I bought within the first two minutes of release and got no first 150 notification. Probably flew right off and sold 1,000 in that time. I noticed I sometimes have a weak opening so to fix that hole.
GM’s Opening Lab – 2 : SPECIAL OFFERS

I am in a dilemma of whether to buy the Grandmaster's Secrets first or to buy the Geandmaster's Opening Laboratory. I could only buy one at the moment...so which one should I buy first?

If you want to develop an opening repertoire, then buy the first. If you want to develop an opening understanding (i.e. finding moves in unknown postions and playing well in middlegames that result after the opening), then buy the second. Simple!!

The_Cosmologist wrote:
If you want to develop an opening repertoire, then buy the first. If you want to develop an opening understanding (i.e. finding moves in unknown postions and playing well in middlegames that result after the opening), then buy the second. Simple!!
So I should start on the opening laboratory if I want to develop an opening repertoire?

I think Smirnov himself suggests to study the general course first (gm secret, positional understanding, self-taught gm) before openings. But in the end he says it's still you who will decide.

I have bought the Self-Taught GM but still have not bought the other courses. So I was deciding if I could buy the Grandmaster's Opening Laboratory and get a good opening repertoire.

The_Cosmologist wrote:
If you want to develop an opening repertoire, then buy the first. If you want to develop an opening understanding (i.e. finding moves in unknown postions and playing well in middlegames that result after the opening), then buy the second. Simple!!
So I should start on the opening laboratory if I want to develop an opening repertoire?
Yes. He himself says that if you haven't bought the first one, then you shouldn't buy OL-2 as the variations provided in the second one are a continuation of the first one (some of the lines have been added and some of the variations of OL-1 have been analyzed in more depth).
But looking at the price, I can tell you that OL-2 has a lot of material besides opening variations, it develops your understanding.

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Hello,