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EGTB: win in 20 half-moves

# move score
1 Rb7 win in 19 half-moves
2 Rb4 draw
3 Rb8 draw
4 Rg3 draw
5 Bc3 loss in 4 half-moves
6 Rb1 loss in 4 half-moves
7 Ba1 loss in 2 half-moves
8 Ba7 loss in 2 half-moves
9 Bb2 loss in 2 half-moves
10 Bb6 loss in 2 half-moves
11 Bc5 loss in 2 half-moves
12 Be3 loss in 2 half-moves
13 Be5 loss in 2 half-moves
14 Bf2 loss in 2 half-moves
15 Bf6 loss in 2 half-moves
16 Bg1 loss in 2 half-moves
17 Bg7 loss in 2 half-moves
18 Bh8 loss in 2 half-moves
19 Nc7 loss in 2 half-moves
20 Nd6 loss in 2 half-moves
21 Nf6 loss in 2 half-moves
22 Ng7 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Rb5 loss in 2 half-moves
26 Rb6 loss in 2 half-moves
27 Rc3 loss in 2 half-moves
28 Re3 loss in 2 half-moves
29 Rd3 loss in 1 half-moves
30 Rf3 loss in 1 half-moves
31 Rh3 loss in 1 half-moves