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EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Ke4 draw
3 Ke5 draw
4 Kf5 draw
5 Kfg4 draw
6 Kfg5 draw
7 Kg6 draw
8 Kh4 draw
9 Kh6 draw
10 Khg4 draw
11 Khg5 draw
12 Ra8 draw
13 Rb5 draw
14 Rb6 draw
15 Rb7 draw
16 Rc8 draw
17 Rf8 draw
18 Rg8 draw
19 Rh8 draw
20 Ke3 loss in 2 half-moves
21 Kf3 loss in 2 half-moves
22 Kg3 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Rb3 loss in 2 half-moves
26 Rd8 loss in 2 half-moves
27 Re8 loss in 2 half-moves