rn1qkb1r/4npp1/4b2p/pppBp3/4P3/N2P1NP1/PPP1KP1P/R1BQ3R b kq - 1 10
FEN state: rn1qkb1r/4npp1/4b2p/pppBp3/4P3/N2P1NP1/PPP1KP1P/R1BQ3R b kq - 1 10 ; Best move: e7d5
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black knight at e7, black pawn at f7 and black pawn at g7. Black bishop at e6 and black pawn at h6. Black pawn at a5, black pawn at b5, black pawn at c5, white bishop at d5 and black pawn at e5. White pawn at e4. White knight at a3, white pawn at d3, white knight at f3 and white pawn at g3. White pawn at a2, white pawn at b2, white pawn at c2, white king at e2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 10. Black to move.