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EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Nb8 draw
3 Nc5 draw
4 Nc7 draw
5 Ra5 draw
6 Rc1 draw
7 Rg1 draw
8 Nb4 loss in 4 half-moves
9 Kg7 loss in 2 half-moves
10 Kg8 loss in 2 half-moves
11 Kh7 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rh1 loss in 2 half-moves