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14 Common Chess Mistakes Beginners Make

Writer: Jake FishmanJake Fishman

Black makes a mistake in chess

When you are learning chess, mistakes are unavoidable. However, some mistakes are more common than others, and they can slow down your progress if you don’t recognise them. If you keep losing games but don’t understand why, you are likely repeating the same errors without realising it.


Many beginners focus too much on memorising openings or playing as many games as possible, expecting to improve naturally. However, real improvement comes from understanding the mistakes that lead to losses and learning how to avoid them. The most common beginner mistakes include unnecessary piece trades, failing to spot tactical threats, poor time management, and not knowing how to convert a winning position.


This guide will help you identify these mistakes and show you how to fix them. You will learn practical solutions that can improve your game, whether you are just starting out or trying to break through a rating plateau.


Table of content:

  • Opening mistakes in chess beginners make that ruin the game

  • Middlegame mistakes in chess beginners make

  • Endgame mistakes in chess beginners make

  • Mental and training mistakes that slow improvement



Opening mistakes in chess which beginners make that ruin their game

Opening mistakes in chess which beginners make that ruin their game

The opening is the first stage of the game, where you develop your pieces and prepare for the middlegame. Many beginners make mistakes that put them at a disadvantage early on. These mistakes can lead to a weak position, lost material, or an exposed king. Below are the most common opening mistakes and how to avoid them.


Mistake #1 – Moving too many pawns in the opening

Pawns are important, but moving too many of them early on instead of developing knights and bishops is a mistake.


This is a problem for three main reasons:

  1. Your more powerful pieces stay on their original squares instead of getting into the game.

  2. Your king remains in the centre for too long, making it vulnerable.

  3. You create unnecessary weaknesses in your pawn structure.


A typical example of this mistake is when a beginner plays 1.e4, 2.d3, 3.h3, 4.a3. These 4 moves delay the development of your pieces (Knights and Bishops). Remember that an opponent who develops pieces efficiently will take control of the centre and attack before the beginner is ready.


So your best moves to avoid this mistake would be to move one or two central pawns (e4, d4, or c4) to control the centre. Then you develop knights and bishops before making extra pawn moves. Then castle early to keep the king safe.


Mistake #2 – Bringing the Queen out too early

Beginners often try to bring their queen out quickly to attack, hoping for a fast checkmate. This usually backfires because the opponent can develop pieces while attacking the queen, forcing it to move multiple times.


Here are the reasons why this is a mistake:

  1. The Queen becomes an easy target for attacks.

  2. The opponent develops pieces while you waste moves escaping attacks.

  3. You fall behind in development and lose control of the board.

Usually this starts with playing 1.e4 e5, 2.Qh5 to attack f7. If Black defends correctly, White loses tempo when the Queen is chased around. Meanwhile, Black develops pieces freely. So don’t rush for a fast win. While there will be exceptions, generally only move the queen once othe pieces have been developed to support it, not for early attacks. If you do move the queen, place it on a safe, useful square (e.g., d2, e2, or c2 in many openings).


Mistake #3 – Not castling early or keeping the King in danger

Leaving the king in the centre for too long is a serious and frequent mistake. A king in the centre is an easy target for attacks, especially when the centre of the board opens up. It is important not to ignore this mistake because the King is vulnerable to early attacks and castling later may just become impossible if the opponent controls key squares. A safe king allows you to focus on attacking instead of defending.


So a good tip would be to castle within the first 10-15 moves, unless you have a specific reason not to. 


These opening 3 opening mistakes in chess make games harder than they need to be. By developing efficiently, keeping the queen back, and castling early, you will have stronger positions and fewer problems later in the game.



chess mistakes in middlegame

Middlegame mistakes in chess that beginners make which put them at a disadvantage

Once you develop your pieces and castle, the game moves into the middlegame phase. This is where plans, tactics, and attacks take shape. However, many beginners make mistakes that lead to losing material, weakening their position, or missing key opportunities. Below are the most common middlegame mistakes and how to avoid them.


