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EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Ka5 draw
3 Ka8 draw
4 Ra2 draw
5 Rf2 draw
6 Rg1 draw
7 Rg3 draw
8 Rg4 draw
9 Rh2 draw
10 K6b6 loss in 2 half-moves
11 K6b7 loss in 2 half-moves
12 K7b6 loss in 2 half-moves
13 K7b7 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rg8 loss in 2 half-moves