rnq1kbn1/p1pppp1r/8/1b3Ppp/1p1P4/N1P2NP1/PP2P2P/R1BQKB1R w q - 1 11
FEN state: rnq1kbn1/p1pppp1r/8/1b3Ppp/1p1P4/N1P2NP1/PP2P2P/R1BQKB1R w q - 1 11 ; Best move: a3b5
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at c7, black pawn at d7, black pawn at e7, black pawn at f7 and black rook at h7. Black bishop at b5, white pawn at f5, black pawn at g5 and black pawn at h5. Black pawn at b4 and white pawn at d4. White knight at a3, white pawn at c3, white knight at f3 and white pawn at g3. White pawn at a2, white pawn at b2, white pawn at e2 and white pawn at h2. 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. Black queenside is the only castle move available. Half move number is 1. Full move number is 11. White to move.