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EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Bf7 draw
3 Bg8 draw
4 Nb8 draw
5 Nc7 draw
6 Ra7 draw
7 Rb8 draw
8 Bb1 loss in 2 half-moves
9 Bb3 loss in 2 half-moves
10 Bc4 loss in 2 half-moves
11 Bd5 loss in 2 half-moves
12 Be6 loss in 2 half-moves
13 Nb4 loss in 2 half-moves
14 Nc5 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves