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EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Rb3 draw
3 Rb4 draw
4 Rb5 draw
5 Rb6 draw
6 Rc1 draw
7 Rd1 draw
8 Re1 draw
9 Rg1 draw
10 Rh1 draw
11 Ke7 loss in 2 half-moves
12 Ke8 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Kg3 loss in 2 half-moves
18 Kg5 loss in 2 half-moves
19 Kg7 loss in 2 half-moves
20 Kg8 loss in 2 half-moves
21 Kh3 loss in 2 half-moves
22 Kh4 loss in 2 half-moves
23 Kh5 loss in 2 half-moves
24 Ra1 loss in 2 half-moves
25 Rb2 loss in 2 half-moves
26 Rb7 loss in 2 half-moves
27 Rb8 loss in 2 half-moves