r1bq1kr1/pppp3p/n3ppp1/8/1P2P2P/N2PnQ2/P1P1NPB1/R1K4R w - - 0 15
FEN state: r1bq1kr1/pppp3p/n3ppp1/8/1P2P2P/N2PnQ2/P1P1NPB1/R1K4R w - - 0 15 ; Best move: f2e3
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at f8 and black rook at g8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at d7 and black pawn at h7. Black knight at a6, black pawn at e6, black pawn at f6 and black pawn at g6. White pawn at b4, white pawn at e4 and white pawn at h4. White knight at a3, white pawn at d3, black knight at e3 and white queen at f3. White pawn at a2, white pawn at c2, white knight at e2, white pawn at f2 and white bishop at g2. White rook at a1, white king at c1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 15. White to move.