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EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Ra3 draw
3 Ra5 draw
4 Rb1 draw
5 Rb2 draw
6 Rc3 draw
7 Rc5 draw
8 Rh1 draw
9 Rh2 draw
10 Rh4 draw
11 Rh6 draw
12 Rhb5 draw
13 Rhh3 draw
14 Rbb5 loss in 4 half-moves
15 Rbh3 loss in 4 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Rd5 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rf5 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rh7 loss in 2 half-moves
28 Rh8 loss in 2 half-moves