook prevents Black's pawn from capturing on c1. The white king is then able to reach the d1-square, stopping the pawn. The position after 6.Kxe2 is drawn (see King and pawn versus king endgame). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ladislav Prokeš」の詳細全文を読む スポンサード リンク
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