rn3rk1/3b2bp/3ppp1n/pp4pP/P4P2/N1P4R/QP1PP1P1/2B1KBq1 w - - 0 15
FEN state: rn3rk1/3b2bp/3ppp1n/pp4pP/P4P2/N1P4R/QP1PP1P1/2B1KBq1 w - - 0 15 ; Best move: a3b5
The current state of the chess board is: Black rook at a8, black knight at b8, black rook at f8 and black king at g8. Black bishop at d7, black bishop at g7 and black pawn at h7. Black pawn at d6, black pawn at e6, black pawn at f6 and black knight at h6. Black pawn at a5, black pawn at b5, black pawn at g5 and white pawn at h5. White pawn at a4 and white pawn at f4. White knight at a3, white pawn at c3 and white rook at h3. White queen at a2, white pawn at b2, white pawn at d2, white pawn at e2 and white pawn at g2. White bishop at c1, white king at e1, white bishop at f1 and black queen at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 15. White to move.