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Report for big_tonka_t

Games

300

Accuracy

25.0%

Est. Rating

1,400

Opening Leaks

15

Missed Tactics

246

Depth 16✓ CompleteCalculation Getting DangerousSaved to account

Your biggest takeaway

Critical

Your #1 leak is the Queens Pawn Opening Horwitz Defense — you repeat the same mistake.

In 3 games you reached this position and played d6, dropping about 9.8 pawns each time. You've lost 3 of those games.

3× · −9.8 pawns
d6d8g5

Fix this next: Next time, play d8g5 here instead of d6.

Games analyzed

300

Repeat positions

118

Opening leaks

15

2 count toward scoring

Missed tactics

549

Endgame mistakes

245

Accuracy

25.0%

Report summary

Calculation Getting Dangerous

big_tonka_t shows developing intermediate play with 25.0% move accuracy across 118 scored positions. The key growth area: missed 246 tactical shots — pattern recognition work will unlock the most rating points. Move quality is fairly consistent (consistency score 78/100), with a 14% rate of high-cost errors. The foundation is solid. Locking in the key weakness will accelerate improvement significantly.

Confidence 99%118 scored positionsConsistency 78/100

Estimated rating

1400

Avg eval loss

0.30 pawns

Severe leak rate

14%

75th percentile loss

0.42 pawns

Strengths

What is already working

Start with the part of the report that should feel good: these are the pieces of your game already giving you something real to stand on.

Good news first

Opening Prep is the first part of your game that already looks buildable.

That matters more than the low points. The report still shows a base you can trust while you improve the rest.

Current edge

📚

Opening Prep

You are reaching enough familiar structures to avoid starting every game from scratch.

84/100

Also helping

⏱️

Time Mgmt

Your clock handling is giving your chess enough room to show up on the board.

48/100

Profile

Radar and coaching summary

A quick human read on where the next training gain should come from, without losing sight of what is already working.

37
overall

Coach's note

There is enough here to build on, especially in Opening Prep. The biggest lift now comes from Composure: get that bottleneck under control and the whole profile should calm down. Focus on one weakness at a time and let your stronger area keep the rest of your game stable.

Profile outline

Read the full profile as a quick outline: what is holding up, what is dragging, and where the next training gain should come from.

Room to grow (37/100). Focus on Composure (13) first — it's your biggest bottleneck. Opening Prep (84) shows promise.

At a glance

Performance overview

Where your mistakes landed and how much each phase cost you.

Mistakes by category

Count of errors detected per area

CP loss by game phase

Total centipawns lost per phase of the game

Openings

Opening report

Recurring leaks, opening rankings, and the sharpest one-off misses from the scanned archive.

6 shown / 15 available
📊

Opening Rankings19 openings

Lowest: Queens Pawn Opening Horwitz Defense (17%) · Highest: Mieses Opening 1...g6 (100%) · 299 games total

#1

Queens Pawn Opening Horwitz Defense

Black
17%
6 games+1W=0D5L
Struggling
#2

French Defense Queens Knight Variation

Black
21%
14 games+3W=1D10L
Struggling
#3

Van t Kruijs Opening 1...e5

White
33%
24 games+8W=0D16L
Struggling
#4

Van t Kruijs Opening

Black
33%
6 games+2W=1D3L
Struggling
#5

Van t Kruijs Opening 1...c5

White
38%
13 games+5W=0D8L
Weak
#6

Mieses Opening 1...c5

White
40%
5 games+2W=0D3L
Weak
#7

Queens Pawn Opening Horwitz Defense 2.c4

Black
42%
12 games+5W=0D7L
Weak
#8

French Defense Normal Variation

Black
43%
21 games+9W=0D12L
Weak
#9

Van t Kruijs Opening 1...d5

White
43%
14 games+6W=2D6L
Weak
#10

Queens Pawn Opening Horwitz Defense 2.Bf4

Black
45%
11 games+5W=1D5L
Even
#11

Van t Kruijs Opening

White
47%
32 games+15W=1D16L
Even
#12

Mieses Opening 1...d5

White
48%
21 games+10W=1D10L
Even
#13

French Defense

Black
50%
8 games+4W=1D3L
Even
#14

Van t Kruijs Opening 1...g6

White
50%
8 games+4W=1D3L
Even
#15

Queens Pawn Opening Horwitz Defense 2.Nf3

Black
50%
6 games+3W=0D3L
Even
#16

French Defense Knight Variation

Black
52%
23 games+12W=0D11L
Even
#17

Mieses Opening

White
56%
16 games+9W=1D6L
Good
#18

Mieses Opening Reversed Rat Variation

White
67%
9 games+6W=0D3L
Strong
#19

Mieses Opening 1...g6

White
100%
5 games+5W=0D0L
Strong

Position Performance

Positions you own & positions that own you

Your best and worst recurring positions, ranked by frequency and impact.

