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EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rb2 draw
3 Rb3 draw
4 Rb4 draw
5 Rbb1 draw
6 Rd5 draw
7 Re5 draw
8 Rf5 draw
9 Ra1 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Rb6 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rbh5 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Rh3 loss in 2 half-moves
23 Rh4 loss in 2 half-moves
24 Rh6 loss in 2 half-moves
25 Rh7 loss in 2 half-moves
26 Rh8 loss in 2 half-moves
27 Rhb1 loss in 2 half-moves
28 Rhh5 loss in 2 half-moves