IM Renier Castellanos - Author at TheChessWorld Blog
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
10 Reasons to Play 1…e5 with Black
1…e5: “What should I play against 1.e4?” is a big question when creating your opening repertoire with the black pieces. There are a number of good openings for black, with the Sicilian (1…c5) being the main choice by the second player.10 Reasons to Study Chess Middlegame
Middlegame generally begins when all the pieces have been developed and the kings have reached safety. This is the part where each player’s understanding of the position is put to test. For the players who are trying to improve, studying this part is crucial to their further development. So, why is the middlegame so important […]Scandinavian Defense: Complete Guide
Scandinavian Defense appears on the board after the moves 1.e4 – d5 and is one of the oldest recorded openings in chess. Its idea is very straightforward – right from the start, black is attacking white’s center, trying to undermine it.10 Reasons to Play the Sicilian Dragon
Sicilian Dragon is one of the main weapons for black against 1.e4. The Dragon is known as a fighting opening, which can lead to sharp play and sharp complications in some lines. Black has a lot of set-ups to choose from, each with different characteristics and plans. In this article, I am going to present […]1.e4: Complete Guide for White
The most popular way to start the game is by moving the King’s pawn two squares forward. This move has been played for centuries and is the move that most beginners are taught to start with. It is one of the most correct first moves, as it opens two pieces, the Queen and the light-squared […]Play 1…e5 with Black: Complete Guide
Every chess player needs a good, reliable repertoire against 1.e4. There are many openings out there and you should weigh your choice well, but if you are looking for a classical opening that will help you learn chess in general, then you might want to look into replying with 1…e5. This is a repertoire that […]10 Reasons to Learn Advanced Tactics
Tactics is an important part of any chess player’s training. They help keep the mind sharp, but also improve your tactical vision. Your brain will learn to recognize the most common tactical patterns, so you can easily spot them during your games. There’s nobody there to tell you there is a tactic while you’re playing, […]QGD Janowski Variation: Complete Guide
The Queen’s Gambit (1.d4 d5 2.c4) is one of the most popular openings in chess. It is appreciated both by amateurs and strong players and we see it at every top-level tournament. Black can choose between many set-ups, with the main decision being made as early as move two – accept the gambit or not? […]English Opening: Complete Guide for White
English Opening starts with 1.c4 and is known as a very solid choice for the white player. Solid, however, does not equal boring and drawish and the English Opening is the perfect example. Most of the time the positions are closed, but there are plenty of active ideas for both sides.Tarrasch Defense: Complete Guide for Black
Tarrasch Defense is named after the German chess player, Doctor Siegbert Tarrasch, it is considered to be an ambitious, but sound opening. 1.d4 is generally considered as a solid option for white. The center remains closed for a longer time and we expect a long battle ahead. For active players, who prefer complications and are […]
