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EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 R2h3 draw
3 R4h3 draw
4 Rf1 draw
5 Rf3 draw
6 Rf5 draw
7 Rff2 draw
8 Rh5 draw
9 Rb2 loss in 6 half-moves
10 Rfg4 loss in 4 half-moves
11 Rg2 loss in 4 half-moves
12 Rh1 loss in 4 half-moves
13 Rhf2 loss in 4 half-moves
14 Rhg4 loss in 4 half-moves
15 Ra2 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Rf6 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rh6 loss in 2 half-moves
27 Rh7 loss in 2 half-moves
28 Rh8 loss in 2 half-moves