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EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Be8 draw
3 Bg6 draw
4 Bg8 draw
5 Nb4 draw
6 Nc1 draw
7 Nc3 draw
8 Rc6 draw
9 Rd6 draw
10 Re5 draw
11 Re7 draw
12 Re8 draw
13 Bh5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves