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EGTB: win in 12 half-moves

# move score
1 Ra3 win in 11 half-moves
2 Rb3 draw
3 Rc3 draw
4 Rd3 draw
5 Re4 draw
6 Re7 draw
7 Re8 draw
8 Rh3 draw
9 Kaa7 loss in 2 half-moves
10 Kab7 loss in 2 half-moves
11 Kba7 loss in 2 half-moves
12 Kbb7 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kc8 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rg3 loss in 2 half-moves