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EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Ne4 draw
3 Rg6 draw
4 Rh7 draw
5 Rh8 draw
6 Nh3 loss in 6 half-moves
7 Nh7 loss in 6 half-moves
8 Nf7 loss in 4 half-moves
9 Rh5 loss in 4 half-moves
10 Ne6 loss in 2 half-moves
11 Nf3 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rc6 loss in 2 half-moves
15 Rd6 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rh2 loss in 2 half-moves
19 Rh3 loss in 2 half-moves
20 Rh4 loss in 2 half-moves