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EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rh7 win in 3 half-moves
3 Ra1 draw
4 Ra2 draw
5 Rbb1 draw
6 Rc1 draw
7 Rc2 draw
8 Rg1 draw
9 Rg2 draw
10 Rhh2 draw
11 Rbh2 loss in 4 half-moves
12 Rhb1 loss in 4 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rh3 loss in 2 half-moves
25 Rh4 loss in 2 half-moves
26 Rh5 loss in 2 half-moves
27 Rh6 loss in 2 half-moves
28 Rh8 loss in 2 half-moves