r1bk1b1r/2qpp1pp/2n2n2/ppp5/P1PP1Pp1/N3Q2B/1P1KP2P/R1B3NR w - - 4 15
FEN state: r1bk1b1r/2qpp1pp/2n2n2/ppp5/P1PP1Pp1/N3Q2B/1P1KP2P/R1B3NR w - - 4 15 ; Best move: d4d5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black bishop at f8 and black rook at h8. Black queen at c7, black pawn at d7, black pawn at e7, black pawn at g7 and black pawn at h7. Black knight at c6 and black knight at f6. Black pawn at a5, black pawn at b5 and black pawn at c5. White pawn at a4, white pawn at c4, white pawn at d4, white pawn at f4 and black pawn at g4. White knight at a3, white queen at e3 and white bishop at h3. White pawn at b2, white king at d2, white pawn at e2 and white pawn at h2. White rook at a1, white bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 15. White to move.