r1bq1b2/ppppp1pr/4kp1n/4n1P1/7P/P1P4R/1P1PPPQ1/RNB1KBN1 b Q - 0 12
FEN state: r1bq1b2/ppppp1pr/4kp1n/4n1P1/7P/P1P4R/1P1PPPQ1/RNB1KBN1 b Q - 0 12 ; Best move: e6f7
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black bishop at f8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at d7, black pawn at e7, black pawn at g7 and black rook at h7. Black king at e6, black pawn at f6 and black knight at h6. Black knight at e5 and white pawn at g5. White pawn at h4. White pawn at a3, white pawn at c3 and white rook at h3. White pawn at b2, white pawn at d2, white pawn at e2, white pawn at f2 and white queen at g2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 12. Black to move.