rn2kb1r/1b6/1pppp2p/5pq1/pP3P1p/B4KPR/P1PPPnB1/RN3QN1 b kq - 4 18
FEN state: rn2kb1r/1b6/1pppp2p/5pq1/pP3P1p/B4KPR/P1PPPnB1/RN3QN1 b kq - 4 18 ; Best move: g5f6
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black rook at h8. Black bishop at b7. Black pawn at b6, black pawn at c6, black pawn at d6, black pawn at e6 and black pawn at h6. Black pawn at f5 and black queen at g5. Black pawn at a4, white pawn at b4, white pawn at f4 and black pawn at h4. White bishop at a3, white king at f3, white pawn at g3 and white rook at h3. White pawn at a2, white pawn at c2, white pawn at d2, white pawn at e2, black knight at f2 and white bishop at g2. White rook at a1, white knight at b1, white queen at f1 and white knight at g1. Black kingside and black queenside castles are available. Half move number is 4. Full move number is 18. Black to move.