r1b2bnr/p2q3p/1p2k3/1Bpp1ppN/PP3P2/2N1p2P/2P1Q1P1/R1B1K1R1 w Q - 1 18
FEN state: r1b2bnr/p2q3p/1p2k3/1Bpp1ppN/PP3P2/2N1p2P/2P1Q1P1/R1B1K1R1 w Q - 1 18 ; Best move: c1e3
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black queen at d7 and black pawn at h7. Black pawn at b6 and black king at e6. White bishop at b5, black pawn at c5, black pawn at d5, black pawn at f5, black pawn at g5 and white knight at h5. White pawn at a4, white pawn at b4 and white pawn at f4. White knight at c3, black pawn at e3 and white pawn at h3. White pawn at c2, white queen at e2 and white pawn at g2. White rook at a1, white bishop at c1, white king at e1 and white rook at g1. White queenside is the only castle move available. Half move number is 1. Full move number is 18. White to move.