r1bq1bnr/1pp1Nk1p/2np2p1/p3pp1P/P7/2P3P1/1P1PPP2/R1BQKBNR b Q - 2 10
FEN state: r1bq1bnr/1pp1Nk1p/2np2p1/p3pp1P/P7/2P3P1/1P1PPP2/R1BQKBNR b Q - 2 10 ; Best move: d8e7
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7, white knight at e7, black king at f7 and black pawn at h7. Black knight at c6, black pawn at d6 and black pawn at g6. Black pawn at a5, black pawn at e5, black pawn at f5 and white pawn at h5. White pawn at a4. White pawn at c3 and white pawn at g3. White pawn at b2, white pawn at d2, white pawn at e2 and white pawn at f2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White queenside is the only castle move available. Half move number is 2. Full move number is 10. Black to move.