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World Chess Champion Magnus Carlsen, whose unbeaten run in Classical Chess had stretched back 125 games–or two years, two months and 10 days–lost to the world’s No. 15 ranked player, Poland’s Jan Krzysztof Duda in round five of the Norway Chess tournament on October 10, 2020.

Magnus Carlsen’s previous defeat in Classical Chess was in July 2018.

Jan Krzysztof Duda

Jan Krzysztof Duda recording a move

Poland’s 22-Year-Old Jan Krzysztof Duda

Jan Krzysztof Duda was born April 26, 1998, in Kraków, Poland. A chess prodigy, he achieved the title of Grandmaster in 2013 at the age of 15 years and 21 days.

Duda won the Polish championship in 2018. He is a student at University School of Physical Education in Kraków.

He enjoys listening to Beethoven, Mozart and Queen!

In May 2020, he achieved his first victory over the reigning World Chess Champion Magnus Carlsen in Rapid Chess, beating Carlsen in Round 7 of the Lindores Abbey Rapid Chess Challenge.

On October 10, 2020, Duda defeated Magnus Carlsen in Classical Chess at the Altibox Norway Chess tournament held in Stavanger. It was Carlsen’s first defeat in Classical Chess after a world record 125-game unbeaten streak.

Final Position

Jan Krzysztof Duda versus Magnus Carlsen
October 10, 2020

Altibox Norway Chess Tournament

Stavanger, Norway

Final position Duda beats Carlsen in Classical Chess game

The World Record

Magnus Carlsen face only

World Chess Champion

Magnus Carlsen played 125 Classical Chess Games


A Single Loss!

Carlsen’s previous loss in Classical Chess was to Shakhriyar Mamedyarov in the Biel tournament on July 31, 2018!

A second record set! Carlsen’s current streak was also the longest unbeaten streak played by a reigning World Chess Champion and includes a stretch of 12 undefeated games against Fabiano Caruana at the 2018 World Chess Championship.

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Beginner’s Book – Chess Rules For Students

Chess Rules For Students workbook

Chess Rules For Students is a workbook for students learning the game of chess and for beginning students returning to the game. No previous knowledge of chess is necessary. Parents unfamiliar with chess will find this booklet a valuable guide to their child’s new interest.

Chess Rules For Students is designed with students, coaches, and parents in mind. Reading level is appropriate for grade-school use. All major rules of chess are covered, and algebraic notation worksheets are included. Each page is in easy-to-use worksheet format.

A student-friendly Answer Key makes self-correction fun!


Beginners & Intermediate Book – Checkmate! Ideas For Students

Checkmate! Ideas For Students

Checkmate! Ideas For Students is a workbook for beginning and intermediate students. Checkmate! covers the tactics used in checkmate attacks with clear explanations, diagrams and arrows to pinpoint the key features.

Unlike many other basic checkmate books, Checkmate! categorizes the checkmates by the tactics used to force the checkmate–like Pins, Sacrifices, Removing the Guard, Attraction, Clearance and Attacking Flight Squares–rather than only the checkmate pattern itself.

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Intermediate & Advanced Book – Chess Tactics For Students

Chess Tactics For Students workbook

Chess Tactics For Students contains 434 carefully selected problems in worksheet format.

Chess Tactics has been extensively field tested with elementary, middle-school, and high-school students over a four-year period. This book is ideal for independent seat work as well as for homework and classroom instruction.

The worksheet format and Answer Key enable self-correction with minimal dependence or direct help from a chess teacher, coach, or parent.

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Checkmate In One Prize
Chess Rules For Students Workbook
An instructional workbook designed for students learning the game of chess. Click here to learn more!
Checkmate In Two Prize
Checkmate! Ideas For Students
An instructional workbook containing tactics in worksheet format used to checkmate--like Pins, Sacrifices, Removing the Guard, Attraction, Clearance, and Attacking Flight Squares!
Checkmate In Three Prize
Chess Tactics For Students
An instructional workbook containing 434 carefully selected problems presented in worksheet format.

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