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EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Nc3 draw
3 Nf2 draw
4 Re8 draw
5 Rf8 draw
6 Rg1 draw
7 Rh8 draw
8 Nb2 loss in 2 half-moves
9 Ne3 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Rg3 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rg5 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rg7 loss in 2 half-moves