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EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Kc6 win in 3 half-moves
3 Kab6 draw
4 Kab7 draw
5 Kab8 draw
6 Kcb6 draw
7 Kcb7 draw
8 Kcb8 draw
9 Rb5 draw
10 Rg4 draw
11 Rg6 draw
12 Rg7 draw
13 Rg8 draw
14 Ka8 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Kd8 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rd5 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rh5 loss in 2 half-moves