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EGTB: win in 4 half-moves

# move score
1 Kgf7 win in 3 half-moves
2 Kg5 draw
3 Kg7 draw
4 Kgf5 draw
5 Kh5 draw
6 Kh6 draw
7 Kh7 draw
8 Rf3 draw
9 Rf7 draw
10 Rf8 draw
11 Kd5 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Kef5 loss in 2 half-moves
17 Kef7 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves