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EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Bg7 draw
3 Rc7 draw
4 Ba1 loss in 2 half-moves
5 Ba3 loss in 2 half-moves
6 Bc1 loss in 2 half-moves
7 Bc3 loss in 2 half-moves
8 Bd4 loss in 2 half-moves
9 Be5 loss in 2 half-moves
10 Bh8 loss in 2 half-moves
11 Nb6 loss in 2 half-moves
12 Nb8 loss in 2 half-moves
13 Nc5 loss in 2 half-moves
14 Ne5 loss in 2 half-moves
15 Nf8 loss in 2 half-moves
16 Ra7 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
20 Rb8 loss in 2 half-moves
21 Bf6 loss in 1 half-moves
22 Nf6 loss in 1 half-moves