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EGTB: win in 18 half-moves

# move score
1 Rb8 win in 17 half-moves
2 Rb6 draw
3 Rb7 draw
4 Rf5 draw
5 Rh5 draw
6 Na3 loss in 2 half-moves
7 Nc3 loss in 2 half-moves
8 Nd2 loss in 2 half-moves
9 Ra5 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rc5 loss in 2 half-moves
14 Rd5 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Rg5 loss in 2 half-moves