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EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rh8 win in 3 half-moves
3 Ra1 draw
4 Rb2 draw
5 Rb3 draw
6 Rb4 draw
7 Rh2 draw
8 Rh3 draw
9 Rh4 draw
10 Rb5 loss in 2 half-moves
11 Rb6 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rbc1 loss in 2 half-moves
14 Rbd1 loss in 2 half-moves
15 Rbe1 loss in 2 half-moves
16 Rbf1 loss in 2 half-moves
17 Rbg1 loss in 2 half-moves
18 Rh5 loss in 2 half-moves
19 Rh6 loss in 2 half-moves
20 Rh7 loss in 2 half-moves
21 Rhc1 loss in 2 half-moves
22 Rhd1 loss in 2 half-moves
23 Rhe1 loss in 2 half-moves
24 Rhf1 loss in 2 half-moves
25 Rhg1 loss in 2 half-moves