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EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Ba7 draw
3 Bf2 draw
4 Bg1 draw
5 Ra8 draw
6 Rg8 draw
7 Rh8 draw
8 Ba5 loss in 2 half-moves
9 Bc5 loss in 2 half-moves
10 Bc7 loss in 2 half-moves
11 Bd4 loss in 2 half-moves
12 Bd8 loss in 2 half-moves
13 Be3 loss in 2 half-moves
14 Nb4 loss in 2 half-moves
15 Nc1 loss in 2 half-moves
16 Nc3 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves