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EGTB: win in 4 half-moves

# move score
1 R1b2 win in 3 half-moves
2 R1b6 draw
3 R1b7 draw
4 R8b2 draw
5 R8b7 draw
6 Ra1 draw
7 Ra8 draw
8 Nc2 loss in 2 half-moves
9 Nd3 loss in 2 half-moves
10 Nf3 loss in 2 half-moves
11 Ng2 loss in 2 half-moves
12 R1b3 loss in 2 half-moves
13 R1b4 loss in 2 half-moves
14 R1b5 loss in 2 half-moves
15 R8b3 loss in 2 half-moves
16 R8b4 loss in 2 half-moves
17 R8b5 loss in 2 half-moves
18 R8b6 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh8 loss in 2 half-moves