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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 g4 draw
3 Nf3 draw
4 Rf8 draw
5 Rh8 draw
6 Nh7 loss in 8 half-moves
7 Nf7 loss in 6 half-moves
8 g3 loss in 4 half-moves
9 Nh3 loss in 4 half-moves
10 Ne4 loss in 2 half-moves
11 Ne6 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rg6 loss in 2 half-moves