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EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Bb1 draw
3 Bb3 draw
4 Bd5 draw
5 Be6 draw
6 Bf7 draw
7 Bg8 draw
8 Nc3 draw
9 Nc5 draw
10 Ra5 draw
11 Rf8 draw
12 Bc4 loss in 2 half-moves
13 Nb2 loss in 2 half-moves
14 Nb6 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rd8 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