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EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Nc3 draw
3 Ra7 draw
4 Rh1 draw
5 Rh8 draw
6 Nb4 loss in 2 half-moves
7 Nc1 loss in 2 half-moves
8 Rc7 loss in 2 half-moves
9 Rd7 loss in 2 half-moves
10 Re7 loss in 2 half-moves
11 Rf7 loss in 2 half-moves
12 Rg7 loss in 2 half-moves
13 Rh2 loss in 2 half-moves
14 Rh3 loss in 2 half-moves
15 Rh4 loss in 2 half-moves
16 Rh5 loss in 2 half-moves
17 Rh6 loss in 2 half-moves