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EGTB: win in 4 half-moves

# move score
1 Rd1 win in 3 half-moves
2 Ka8 draw
3 Kb6 draw
4 Kb7 draw
5 Kb8 draw
6 Ra2 draw
7 Raa1 draw
8 Rab6 draw
9 Rb2 draw
10 Rb8 draw
11 Rba1 draw
12 Rc1 draw
13 Rc6 draw
14 Rd6 draw
15 Re1 draw
16 Re6 draw
17 Ra3 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rbb6 loss in 2 half-moves
25 Rf1 loss in 2 half-moves
26 Rf6 loss in 2 half-moves
27 Rg1 loss in 2 half-moves
28 Rg6 loss in 2 half-moves
29 Rh1 loss in 2 half-moves
30 Rh6 loss in 2 half-moves