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EGTB: win in 4 half-moves

# move score
1 Rc2 win in 3 half-moves
2 Rd2 draw
3 Rg3 draw
4 Rg4 draw
5 Rg5 draw
6 Rg8 draw
7 Rh2 draw
8 Ka3 loss in 2 half-moves
9 Kaa2 loss in 2 half-moves
10 Kab1 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kba2 loss in 2 half-moves
13 Kbb1 loss in 2 half-moves
14 Kc1 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves