1rb2kr1/pp1pbpp1/1q5p/1N2p2P/1n3P2/2PP3R/PP2NKP1/R1B4Q w - - 1 18
FEN state: 1rb2kr1/pp1pbpp1/1q5p/1N2p2P/1n3P2/2PP3R/PP2NKP1/R1B4Q w - - 1 18 ; Best move: b5d4
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at f8 and black rook at g8. Black pawn at a7, black pawn at b7, black pawn at d7, black bishop at e7, black pawn at f7 and black pawn at g7. Black queen at b6 and black pawn at h6. White knight at b5, black pawn at e5 and white pawn at h5. Black knight at b4 and white pawn at f4. White pawn at c3, white pawn at d3 and white rook at h3. White pawn at a2, white pawn at b2, white knight at e2, white king at f2 and white pawn at g2. White rook at a1, white bishop at c1 and white queen at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 18. White to move.