r2qkb1r/3n1pp1/b3p3/ppnp3p/1PpP3B/P4PPN/2P1P2P/RNK1QB1R w k - 1 15
FEN state: r2qkb1r/3n1pp1/b3p3/ppnp3p/1PpP3B/P4PPN/2P1P2P/RNK1QB1R w k - 1 15 ; Best move: h4d8
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black knight at d7, black pawn at f7 and black pawn at g7. Black bishop at a6 and black pawn at e6. Black pawn at a5, black pawn at b5, black knight at c5, black pawn at d5 and black pawn at h5. White pawn at b4, black pawn at c4, white pawn at d4 and white bishop at h4. White pawn at a3, white pawn at f3, white pawn at g3 and white knight at h3. White pawn at c2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white king at c1, white queen at e1, white bishop at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 1. Full move number is 15. White to move.