r1bq1bnr/2p1k3/n3pp2/pp4pp/1Pp1PPP1/2N5/P2P3P/RNBQKB1R b KQ - 1 12
FEN state: r1bq1bnr/2p1k3/n3pp2/pp4pp/1Pp1PPP1/2N5/P2P3P/RNBQKB1R b KQ - 1 12 ; Best move: a5b4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at c7 and black king at e7. Black knight at a6, black pawn at e6 and black pawn at f6. Black pawn at a5, black pawn at b5, black pawn at g5 and black pawn at h5. White pawn at b4, black pawn at c4, white pawn at e4, white pawn at f4 and white pawn at g4. White knight at c3. White pawn at a2, white pawn at d2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 1. Full move number is 12. Black to move.