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EGTB: win in 4 half-moves

# move score
1 Rc4 win in 3 half-moves
2 Rd4 draw
3 Re4 draw
4 Rf1 draw
5 Rf2 draw
6 Rf3 draw
7 Rf5 draw
8 Rg4 draw
9 Ne4 loss in 2 half-moves
10 Ne6 loss in 2 half-moves
11 Nf3 loss in 2 half-moves
12 Nh3 loss in 2 half-moves
13 Nh7 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Nf7 loss in 1 half-moves
20 Rf7 loss in 1 half-moves