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EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Kg8 draw
3 Kh7 draw
4 Ra2 draw
5 Ra3 draw
6 Ra4 draw
7 Raa5 draw
8 Rag1 draw
9 Rf5 draw
10 Rg2 draw
11 Rg3 draw
12 Rg4 draw
13 Rg7 draw
14 Rgg1 draw
15 Rh1 draw
16 Rh5 draw
17 Ra6 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rc5 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Rd5 loss in 2 half-moves
26 Re1 loss in 2 half-moves
27 Re5 loss in 2 half-moves
28 Rg6 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rga5 loss in 2 half-moves
31 Kg7 loss in 1 half-moves