IM Renier Castellanos - Page 50

IM Renier Castellanos is a Spanish chess player and coach who was born in 1982. He had a peak FIDE rating of 2528 and has 2 GM Norms.

He also holds the title of FIDE Trainer.

He has also won several tournaments in Spain and abroad.

He is also a popular online instructor who teaches chess students of various levels and ages on online platforms.

He has produced many chess courses and videos on topics such as positional chess, openings, endgames, and tactics.

Chess Articles by IM Renier Castellanos

3 Best Games of the Week – 2

For this week we have chosen a Slav Defense, an English opening and a Kings Indian defense with 7…Na6. They all have in common very lively play with fancy attacks, but also lots of complications that are analyzed in detail.

3 Best Games of The Week

best games of the weekWelcome to this new section of TheChessWorld. Here we will have three recent games analyzed in detail byIM Renier Castellanos andWGM Raluca Sgîrcea,every week. We will present the games from different players and with different openings. This week features two games of Alexander Grsichuk and recent Anand’s victory over Nakamura.

Fighting King’s Indian Defense: The Saemisch Part 2

In the previous article, WGM Raluca Sgîrcea and IM Renier Castellanos explored the Saemisch variation of the King’s Indian Defense, especially focusing on what happens after white take the pawn 7.dxc5. This article will concentrate its attention on a more popular variation 7.d5.  

Crushing King’s Indian Defense: Saemisch Gambit

In this article, WGM Raluca Sgîrcea and IM Renier Castellanos cover the Saemisch variation of KID in great detail. This is one of the most important weapons that white can use against a very popular on all levels from club to super-GM King’s Indian Defense. Ready to learn more?

Crushing French Defense – The Korchnoi Gambit

The French is among the most popular defenses against 1.e4 and for a good reason. It is a very solid choice, but at the same time quite aggressive. Black’s counterplay on either wing (this depends on the specific variation) offers him an opportunity to unbalance the game and take white into a very sharp and […]

Playing against the Nimzo-Indian Defense

For most of the 1.d4 players, the Nimzo-Indian defense is one of the toughest defenses to get an advantage when playing against. It is a defense that has remained a solid, flexible, and active weapon throughout the years, surviving the test of openings trends every time. Many grandmasters consider this defense the best choice against […]

The Benko Gambit: Zaitsev Variation

The Benko gambit (also called the Volga gambit) is one of the most popular choices against 1.d4 in modern practice. It gives the second player the opportunity of setting up a strategic battle mixed with tactical elements that turns out to be successful very often. Although this opening never became a main weapon at the […]

Doubled Pawns: Weakness or Strength – Part 2

In the first part of this article, we have discussed how to play against the doubled pawns and exploit their weakness. It is very important to remember that they are not always weak and there are situations when doubled pawns represent an advantage.   ***

Doubled Pawns: Weakness or Strength – Part 1

doubled pawnsIt is very frequent that, after the trades made during a game, the pawn structure changes, and doubled pawns appear on the board. As a result, both pawn and pieces mobility is affected. There can be isolated doubled pawns, when none of the pawns can be protected by another pawn and doubled pawns defended by […]

When a Knight is Better Than a Bishop

Not to disappoint those who prefer a Knight to a Bishop, we are now going to investigate what are the elements that make this minor piece a better weapon. As we mentioned in the previous article, there are no fixed rules to tell us when to keep a Knight and get rid of the Bishop.