r3kbnr/pb1qp1p1/2pp3p/1p6/P1Q2p2/N1P1P1P1/1P1PK1BP/R1B3Nn w kq - 0 18
FEN state: r3kbnr/pb1qp1p1/2pp3p/1p6/P1Q2p2/N1P1P1P1/1P1PK1BP/R1B3Nn w kq - 0 18 ; Best move: c4d3
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at b7, black queen at d7, black pawn at e7 and black pawn at g7. Black pawn at c6, black pawn at d6 and black pawn at h6. Black pawn at b5. White pawn at a4, white queen at c4 and black pawn at f4. White knight at a3, white pawn at c3, white pawn at e3 and white pawn at g3. White pawn at b2, white pawn at d2, white king at e2, white bishop at g2 and white pawn at h2. White rook at a1, white bishop at c1, white knight at g1 and black knight at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 18. White to move.