rn2qr2/p1p1k2p/1p2ppp1/1NPp1n2/P1BQP3/5PPN/2PP3P/1RBK3R b - - 1 18
FEN state: rn2qr2/p1p1k2p/1p2ppp1/1NPp1n2/P1BQP3/5PPN/2PP3P/1RBK3R b - - 1 18 ; Best move: f5d4
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at e8 and black rook at f8. Black pawn at a7, black pawn at c7, black king at e7 and black pawn at h7. Black pawn at b6, black pawn at e6, black pawn at f6 and black pawn at g6. White knight at b5, white pawn at c5, black pawn at d5 and black knight at f5. White pawn at a4, white bishop at c4, white queen at d4 and white pawn at e4. White pawn at f3, white pawn at g3 and white knight at h3. White pawn at c2, white pawn at d2 and white pawn at h2. White rook at b1, white bishop at c1, white king at d1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 18. Black to move.