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EGTB: win in 4 half-moves

# move score
1 Rgd1 win in 3 half-moves
2 Rgc1 win in 7 half-moves
3 Ra2 draw
4 Rab1 draw
5 Rac1 draw
6 Rad1 draw
7 Rgb1 draw
8 Ra3 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rae1 loss in 2 half-moves
15 Raf1 loss in 2 half-moves
16 Rge1 loss in 2 half-moves
17 Rgf1 loss in 2 half-moves
18 Rh1 loss in 2 half-moves