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💡 Register to the FREE Masterclass "The Best Way to Improve at Chess INSTANTLY" - https://chess-teacher.net/improve-chess-instantly/ 📥 Download the PGN of this opening here - https://bit.ly/34shHQA In this video lesson, GM Igor Smirnov talks about an interesting chess opening called the Rat Defense, which usually happens after 1.e4 b6, but there are different move orders to play this opening. The good thing about this opening is that it's universal, really simple, and practical. You don't have