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EGTB: win in 4 half-moves

# move score
1 Re8 win in 3 half-moves
2 Kfg8 draw
3 Ra8 draw
4 Rb1 draw
5 Rb2 draw
6 Rb3 draw
7 Rb6 draw
8 Ke7 loss in 2 half-moves
9 Ke8 loss in 2 half-moves
10 Kf7 loss in 2 half-moves
11 Kh7 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Kfg7 loss in 1 half-moves
18 Khg7 loss in 1 half-moves
19 Khg8 loss in 1 half-moves