r1bk1b2/pp1p2pr/2n4n/q1P5/2P1pp1p/P2QPPP1/1PN1K1BP/R1B3NR w - - 6 16
FEN state: r1bk1b2/pp1p2pr/2n4n/q1P5/2P1pp1p/P2QPPP1/1PN1K1BP/R1B3NR w - - 6 16 ; Best move: d3e4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8 and black bishop at f8. Black pawn at a7, black pawn at b7, black pawn at d7, black pawn at g7 and black rook at h7. Black knight at c6 and black knight at h6. Black queen at a5 and white pawn at c5. White pawn at c4, black pawn at e4, black pawn at f4 and black pawn at h4. White pawn at a3, white queen at d3, white pawn at e3, white pawn at f3 and white pawn at g3. White pawn at b2, white knight at c2, 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 white rook at h1. Both players have exhausted their castles. Half move number is 6. Full move number is 16. White to move.