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EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kd7 win in 3 half-moves
3 Kbc5 draw
4 Kbc6 draw
5 Kbc7 draw
6 Kdc5 draw
7 Kdc6 draw
8 Kdc7 draw
9 Rc8 draw
10 Rg4 draw
11 Rg5 draw
12 Rg6 draw
13 Rg7 draw
14 Ka5 loss in 2 half-moves
15 Ka6 loss in 2 half-moves
16 Ka7 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Ke7 loss in 2 half-moves
22 Ra8 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rd8 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg1 loss in 2 half-moves
28 Rg2 loss in 2 half-moves
29 Rg3 loss in 2 half-moves
30 Rh8 loss in 2 half-moves