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EGTB: win in 4 half-moves

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