r1bq1b2/ppppk3/5prn/2n3pp/1PQ5/4PPP1/P1PP2BP/1RB2KNR w - - 2 13
FEN state: r1bq1b2/ppppk3/5prn/2n3pp/1PQ5/4PPP1/P1PP2BP/1RB2KNR w - - 2 13 ; Best move: b4c5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black bishop at f8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at d7 and black king at e7. Black pawn at f6, black rook at g6 and black knight at h6. Black knight at c5, black pawn at g5 and black pawn at h5. White pawn at b4 and white queen at c4. White pawn at e3, white pawn at f3 and white pawn at g3. White pawn at a2, white pawn at c2, white pawn at d2, white bishop at g2 and white pawn at h2. White rook at b1, white bishop at c1, white king at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 13. White to move.