rn1qk1nr/pb2b1p1/2p1pp1p/1p1p4/N2P3P/BP3N1R/P1PQPPP1/3RKB2 b kq - 1 10
FEN state: rn1qk1nr/pb2b1p1/2p1pp1p/1p1p4/N2P3P/BP3N1R/P1PQPPP1/3RKB2 b kq - 1 10 ; Best move: e7a3
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 knight at g8 and black rook at h8. Black pawn at a7, black bishop at b7, black bishop at e7 and black pawn at g7. Black pawn at c6, black pawn at e6, black pawn at f6 and black pawn at h6. Black pawn at b5 and black pawn at d5. White knight at a4, white pawn at d4 and white pawn at h4. White bishop at a3, white pawn at b3, white knight at f3 and white rook at h3. White pawn at a2, white pawn at c2, white queen at d2, white pawn at e2, white pawn at f2 and white pawn at g2. White rook at d1, white king at e1 and white bishop at f1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 10. Black to move.