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Regarding this "classic":

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w - - 0 1

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bc1 Nf6

I wanted to see how many games were drawn via at least threefold repetition like this:

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w - - 0 1

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bc1 Nf6 8. Be3 Ng4 9. Bc1 Nf6 10. Be3 Ng4 11. Bc1 Nf6

(I know ...) Naturally, I entered the moves in ChessBase 15 in the "reference" search and was surprised with the result:

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Obviously the "reference" search outputs results up to repetition at some point. Is this a bug or a known behaviour? If it is intended, how could I force it to output games corresponding the real moves I entered and not to some reduction of theses moves modulo repetition?

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