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EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 g1=K draw
3 g1=N draw
4 Ra2 draw
5 Ra3 draw
6 Raa1 draw
7 Rab7 draw
8 Rb2 draw
9 Rba1 draw
10 Rc7 draw
11 Rg1 draw
12 Rg7 draw
13 Rh1 draw
14 Rh7 draw
15 g1=B loss in 2 half-moves
16 g1=Q loss in 2 half-moves
17 g1=R loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rb4 loss in 2 half-moves
23 Rb5 loss in 2 half-moves
24 Rb6 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rbb7 loss in 2 half-moves
27 Rc1 loss in 2 half-moves
28 Rd1 loss in 2 half-moves
29 Rd7 loss in 2 half-moves
30 Re1 loss in 2 half-moves
31 Re7 loss in 2 half-moves
32 Rf1 loss in 2 half-moves
33 Rf7 loss in 2 half-moves