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EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Kf1 draw
3 Kf2 draw
4 Kf3 draw
5 Ra8 draw
6 Rb3 draw
7 Rb4 draw
8 Rb5 draw
9 Rb7 draw
10 Rf8 draw
11 Rg8 draw
12 Kg1 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Kg4 loss in 2 half-moves
15 Kg5 loss in 2 half-moves
16 Kg6 loss in 2 half-moves
17 Kh1 loss in 2 half-moves
18 Kh2 loss in 2 half-moves
19 Kh3 loss in 2 half-moves
20 Kh4 loss in 2 half-moves
21 Kh6 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb6 loss in 2 half-moves
25 Rc8 loss in 2 half-moves
26 Rd8 loss in 2 half-moves
27 Re8 loss in 2 half-moves