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EGTB: win in 4 half-moves

# move score
1 Kb8 win in 3 half-moves
2 Kd8 win in 3 half-moves
3 Ka7 draw
4 Ke8 draw
5 Kf7 draw
6 Kf8 draw
7 Rc1 draw
8 Rg2 draw
9 Rg7 draw
10 Rg8 draw
11 Rh1 draw
12 Kb7 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rg3 loss in 2 half-moves
23 Rg4 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rg6 loss in 2 half-moves