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EGTB: win in 4 half-moves

# move score
1 Rgb2 win in 3 half-moves
2 Rgc2 win in 3 half-moves
3 Ra3 draw
4 Rad2 draw
5 Rg4 draw
6 Rg5 draw
7 Rg6 draw
8 Rgd2 draw
9 Rge2 draw
10 Rgf2 draw
11 Ka6 loss in 2 half-moves
12 Ka8 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Rab2 loss in 2 half-moves
21 Rac2 loss in 2 half-moves
22 Rae2 loss in 2 half-moves
23 Raf2 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rg8 loss in 2 half-moves
28 Rh2 loss in 2 half-moves