rnb1kbn1/1pq1P1p1/p1p1B3/3p3r/8/1P3P1p/P1PPNK1P/R1BQ2NR b q - 2 13
FEN state: rnb1kbn1/1pq1P1p1/p1p1B3/3p3r/8/1P3P1p/P1PPNK1P/R1BQ2NR b q - 2 13 ; Best move: f8e7
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at b7, black queen at c7, white pawn at e7 and black pawn at g7. Black pawn at a6, black pawn at c6 and white bishop at e6. Black pawn at d5 and black rook at h5. White pawn at b3, white pawn at f3 and black pawn at h3. White pawn at a2, white pawn at c2, white pawn at d2, white knight at e2, white king at f2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 2. Full move number is 13. Black to move.