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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Nf2 draw
3 Nf4 draw
4 Ra7 draw
5 Rh6 draw
6 Rh8 draw
7 Ng1 loss in 2 half-moves
8 Ng5 loss in 2 half-moves
9 Rb7 loss in 2 half-moves
10 Rc7 loss in 2 half-moves
11 Rd7 loss in 2 half-moves
12 Re7 loss in 2 half-moves
13 Rf7 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Rh5 loss in 2 half-moves