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EGTB: win in 4 half-moves

# move score
1 Rf2 win in 3 half-moves
2 Kg8 draw
3 Rc7 draw
4 Rd7 draw
5 Re7 draw
6 Rf1 draw
7 Rf6 draw
8 Rg7 draw
9 Rh7 draw
10 Kg7 loss in 6 half-moves
11 Ke7 loss in 2 half-moves
12 Ke8 loss in 2 half-moves
13 Na2 loss in 2 half-moves
14 Nb3 loss in 2 half-moves
15 Nd3 loss in 2 half-moves
16 Ne2 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves