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EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Ra1 draw
3 Ra3 draw
4 Rab2 draw
5 Rb1 draw
6 Rb3 draw
7 Rba4 draw
8 Rbb2 draw
9 Rg4 draw
10 Raa4 loss in 4 half-moves
11 Ra5 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rd2 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rh2 loss in 2 half-moves
28 Rh4 loss in 2 half-moves