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EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kd6 draw
5 Kd7 draw
6 Ke7 draw
7 Kf6 draw
8 Kf7 draw
9 Ra7 draw
10 Rb7 draw
11 Re7 draw
12 Rf7 draw
13 Rg1 draw
14 Rg6 draw
15 Rg8 draw
16 Rh7 draw
17 Kb4 loss in 2 half-moves
18 Kb5 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Kf5 loss in 2 half-moves
22 Rc7 loss in 2 half-moves
23 Rd7 loss in 2 half-moves
24 Rg2 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rg5 loss in 2 half-moves