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EGTB: win in 20 half-moves

# move score
1 Rg4 win in 19 half-moves
2 Ra6 draw
3 Rf6 draw
4 Rg2 draw
5 Rg3 draw
6 Rg5 draw
7 Rg7 draw
8 Ba1 loss in 2 half-moves
9 Bb2 loss in 2 half-moves
10 Bc3 loss in 2 half-moves
11 Bd4 loss in 2 half-moves
12 Be5 loss in 2 half-moves
13 Ne2 loss in 2 half-moves
14 Nf3 loss in 2 half-moves
15 Nh3 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh6 loss in 2 half-moves
19 Bf6 loss in 1 half-moves
20 Bg7 loss in 1 half-moves
21 Rb6 loss in 1 half-moves
22 Rc6 loss in 1 half-moves
23 Rd6 loss in 1 half-moves