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EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Nf1 draw
3 Nf3 draw
4 Rd8 draw
5 Re8 draw
6 Rf8 draw
7 Rg1 draw
8 Rg2 draw
9 Rg7 draw
10 Rh8 draw
11 Nb1 loss in 2 half-moves
12 Nb3 loss in 2 half-moves
13 Nc4 loss in 2 half-moves
14 Ne4 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rg6 loss in 2 half-moves