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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Ne5 draw
3 Ra8 draw
4 Rg7 draw
5 Rh8 draw
6 Nh8 loss in 10 half-moves
7 Nd8 loss in 4 half-moves
8 Nh6 loss in 4 half-moves
9 Rf8 loss in 4 half-moves
10 Nd6 loss in 2 half-moves
11 Ng5 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 Re8 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg2 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