r1bq1br1/p1ppkp1p/1p5n/n1P1p1p1/6P1/BP1P1P1P/P3P3/RN1QKBNR w KQ - 0 9
FEN state: r1bq1br1/p1ppkp1p/1p5n/n1P1p1p1/6P1/BP1P1P1P/P3P3/RN1QKBNR w KQ - 0 9 ; Best move: c5b6
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at c7, black pawn at d7, black king at e7, black pawn at f7 and black pawn at h7. Black pawn at b6 and black knight at h6. Black knight at a5, white pawn at c5, black pawn at e5 and black pawn at g5. White pawn at g4. White bishop at a3, white pawn at b3, white pawn at d3, white pawn at f3 and white pawn at h3. White pawn at a2 and white pawn at e2. White rook at a1, white knight at b1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 9. White to move.