r1bq2n1/p1pk4/1p3Npr/4p2p/1b1n1P2/1P2P1KP/P1PP2P1/1RB1QBNR b - - 0 13
FEN state: r1bq2n1/p1pk4/1p3Npr/4p2p/1b1n1P2/1P2P1KP/P1PP2P1/1RB1QBNR b - - 0 13 ; Best move: d8f6
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black knight at g8. Black pawn at a7, black pawn at c7 and black king at d7. Black pawn at b6, white knight at f6, black pawn at g6 and black rook at h6. Black pawn at e5 and black pawn at h5. Black bishop at b4, black knight at d4 and white pawn at f4. White pawn at b3, white pawn at e3, white king at g3 and white pawn at h3. White pawn at a2, white pawn at c2, white pawn at d2 and white pawn at g2. White rook at b1, white bishop at c1, white queen at e1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 13. Black to move.