r1bqkbn1/ppp3p1/B3pp1r/n2p3p/P3N1PP/2P1P3/1P2QP1R/1RB1K1N1 w - - 2 23
FEN state: r1bqkbn1/ppp3p1/B3pp1r/n2p3p/P3N1PP/2P1P3/1P2QP1R/1RB1K1N1 w - - 2 23 ; Best move: a6b5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at b7, black pawn at c7 and black pawn at g7. White bishop at a6, black pawn at e6, black pawn at f6 and black rook at h6. Black knight at a5, black pawn at d5 and black pawn at h5. White pawn at a4, white knight at e4, white pawn at g4 and white pawn at h4. White pawn at c3 and white pawn at e3. White pawn at b2, white queen at e2, white pawn at f2 and white rook at h2. White rook at b1, white bishop at c1, white king at e1 and white knight at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 23. White to move.