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EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Ra2 draw
3 Ra3 draw
4 Rac1 draw
5 Rb1 draw
6 Rb4 draw
7 Rc2 draw
8 Rc3 draw
9 Rc6 draw
10 Rca4 draw
11 Rcc1 draw
12 Raa4 loss in 4 half-moves
13 Ra5 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rh1 loss in 2 half-moves
28 Rh4 loss in 2 half-moves