r1b1kb1r/pp1p4/n4p2/2p1pnpp/2P1NP2/4P3/PP1K2PP/1RBQ1BR1 b kq - 0 12
FEN state: r1b1kb1r/pp1p4/n4p2/2p1pnpp/2P1NP2/4P3/PP1K2PP/1RBQ1BR1 b kq - 0 12 ; Best move: e5f4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7 and black pawn at d7. Black knight at a6 and black pawn at f6. Black pawn at c5, black pawn at e5, black knight at f5, black pawn at g5 and black pawn at h5. White pawn at c4, white knight at e4 and white pawn at f4. White pawn at e3. White pawn at a2, white pawn at b2, white king at d2, white pawn at g2 and white pawn at h2. White rook at b1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at g1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 12. Black to move.