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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Rh4 win in 3 half-moves
3 Rb2 draw
4 Rb5 draw
5 Rb6 draw
6 Rb7 draw
7 Rc4 draw
8 Rd4 draw
9 Re4 draw
10 Rf4 draw
11 K6g6 loss in 2 half-moves
12 K6g7 loss in 2 half-moves
13 K7g6 loss in 2 half-moves
14 K7g7 loss in 2 half-moves
15 Kg5 loss in 2 half-moves
16 Kg8 loss in 2 half-moves
17 Kh5 loss in 2 half-moves
18 Kh8 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rb8 loss in 2 half-moves