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EGTB: win in 4 half-moves

# move score
1 Nb4 win in 3 half-moves
2 Ne1 draw
3 Rd8 draw
4 Re1 draw
5 Re2 draw
6 Rf8 draw
7 Rg8 draw
8 Rh8 draw
9 Na1 loss in 2 half-moves
10 Na3 loss in 2 half-moves
11 Nd4 loss in 2 half-moves
12 Ne3 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Re7 loss in 2 half-moves