1rbqkbr1/1pp2p2/B3pnp1/3p3p/1P2PPP1/2PP4/P2nNK1P/RN1Q3R w - - 0 13
FEN state: 1rbqkbr1/1pp2p2/B3pnp1/3p3p/1P2PPP1/2PP4/P2nNK1P/RN1Q3R w - - 0 13 ; Best move: a6b5
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at b7, black pawn at c7 and black pawn at f7. White bishop at a6, black pawn at e6, black knight at f6 and black pawn at g6. Black pawn at d5 and black pawn at h5. White pawn at b4, white pawn at e4, white pawn at f4 and white pawn at g4. White pawn at c3 and white pawn at d3. White pawn at a2, black knight at d2, white knight at e2, white king at f2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 13. White to move.