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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rgg2 draw
5 Kf1 loss in 2 half-moves
6 Kf2 loss in 2 half-moves
7 Kg2 loss in 2 half-moves
8 Kh1 loss in 2 half-moves
9 Kh2 loss in 2 half-moves
10 Ra2 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rc2 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd2 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Ree8 loss in 2 half-moves
23 Reg2 loss in 2 half-moves
24 Rf2 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rg5 loss in 2 half-moves
28 Rg6 loss in 2 half-moves
29 Rg7 loss in 2 half-moves
30 Rge8 loss in 2 half-moves
31 Rh2 loss in 2 half-moves
32 Rh8 loss in 2 half-moves