rnb2k1r/2Np1p2/pp3n1p/6N1/3pqP1P/bP3BP1/P1P2K2/R1B2QR1 b - - 0 18
FEN state: rnb2k1r/2Np1p2/pp3n1p/6N1/3pqP1P/bP3BP1/P1P2K2/R1B2QR1 b - - 0 18 ; Best move: e4c2
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at f8 and black rook at h8. White knight at c7, black pawn at d7 and black pawn at f7. Black pawn at a6, black pawn at b6, black knight at f6 and black pawn at h6. White knight at g5. Black pawn at d4, black queen at e4, white pawn at f4 and white pawn at h4. Black bishop at a3, white pawn at b3, white bishop at f3 and white pawn at g3. White pawn at a2, white pawn at c2 and white king at f2. White rook at a1, white bishop at c1, white queen at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. Black to move.