1nbqkb1r/rppp2p1/p3pn1p/5p2/1B1P1P2/7N/PPPNP1PP/R2QKB1R w KQk - 4 7
FEN state: 1nbqkb1r/rppp2p1/p3pn1p/5p2/1B1P1P2/7N/PPPNP1PP/R2QKB1R w KQk - 4 7 ; Best move: b4f8
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black rook at a7, black pawn at b7, black pawn at c7, black pawn at d7 and black pawn at g7. Black pawn at a6, black pawn at e6, black knight at f6 and black pawn at h6. Black pawn at f5. White bishop at b4, white pawn at d4 and white pawn at f4. White knight at h3. White pawn at a2, white pawn at b2, white pawn at c2, white knight at d2, white pawn at e2, white pawn at g2 and white pawn at h2. White rook at a1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside and black kingside castles are available. Half move number is 4. Full move number is 7. White to move.