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EGTB: win in 12 half-moves

# move score
1 Rb8 win in 11 half-moves
2 Rb1 draw
3 Rb6 draw
4 Rb7 draw
5 Rc4 draw
6 Rg4 draw
7 Rh4 draw
8 K6g7 loss in 2 half-moves
9 K6h7 loss in 2 half-moves
10 K8g7 loss in 2 half-moves
11 K8h7 loss in 2 half-moves
12 Kg5 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Kg8 loss in 2 half-moves
15 Kh5 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rf4 loss in 2 half-moves