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EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Kf6 draw
4 Kg6 draw
5 Kh6 draw
6 Ra1 draw
7 Rb4 draw
8 Rb5 draw
9 Rb6 draw
10 Rd1 draw
11 Re1 draw
12 Rf1 draw
13 Kc7 loss in 2 half-moves
14 Kc8 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Ke8 loss in 2 half-moves
18 Kf7 loss in 2 half-moves
19 Kf8 loss in 2 half-moves
20 Kg8 loss in 2 half-moves
21 Kh7 loss in 2 half-moves
22 Kh8 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rc1 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves