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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Rf1 draw
3 Rf4 draw
4 Rg2 draw
5 Rg3 draw
6 Rgh1 draw
7 Rh2 draw
8 Rh3 draw
9 Rh6 draw
10 Rhh1 draw
11 Rgg4 loss in 4 half-moves
12 Rhg4 loss in 4 half-moves
13 Ra1 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Rg5 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh5 loss in 2 half-moves
27 Rh7 loss in 2 half-moves
28 Rh8 loss in 2 half-moves