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EGTB: win in 4 half-moves

# move score
1 Rc2 win in 3 half-moves
2 Re2 win in 3 half-moves
3 Kc7 draw
4 Kc8 draw
5 Kd7 draw
6 Ra1 draw
7 Ra3 draw
8 Ra4 draw
9 Ra8 draw
10 Rb2 draw
11 Rh2 draw
12 Ke7 loss in 2 half-moves
13 Ke8 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rg2 loss in 2 half-moves