rn3kn1/pp3pp1/2p4r/3pPbqp/3P3P/NP5N/P1P1K2R/R1BQ1n2 b - - 6 18
FEN state: rn3kn1/pp3pp1/2p4r/3pPbqp/3P3P/NP5N/P1P1K2R/R1BQ1n2 b - - 6 18 ; Best move: g5g4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at f8 and black knight at g8. Black pawn at a7, black pawn at b7, black pawn at f7 and black pawn at g7. Black pawn at c6 and black rook at h6. Black pawn at d5, white pawn at e5, black bishop at f5, black queen at g5 and black pawn at h5. White pawn at d4 and white pawn at h4. White knight at a3, white pawn at b3 and white knight at h3. White pawn at a2, white pawn at c2, white king at e2 and white rook at h2. White rook at a1, white bishop at c1, white queen at d1 and black knight at f1. Both players have exhausted their castles. Half move number is 6. Full move number is 18. Black to move.