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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kf1 draw
3 Kf2 draw
4 Kf3 draw
5 Rb4 draw
6 Rb5 draw
7 Rb6 draw
8 Rb7 draw
9 Rc8 draw
10 Rd8 draw
11 Re8 draw
12 Rf8 draw
13 Rh8 draw
14 Kg1 loss in 2 half-moves
15 Kg3 loss in 2 half-moves
16 Kg4 loss in 2 half-moves
17 Kg5 loss in 2 half-moves
18 Kg6 loss in 2 half-moves
19 Kh1 loss in 2 half-moves
20 Kh2 loss in 2 half-moves
21 Kh3 loss in 2 half-moves
22 Kh4 loss in 2 half-moves
23 Kh6 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Rb1 loss in 2 half-moves
26 Rb2 loss in 2 half-moves
27 Rb3 loss in 2 half-moves