r1bq1bn1/p2n3r/1pkpp1pp/2p3p1/1P1P1NPP/N1P5/P3PP2/1RK1QB1R w - - 0 15
FEN state: r1bq1bn1/p2n3r/1pkpp1pp/2p3p1/1P1P1NPP/N1P5/P3PP2/1RK1QB1R w - - 0 15 ; Best move: f4e6
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black bishop at f8 and black knight at g8. Black pawn at a7, black knight at d7 and black rook at h7. Black pawn at b6, black king at c6, black pawn at d6, black pawn at e6, black pawn at g6 and black pawn at h6. Black pawn at c5 and black pawn at g5. White pawn at b4, white pawn at d4, white knight at f4, white pawn at g4 and white pawn at h4. White knight at a3 and white pawn at c3. White pawn at a2, white pawn at e2 and white pawn at f2. White rook at b1, white king at c1, white queen at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 15. White to move.