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EGTB: win in 4 half-moves

# move score
1 Rc6 win in 3 half-moves
2 Ka5 draw
3 Kab4 draw
4 Kab5 draw
5 Kc4 draw
6 Kc6 draw
7 Ra8 draw
8 Rc7 draw
9 Rf8 draw
10 Ka3 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kcb4 loss in 2 half-moves
14 Kcb5 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves