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EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Rc2 draw
3 Rg1 draw
4 Rg3 draw
5 Rh2 draw
6 g7 loss in 2 half-moves
7 Na4 loss in 2 half-moves
8 Na6 loss in 2 half-moves
9 Nb3 loss in 2 half-moves
10 Nb7 loss in 2 half-moves
11 Nd3 loss in 2 half-moves
12 Nd7 loss in 2 half-moves
13 Ne4 loss in 2 half-moves
14 Ne6 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rg4 loss in 2 half-moves