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EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 g1=B draw
3 g1=K draw
4 g1=N draw
5 Ra3 draw
6 Ra4 draw
7 Ra5 draw
8 Raa2 draw
9 Rab1 draw
10 Rb3 draw
11 Rb4 draw
12 Rba2 draw
13 Rbb1 draw
14 Rg1 draw
15 g1=Q loss in 2 half-moves
16 g1=R 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 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rc2 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Rd2 loss in 2 half-moves
27 Re1 loss in 2 half-moves
28 Re2 loss in 2 half-moves
29 Rf1 loss in 2 half-moves
30 Rf2 loss in 2 half-moves
31 Rh1 loss in 2 half-moves