r1bk2nr/ppp3p1/4p2p/2nPPp2/1b6/PP2qPPP/3PB1N1/RN1Q1K1R b - - 0 18
FEN state: r1bk2nr/ppp3p1/4p2p/2nPPp2/1b6/PP2qPPP/3PB1N1/RN1Q1K1R b - - 0 18 ; Best move: e3d4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7 and black pawn at g7. Black pawn at e6 and black pawn at h6. Black knight at c5, white pawn at d5, white pawn at e5 and black pawn at f5. Black bishop at b4. White pawn at a3, white pawn at b3, black queen at e3, white pawn at f3, white pawn at g3 and white pawn at h3. White pawn at d2, white bishop at e2 and white knight at g2. White rook at a1, white knight at b1, white queen at d1, white king at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. Black to move.