r1b2k1r/p1pp3p/1pn3pn/bB2p3/N1P1N2P/1P2Pq2/P2P1P2/R1BQKR2 w - - 5 18
FEN state: r1b2k1r/p1pp3p/1pn3pn/bB2p3/N1P1N2P/1P2Pq2/P2P1P2/R1BQKR2 w - - 5 18 ; Best move: d1f3
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 a7, black pawn at c7, black pawn at d7 and black pawn at h7. Black pawn at b6, black knight at c6, black pawn at g6 and black knight at h6. Black bishop at a5, white bishop at b5 and black pawn at e5. White knight at a4, white pawn at c4, white knight at e4 and white pawn at h4. White pawn at b3, white pawn at e3 and black queen at f3. White pawn at a2, white pawn at d2 and white pawn at f2. White rook at a1, white bishop at c1, white queen at d1, white king at e1 and white rook at f1. Both players have exhausted their castles. Half move number is 5. Full move number is 18. White to move.