a b c d e f g h
----+---+---+---+---+---+---+----
8 | r | n | b | q | k | b | n | r |
----+---+---+---+---+---+---+----
7 | p | p | p | p | p | p | p | p |
----+---+---+---+---+---+---+----
6 | | . | | . | | . | | . |
----+---+---+---+---+---+---+----
5 | . | | . | | . | | . | |
----+---+---+---+---+---+---+----
4 | | . | | . | | . | | . |
----+---+---+---+---+---+---+----
3 | . | | . | | . | | . | |
----+---+---+---+---+---+---+----
2 | P | P | P | P | P | P | P | P |
----+---+---+---+---+---+---+----
1 | R | N | B | Q | K | B | N | R |
----+---+---+---+---+---+---+----
a b c d e f g h
fen: rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
zobrist key: 4375564139730772040
en passant position: None
right castle: 240
side to move: White
1) h2-h4 1
2) g2-g4 1
3) f2-f4 1
4) e2-e4 1
5) d2-d4 1
6) c2-c4 1
7) b2-b4 1
8) a2-a4 1
9) h2-h3 1
10) g2-g3 1
11) f2-f3 1
12) e2-e3 1
13) d2-d3 1
14) c2-c3 1
15) b2-b3 1
16) a2-a3 1
17) g1-h3 1
18) g1-f3 1
19) b1-c3 1
20) b1-a3 1
Tot 20 nodes
sbt test