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EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Nf5 draw
3 Nf7 draw
4 Ra1 draw
5 Ng4 loss in 2 half-moves
6 Ng8 loss in 2 half-moves
7 Rb1 loss in 2 half-moves
8 Rc1 loss in 2 half-moves
9 Rd1 loss in 2 half-moves
10 Re1 loss in 2 half-moves
11 Rf1 loss in 2 half-moves
12 Rh2 loss in 2 half-moves
13 Rh3 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Rh5 loss in 2 half-moves