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EGTB: win in 4 half-moves

# move score
1 Nb7 win in 3 half-moves
2 Bb1 draw
3 Bc2 draw
4 Be4 draw
5 Bf5 draw
6 Bg6 draw
7 Rb8 draw
8 Rc5 draw
9 Rc6 draw
10 Re8 draw
11 Rh8 draw
12 Bd3 loss in 2 half-moves
13 Bg8 loss in 2 half-moves
14 Nb3 loss in 2 half-moves
15 Nc4 loss in 2 half-moves
16 Nc6 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rc7 loss in 2 half-moves
23 Rd8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves