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EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 g1=K draw
3 g1=N draw
4 g1=R draw
5 Ra2 draw
6 Ra3 draw
7 Ra8 draw
8 Raa1 draw
9 Rab4 draw
10 Rb2 draw
11 Rb3 draw
12 Rba1 draw
13 Rg1 draw
14 Rg4 draw
15 g1=B loss in 2 half-moves
16 g1=Q loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rbb4 loss in 2 half-moves
24 Rc1 loss in 2 half-moves
25 Rc4 loss in 2 half-moves
26 Rd1 loss in 2 half-moves
27 Rd4 loss in 2 half-moves
28 Re1 loss in 2 half-moves
29 Re4 loss in 2 half-moves
30 Rf1 loss in 2 half-moves
31 Rf4 loss in 2 half-moves
32 Rh1 loss in 2 half-moves
33 Rh4 loss in 2 half-moves