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EGTB: win in 4 half-moves

# move score
1 Nf3 win in 3 half-moves
2 Bb4 draw
3 Bc5 draw
4 Ra4 draw
5 Rb8 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Bb2 loss in 2 half-moves
10 Bc1 loss in 2 half-moves
11 Bd6 loss in 2 half-moves
12 Be7 loss in 2 half-moves
13 Bf8 loss in 2 half-moves
14 Nf1 loss in 2 half-moves
15 Ng4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves