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EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Ra2 draw
3 Rb2 draw
4 Re5 draw
5 Re6 draw
6 Re7 draw
7 Re8 draw
8 Rf2 draw
9 Rh2 draw
10 K5g5 loss in 2 half-moves
11 K5g6 loss in 2 half-moves
12 K6g5 loss in 2 half-moves
13 K6g6 loss in 2 half-moves
14 Kg4 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kh4 loss in 2 half-moves
17 Kh7 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Re4 loss in 2 half-moves