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EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Ra8 draw
3 Re8 draw
4 Rg2 draw
5 Rh8 draw
6 Nh3 loss in 12 half-moves
7 Nh1 loss in 6 half-moves
8 Nd1 loss in 2 half-moves
9 Nd3 loss in 2 half-moves
10 Ne4 loss in 2 half-moves
11 Ng4 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rg7 loss in 2 half-moves