r2q1br1/pb2pk1p/p4ppn/1Npp4/RP5P/B6R/2PPnPP1/3QKBN1 w - - 0 13
FEN state: r2q1br1/pb2pk1p/p4ppn/1Npp4/RP5P/B6R/2PPnPP1/3QKBN1 w - - 0 13 ; Best move: d1e2
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8 and black rook at g8. Black pawn at a7, black bishop at b7, black pawn at e7, black king at f7 and black pawn at h7. Black pawn at a6, black pawn at f6, black pawn at g6 and black knight at h6. White knight at b5, black pawn at c5 and black pawn at d5. White rook at a4, white pawn at b4 and white pawn at h4. White bishop at a3 and white rook at h3. White pawn at c2, white pawn at d2, black knight at e2, white pawn at f2 and white pawn at g2. White queen at d1, white king at e1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 13. White to move.