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EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Ra8 draw
3 Rc8 draw
4 Rd8 draw
5 Re8 draw
6 Rg1 draw
7 Rg3 draw
8 Rg4 draw
9 Kc3 loss in 2 half-moves
10 Kc4 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kdd3 loss in 2 half-moves
15 Kde4 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Ked3 loss in 2 half-moves
19 Kee4 loss in 2 half-moves
20 Kf2 loss in 2 half-moves
21 Kf3 loss in 2 half-moves
22 Kf4 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg5 loss in 2 half-moves
26 Rg6 loss in 2 half-moves
27 Rg7 loss in 2 half-moves
28 Rh8 loss in 2 half-moves