r1b1kb1r/2p3pp/1pnp2q1/p2npp2/3PN1P1/PPP2P2/2Q4P/RNBK1BR1 b kq - 2 16
FEN state: r1b1kb1r/2p3pp/1pnp2q1/p2npp2/3PN1P1/PPP2P2/2Q4P/RNBK1BR1 b kq - 2 16 ; Best move: f5e4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at c7, black pawn at g7 and black pawn at h7. Black pawn at b6, black knight at c6, black pawn at d6 and black queen at g6. Black pawn at a5, black knight at d5, black pawn at e5 and black pawn at f5. White pawn at d4, white knight at e4 and white pawn at g4. White pawn at a3, white pawn at b3, white pawn at c3 and white pawn at f3. White queen at c2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at d1, white bishop at f1 and white rook at g1. Black kingside and black queenside castles are available. Half move number is 2. Full move number is 16. Black to move.