Created by potrace 1.16, written by Peter Selinger 2001-2019

Rapid · last 12 months · updated 28-09-26

chickentendie5

Rapid rating2140+222 in 12 months
Games analysed756every move, Stockfish 19
Won · lost · drawn334·360·6248% score
Blunders per game0.9112-month average

Rapid rating

1900200021002200
DecFebAprJunAug

Your biggest leaks

Ranked by how many games they cost you. We don't care about your rating. We care about move 23.

  1. 01

    Converting won games

    You reached a winning position (85%+) in 426 games and didn't win 126 of them. 25% of all your losses started from a won game.

    70%of winning positions actually wonTrain this →
  2. 02

    Missing the opponent's threat

    Hung pieces, 2–3 move combinations, forks and mates you didn't see. Your own missed tactics decide another 17%.

    41%of lossesTrain this →
  3. 03

    Middlegame is where it goes wrong

    3.1 blunders per 100 moves in the middlegame, 2.5 in the endgame, 0.6 in the opening.

    5×more blunders than in the openingTrain this →
  4. 04

    Tilt after two losses

    Against 48% overall. Stop the session after two losses in a row.

    38%score after 2 straight losses
  5. 05

    Pirc Defense, playing Black

    Your weakest common opening line (whoever chose it), against 48% overall.

    45%score over 183 games
A hand slamming a chess clockBlunders are temporary. The PGN is forever.25% of your losses started from a won game.Your opponent saw it. Stockfish saw it. You did not.

Why you lose

The biggest single error in each of your 360 losses.

Big positional error (no simple tactic)19%n=70
Missed a tactic / only move17%n=60
Outplayed gradually (no single big error)13%n=47
Didn't see opponent's 2–3 move combination12%n=43
Hung a piece (left it undefended)11%n=38
Endgame technique error8%n=28
Allowed a mating attack6%n=20
Lost material in a bad trade5%n=19
Walked into a fork5%n=18
Walked into a pin3%n=9
Lost on time in a playable position2%n=8

Winning positions

Games where you were 85%+ to win at some point. Then something happened.

Final result from a winning position

Won70%n=300
Drew9%n=37
Lost21%n=89

18 of the games you didn't win ended on time.

Pieces lost to mistakes and blunders

Rooks44n=44
Bishops43n=43
Knights33n=33
Queens22n=22

Clock and phase

Blunders per 100 moves.

By time left on your clock

< 10s4.1n=763
10–30s4.6n=1,095
30–60s4.0n=1,177
1–2 min3.1n=1,539
2–5 min3.2n=4,666
5 min +1.6n=21,930

By phase of the game

opening0.6n=9,020
middlegame3.1n=14,425
endgame2.5n=7,725

By thinking time (1 min+ on clock, after the opening)

< 2s1.3n=3,989
2–5s1.8n=3,821
5–15s2.5n=5,996
15–30s3.7n=3,165
30s +5.6n=2,144

Long thinks blunder more because hard positions take longer. This isn't a reason to play faster.

Tilt and sessions

Score counts wins plus half of draws. Overall: 48%. A session is games less than 45 minutes apart.

By result of the previous game

After a win51%n=124
After a loss51%n=144
After 2 losses in a row38%n=29

By game number in a session

Game 148%n=407
Game 249%n=193
Game 348%n=84
Games 4–547%n=62

By time of day

06–09h41%n=48
09–12h52%n=144
12–15h47%n=168
15–18h45%n=176
18–21h52%n=135
21–24h49%n=77

Openings

Openings with 15+ games. Win chance after move 12 shows whether you leave the opening better or worse.

OpeningAsGamesScoreWin chance, move 12Blunders / game
Pirc Defenseblack18345%44%0.99
Queens Gambitwhite15751%52%0.83
Kings Indian Defenseblack6146%44%1.08
Kings Indian Defensewhite3757%49%0.73
Queens Pawn Openingwhite3540%47%0.94
Indian Gameblack3444%44%0.74
Modern Defenseblack2469%45%0.33
English Openingwhite2450%49%0.67
Grunfeld Defensewhite1942%51%1.11
Semi Slav Defensewhite1744%49%0.76
Nimzo Indian Defensewhite1675%52%1.19
Slav Defensewhite1650%49%0.94
English Openingblack1547%48%0.93

The evidence

Recent examples of each main loss cause. your move Stockfish's move

Big positional error (no simple tactic)

1
2
3
4
5
6
7
h8
g
f
e
d
c
b
a
Positional error · 4:52 left
28… Kf8? Best was Kg7.
Win chance 61% → 6% · clock 4:52
vs Bkam99 (2171) · 27-09-26 →
8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h
Positional error · 9:50 left
6. Qc2? Best was Na4.
Win chance 57% → 23% · clock 9:50
vs Genius1727 (2234) · 27-09-26 →
1
2
3
4
5
6
7
h8
g
f
e
d
c
b
a
Positional error · 8:47 left
16… Ne2+? Best was Rf8.
Win chance 80% → 22% · clock 8:47
vs 0877efe616661 (2190) · 26-09-26 →

Missed a tactic / only move

1
2
3
4
5
6
7
h8
g
f
e
d
c
b
a
Missed a tactic · 5:48 left
20… Nf6? Best was Qxf4.
Win chance 75% → 23% · clock 5:48
vs MAHMOD2511 (2168) · 26-09-26 →
8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h
Missed a tactic · 9:26 left
13. a3? Best was Bxf6.
Win chance 58% → 19% · clock 9:26
vs klapte1342 (2169) · 26-09-26 →
8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h
Missed a tactic · 9:26 left
11. b4? Best was Bxf6.
Win chance 49% → 9% · clock 9:26
vs dejanveljovic (2202) · 22-09-26 →

Didn't see opponent's 2–3 move combination

8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h
Missed their combination · 0:31 left
50. Qxa2? Best was Qe5.
Win chance 50% → 2% · clock 0:31
vs AlwaysWorseOnMove1 (2166) · 28-09-26 →
1
2
3
4
5
6
7
h8
g
f
e
d
c
b
a
Missed their combination · 9:12 left
14… Rfe8? Best was Qc7.
Win chance 36% → 14% · clock 9:12
vs Abdulahi58 (2238) · 23-09-26 →
1
2
3
4
5
6
7
h8
g
f
e
d
c
b
a
Missed their combination · 4:33 left
37… b5? Best was Rh5.
Win chance 50% → 9% · clock 4:33
vs hydrationstation (2231) · 22-09-26 →

Hung a piece (left it undefended)

1
2
3
4
5
6
7
h8
g
f
e
d
c
b
a
Hung a piece · 0:28 left
38… Rf7? Best was Qe5.
Win chance 98% → 34% · clock 0:28
vs Sargis5 (2180) · 28-09-26 →
8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h
Hung a piece · 3:52 left
36. g3? Best was f4.
Win chance 50% → 13% · clock 3:52
vs cosmoplayzgames (2173) · 24-09-26 →
8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h
Hung a piece · 4:48 left
38. Qc6? Best was Rb4.
Win chance 38% → 4% · clock 4:48
vs Abdulahi58 (2245) · 23-09-26 →