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EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 R6a7 draw
3 R8a7 draw
4 Ra5 draw
5 Rab8 draw
6 Rac8 draw
7 Rad8 draw
8 Rae6 draw
9 Rb6 draw
10 Rc6 draw
11 Rd6 draw
12 Re3 draw
13 Re5 draw
14 Re7 draw
15 Reb8 draw
16 Rec8 draw
17 Red8 draw
18 Ree6 draw
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Rf6 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg6 loss in 2 half-moves
28 Rg8 loss in 2 half-moves
29 Rh6 loss in 2 half-moves
30 Rh8 loss in 2 half-moves