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EGTB: win in 4 half-moves

# move score
1 Rh2 win in 3 half-moves
2 Ra8 draw
3 Re7 draw
4 Re8 draw
5 Rf2 draw
6 Rfg7 draw
7 Rg8 draw
8 Rh6 draw
9 Rhg7 draw
10 Ra7 loss in 8 half-moves
11 Rf6 loss in 6 half-moves
12 Rff8 loss in 6 half-moves
13 Rhf8 loss in 4 half-moves
14 Rb7 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rh1 loss in 2 half-moves
25 Rh3 loss in 2 half-moves
26 Rh4 loss in 2 half-moves
27 Rh5 loss in 2 half-moves