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EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 g8=B draw
3 g8=K draw
4 Ra2 draw
5 Rb6 draw
6 Rb7 draw
7 g8=N loss in 4 half-moves
8 g8=Q loss in 2 half-moves
9 g8=R loss in 2 half-moves
10 Na1 loss in 2 half-moves
11 Na3 loss in 2 half-moves
12 Nb4 loss in 2 half-moves
13 Nd4 loss in 2 half-moves
14 Ne1 loss in 2 half-moves
15 Ne3 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves