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EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Rh8 win in 3 half-moves
3 Rc1 draw
4 Rc2 draw
5 Rc3 draw
6 Rd8 draw
7 Re8 draw
8 Rg8 draw
9 Ke1 loss in 2 half-moves
10 Ke2 loss in 2 half-moves
11 Kf2 loss in 2 half-moves
12 Kh2 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Kfg1 loss in 1 half-moves
20 Kfg2 loss in 1 half-moves
21 Khg1 loss in 1 half-moves
22 Khg2 loss in 1 half-moves