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EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Rd8 draw
3 Re8 draw
4 Rf1 draw
5 Rf3 draw
6 Rf4 draw
7 Rf5 draw
8 K6a7 loss in 2 half-moves
9 K6b7 loss in 2 half-moves
10 K6c7 loss in 2 half-moves
11 K8a7 loss in 2 half-moves
12 K8b7 loss in 2 half-moves
13 K8c7 loss in 2 half-moves
14 Ka5 loss in 2 half-moves
15 Ka6 loss in 2 half-moves
16 Ka8 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Kc8 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves