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EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Ka4 draw
3 Ka7 draw
4 Ra2 draw
5 Rf1 draw
6 Rf3 draw
7 Rf8 draw
8 Rg2 draw
9 Rh2 draw
10 K5b5 loss in 2 half-moves
11 K5b6 loss in 2 half-moves
12 K6b5 loss in 2 half-moves
13 K6b6 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rf6 loss in 2 half-moves