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EGTB: win in 4 half-moves

# move score
1 Nb3 win in 3 half-moves
2 Ba6 draw
3 Bf1 draw
4 Ra1 draw
5 Ra5 draw
6 Ra7 draw
7 Rg8 draw
8 Rh8 draw
9 Bb1 loss in 2 half-moves
10 Bb5 loss in 2 half-moves
11 Bc2 loss in 2 half-moves
12 Bc4 loss in 2 half-moves
13 Be2 loss in 2 half-moves
14 Be4 loss in 2 half-moves
15 Bf5 loss in 2 half-moves
16 Bg6 loss in 2 half-moves
17 Bh7 loss in 2 half-moves
18 Na2 loss in 2 half-moves
19 Ne2 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rc8 loss in 2 half-moves
26 Rd8 loss in 2 half-moves
27 Re8 loss in 2 half-moves
28 Rf8 loss in 2 half-moves