rnbq1b2/ppk1n2r/2pp1p1p/4p1p1/PP2P3/N1PP1P2/3KBNPP/R1BQ3R w - - 2 13
FEN state: rnbq1b2/ppk1n2r/2pp1p1p/4p1p1/PP2P3/N1PP1P2/3KBNPP/R1BQ3R w - - 2 13 ; Best move: d3d4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8 and black bishop at f8. Black pawn at a7, black pawn at b7, black king at c7, black knight at e7 and black rook at h7. Black pawn at c6, black pawn at d6, black pawn at f6 and black pawn at h6. Black pawn at e5 and black pawn at g5. White pawn at a4, white pawn at b4 and white pawn at e4. White knight at a3, white pawn at c3, white pawn at d3 and white pawn at f3. White king at d2, white bishop at e2, white knight at f2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 13. White to move.