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EGTB: win in 4 half-moves

# move score
1 Nb4 win in 3 half-moves
2 Rab1 draw
3 Rad1 draw
4 Re2 draw
5 Re3 draw
6 Re7 draw
7 Re8 draw
8 Reb1 draw
9 Red1 draw
10 Rf1 draw
11 Nc1 loss in 2 half-moves
12 Nc3 loss in 2 half-moves
13 Rac1 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Rec1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves