1r2kbnr/1p2pp1p/3q4/p1p3p1/2BP4/3P3P/PP3PP1/RNB2KNR w k - 0 16
FEN state: 1r2kbnr/1p2pp1p/3q4/p1p3p1/2BP4/3P3P/PP3PP1/RNB2KNR w k - 0 16 ; Best move: c4b5
The current state of the chess board is: Black rook at b8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at e7, black pawn at f7 and black pawn at h7. Black queen at d6. Black pawn at a5, black pawn at c5 and black pawn at g5. White bishop at c4 and white pawn at d4. White pawn at d3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white king at f1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 16. White to move.