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EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rb7 win in 13 half-moves
3 Kb5 draw
4 Kc5 draw
5 Kd5 draw
6 Ra2 draw
7 Rb3 draw
8 Rb4 draw
9 Rb5 draw
10 Rb6 draw
11 Re2 draw
12 Rf2 draw
13 Rg2 draw
14 Kb3 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Ke7 loss in 2 half-moves
20 Ke8 loss in 2 half-moves
21 Kf7 loss in 2 half-moves
22 Kg7 loss in 2 half-moves
23 Kg8 loss in 2 half-moves
24 Rb1 loss in 2 half-moves
25 Rc2 loss in 2 half-moves
26 Rd2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves