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EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kcb2 draw
3 Kcb3 draw
4 Kd2 draw
5 Kd3 draw
6 Rg6 draw
7 Rh5 draw
8 Ka1 loss in 2 half-moves
9 Ka3 loss in 2 half-moves
10 Kab2 loss in 2 half-moves
11 Kab3 loss in 2 half-moves
12 Kb1 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rg1 loss in 2 half-moves
23 Rg2 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rg8 loss in 2 half-moves