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EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rg6 win in 3 half-moves
3 Rb4 draw
4 Rg1 draw
5 Rg3 draw
6 Rg5 draw
7 Rgg4 draw
8 Rgh2 draw
9 Rh1 draw
10 Rh3 draw
11 Rh5 draw
12 Rh6 draw
13 Rhg4 draw
14 Rhh2 draw
15 Ra2 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg7 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh7 loss in 2 half-moves
28 Rh8 loss in 2 half-moves