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EGTB: win in 4 half-moves

# move score
1 Nb7 win in 3 half-moves
2 Na6 draw
3 Nac6 draw
4 Nbc6 draw
5 Ra6 draw
6 Na2 loss in 2 half-moves
7 Nb3 loss in 2 half-moves
8 Nc2 loss in 2 half-moves
9 Nc4 loss in 2 half-moves
10 Nd3 loss in 2 half-moves
11 Nd5 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Rf7 loss in 1 half-moves