r2qkbnr/3np3/3p1p1p/p1P2p2/4PP1P/N5PN/P1PBK1b1/3R1B2 b kq - 0 20
FEN state: r2qkbnr/3np3/3p1p1p/p1P2p2/4PP1P/N5PN/P1PBK1b1/3R1B2 b kq - 0 20 ; Best move: g2f1
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black knight at d7 and black pawn at e7. Black pawn at d6, black pawn at f6 and black pawn at h6. Black pawn at a5, white pawn at c5 and black pawn at f5. White pawn at e4, white pawn at f4 and white pawn at h4. White knight at a3, white pawn at g3 and white knight at h3. White pawn at a2, white pawn at c2, white bishop at d2, white king at e2 and black bishop at g2. White rook at d1 and white bishop at f1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 20. Black to move.