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EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Ra6 draw
3 Ra7 draw
4 Raa8 draw
5 Rd3 draw
6 Re3 draw
7 Rf3 draw
8 Rg3 draw
9 Ra2 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Rab3 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rba8 loss in 2 half-moves
20 Rbb3 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Rd8 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh3 loss in 2 half-moves
28 Rh8 loss in 2 half-moves