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EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Rf7 draw
3 Rg2 draw
4 Rg6 draw
5 Rg8 draw
6 Rh7 draw
7 Ne4 loss in 10 half-moves
8 Nh1 loss in 8 half-moves
9 Nh3 loss in 8 half-moves
10 Rd7 loss in 4 half-moves
11 Nd1 loss in 2 half-moves
12 Nd3 loss in 2 half-moves
13 Ng4 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg5 loss in 2 half-moves