1nbq3r/rpppbk1p/8/QN2np2/PP3pp1/4P2P/1BPPBPP1/R3K2R b KQ - 4 19
FEN state: 1nbq3r/rpppbk1p/8/QN2np2/PP3pp1/4P2P/1BPPBPP1/R3K2R b KQ - 4 19 ; Best move: a7a5
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8 and black rook at h8. Black rook at a7, black pawn at b7, black pawn at c7, black pawn at d7, black bishop at e7, black king at f7 and black pawn at h7. White queen at a5, white knight at b5, black knight at e5 and black pawn at f5. White pawn at a4, white pawn at b4, black pawn at f4 and black pawn at g4. White pawn at e3 and white pawn at h3. White bishop at b2, white pawn at c2, white pawn at d2, white bishop at e2, white pawn at f2 and white pawn at g2. White rook at a1, white king at e1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 4. Full move number is 19. Black to move.