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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 Ra3 draw
5 Rb2 draw
6 Rbb1 draw
7 Rc1 draw
8 Rc3 draw
9 Rg1 draw
10 Rg3 draw
11 Rh2 draw
12 Rhh3 draw
13 Rbh3 loss in 4 half-moves
14 Rhb1 loss in 4 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rf3 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