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EGTB: win in 4 half-moves

# move score
1 Kg2 win in 3 half-moves
2 Kg1 draw
3 Rg7 draw
4 Rh7 draw
5 Kh2 loss in 4 half-moves
6 Re7 loss in 4 half-moves
7 Rf6 loss in 4 half-moves
8 Ra7 loss in 2 half-moves
9 Rb7 loss in 2 half-moves
10 Rc7 loss in 2 half-moves
11 Rf1 loss in 2 half-moves
12 Rf2 loss in 2 half-moves
13 Rf3 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rd7 loss in 1 half-moves
17 Rf8 loss in 1 half-moves