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EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rc1 win in 3 half-moves
3 Bb8 draw
4 Bc7 draw
5 Be1 draw
6 Bf4 draw
7 Bh2 draw
8 Bh4 draw
9 Ra1 draw
10 Rh1 draw
11 Bd6 loss in 2 half-moves
12 Be5 loss in 2 half-moves
13 Bf2 loss in 2 half-moves
14 Nb4 loss in 2 half-moves
15 Nb8 loss in 2 half-moves
16 Nc5 loss in 2 half-moves
17 Nc7 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg2 loss in 2 half-moves