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EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Rb8 draw
3 Rd8 draw
4 Rg1 draw
5 Rg5 draw
6 Rg6 draw
7 Rg7 draw
8 Rh8 draw
9 Ka6 loss in 2 half-moves
10 Kaa7 loss in 2 half-moves
11 Kab8 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kba7 loss in 2 half-moves
14 Kbb8 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kc8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rg4 loss in 2 half-moves