White to move and checkmate in 4.
8/6p1/5p1p/5K1k/8/5P2/6PP/8 w – – 0 1
Daily Chess Improvement: Checkmate in 4
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White to move and checkmate in 4.
8/6p1/5p1p/5K1k/8/5P2/6PP/8 w – – 0 1
1)g3
1)…g6+ 2)Kxf6 g5 3) Kf5 g4 4)fxg4#
1)…g5 2)h4 gxh4 3)g5#
2)…….g4 3)fxg4#
Beautiful!
1.g3!
A>1….g6+.2.Kxf6.g5.3.Kf5!.g4.4.fxg4#!
B>1….g5. 2.h4!.
B1>2….gxh4.3.g4#!
B2>2….g4..3.fxg4#!
1.g3 g6+
(1… g5 2.h4 or h3 g4 3.fxg4# )
2.Kxf6 g5
3.h3
(3.Kf5 g4 4.fxg4# is also o.k.)
3…. g4
4.f or hxg4#
1. g3! if 1… g6 2. Kxf6 g5 3. h3!! g4
4. fxg4# or if 1…g5 then 2. h3!! g4 3. fxg4#
g3 g6
Kxf6 g5
Kf5 g4
fxg4#
Easy.
g3, then forced pawn moves for black and fxg4 mate.
1. g2 … this paralizes the black King. Only the b pawn has moves.
Possibility#1
1 … g6+, 2 Kxf6, g5, 3 Kg5, g4
4 fxg4+ mate
Possibility#2
1 … g5, 2 h3 g4, 3 fxg4+ mate
1. g2 … this paralizes the black King. Only the b pawn has moves.
Possibility#1
1 … g6+, 2 Kxf6, g5, 3 Kg5, g4
4 fxg4+ mate
Possibility#2
1 … g5, 2 h3 g4, 3 fxg4+ mate
1. g3 , g6+
2. Kxf6, g5
3. Kf5, g4
4. f3xg4#
1. g3, g5
2. h3, g4
3. f3xg4#
Edgar
I must put the source because it’s incredibly old!
Source (with white pawn b2 and black pawn a4, mate in 5 because of the …a3 possibility):
Ponziani, Domenico Lorenzo, Il Giuoco Incomparabile degli Scacchi, 1769. Yes, THE Ponziani!