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EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Ne1 draw
3 Ne3 draw
4 Nf4 draw
5 Nh4 draw
6 Rd7 draw
7 Rg5 draw
8 Rg8 draw
9 Ra7 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Re7 loss in 2 half-moves
13 Rg3 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rg6 loss in 2 half-moves
16 Rh7 loss in 2 half-moves