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EGTB: win in 4 half-moves

# move score
1 Nb4 win in 3 half-moves
2 Nc3 win in 5 half-moves
3 Rc4 draw
4 Re1 draw
5 d8=K loss in 4 half-moves
6 Ra1 loss in 4 half-moves
7 Rc2 loss in 4 half-moves
8 d8=B loss in 2 half-moves
9 d8=N loss in 2 half-moves
10 d8=Q loss in 2 half-moves
11 d8=R loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rc7 loss in 1 half-moves