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EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rbd2 win in 3 half-moves
3 Ra1 draw
4 Ra2 draw
5 Rbb1 draw
6 Rbc2 draw
7 Rcb1 draw
8 Rh6 draw
9 Rh8 draw
10 Rhc2 draw
11 Rhd2 draw
12 Rhh1 draw
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rbe2 loss in 2 half-moves
19 Rbf2 loss in 2 half-moves
20 Rbg2 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rc5 loss in 2 half-moves
24 Rc6 loss in 2 half-moves
25 Rc7 loss in 2 half-moves
26 Rc8 loss in 2 half-moves
27 Rcc2 loss in 2 half-moves
28 Rch1 loss in 2 half-moves
29 Rd1 loss in 2 half-moves
30 Re1 loss in 2 half-moves
31 Rf1 loss in 2 half-moves
32 Rg1 loss in 2 half-moves
33 Rh3 loss in 2 half-moves
34 Rh4 loss in 2 half-moves
35 Rh5 loss in 2 half-moves
36 Rh7 loss in 2 half-moves
37 Rhe2 loss in 2 half-moves
38 Rhf2 loss in 2 half-moves
39 Rhg2 loss in 2 half-moves