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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kd1 draw
3 Ke1 draw
4 Kf1 draw
5 Rb1 draw
6 Rb2 draw
7 Rb3 draw
8 Rb4 draw
9 Rc8 draw
10 Rd8 draw
11 Re8 draw
12 Rf8 draw
13 Rh8 draw
14 Kd2 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Kf2 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Kg3 loss in 2 half-moves
20 Kg4 loss in 2 half-moves
21 Kg5 loss in 2 half-moves
22 Kh3 loss in 2 half-moves
23 Kh5 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Rb5 loss in 2 half-moves
26 Rb6 loss in 2 half-moves
27 Rb7 loss in 2 half-moves