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EGTB: win in 4 half-moves

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