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EGTB: win in 4 half-moves

# move score
1 Rc6 win in 3 half-moves
2 Ka6 draw
3 Kab5 draw
4 Kab6 draw
5 Kc6 draw
6 Ra8 draw
7 Rc7 draw
8 Re8 draw
9 Rf8 draw
10 Rg8 draw
11 Rh8 draw
12 Ka4 loss in 2 half-moves
13 Kab4 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kcb4 loss in 2 half-moves
16 Kcb5 loss in 2 half-moves
17 Kcb6 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rd8 loss in 2 half-moves