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EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Rab7 draw
3 Rb8 draw
4 Rf1 draw
5 Rf3 draw
6 Rf6 draw
7 Rfb7 draw
8 Rff8 draw
9 Ra2 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Rac7 loss in 2 half-moves
15 Rad7 loss in 2 half-moves
16 Rae7 loss in 2 half-moves
17 Raf8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rfc7 loss in 2 half-moves
25 Rfd7 loss in 2 half-moves
26 Rfe7 loss in 2 half-moves
27 Rg7 loss in 2 half-moves
28 Rg8 loss in 2 half-moves
29 Rh7 loss in 2 half-moves
30 Rh8 loss in 2 half-moves