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EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Rf5 draw
3 Rf6 draw
4 Rf7 draw
5 Rfc3 loss in 4 half-moves
6 R1b2 loss in 2 half-moves
7 R3b2 loss in 2 half-moves
8 Ra1 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rbc3 loss in 2 half-moves
16 Rbd3 loss in 2 half-moves
17 Rbe3 loss in 2 half-moves
18 Rbf1 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rfd3 loss in 2 half-moves
26 Rfe3 loss in 2 half-moves
27 Rff1 loss in 2 half-moves
28 Rg1 loss in 2 half-moves
29 Rh1 loss in 2 half-moves
30 Rh3 loss in 2 half-moves