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Your first masterclass

Sicilian Defense

The Najdorf deal: 5…a6, then …e5

♚ Black · Chapter 1 of 6

Start the masterclass

Your masterclasses

The openings you actually play, understood move by move.

Your lessons

One series per kind of mistake, the most frequent first.

  1. Calculation and planning errorsMiddlegame: the move played swings the evaluation.152times in your games
    0/24
  2. Hanging piecesYour move left material hanging. Find the safe move.129times in your games
    0/24
  3. Missed tacticsThe position had a winning move. You walked past it.77times in your games
    0/24
  4. Spoiled endgamesFew pieces left, but precision counts double.59times in your games
    0/24
  5. Mates allowedYour move allowed a forced mate. Find the defence.7times in your games
    0/7
  6. Missed matesYou had a forced mate and did not play it. Find it.6times in your games
    0/6
Your analysis

The numbers behind your lessons

1,005 blunders found in these games. Here is where they come from.

Work on this first

Against the English (1.c4) as Black

32 games, 42.2% of the points scored: this is the opening that costs you the most, the equivalent of 2 games lost against an even score.

Compare your openings

Your numbers
How to read this
A 50% score means you break even: a win is worth 1 point, a draw 0.5.

48.1%your overall score318 wins · 81 draws · 347 losses
50.8%as White2.7 pts above your average
45.3%as Black5.5 pts lower than as White
1.35blunders per gamea blunder = a move that costs you at least 20 points of winning chances

Your openings
How to read this
Sorted by number of games. The bar starts at 50%: to the left you lose points, to the right you gain them. The light mark is your average score.
Out of the opening: the average edge Stockfish measures at move 12 (+1.0 ≈ a pawn up for you). Bad starts: the share of these games already clearly worse by move 12.

As White

Against the Sicilian41 games · −0.1 out of the opening · 5% bad starts
57.3%
Masterclass →
English Opening (1.c4)34 games · +0.3 out of the opening · 0% bad starts
47.1%
Against the King's Indian29 games · +0.7 out of the opening · 0% bad starts
53.4%
Against the French27 games · +0.1 out of the opening · 4% bad starts
57.4%

As Black

Sicilian Defense64 games · −0.3 out of the opening · 9% bad starts
49.2%
0/1
French Defense37 games · −0.3 out of the opening · 14% bad starts
47.3%
Masterclass →
Against the English (1.c4)32 games · −0.2 out of the opening · 0% bad starts
42.2%
Against the Réti28 games · +0.4 out of the opening · 0% bad starts
50.0%
Against the Queen's Gambit27 games · −0.7 out of the opening · 7% bad starts
42.6%