rn1qk1nr/p1bp4/1p3p2/2p1p1pp/3NP3/1bNPK2P/PBP2PP1/RQ3B1R b - - 1 18
FEN state: rn1qk1nr/p1bp4/1p3p2/2p1p1pp/3NP3/1bNPK2P/PBP2PP1/RQ3B1R b - - 1 18 ; Best move: e5d4
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at c7 and black pawn at d7. Black pawn at b6 and black pawn at f6. Black pawn at c5, black pawn at e5, black pawn at g5 and black pawn at h5. White knight at d4 and white pawn at e4. Black bishop at b3, white knight at c3, white pawn at d3, white king at e3 and white pawn at h3. White pawn at a2, white bishop at b2, white pawn at c2, white pawn at f2 and white pawn at g2. White rook at a1, white queen at b1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 18. Black to move.