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EGTB: win in 4 half-moves

# move score
1 Rh3 win in 3 half-moves
2 Rhc8 win in 3 half-moves
3 g1=K draw
4 g1=N draw
5 Ra1 draw
6 Ra2 draw
7 Ra3 draw
8 Ra7 draw
9 Rac8 draw
10 Rh1 draw
11 Rh2 draw
12 Rh7 draw
13 g1=B loss in 2 half-moves
14 g1=Q loss in 2 half-moves
15 g1=R loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Rab8 loss in 2 half-moves
20 Rad8 loss in 2 half-moves
21 Rae8 loss in 2 half-moves
22 Raf8 loss in 2 half-moves
23 Rag8 loss in 2 half-moves
24 Rh4 loss in 2 half-moves
25 Rh5 loss in 2 half-moves
26 Rh6 loss in 2 half-moves
27 Rhb8 loss in 2 half-moves
28 Rhd8 loss in 2 half-moves
29 Rhe8 loss in 2 half-moves
30 Rhf8 loss in 2 half-moves
31 Rhg8 loss in 2 half-moves