Szachy/Zadania/Mat w jednym posunięciu 4

a b c d e f g h
8a8 black rookb8 black knightc8 black bishopd8 black kinge8 black kingf8 black bishopg8 black kingh8 black rook8
7a7 black pawnb7 black pawnc7 black kingd7 black kinge7 black kingf7 black pawng7 black pawnh7 black pawn7
6a6 black kingb6 black kingc6 black pawnd6 black kinge6 black kingf6 black kingg6 black kingh6 black king6
5a5 black kingb5 black kingc5 black kingd5 black kinge5 black queenf5 black kingg5 white bishoph5 black king5
4a4 black kingb4 black kingc4 black kingd4 black kinge4 black knightf4 black kingg4 black kingh4 black king4
3a3 black kingb3 black kingc3 black kingd3 black kinge3 black kingf3 black kingg3 black kingh3 black king3
2a2 white pawnb2 white pawnc2 white pawnd2 black kinge2 black kingf2 white pawng2 white pawnh2 white pawn2
1a1 black kingb1 black kingc1 white kingd1 white rooke1 black kingf1 white bishopg1 white knighth1 white rook1
a b c d e f g h
Diagram

Białe matują w jednym posunięciu.