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EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Na2 draw
3 Nc2 draw
4 Nc6 draw
5 Nd3 draw
6 Rf1 draw
7 Rf3 draw
8 Rf4 draw
9 Rg2 draw
10 Rh2 draw
11 Na6 loss in 2 half-moves
12 Nd5 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Rc2 loss in 2 half-moves
15 Rd2 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rf8 loss in 2 half-moves