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EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Rg8 win in 3 half-moves
3 Ra2 draw
4 Rab8 draw
5 Rb1 draw
6 Rc2 draw
7 Rc8 draw
8 Rbb8 loss in 4 half-moves
9 Bb4 loss in 2 half-moves
10 Bb6 loss in 2 half-moves
11 Bc3 loss in 2 half-moves
12 Bc7 loss in 2 half-moves
13 Bd2 loss in 2 half-moves
14 Bd8 loss in 2 half-moves
15 Be1 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rd2 loss in 2 half-moves
24 Rd8 loss in 2 half-moves
25 Re2 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf2 loss in 2 half-moves
28 Rf8 loss in 2 half-moves
29 Rh2 loss in 2 half-moves
30 Rh8 loss in 2 half-moves