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EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rg2 win in 3 half-moves
3 Ra3 draw
4 Raa2 draw
5 Rab1 draw
6 Rb3 draw
7 Rba2 draw
8 Rbb1 draw
9 Ra4 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Rd2 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Rf1 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves
28 Rh2 loss in 2 half-moves