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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Ra7 draw
3 Raf4 draw
4 Ra1 loss in 2 half-moves
5 Ra2 loss in 2 half-moves
6 Ra5 loss in 2 half-moves
7 Ra6 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Raa3 loss in 2 half-moves
10 Rab4 loss in 2 half-moves
11 Rac4 loss in 2 half-moves
12 Rad4 loss in 2 half-moves
13 Rae4 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rgb4 loss in 2 half-moves
25 Rgc4 loss in 2 half-moves
26 Rgd4 loss in 2 half-moves
27 Rge4 loss in 2 half-moves
28 Rgf4 loss in 2 half-moves
29 Rgg3 loss in 2 half-moves
30 Rgh4 loss in 2 half-moves
31 Rh1 loss in 2 half-moves
32 Rh2 loss in 2 half-moves
33 Rh5 loss in 2 half-moves
34 Rh6 loss in 2 half-moves
35 Rh7 loss in 2 half-moves
36 Rh8 loss in 2 half-moves
37 Rha3 loss in 2 half-moves
38 Rhg3 loss in 2 half-moves
39 Rhh4 loss in 2 half-moves