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EGTB: win in 4 half-moves

# move score
1 Rf5 win in 3 half-moves
2 Ka5 draw
3 Ka8 draw
4 Ra1 draw
5 Rf2 draw
6 Rf3 draw
7 Rf4 draw
8 Rg1 draw
9 Rh1 draw
10 K6b6 loss in 2 half-moves
11 K6b7 loss in 2 half-moves
12 K7b6 loss in 2 half-moves
13 K7b7 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rf8 loss in 2 half-moves