Mistake #1 – Ignoring basic tactics like pins, forks, skewers, discovered attacks

Tactics play a major role in chess, especially in the middlegame. Many beginners focus only on their own moves and don’t see tactical threats. This leads to losing pieces and missing opportunities to attack. So, as a result, you might lose material by not spotting an opponent’s tactic and miss winning opportunities because you don’t recognise tactical patterns. Besides this you can struggle to defend properly and get caught in simple traps.


An example of such play can look like this: a beginner moves a knight to attack the opponent’s queen but doesn’t realise that the opponent has a skewer (an attack that forces a high-value piece to move, exposing another piece behind it). As a result, they lose a rook for free.


How to avoid this mistake in chess:

  • Always check what your opponent’s last move threatens.

  • Learn common tactical patterns (pins, forks, skewers, discovered attacks).

  • Practice tactics daily using puzzle exercises to improve pattern recognition.


Mistake #2 – Trading pieces without a purpose

Beginners often trade pieces just because they can, without thinking about whether the trade benefits them. In many cases, this weakens their position and helps the opponent.


Why this is a mistake:

  • Trading without a plan can help the opponent improve their position.

  • Exchanging the wrong pieces can leave you with weaker pieces.

  • Some trades open files or squares that favour your opponent.


Always ask yourself before every trade: "Who benefits more?". Is the trade really worth it? Trade pieces only if it improves your position (e.g., removing an active opponent’s piece, creating a weakness). So avoid trading just to simplify unless you are winning and need to reduce your opponent’s attacking chances.


Mistake #3 – Playing too passively and not controlling the board

Many beginners hesitate to take control of the board and instead default to playing defensively. This allows their opponent to dictate the game and build up strong attacks. By playing passive, you give the opponent too much control over the board, and lose opportunities to attack or create threats. Always keep in mind that a strong opponent will take advantage of your inactivity and put you in a defensive position.


If you are developing pieces, but don’t make any threats to the opponent, then this is considered as a passive play. To fix this chess mistake you should focus on 3 key steps:

  • Fight for key squares, especially the centre.

  • Look for active moves that increase piece activity.

  • Avoid making defensive moves unless necessary — always look for counterplay.


Mistake #4 – Overextending without a plan

Some beginners push pawns aggressively or launch attacks without enough support. This often backfires, creating weaknesses in your position because it creates weak squares that the opponent can exploit. You need to understand that attacking without support can lead to losing material.


Never move multiple pawns forward to attack, if they don’t have any support from other pieces. Only push pawns if they support a clear plan and coordinate attacks with multiple pieces, not just pawns. Always remember the weaknesses you create when advancing pawns.


Mistake #5 – Keeping your rooks on their original squares

Rooks are powerful pieces, but many beginners leave them undeveloped for too long. This limits their effectiveness and makes it harder to win games. Rooks are strongest when placed on open or semi-open files, so keeping them on the starting positions for too long decreases their effectiveness and wastes potential. So after castling, move your rooks to active squares (open or semi-open files) and avoid keeping them blocked by your own pawns.



White and black chess piece

Endgame mistakes in chess that beginners make

The endgame starts when most pieces are off the board. This is the stage where you often decide the result — win, draw, or loss. Many beginners are not prepared for endgames and make mistakes that throw away winning positions or lead to easy losses. Below are the most common endgame mistakes and how to avoid them.


Mistake #1 – Not activating the King in the endgame

In the opening and middlegame, you keep your king safe. But in the endgame, the king becomes a strong and active piece. Beginners often forget this and keep the king passive, far from the action.


Why this is a mistake:

  • A passive king can’t support your pawns or help in defence.

  • Your opponent’s king can enter key areas of the board and take control.

  • You may lose positions that are equal or even slightly better.


So, how this usually looks like in a game. You have a king and three pawns against your opponent’s king and two pawns. But you leave your king on the back rank. The opponent activates their king and wins all your pawns one by one.


How to avoid it:

  • Move your king towards the centre once the board is open and safe.

  • Use your king to support your pawns and restrict the opponent’s movement.

  • Don’t delay activating the king — it should be one of your strongest tools in the endgame.


