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EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Rg3 win in 3 half-moves
3 g1=K draw
4 g1=N draw
5 Rb1 draw
6 Rf1 draw
7 Rf8 draw
8 Rg1 draw
9 Rgh8 draw
10 Rh2 draw
11 Rhh8 draw
12 g1=R loss in 4 half-moves
13 g1=B loss in 2 half-moves
14 g1=Q loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rg4 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh3 loss in 2 half-moves
28 Rh4 loss in 2 half-moves
29 Rh5 loss in 2 half-moves
30 Rh6 loss in 2 half-moves
31 Rh7 loss in 2 half-moves