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EGTB: win in 18 half-moves

# move score
1 Rb8 win in 17 half-moves
2 Kd5 draw
3 Ke7 draw
4 Ke8 draw
5 Kf5 draw
6 Kf7 draw
7 Kg7 draw
8 Kg8 draw
9 Ra5 draw
10 Rc5 draw
11 Rd5 draw
12 Kd4 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Ke4 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Kf4 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb7 loss in 2 half-moves