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EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rc6 win in 3 half-moves
3 Kb6 draw
4 Kb7 draw
5 Kb8 draw
6 Kc6 draw
7 Kc8 draw
8 Kcd7 draw
9 Kcd8 draw
10 Ke8 draw
11 Ked7 draw
12 Ked8 draw
13 Kf7 draw
14 Kf8 draw
15 Ra6 draw
16 Rd6 draw
17 Rh1 draw
18 Rh7 draw
19 Rh8 draw
20 Kcd6 loss in 2 half-moves
21 Ke6 loss in 2 half-moves
22 Ked6 loss in 2 half-moves
23 Kf6 loss in 2 half-moves
24 Re6 loss in 2 half-moves
25 Rf6 loss in 2 half-moves
26 Rg6 loss in 2 half-moves
27 Rh2 loss in 2 half-moves
28 Rh3 loss in 2 half-moves
29 Rh4 loss in 2 half-moves
30 Rh5 loss in 2 half-moves