r1b1kbn1/1p1n4/p2pp1pr/2p2pBp/5N2/PqPP2P1/R2QPP1P/1N2KB1R b Kq - 3 12
FEN state: r1b1kbn1/1p1n4/p2pp1pr/2p2pBp/5N2/PqPP2P1/R2QPP1P/1N2KB1R b Kq - 3 12 ; Best move: b3b1
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 knight at g8. Black pawn at b7 and black knight at d7. Black pawn at a6, black pawn at d6, black pawn at e6, black pawn at g6 and black rook at h6. Black pawn at c5, black pawn at f5, white bishop at g5 and black pawn at h5. White knight at f4. White pawn at a3, black queen at b3, white pawn at c3, white pawn at d3 and white pawn at g3. White rook at a2, white queen at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White knight at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 3. Full move number is 12. Black to move.