r1b1kbr1/3p1pp1/1p5n/pnp5/PPPP1q1p/1B2B1P1/4P3/RN1QK1NR b Kq - 3 21
FEN state: r1b1kbr1/3p1pp1/1p5n/pnp5/PPPP1q1p/1B2B1P1/4P3/RN1QK1NR b Kq - 3 21 ; Best move: f4e3
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 g8. Black pawn at d7, black pawn at f7 and black pawn at g7. Black pawn at b6 and black knight at h6. Black pawn at a5, black knight at b5 and black pawn at c5. White pawn at a4, white pawn at b4, white pawn at c4, white pawn at d4, black queen at f4 and black pawn at h4. White bishop at b3, white bishop at e3 and white pawn at g3. White pawn at e2. White rook at a1, white knight at b1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 3. Full move number is 21. Black to move.