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EGTB: win in 4 half-moves

# move score
1 Rf3 win in 3 half-moves
2 Kff3 draw
3 Kff5 draw
4 Kgf3 draw
5 Kgf5 draw
6 Kgg3 draw
7 Kgg5 draw
8 Kh3 draw
9 Kh4 draw
10 Kh5 draw
11 Rc1 draw
12 Rf2 draw
13 Rg1 draw
14 Ke3 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Kfg3 loss in 2 half-moves
18 Kfg5 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Rh1 loss in 2 half-moves