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EGTB: win in 4 half-moves

# move score
1 Rc6 win in 3 half-moves
2 Rc8 win in 3 half-moves
3 K6c7 draw
4 K8c7 draw
5 Rc1 draw
6 Rc2 draw
7 Rc7 draw
8 Rd3 draw
9 Re3 draw
10 Rf3 draw
11 Rh3 draw
12 Ka5 loss in 2 half-moves
13 Ka6 loss in 2 half-moves
14 Ka8 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 K6a7 loss in 1 half-moves
25 K6b7 loss in 1 half-moves
26 K8a7 loss in 1 half-moves
27 K8b7 loss in 1 half-moves