1n1qkb2/rppb1p1r/5np1/3pp1Pp/p1P4P/1P3P1N/PN1PP3/R1BQKB1R b KQ - 0 13
FEN state: 1n1qkb2/rppb1p1r/5np1/3pp1Pp/p1P4P/1P3P1N/PN1PP3/R1BQKB1R b KQ - 0 13 ; Best move: a4a3
The current state of the chess board is: Black knight at b8, black queen at d8, black king at e8 and black bishop at f8. Black rook at a7, black pawn at b7, black pawn at c7, black bishop at d7, black pawn at f7 and black rook at h7. Black knight at f6 and black pawn at g6. Black pawn at d5, black pawn at e5, white pawn at g5 and black pawn at h5. Black pawn at a4, white pawn at c4 and white pawn at h4. White pawn at b3, white pawn at f3 and white knight at h3. White pawn at a2, white knight at b2, white pawn at d2 and white pawn at e2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 13. Black to move.