r1b1kbn1/pp1pp2r/6p1/2p1qp1p/1nPPPP2/N2B1Q2/PP1B2PP/R3K2R b q - 1 12
FEN state: r1b1kbn1/pp1pp2r/6p1/2p1qp1p/1nPPPP2/N2B1Q2/PP1B2PP/R3K2R b q - 1 12 ; Best move: b4d3
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 a7, black pawn at b7, black pawn at d7, black pawn at e7 and black rook at h7. Black pawn at g6. Black pawn at c5, black queen at e5, black pawn at f5 and black pawn at h5. Black knight at b4, white pawn at c4, white pawn at d4, white pawn at e4 and white pawn at f4. White knight at a3, white bishop at d3 and white queen at f3. White pawn at a2, white pawn at b2, white bishop at d2, white pawn at g2 and white pawn at h2. White rook at a1, white king at e1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 12. Black to move.