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EGTB: win in 4 half-moves

# move score
1 Rd1 win in 3 half-moves
2 Re1 win in 3 half-moves
3 Ra2 draw
4 Rab1 draw
5 Rb2 draw
6 Rba7 draw
7 Rbb1 draw
8 Rc1 draw
9 Rc7 draw
10 Rd7 draw
11 Re7 draw
12 Raa7 loss in 4 half-moves
13 Ra3 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh1 loss in 2 half-moves
28 Rh7 loss in 2 half-moves