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EGTB: win in 4 half-moves

# move score
1 Rh7 win in 3 half-moves
2 Ke8 draw
3 Kfg7 draw
4 Kfg8 draw
5 Kh7 draw
6 Khg7 draw
7 Khg8 draw
8 Ra3 draw
9 Ra8 draw
10 Rb7 draw
11 Rf7 draw
12 Rg7 draw
13 Ke7 loss in 2 half-moves
14 Kf7 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re7 loss in 2 half-moves