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EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Rb2 draw
3 Rc2 draw
4 Rd2 draw
5 Re2 draw
6 Rf1 draw
7 Rf5 draw
8 Rf7 draw
9 Rf8 draw
10 K4g4 loss in 2 half-moves
11 K4g5 loss in 2 half-moves
12 K5g4 loss in 2 half-moves
13 K5g5 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kg6 loss in 2 half-moves
16 Kh3 loss in 2 half-moves
17 Kh6 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves