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EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Ba7 draw
3 Bb6 draw
4 Bc5 draw
5 Be3 draw
6 Bf2 draw
7 Bh2 draw
8 Ra1 draw
9 Rb2 draw
10 Rb3 draw
11 Rc1 draw
12 Bd4 loss in 2 half-moves
13 Rb4 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 Rd1 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Rf1 loss in 2 half-moves