rnb3kr/p1pp1np1/2q5/Pp3P1p/3p4/1PNK4/1bP2PPP/R1BQ2NR w - - 4 18
FEN state: rnb3kr/p1pp1np1/2q5/Pp3P1p/3p4/1PNK4/1bP2PPP/R1BQ2NR w - - 4 18 ; Best move: c1b2
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7, black knight at f7 and black pawn at g7. Black queen at c6. White pawn at a5, black pawn at b5, white pawn at f5 and black pawn at h5. Black pawn at d4. White pawn at b3, white knight at c3 and white king at d3. Black bishop at b2, white pawn at c2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 18. White to move.