r1bq1kn1/2Q1p1br/3p1p2/1p4pp/Pn1P1P2/4P2P/RPP3P1/1NB1KBNR w K - 2 20
FEN state: r1bq1kn1/2Q1p1br/3p1p2/1p4pp/Pn1P1P2/4P2P/RPP3P1/1NB1KBNR w K - 2 20 ; Best move: c7d8
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at f8 and black knight at g8. White queen at c7, black pawn at e7, black bishop at g7 and black rook at h7. Black pawn at d6 and black pawn at f6. Black pawn at b5, black pawn at g5 and black pawn at h5. White pawn at a4, black knight at b4, white pawn at d4 and white pawn at f4. White pawn at e3 and white pawn at h3. White rook at a2, white pawn at b2, white pawn at c2 and white pawn at g2. White knight at b1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 2. Full move number is 20. White to move.