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EGTB: win in 18 half-moves

# move score
1 Kb7 win in 17 half-moves
2 Ka4 draw
3 Ka7 draw
4 Rf1 draw
5 Rf7 draw
6 Rf8 draw
7 Rg6 draw
8 Rh6 draw
9 K5b5 loss in 2 half-moves
10 K5b6 loss in 2 half-moves
11 K6b5 loss in 2 half-moves
12 K6b6 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves