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EGTB: win in 6 half-moves

# move score
1 Rb2 win in 5 half-moves
2 Rc4 draw
3 Rc5 draw
4 Rc6 draw
5 Rc7 draw
6 Rf2 draw
7 Rg2 draw
8 Rh2 draw
9 K1b1 loss in 2 half-moves
10 K1b2 loss in 2 half-moves
11 K2b1 loss in 2 half-moves
12 K2b2 loss in 2 half-moves
13 Ka3 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Re2 loss in 2 half-moves