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EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Na1 draw
3 Na3 draw
4 Nb4 draw
5 Rb1 draw
6 Rb3 draw
7 Rb4 draw
8 Rb5 draw
9 Nd4 loss in 2 half-moves
10 Ne1 loss in 2 half-moves
11 Ne3 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Rb7 loss in 1 half-moves
14 Rb8 loss in 1 half-moves