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EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Ka6 draw
3 Kb6 draw
4 Rb3 draw
5 Rb4 draw
6 Rb5 draw
7 Rb6 draw
8 Rb7 draw
9 Rd2 draw
10 Re2 draw
11 Rf2 draw
12 Rg2 draw
13 Ka8 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kb8 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 Kg7 loss in 2 half-moves
20 Kg8 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rc2 loss in 2 half-moves
24 Rh2 loss in 2 half-moves