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EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Kd5 draw
3 Kf6 draw
4 Ra3 draw
5 Ra5 draw
6 Ra6 draw
7 Ra8 draw
8 Rb7 draw
9 Rg7 draw
10 Re7 loss in 18 half-moves
11 Ke6 loss in 12 half-moves
12 Kd6 loss in 8 half-moves
13 Kd4 loss in 2 half-moves
14 Ke4 loss in 2 half-moves
15 Kf4 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves