rnb5/4kppr/1qpppn1p/ppb5/1P1P1P2/4P2N/PBP2KPP/R2Q1BR1 w - - 4 16
FEN state: rnb5/4kppr/1qpppn1p/ppb5/1P1P1P2/4P2N/PBP2KPP/R2Q1BR1 w - - 4 16 ; Best move: d4c5
The current state of the chess board is: Black rook at a8, black knight at b8 and black bishop at c8. Black king at e7, black pawn at f7, black pawn at g7 and black rook at h7. Black queen at b6, black pawn at c6, black pawn at d6, black pawn at e6, black knight at f6 and black pawn at h6. Black pawn at a5, black pawn at b5 and black bishop at c5. White pawn at b4, white pawn at d4 and white pawn at f4. White pawn at e3 and white knight at h3. White pawn at a2, white bishop at b2, white pawn at c2, white king at f2, white pawn at g2 and white pawn at h2. White rook at a1, white queen at d1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 4. Full move number is 16. White to move.