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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Nf7 draw
3 Rd7 draw
4 g3 loss in 2 half-moves
5 g4 loss in 2 half-moves
6 Ne4 loss in 2 half-moves
7 Ne6 loss in 2 half-moves
8 Nf3 loss in 2 half-moves
9 Nh3 loss in 2 half-moves
10 Nh7 loss in 2 half-moves
11 Ra7 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh7 loss in 2 half-moves