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EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Ba2 draw
3 Bb3 draw
4 Be8 draw
5 Bg6 draw
6 Bg8 draw
7 Nb4 draw
8 Nc5 draw
9 Nc7 draw
10 Ra7 draw
11 Rd8 draw
12 Rf8 draw
13 Bc4 loss in 2 half-moves
14 Bd5 loss in 2 half-moves
15 Be6 loss in 2 half-moves
16 Bh5 loss in 2 half-moves
17 Nb8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves