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EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Ra8 draw
3 Raa1 draw
4 Rab2 draw
5 Rb1 draw
6 Rc3 draw
7 Rc7 draw
8 Rc8 draw
9 Rca1 draw
10 Rcb2 draw
11 Rg1 draw
12 Ra3 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Rd2 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Rf1 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh2 loss in 2 half-moves