1rb1kbn1/p1p5/n2qppNr/1pPp3p/1P4PN/7B/PR1PPP1P/2BQK2R w K - 5 16
FEN state: 1rb1kbn1/p1p5/n2qppNr/1pPp3p/1P4PN/7B/PR1PPP1P/2BQK2R w K - 5 16 ; Best move: c5d6
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7 and black pawn at c7. Black knight at a6, black queen at d6, black pawn at e6, black pawn at f6, white knight at g6 and black rook at h6. Black pawn at b5, white pawn at c5, black pawn at d5 and black pawn at h5. White pawn at b4, white pawn at g4 and white knight at h4. White bishop at h3. White pawn at a2, white rook at b2, white pawn at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White bishop 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 5. Full move number is 16. White to move.