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EGTB: win in 4 half-moves

# move score
1 R7a4 win in 3 half-moves
2 R3a4 draw
3 R3a5 draw
4 R3a6 draw
5 R7a5 draw
6 R7a6 draw
7 Ra8 draw
8 Rb3 draw
9 Rb7 draw
10 Rc3 draw
11 Rc7 draw
12 Rg3 draw
13 Ra1 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh3 loss in 2 half-moves
23 Rh7 loss in 2 half-moves