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EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Rf2 win in 3 half-moves
3 Ra3 draw
4 Ra4 draw
5 Ra5 draw
6 Raa2 draw
7 Rab1 draw
8 Rb3 draw
9 Rb4 draw
10 Rb5 draw
11 Rba2 draw
12 Rbb1 draw
13 Rc1 draw
14 Rc2 draw
15 Rd1 draw
16 Rd2 draw
17 Ra6 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Re1 loss in 2 half-moves
24 Re2 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rh1 loss in 2 half-moves
28 Rh2 loss in 2 half-moves