Mistake #2 – Not understanding passed pawns and promotion strategies

Passed pawns are pawns with no enemy pawns in front of them on the same file or adjacent files. Many beginners don’t know how to handle them correctly, either failing to create them or not knowing how to promote them.


A typical mistake in this case would be to have a passed pawn but not push it at the right time. If you waste this opportunity, your opponent will activate their King or other piece, which can cost you a win in the game.


To handle this mistake you need to take 3 steps:

  • Identify passed pawns early and plan how to promote them.

  • Use your king and pieces to support the pawn’s advance.

  • Stop your opponent’s passed pawns as early as possible, ideally before they reach your side of the board.


Mistake #3 – Failing to convert a winning position

Beginners often gain a material advantage but don’t know how to finish the game. This leads to blunders, stalemates, or drawn positions that should have been won. There are two reasons why you may cause this mistake in chess:

  • You are rushing and making careless moves.

  • You don’t know basic checkmating patterns.


Let’s imagine how this could look in the game. You have a King and Queen against an enemy King. Throughout the endgame you keep giving checks without a plan. After many moves, you accidentally stalemate the opponent’s king and the game ends in a draw.


To avoid this scenario learn basic endgame techniques, such as checkmate with king and queen or king and rook. Also, play at a calm pace and avoid unnecessary checks when you are winning. And finally – make sure your opponent always has at least one legal move unless it’s checkmate.


Avoiding these common endgame mistakes will help you keep your advantage and finish games successfully. Even small improvements in your endgame can make a big difference in your overall results.


Mental and training mistakes that slow improvement in chess

Improving at chess is not just about what you do on the board. It also depends on how you train and how you think during your games. Many beginners struggle to improve because they repeat mistakes in their thinking and training habits. Below are the most common mental and training mistakes and how to fix them.


Mistake #1 – Tunnel vision: focusing only on your own plan

Beginners often focus only on what they want to do and ignore what their opponent is planning. This leads to blunders, missed threats, and poor decisions. Basically you miss what your opponent is trying to attack or defend, walk into traps and lose material. Your moves may work in your head but fail on the board.


Before every move, ask yourself: “What is my opponent threatening?” Look at every piece your opponent has and what squares they control. Don’t play a move until you check if it weakens your position or overlooks a threat.


Mistake #2 – Relying too much on blitz and bullet games

Fast games (like 1-minute or 3-minute chess) are fun, but they don’t help beginners improve much. These games focus more on speed than on learning proper strategy or thinking habits.


Why this is a mistake:

  • You don’t have time to think about good moves.

  • You build bad habits like rushing and playing without planning.

  • You repeat the same mistakes without noticing.


Spend more time on longer time controls (10+ minutes) to improve your decision-making. Fast games are good for fun, but for training – no.


Mistake #3 – Not reviewing your Games and learning from mistakes

If you don’t look back and check what you did right or wrong, you won’t improve. Many beginners skip analysis because they don’t know how to do it or think it’s not important. Chess analysis is one of the most underrated things and it should be a big must if you want to get better at chess


Without it, you miss the chance to spot patterns in your mistakes and keep repeating the same mistakes in every game. Trust me, progressing without a clear understanding of your weaknesses is impossible.


After every game that you play online, use the after game analysis and try to understand what went wrong, especially where you lost material or missed a tactic. Use a basic engine analysis or ask a stronger player for help if available.


Making progress in chess requires more than just playing games. You need to think clearly, train with purpose, and learn from your past games.


Final Thoughts

Avoiding common mistakes is one of the fastest ways to improve your chess. But recognising those mistakes on your own isn’t always easy. If you’re unsure what went wrong in your games, or if you keep repeating the same errors without knowing how to fix them, working with a coach can help.

At Mindful Chess, we don’t just teach openings or tactics — we help you understand why mistakes happen and how to avoid them in future games. Whether you’re a beginner or returning to chess after a break, our coaching focuses on building better habits, reviewing your games, and improving step by step.


If you want to speed up your learning and start seeing real progress, consider joining one of our chess coaching sessions for adults or kids. Coaching can give you the structure and feedback that self-study often lacks.


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