rnb2knr/1ppp1pqp/4p3/p7/NPPNP1p1/3B4/P2B1PPP/2RQK2R w K - 7 11
FEN state: rnb2knr/1ppp1pqp/4p3/p7/NPPNP1p1/3B4/P2B1PPP/2RQK2R w K - 7 11 ; Best move: b4b5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at d7, black pawn at f7, black queen at g7 and black pawn at h7. Black pawn at e6. Black pawn at a5. White knight at a4, white pawn at b4, white pawn at c4, white knight at d4, white pawn at e4 and black pawn at g4. White bishop at d3. White pawn at a2, white bishop at d2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at c1, white queen at d1, white king at e1 and white rook at h1. White kingside is the only castle move available. Half move number is 7. Full move number is 11. White to move.