r1b1qBn1/p1p1pkr1/3p2n1/1B5p/PP2PppP/N2P1P2/2P1NKP1/R4Q1R b - - 4 18
FEN state: r1b1qBn1/p1p1pkr1/3p2n1/1B5p/PP2PppP/N2P1P2/2P1NKP1/R4Q1R b - - 4 18 ; Best move: e8f8
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at e8, white bishop at f8 and black knight at g8. Black pawn at a7, black pawn at c7, black pawn at e7, black king at f7 and black rook at g7. Black pawn at d6 and black knight at g6. White bishop at b5 and black pawn at h5. White pawn at a4, white pawn at b4, white pawn at e4, black pawn at f4, black pawn at g4 and white pawn at h4. White knight at a3, white pawn at d3 and white pawn at f3. White pawn at c2, white knight at e2, white king at f2 and white pawn at g2. White rook at a1, white queen at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 18. Black to move.