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EGTB: win in 4 half-moves

# move score
1 Rf5 win in 3 half-moves
2 K6h7 draw
3 K8g7 draw
4 K8h7 draw
5 Kg5 draw
6 Kh5 draw
7 Kh6 draw
8 Kh8 draw
9 Ra3 draw
10 Rf1 draw
11 Rf2 draw
12 Rf4 draw
13 Rg3 draw
14 Rh3 draw
15 K6f7 loss in 2 half-moves
16 K6g7 loss in 2 half-moves
17 K8f7 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Kf8 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Rf6 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rf8 loss in 2 half-moves