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EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Ne2 draw
3 Ra1 draw
4 Ra3 draw
5 Rbb3 draw
6 Rc1 draw
7 Rc3 draw
8 Rg2 draw
9 Rg4 draw
10 Rg8 draw
11 Rgb3 draw
12 Nh3 loss in 4 half-moves
13 Nf3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rg5 loss in 2 half-moves
26 Rg6 loss in 2 half-moves
27 Rg7 loss in 2 half-moves
28 Rh3 loss in 2 half-moves