rn4nr/1bp4p/2k3pb/ppqpppPP/N2PBP1R/P3P3/1PP2K2/R1BQ2N1 w - - 5 15
FEN state: rn4nr/1bp4p/2k3pb/ppqpppPP/N2PBP1R/P3P3/1PP2K2/R1BQ2N1 w - - 5 15 ; Best move: a4c5
The current state of the chess board is: Black rook at a8, black knight at b8, black knight at g8 and black rook at h8. Black bishop at b7, black pawn at c7 and black pawn at h7. Black king at c6, black pawn at g6 and black bishop at h6. Black pawn at a5, black pawn at b5, black queen at c5, black pawn at d5, black pawn at e5, black pawn at f5, white pawn at g5 and white pawn at h5. White knight at a4, white pawn at d4, white bishop at e4, white pawn at f4 and white rook at h4. White pawn at a3 and white pawn at e3. White pawn at b2, white pawn at c2 and white king at f2. White rook at a1, white bishop at c1, white queen at d1 and white knight at g1. Both players have exhausted their castles. Half move number is 5. Full move number is 15. White to move.