r1bq1k2/pp2pp1r/2n3p1/1BPp3p/6nP/P1P1bNP1/1P2KP2/RNBQ3R w - - 0 13
FEN state: r1bq1k2/pp2pp1r/2n3p1/1BPp3p/6nP/P1P1bNP1/1P2KP2/RNBQ3R w - - 0 13 ; Best move: c1e3
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black king at f8. Black pawn at a7, black pawn at b7, black pawn at e7, black pawn at f7 and black rook at h7. Black knight at c6 and black pawn at g6. White bishop at b5, white pawn at c5, black pawn at d5 and black pawn at h5. Black knight at g4 and white pawn at h4. White pawn at a3, white pawn at c3, black bishop at e3, white knight at f3 and white pawn at g3. White pawn at b2, white king at e2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 13. White to move.