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Description
Fritz Trainer: The Keymer Variation 1.Nf3 d5 2.e3 w/MendoncaThe Opening Vincent Keymer Uses to Surprise Everyone. Now It's Yours. When online chess exploded during the pandemic, one opening kept catching players off guard: 1. Nf3 d5 2. e3. Quiet on the surface, venomous underneath. Vincent Keymer plays it in a huge percentage of his games and gets great results. Now GM Luke Leon Mendonca breaks it down in 6 hours of detailed FritzTrainer instruction. "I discovered how venomous this opening was when I was
The Opening Vincent Keymer Uses to Surprise Everyone. Now It's Yours.
When online chess exploded during the pandemic, one opening kept catching players off guard: 1.Nf3 d5 2.e3. Quiet on the surface, venomous underneath. Vincent Keymer plays it in a huge percentage of his games — and gets great results. Now GM Luke Leon Mendonca breaks it down in 6 hours of detailed FritzTrainer instruction.
"I discovered how venomous this opening was when I was trying to find a way to play against it with Black — and to my surprise, this was not easy." — Luke Leon Mendonca
Why the Keymer Variation Works:
- Sidesteps mainstream theory — most club players have no idea how to counter it
- Flexible: White has more than one good option at every turn
- Blends positional and attacking elements depending on Black's setup
- Used at the highest levels with excellent results
What You'll Learn:
- All of Black's possible setups and how to handle each one
- Key concepts and strategic ideas behind every variation
- How to add this weapon to your repertoire quickly and confidently
- 6 hours of video instruction by a top GM
- Full ChessBase Opening Trainer integration — drill moves, guess positions, replay at your own pace
An easy-to-learn, hard-to-face opening. Start your journey now.
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4.5 ★★★★★
Based on 540 reviews
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Product Reviews
★★★★★ 5
Another great book
Format: Hardcover
Loved this for my wild child
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Reviewed in the United States on April 8, 2026
★★★★★ 5
Favorite book!
Format: Board book
This is our family's all-time favorite book!!! It is so cute and makes bugs fun! It is educational, with cute little rhyming words and great illustrations
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Reviewed in the United States on July 27, 2025
★★★★★ 5
The kid and I both love this book
Format: Hardcover
I am so enamored with the illustrator of this book that I've taken to buying almost everything he does. The illustrations here are so cute and playful! My daughter wants to read this almost every single day. She loves to point out the bugs on the different page and we make up stories about them. She can now recognize so many bugs we when go outside and is really excited to see them in real life! She laughs at the antics of the ladybug on each page and loves that there are different animals hidden in with the bugs. Really can't say enough good things about this book. My only caution is that there aren't really a lot of words, so if you aren't comfortable ad-libbing or making up stories you may find it a bit boring. But if you make it interactive it's really fun!
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Reviewed in the United States on June 1, 2020
★★★★★ 5
Greatest book on the planet
Format: Board book
This book was purchased for me as a baby shower gift. My daughter is obsessed with this book. We have read it so much that our first copy has seen some damage (the book is sturdy, the damage is our fault). I had to get another copy just to keep forever. I will also be purchasing the hard cover book to keep in my collection to have forever. The illustration is brilliant, we love Oscar, the writing itself is so fun. I love that it encourages exploration, play, as well as education. 10/10 - this is our favorite childrens book ever. We read it maybe 30 times a day.
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Reviewed in the United States on March 19, 2024
★★★★★ 5
Cute Rhymes and wonderful info
Format: Board book, Format: Board book
This book is super cute and makes bugs interesting with it's colorful pages and different big varieties. The book rhymes throughout the pages and it's so cute and almost reminds me of song that could have sung by the "Animaniacs" (my age is showing lol). In one of the pics I show the cover damaged but that's from my son chewing on the book. Just because it's a board book doesn't meant it's exempt from damage, just makes it last a little longer than a paperback.
I also REALLY like that there is a page that lists the bugs seen along with their names which is helpful in teaching your little one! My son enjoyed this beautiful book. :)
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Reviewed in the United States on January 15, 2023