rnb1kbnr/pp1pppp1/B3q3/2p5/4PP1P/2P5/PP1P1KP1/RNB3NR b q - 2 10
FEN state: rnb1kbnr/pp1pppp1/B3q3/2p5/4PP1P/2P5/PP1P1KP1/RNB3NR b q - 2 10 ; Best move: e6a6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7, black pawn at e7, black pawn at f7 and black pawn at g7. White bishop at a6 and black queen at e6. Black pawn at c5. White pawn at e4, white pawn at f4 and white pawn at h4. White pawn at c3. White pawn at a2, white pawn at b2, white pawn at d2, white king at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 2. Full move number is 10. Black to move.