r1b1kb1r/p3pp2/n1p2npp/1p1p4/qPP2P2/2NP4/P3PKPP/R1B2BNR w kq - 0 10
FEN state: r1b1kb1r/p3pp2/n1p2npp/1p1p4/qPP2P2/2NP4/P3PKPP/R1B2BNR w kq - 0 10 ; Best move: c3a4
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 e7 and black pawn at f7. Black knight at a6, black pawn at c6, black knight at f6, black pawn at g6 and black pawn at h6. Black pawn at b5 and black pawn at d5. Black queen at a4, white pawn at b4, white pawn at c4 and white pawn at f4. White knight at c3 and white pawn at d3. White pawn at a2, white pawn at e2, white king at f2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 10. White to move.