r1b2k1r/3p2p1/1pp4n/p3pp1p/PnB1P2P/1PP2PKN/2NPQ1P1/q5R1 w - - 0 18
FEN state: r1b2k1r/3p2p1/1pp4n/p3pp1p/PnB1P2P/1PP2PKN/2NPQ1P1/q5R1 w - - 0 18 ; Best move: c2a1
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at f8 and black rook at h8. Black pawn at d7 and black pawn at g7. Black pawn at b6, black pawn at c6 and black knight at h6. Black pawn at a5, black pawn at e5, black pawn at f5 and black pawn at h5. White pawn at a4, black knight at b4, white bishop at c4, white pawn at e4 and white pawn at h4. White pawn at b3, white pawn at c3, white pawn at f3, white king at g3 and white knight at h3. White knight at c2, white pawn at d2, white queen at e2 and white pawn at g2. Black queen at a1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. White to move.