rnb2rk1/ppp3pp/4p2n/2bp1p1P/q5P1/P2PPP2/BPP2K2/RNBQ2NR w - - 0 13
FEN state: rnb2rk1/ppp3pp/4p2n/2bp1p1P/q5P1/P2PPP2/BPP2K2/RNBQ2NR w - - 0 13 ; Best move: g4g5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black rook at f8 and black king at g8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at g7 and black pawn at h7. Black pawn at e6 and black knight at h6. Black bishop at c5, black pawn at d5, black pawn at f5 and white pawn at h5. Black queen at a4 and white pawn at g4. White pawn at a3, white pawn at d3, white pawn at e3 and white pawn at f3. White bishop at a2, white pawn at b2, white pawn at c2 and white king at f2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 13. White to move.