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EGTB: win in 4 half-moves

# move score
1 Rgf1 win in 3 half-moves
2 Rg6 draw
3 Rg7 draw
4 Rg8 draw
5 Rgb1 draw
6 Rgc1 draw
7 Rgd1 draw
8 Ra2 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rab1 loss in 2 half-moves
16 Rac1 loss in 2 half-moves
17 Rad1 loss in 2 half-moves
18 Rae1 loss in 2 half-moves
19 Raf1 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rg5 loss in 2 half-moves
24 Rge1 loss in 2 half-moves
25 Rh1 loss in 2 half-moves