Zoran Petronijevic

Zoran Petronijevic is an IM with FIDE rating 2405 (highest 2430). Lives in the town of Nis, Serbia. For many years he played for various teams, mostly in the first division in former Yugoslavia and Serbia. His occupation is a teacher of Philosophy and Logic. Since 2003 he has worked as a chess coach. In 2004 he made a CD for ChessBase about Caro-Kann (B13-B14). He was an editor for Encyclopedia of chess endgames: pawn, and Rook Endgames for Chess Informant. His passion is literature. In chess, he is interested in history and endgames.

Recent news

Kasparov-Karpov 1987 riddle solutions

5/14/2025 – In the fourth world championship match between Garry Kasparov and Anatoly Karpov, played in Seville in 1987, the score was 12–11 in Karpov’s favor, putting Kasparov in a must-win situation to retain his title. This game was the subject of our previous article. We invited our readers to analyze with us, to solve a historical riddle. Here are the results.

Kasparov-Karpov: the Secret of the 24th Game

4/17/2025 – Garry Kasparov and Anatoly Karpov played five matches for the world championship. The fourth match was played in Seville in 1987. After 23 games, the score was 12–11 in Karpov’s favor, putting Kasparov in a must-win situation to retain his title. The final game was adjourned after five hours of play, to be resumed the next day. The sealed position is the subject of this article.

Riddle: Thomas-Alekhine solved!

2/17/2025 – Recently, the game Thomas-Alekhine, Baden 1925, from move 34...Qc4, was published on this site, with a request that readers get involved to help solve this riddle. Was the position really lost for White? And did Black maintain his winning advantage until the end of the game? Today we give the solution.

Lasker-Capablanca solved!

7/31/2024 – The tenth game of the 1921 match saw challenger José Raúl Capablanca gain an advantage with the black pieces, but with limited material on the board, World Champion Lasker had chances of survival. We gave our readers several interesting riddles we want to solve. Here is the definitive solution to the historic game.
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