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EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Kb3 draw
3 Kc3 draw
4 Kd3 draw
5 Ra1 draw
6 Rc1 draw
7 Rd1 draw
8 Re1 draw
9 Rg3 draw
10 Kb1 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kc1 loss in 2 half-moves
13 Kd1 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Kf4 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Kg5 loss in 2 half-moves
18 Kh4 loss in 2 half-moves
19 Kh5 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh1 loss in 2 half-moves
23 Kf3 loss in 1 half-moves
24 Kg3 loss in 1 half-moves
25 Kh3 loss in 1 half-moves