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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Rg5 win in 3 half-moves
3 K2a3 draw
4 K2b3 draw
5 K4a3 draw
6 K4b3 draw
7 Ka1 draw
8 Ka2 draw
9 Ka4 draw
10 Ka5 draw
11 Kb1 draw
12 Kb5 draw
13 Kc5 draw
14 Ra8 draw
15 Rb8 draw
16 Rg6 draw
17 Rg7 draw
18 Rh8 draw
19 K2c3 loss in 2 half-moves
20 K4c3 loss in 2 half-moves
21 Kc1 loss in 2 half-moves
22 Kc2 loss in 2 half-moves
23 Kc4 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rd8 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves
28 Rg1 loss in 2 half-moves
29 Rg2 loss in 2 half-moves
30 Rg3 loss in 2 half-moves