1nbq1bkr/2r1n1p1/2p2p1p/pp1pP3/N6P/P1N1B3/1PP1PPPR/R1Q1KB2 b - - 1 18
FEN state: 1nbq1bkr/2r1n1p1/2p2p1p/pp1pP3/N6P/P1N1B3/1PP1PPPR/R1Q1KB2 b - - 1 18 ; Best move: d5d4
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black bishop at f8, black king at g8 and black rook at h8. Black rook at c7, black knight at e7 and black pawn at g7. Black pawn at c6, black pawn at f6 and black pawn at h6. Black pawn at a5, black pawn at b5, black pawn at d5 and white pawn at e5. White knight at a4 and white pawn at h4. White pawn at a3, white knight at c3 and white bishop at e3. White pawn at b2, white pawn at c2, white pawn at e2, white pawn at f2, white pawn at g2 and white rook at h2. White rook at a1, white queen at c1, white king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 1. Full move number is 18. Black to move.