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EGTB: win in 4 half-moves

# move score
1 Kf2 win in 3 half-moves
2 Rb2 draw
3 Rc2 draw
4 Rd2 draw
5 Rg1 draw
6 Rg7 draw
7 Ke1 loss in 2 half-moves
8 Ke2 loss in 2 half-moves
9 Kfg1 loss in 2 half-moves
10 Kh2 loss in 2 half-moves
11 Khg1 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Re2 loss in 2 half-moves
14 Rf2 loss in 2 half-moves
15 Rg3 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh2 loss in 2 half-moves