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EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Rc8 win in 3 half-moves
3 Ra2 draw
4 Rc3 draw
5 Rc4 draw
6 Rc5 draw
7 Rc6 draw
8 Rf2 draw
9 Rg2 draw
10 Rh2 draw
11 Kd7 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Kf7 loss in 2 half-moves
15 Kf8 loss in 2 half-moves
16 Kg7 loss in 2 half-moves
17 Kg8 loss in 2 half-moves
18 Kh7 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rc1 loss in 2 half-moves
21 Rd2 loss in 2 half-moves
22 Re2 loss in 2 half-moves