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EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 g1=K draw
3 g1=N draw
4 Ra5 draw
5 Rb5 draw
6 Rc1 draw
7 Rc5 draw
8 Rd5 draw
9 Rf5 draw
10 Rg1 draw
11 Rg3 draw
12 Rg4 draw
13 Rg6 draw
14 Rg7 draw
15 Rgh5 draw
16 Rh2 draw
17 Rh3 draw
18 Rh6 draw
19 g1=R loss in 4 half-moves
20 Rhh5 loss in 4 half-moves
21 g1=B loss in 2 half-moves
22 g1=Q loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Re1 loss in 2 half-moves
26 Re5 loss in 2 half-moves
27 Rf1 loss in 2 half-moves
28 Rg8 loss in 2 half-moves
29 Rh4 loss in 2 half-moves
30 Rh7 loss in 2 half-moves
31 Rh8 loss in 2 half-moves