rn1q1kr1/b1p2n1p/b1N2pp1/Q2p4/6P1/2PPPp1P/PP1B1P2/R3KB1R w KQ - 0 18
FEN state: rn1q1kr1/b1p2n1p/b1N2pp1/Q2p4/6P1/2PPPp1P/PP1B1P2/R3KB1R w KQ - 0 18 ; Best move: c6d8
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at f8 and black rook at g8. Black bishop at a7, black pawn at c7, black knight at f7 and black pawn at h7. Black bishop at a6, white knight at c6, black pawn at f6 and black pawn at g6. White queen at a5 and black pawn at d5. White pawn at g4. White pawn at c3, white pawn at d3, white pawn at e3, black pawn at f3 and white pawn at h3. White pawn at a2, white pawn at b2, white bishop at d2 and white pawn at f2. White rook at a1, 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 0. Full move number is 18. White to move.