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EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Ne4 draw
3 Ne8 draw
4 Nh7 draw
5 Rd8 draw
6 Re8 draw
7 Rf8 draw
8 Rg2 draw
9 Rg4 draw
10 Rg6 draw
11 Rh8 draw
12 Ng4 loss in 4 half-moves
13 Nh5 loss in 4 half-moves
14 Nd5 loss in 2 half-moves
15 Nd7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rg7 loss in 2 half-moves