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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kd2 draw
3 Kd3 draw
4 Ke2 draw
5 Ke4 draw
6 Kf2 draw
7 Kf3 draw
8 Kf4 draw
9 Kg4 draw
10 Kg5 draw
11 Kg6 draw
12 Kh4 draw
13 Kh6 draw
14 Rc2 draw
15 Rc6 draw
16 Rc7 draw
17 Rd8 draw
18 Re8 draw
19 Rf8 draw
20 Rh8 draw
21 Kd4 loss in 2 half-moves
22 Ra8 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rc1 loss in 2 half-moves
25 Rc3 loss in 2 half-moves
26 Rc4 loss in 2 half-moves
27 Rc5 loss in 2 half-moves