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EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Rb2 draw
3 Rb4 draw
4 Rb5 draw
5 Rb6 draw
6 Rbb1 draw
7 Rbg3 draw
8 Rf1 draw
9 Rf3 draw
10 Rg2 draw
11 Rg4 draw
12 Rgg3 draw
13 Rh1 draw
14 Rh3 draw
15 Ra1 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Rd3 loss in 2 half-moves
23 Re1 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rg8 loss in 2 half-moves
28 Rgb1 loss in 2 half-moves