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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Bd8 draw
3 Be7 draw
4 Bg5 draw
5 Bh4 draw
6 Ra7 loss in 2 half-moves
7 Rb7 loss in 2 half-moves
8 Rc7 loss in 2 half-moves
9 Rd7 loss in 2 half-moves
10 Re7 loss in 2 half-moves
11 Rf8 loss in 2 half-moves
12 Rh7 loss in 2 half-moves
13 Bg7 loss in 1 half-moves
14 Bh8 loss in 1 half-moves
15 Nc4 loss in 1 half-moves
16 Nc6 loss in 1 half-moves
17 Nd3 loss in 1 half-moves
18 Nd7 loss in 1 half-moves
19 Nf3 loss in 1 half-moves
20 Ng4 loss in 1 half-moves
21 Ng6 loss in 1 half-moves