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EGTB: win in 4 half-moves

# move score
1 Rag2 win in 3 half-moves
2 Ra6 draw
3 Rc1 draw
4 Rd1 draw
5 Re1 draw
6 Re2 draw
7 Rf1 draw
8 Rf2 draw
9 Rg3 draw
10 Rg4 draw
11 Rg5 draw
12 Kb1 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rc2 loss in 2 half-moves
22 Rd2 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rgg2 loss in 2 half-moves
27 Rh1 loss in 2 half-moves
28 Rh2 loss in 2 half-moves