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EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 f8=K draw
3 f8=N draw
4 Ra5 draw
5 Rb5 draw
6 Rc3 draw
7 Rc4 draw
8 Rc6 draw
9 Rc7 draw
10 Rd5 draw
11 Re5 draw
12 f8=B loss in 2 half-moves
13 f8=Q loss in 2 half-moves
14 f8=R loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rh5 loss in 2 half-moves