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EGTB: win in 4 half-moves

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