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EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Ra1 draw
3 Ra3 draw
4 Raa7 draw
5 Raf8 draw
6 Re7 draw
7 Re8 draw
8 Rff8 draw
9 Rg7 draw
10 Rg8 draw
11 Rh7 draw
12 Rh8 draw
13 Ra2 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rf5 loss in 2 half-moves
27 Rf6 loss in 2 half-moves
28 Rfa7 loss in 2 half-moves