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EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Ka7 draw
3 Ka8 draw
4 Ra2 draw
5 Rc2 draw
6 Rd2 draw
7 Re2 draw
8 Rf1 draw
9 Rf4 draw
10 Rf5 draw
11 Rf6 draw
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kc7 loss in 2 half-moves
19 Kc8 loss in 2 half-moves
20 Kd3 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Kd5 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves