1nb1k1nr/2qp1p1p/rp2p3/p1p3p1/3PP3/N1P1Q3/P1B2PPP/1R2K1NR b - - 7 18
FEN state: 1nb1k1nr/2qp1p1p/rp2p3/p1p3p1/3PP3/N1P1Q3/P1B2PPP/1R2K1NR b - - 7 18 ; Best move: c5d4
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black queen at c7, black pawn at d7, black pawn at f7 and black pawn at h7. Black rook at a6, black pawn at b6 and black pawn at e6. Black pawn at a5, black pawn at c5 and black pawn at g5. White pawn at d4 and white pawn at e4. White knight at a3, white pawn at c3 and white queen at e3. White pawn at a2, white bishop at c2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at b1, white king at e1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 7. Full move number is 18. Black to move.