1r2kbnr/p3p1p1/n3bp2/1Np1q2p/PP1p4/2PP1P1P/3KP1PB/R2Q1BNR b k - 0 16
FEN state: 1r2kbnr/p3p1p1/n3bp2/1Np1q2p/PP1p4/2PP1P1P/3KP1PB/R2Q1BNR b k - 0 16 ; Best move: e5e3
The current state of the chess board is: Black rook at b8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at e7 and black pawn at g7. Black knight at a6, black bishop at e6 and black pawn at f6. White knight at b5, black pawn at c5, black queen at e5 and black pawn at h5. White pawn at a4, white pawn at b4 and black pawn at d4. White pawn at c3, white pawn at d3, white pawn at f3 and white pawn at h3. White king at d2, white pawn at e2, white pawn at g2 and white bishop at h2. White rook at a1, white queen at d1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 16. Black to move.