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EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb5 draw
3 Rb6 draw
4 Rb7 draw
5 Rb8 draw
6 Bc1 loss in 2 half-moves
7 Bd2 loss in 2 half-moves
8 Bd8 loss in 2 half-moves
9 Be3 loss in 2 half-moves
10 Be7 loss in 2 half-moves
11 Bf4 loss in 2 half-moves
12 Bf6 loss in 2 half-moves
13 Bh4 loss in 2 half-moves
14 Bh6 loss in 2 half-moves
15 Nf2 loss in 2 half-moves
16 Ng3 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rd2 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rh2 loss in 2 half-moves
24 Rc2 loss in 1 half-moves
25 Rg2 loss in 1 half-moves