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EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Nb4 draw
3 Nb6 draw
4 Nc3 draw
5 Ne3 draw
6 Ne7 draw
7 Nf4 draw
8 Ra3 draw
9 Rb1 draw
10 Rb2 draw
11 Rb4 draw
12 Nc7 loss in 2 half-moves
13 Nf6 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves