rn3q1r/1pp1npkp/p5p1/3Pp3/6PP/3P1P1B/PP1NPK2/R1BQ3R w - - 1 13
FEN state: rn3q1r/1pp1npkp/p5p1/3Pp3/6PP/3P1P1B/PP1NPK2/R1BQ3R w - - 1 13 ; Best move: d2e4
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at f8 and black rook at h8. Black pawn at b7, black pawn at c7, black knight at e7, black pawn at f7, black king at g7 and black pawn at h7. Black pawn at a6 and black pawn at g6. White pawn at d5 and black pawn at e5. White pawn at g4 and white pawn at h4. White pawn at d3, white pawn at f3 and white bishop at h3. White pawn at a2, white pawn at b2, white knight at d2, white pawn at e2 and white king at f2. 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 1. Full move number is 13. White to move.