r2qk1nr/1ppp2p1/B2b3p/p3p3/P1PPpP2/1P4PP/3BNK2/R1nQ3R w kq - 3 23
FEN state: r2qk1nr/1ppp2p1/B2b3p/p3p3/P1PPpP2/1P4PP/3BNK2/R1nQ3R w kq - 3 23 ; Best move: a6b7
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at d7 and black pawn at g7. White bishop at a6, black bishop at d6 and black pawn at h6. Black pawn at a5 and black pawn at e5. White pawn at a4, white pawn at c4, white pawn at d4, black pawn at e4 and white pawn at f4. White pawn at b3, white pawn at g3 and white pawn at h3. White bishop at d2, white knight at e2 and white king at f2. White rook at a1, black knight at c1, white queen at d1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 3. Full move number is 23. White to move.