Because one is real and one is not.
What is the difference between velimirov and najdorf sicilian?
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One is real and one is not
Well, he's obviously misspelling Velimerovic
The Velimirovic is from the Classical Sicilian not the Najdorf. Hence, you must have transposed.
I played against a person in a najdorf where He went bishop to c4 with white. On my board it said playing the velimirov sicilian. What is that difference and how does it differ from the najdorf?