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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 R4c5 draw
3 R4c6 draw
4 R4c7 draw
5 R8c5 draw
6 R8c6 draw
7 R8c7 draw
8 Ra6 draw
9 Ra7 draw
10 Raa8 draw
11 Rac5 draw
12 Rb4 draw
13 Rb5 draw
14 Rb8 draw
15 Rca4 draw
16 Rca8 draw
17 Rg4 draw
18 Raa4 loss in 4 half-moves
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rc2 loss in 2 half-moves
24 Rc3 loss in 2 half-moves
25 Rd4 loss in 2 half-moves
26 Rd5 loss in 2 half-moves
27 Rd8 loss in 2 half-moves
28 Re4 loss in 2 half-moves
29 Re5 loss in 2 half-moves
30 Re8 loss in 2 half-moves
31 Rf4 loss in 2 half-moves
32 Rf5 loss in 2 half-moves
33 Rf8 loss in 2 half-moves
34 Rg5 loss in 2 half-moves
35 Rh4 loss in 2 half-moves
36 Rh5 loss in 2 half-moves
37 Rh8 loss in 2 half-moves