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EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Bb3 draw
3 Be2 draw
4 Bf3 draw
5 Bh5 draw
6 Nb2 draw
7 Nc5 draw
8 Rf8 draw
9 Bc2 loss in 2 half-moves
10 Bg4 loss in 2 half-moves
11 Nb6 loss in 2 half-moves
12 Nc3 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves