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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Rb4 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Rf8 draw
10 Rh8 draw
11 Kg1 loss in 2 half-moves
12 Kg2 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Kg6 loss in 2 half-moves
16 Kg7 loss in 2 half-moves
17 Kh1 loss in 2 half-moves
18 Kh3 loss in 2 half-moves
19 Kh5 loss in 2 half-moves
20 Kh7 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves