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EGTB: win in 4 half-moves

# move score
1 R2g3 win in 3 half-moves
2 R7g3 draw
3 Rb7 draw
4 Rf1 draw
5 Rf2 draw
6 Rf7 draw
7 Rg8 draw
8 Rh1 draw
9 Rh2 draw
10 Rh7 draw
11 R2g4 loss in 2 half-moves
12 R2g5 loss in 2 half-moves
13 R2g6 loss in 2 half-moves
14 R7g4 loss in 2 half-moves
15 R7g5 loss in 2 half-moves
16 R7g6 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rc2 loss in 2 half-moves
24 Rc7 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Rd2 loss in 2 half-moves
27 Rd7 loss in 2 half-moves
28 Re1 loss in 2 half-moves
29 Re2 loss in 2 half-moves
30 Re7 loss in 2 half-moves