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EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Kh3 draw
3 Ra6 draw
4 Rb1 draw
5 Rb5 draw
6 Rb7 draw
7 Rb8 draw
8 Rf6 draw
9 K1g1 loss in 2 half-moves
10 K1g2 loss in 2 half-moves
11 K2g1 loss in 2 half-moves
12 K2g2 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rd6 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rg6 loss in 2 half-moves