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EGTB: win in 4 half-moves

# move score
1 Rh4 win in 3 half-moves
2 Rc6 draw
3 Rd6 draw
4 Re6 draw
5 Rf6 draw
6 Rh1 draw
7 Rh2 draw
8 Rh8 draw
9 Rhh3 draw
10 g1=B loss in 2 half-moves
11 g1=K loss in 2 half-moves
12 g1=N loss in 2 half-moves
13 g1=Q loss in 2 half-moves
14 g1=R loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rg4 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rg7 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rgg6 loss in 2 half-moves
28 Rgh3 loss in 2 half-moves
29 Rh5 loss in 2 half-moves
30 Rh7 loss in 2 half-moves
31 Rhg6 loss in 2 half-moves