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EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 R1b2 draw
3 R3b2 draw
4 Ra2 draw
5 Ra4 draw
6 Ra8 draw
7 Rb4 draw
8 Rb8 draw
9 Raa1 loss in 6 half-moves
10 Rba1 loss in 4 half-moves
11 Rc1 loss in 4 half-moves
12 Rc3 loss in 4 half-moves
13 Ra5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh3 loss in 2 half-moves