Honfi – Sebestyen
Dunaujvaros, 1952
White to Move

a   b   c   d   e   f   g   h   8   8   7   7   6   6   5   5   4   4   3   3   2   2   1   1   a   b   c   d   e   f   g   h

Click Down Arrow to Choose Auto Play Speed 0 1 2 3 4 5 6 7 8 9 Move:    [you may click on a move notation in the solution below to jump to that move]

 

1.Qf6!! {White threatens back rank mate with Qg7# against the entombed Black King} if 1…Rxh6 then
	[if 1…Qxf6!! then 2.Re8#]
2.Qxd8+ {and Black will have a decisive win}

 

Padevski – Ginstolisi
Reggio Emilia, 1962
Black to Move

a   b   c   d   e   f   g   h   8   8   7   7   6   6   5   5   4   4   3   3   2   2   1   1   a   b   c   d   e   f   g   h

Click Down Arrow to Choose Auto Play Speed 0 1 2 3 4 5 6 7 8 9 Move:    [you may click on a move notation in the solution below to jump to that move]

 

1…Qc3!! {threatens both Qxc2 and Qf1#} 2.Qb1 {to protect against back rank mate by Qf1#}
	[2.Qxc3 Rd1+ 3.Qe1 Rxe1#]
2…Qf3!! setup for deadly fork check Rd1+!! followed by Qxd1 Qxd1+ (White can avoid a back rank mate on second move via Rg3, Rg4, Rg5, h3, or h4, none of which save the White Queen)}

 

Dementyev – Karpov
Riga, 1971
White to Move

a   b   c   d   e   f   g   h   8   8   7   7   6   6   5   5   4   4   3   3   2   2   1   1   a   b   c   d   e   f   g   h

Click Down Arrow to Choose Auto Play Speed 0 1 2 3 4 5 6 7 8 9 Move:    [you may click on a move notation in the solution below to jump to that move]

 

1.Qd5!! {Double threat. Move threatens both capture of Black’s Rook at b3 for material gain and threatens White Queen capture of Black pawn at f7 with a White Rook-Queen horizontal battery on the seventh rank for back rank mate as Black King could not move to h8 due to that square being controlled by the White Bishop at d4 up the long diagonal. If Black responds with Qxd5 then Rxe8#. If White responds Rxe7, then Qxa8+ Rb8 Qxb8+ Re8 Qxe8# (or shorter Qxa8+ Re8 Qxe8#)}