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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 K4g4 draw
3 K4g5 draw
4 K5g4 draw
5 K5g5 draw
6 Kg3 draw
7 Kg6 draw
8 Kh3 draw
9 Kh6 draw
10 Ra8 draw
11 Rb2 draw
12 Rf8 draw
13 Rh8 draw
14 Rb1 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves