r1bqkn1r/1p2bNp1/2p1pn2/p2p3p/PP1P1B1P/2N5/1RP1PPP1/3QKBR1 b q - 0 12
FEN state: r1bqkn1r/1p2bNp1/2p1pn2/p2p3p/PP1P1B1P/2N5/1RP1PPP1/3QKBR1 b q - 0 12 ; Best move: e8f7
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black knight at f8 and black rook at h8. Black pawn at b7, black bishop at e7, white knight at f7 and black pawn at g7. Black pawn at c6, black pawn at e6 and black knight at f6. Black pawn at a5, black pawn at d5 and black pawn at h5. White pawn at a4, white pawn at b4, white pawn at d4, white bishop at f4 and white pawn at h4. White knight at c3. White rook at b2, white pawn at c2, white pawn at e2, white pawn at f2 and white pawn at g2. White queen at d1, white king at e1, white bishop at f1 and white rook at g1. Black queenside is the only castle move available. Half move number is 0. Full move number is 12. Black to move.