r1q1kb1r/p1ppp2p/b6n/1p3pP1/3n4/PPP1PN2/R2P2PP/1NBQKBR1 b kq - 4 9
FEN state: r1q1kb1r/p1ppp2p/b6n/1p3pP1/3n4/PPP1PN2/R2P2PP/1NBQKBR1 b kq - 4 9 ; Best move: d4f3
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7, black pawn at e7 and black pawn at h7. Black bishop at a6 and black knight at h6. Black pawn at b5, black pawn at f5 and white pawn at g5. Black knight at d4. White pawn at a3, white pawn at b3, white pawn at c3, white pawn at e3 and white knight at f3. White rook at a2, white pawn at d2, white pawn at g2 and white pawn at h2. White knight at b1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at g1. Black kingside and black queenside castles are available. Half move number is 4. Full move number is 9. Black to move.