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EGTB: win in 4 half-moves

# move score
1 Rd4 win in 3 half-moves
2 Ke2 draw
3 Ke3 draw
4 Kf2 draw
5 Kg2 draw
6 Ra4 draw
7 Ra8 draw
8 Rb1 draw
9 Rb2 draw
10 Rb3 draw
11 Rc4 draw
12 Rc8 draw
13 Rd8 draw
14 Re8 draw
15 Ke4 loss in 2 half-moves
16 Kf4 loss in 2 half-moves
17 Kg3 loss in 2 half-moves
18 Kg4 loss in 2 half-moves
19 R4b5 loss in 2 half-moves
20 R4b6 loss in 2 half-moves
21 R4b7 loss in 2 half-moves
22 R8b5 loss in 2 half-moves
23 R8b6 loss in 2 half-moves
24 R8b7 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rf8 loss in 2 half-moves
28 Rg4 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh4 loss in 2 half-moves
31 Rh8 loss in 2 half-moves