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EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Ra8 draw
3 Raa7 draw
4 Rb6 draw
5 Rb7 draw
6 Rc2 draw
7 Rc8 draw
8 Rca7 draw
9 Rcc6 draw
10 Rd6 draw
11 Rd7 draw
12 Rh6 draw
13 Rh7 draw
14 Rac6 loss in 4 half-moves
15 Ra1 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Re7 loss in 2 half-moves
25 Rf6 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rg6 loss in 2 half-moves
28 Rg7 loss in 2 half-moves