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EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rg3 win in 3 half-moves
3 g1=K draw
4 g1=N draw
5 Ra2 draw
6 Raa3 draw
7 Rab1 draw
8 Rb2 draw
9 Rba3 draw
10 Rbb1 draw
11 Rg1 draw
12 g1=B loss in 2 half-moves
13 g1=Q loss in 2 half-moves
14 g1=R loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rc1 loss in 2 half-moves
25 Rc3 loss in 2 half-moves
26 Rd1 loss in 2 half-moves
27 Rd3 loss in 2 half-moves
28 Re1 loss in 2 half-moves
29 Re3 loss in 2 half-moves
30 Rf1 loss in 2 half-moves
31 Rf3 loss in 2 half-moves
32 Rh1 loss in 2 half-moves
33 Rh3 loss in 2 half-moves