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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Rgb1 win in 3 half-moves
3 Rg4 draw
4 Rg5 draw
5 Rg6 draw
6 Rgd1 draw
7 Rge1 draw
8 Rgf1 draw
9 Nb1 loss in 2 half-moves
10 Nb5 loss in 2 half-moves
11 Nc2 loss in 2 half-moves
12 Nc4 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Rab1 loss in 2 half-moves
15 Rac1 loss in 2 half-moves
16 Rad1 loss in 2 half-moves
17 Rae1 loss in 2 half-moves
18 Raf1 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rgc1 loss in 2 half-moves
23 Rh1 loss in 2 half-moves