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EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Ka4 draw
3 Ka7 draw
4 Kaa5 draw
5 Kb4 draw
6 Kba5 draw
7 Kc4 draw
8 Kc5 draw
9 Ra1 draw
10 Rb2 draw
11 Rb3 draw
12 Rf1 draw
13 Kab6 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kbb6 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves