Looking for resources on these four specific variations
Hello, I am looking for any good resources (preferably Chessable courses) that cover one of the four following variations as I am looking to complete my d4 repertoire now.
QID - Petrosian Variation (a3)
Bogo-Indian - Grünfeld Variation (Nbd2)
QGA - Center Variation (e4)
Blumenfeld Countergambit Accepted
Thanks in advance!
Posted Aug 7, 2025, 4:38 PM UTC
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