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EGTB: win in 4 half-moves

# move score
1 Nb7 win in 3 half-moves
2 Bf2 draw
3 Ra3 draw
4 Rb1 draw
5 Rb2 draw
6 Rb4 draw
7 Rc3 draw
8 Rg3 draw
9 Bb4 loss in 2 half-moves
10 Bc3 loss in 2 half-moves
11 Bd2 loss in 2 half-moves
12 Bg3 loss in 2 half-moves
13 Bh4 loss in 2 half-moves
14 Nc4 loss in 2 half-moves
15 Nc6 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rh3 loss in 2 half-moves