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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 Rf8 draw
5 Rg1 draw
6 Rg2 draw
7 Rg3 draw
8 Rg4 draw
9 Ka5 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kaa7 loss in 2 half-moves
12 Kab7 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kba7 loss in 2 half-moves
16 Kbb7 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh8 loss in 2 half-moves