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EGTB: win in 4 half-moves

# move score
1 Bb6 win in 3 half-moves
2 Bc3 draw
3 Bc7 draw
4 Bd2 draw
5 Bd8 draw
6 Kg1 draw
7 Kg2 draw
8 Kh2 draw
9 Ra1 draw
10 Ra3 draw
11 Rb2 draw
12 Rc2 draw
13 Bb4 loss in 2 half-moves
14 Be1 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rd2 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rh2 loss in 2 half-moves