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EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Rg1 win in 9 half-moves
3 Ra7 draw
4 Rc7 draw
5 Rd7 draw
6 Re7 draw
7 Rg3 draw
8 Rg4 draw
9 Rg5 draw
10 Kc4 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Kg1 loss in 2 half-moves
19 Kg2 loss in 2 half-moves
20 Kg3 loss in 2 half-moves
21 Kh1 loss in 2 half-moves
22 Kh3 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh7 loss in 2 half-moves