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EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb2 win in 9 half-moves
3 Kd3 draw
4 Kd5 draw
5 Ke3 draw
6 Ke5 draw
7 Kf3 draw
8 Kf5 draw
9 Ra6 draw
10 Rb1 draw
11 Rb3 draw
12 Rb5 draw
13 Kd4 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Kg2 loss in 2 half-moves
16 Kg3 loss in 2 half-moves
17 Kg4 loss in 2 half-moves
18 Kh2 loss in 2 half-moves
19 Kh4 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rc6 loss in 2 half-moves
23 Rd6 loss in 2 half-moves
24 Re6 loss in 2 half-moves
25 Rf6 loss in 2 half-moves
26 Rg6 loss in 2 half-moves
27 Rh6 loss in 2 half-moves