r1q1kr2/1bpp1ppp/3bp2N/p2n4/pP1P1P1P/7N/1RPKP1P1/2BQ1B2 b q - 2 19
FEN state: r1q1kr2/1bpp1ppp/3bp2N/p2n4/pP1P1P1P/7N/1RPKP1P1/2BQ1B2 b q - 2 19 ; Best move: a4a3
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8 and black rook at f8. Black bishop at b7, black pawn at c7, black pawn at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black bishop at d6, black pawn at e6 and white knight at h6. Black pawn at a5 and black knight at d5. Black pawn at a4, white pawn at b4, white pawn at d4, white pawn at f4 and white pawn at h4. White knight at h3. White rook at b2, white pawn at c2, white king at d2, white pawn at e2 and white pawn at g2. White bishop at c1, white queen at d1 and white bishop at f1. Black queenside is the only castle move available. Half move number is 2. Full move number is 19. Black to move.