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EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rd1 win in 7 half-moves
3 Bb6 draw
4 Bb8 draw
5 Bd4 draw
6 Be3 draw
7 Bf2 draw
8 Bg1 draw
9 Ra1 draw
10 Rb2 draw
11 Rb3 draw
12 Rc1 draw
13 Rh1 draw
14 Bc5 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves