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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 Ra8 draw
7 Rab1 draw
8 Rb2 draw
9 Rb8 draw
10 Rba7 draw
11 Rbb1 draw
12 Rc1 draw
13 Rc7 draw
14 Rg1 draw
15 Rg7 draw
16 g1=B loss in 2 half-moves
17 g1=Q loss in 2 half-moves
18 g1=R loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Raa7 loss in 2 half-moves
23 Rb4 loss in 2 half-moves
24 Rb5 loss in 2 half-moves
25 Rb6 loss in 2 half-moves
26 Rd1 loss in 2 half-moves
27 Rd7 loss in 2 half-moves
28 Re1 loss in 2 half-moves
29 Re7 loss in 2 half-moves
30 Rf1 loss in 2 half-moves
31 Rf7 loss in 2 half-moves
32 Rh1 loss in 2 half-moves
33 Rh7 loss in 2 half-moves