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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kc2 draw
3 Kc3 draw
4 Kd2 draw
5 Kde2 draw
6 Kde3 draw
7 Kf2 draw
8 Kf4 draw
9 Kfe2 draw
10 Kfe3 draw
11 Kg3 draw
12 Kg4 draw
13 Ra1 draw
14 Ra2 draw
15 Ra3 draw
16 Re8 draw
17 Rf8 draw
18 Rh8 draw
19 Kc4 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Kde4 loss in 2 half-moves
22 Kfe4 loss in 2 half-moves
23 Kg2 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Ra5 loss in 2 half-moves
26 Ra6 loss in 2 half-moves
27 Ra7 loss in 2 half-moves
28 Rb8 loss in 2 half-moves
29 Rc8 loss in 2 half-moves
30 Rd8 loss in 2 half-moves