1nq1kbnr/1r1N1pp1/1pp1p3/1PP5/p2pP2p/3P2PB/P2Q1P1P/RNB2K1R w k - 0 18
FEN state: 1nq1kbnr/1r1N1pp1/1pp1p3/1PP5/p2pP2p/3P2PB/P2Q1P1P/RNB2K1R w k - 0 18 ; Best move: d7b6
The current state of the chess board is: Black knight at b8, black queen at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black rook at b7, white knight at d7, black pawn at f7 and black pawn at g7. Black pawn at b6, black pawn at c6 and black pawn at e6. White pawn at b5 and white pawn at c5. Black pawn at a4, black pawn at d4, white pawn at e4 and black pawn at h4. White pawn at d3, white pawn at g3 and white bishop at h3. White pawn at a2, white queen at d2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 18. White to move.