Pro shows up to 10

Toughest positions

3
8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h

Van t Kruijs Opening 1...e5

Reached 20 times · 20 games

80% loss rate0.7 avg cp

4W / 16L / 0D

8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h

French Defense Knight Variation

Reached 25 times · 25 games

56% loss rate0.6 avg cp

11W / 14L / 0D

8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h

French Defense Queens Knight Variation

Reached 5 times · 2 games

100% loss rate1.3 avg cp

0W / 2L / 0D

Upgrade to Pro for up to 10 positions

Strongest positions

3
8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h

French Defense

Reached 8 times · 8 games

63% win rate0.6 avg cp

5W / 2L / 1D

8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h

Mieses Opening Reversed Rat Variation

Reached 3 times · 3 games

100% win rate0.8 avg cp

3W / 0L / 0D

8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h

Mieses Opening 1...g6

Reached 3 times · 3 games

100% win rate0.6 avg cp

3W / 0L / 0D

Upgrade to Pro for up to 10 positions

Recurring opening leaks

Positions you keep reaching and misplaying often enough to become a real pattern in your repertoire.

1 of 6
-4.1
1
2
3
4
5
6
Blunder
7
h8
g
f
e
d
c
b
a
BlunderRepeatedQueens Pawn Opening Horwitz Defense

Repeated Opening Leak

Pattern Detected

You reached this position 3× and played d6 3×

Better:Qxg5
Eval Shift9.83 lost

Before

-4.1

After

+5.73

Your Record With This Line

0%

0W · 0D · 3L3 games
CrushingRepeated HabitOpeningMissed CaptureSacrificeExposed KingKing ExposurePremature Pawn Break

Green = best move|Red = your move

Position FEN
rnbqkbnr/pppp1ppp/4p3/6B1/3P4/8/PPP1PPPP/RN1QKBNR b KQkq - 1 2
-0.3
1
2
3
4
5
6
7
Mistake
h8
g
f
e
d
c
b
a
MistakeRepeatedFrench Defense Queens Knight Variation

Repeated Opening Leak

Pattern Detected

You reached this position 5× and played Nd7 2×

Better:dxe5
Eval Shift1.25 lost

Before

-0.26

After

+0.99

Your Record With This Line

0%

0W · 0D · 2L2 games
OpeningMissed CaptureCenter Control

Green = best move|Red = your move

Position FEN
rnbqkb1r/ppp2ppp/3pp1n1/4P3/3P4/2N2N2/PPP2PPP/R1BQKB1R b KQkq - 0 5

6 of 15 opening leaks

Patterns

Recurring tactical themes

Grouped motifs ranked by impact so you can see what keeps showing up across your games.

6 motifs

Pattern Analysis

Ranked worst to best so the training target is obvious instead of buried in the tactic list.

Ranked Worst to Best

#1
👑

Missed MateWEAKEST

34x missed · forced mate

34
#2
🏰

Back Rank Threats

52x missed · avg -365.6

52
#3
📈

Converting Advantage

152x missed · avg -309.9

152
#4
🗡️

Missed Capture

110x missed · avg -84.3

110
#5

Missed Check

51x missed · avg -81.1

51
#6
⚖️

Equal Position MissesBEST

11x missed · avg -2.4

11

Focus the next round of training on the top recurring motif first. That is where repetition is hurting you most.

Tactics

Missed tactics

Forcing moves and tactical shots the scan found and ranked by impact.

6 available / 549 found

37 missed mates

Forced checkmates were available but went unnoticed — these are the highest-impact misses.

Forced mates are slipping through.

37 forced mates slipped through. Daily mate-in-2 and mate-in-3 reps should pay back quickly here.

59% of the misses happened with 30 seconds or less. That is a sign to slow down slightly in sharp positions.

The average miss is worth 58.3 pawns. Rebuilding a habit of checking checks, captures, and threats before every move is the fastest fix.

1 of 6
-7.3
1
2
3
4
5
Critical
6
7
h8
g
f
e
d
c
b
a

⚡ Missed TacticGame #95, Move 42

Critical

You had a forcing move that wins ~9.9+ eval, but you played Qd5 instead.

Eval Before

+7.29

Eval After Your Move

-M1

Material Missed

−9.9+

Winning Move

g5+

Winning BlunderMissed CheckConverting AdvantageEndgameDiscovered AttackDiscovered CheckPinZwischenzugTime Pressure: 0s (0% left)

💡This tactic was missed under time pressure. Practice blitz tactics puzzles to improve your speed pattern recognition.

Green = winning move|Amber = your move

Position FEN
6k1/p4ppp/1p1P4/8/2q1RKP1/7P/8/8 b - - 1 42
-5.6
1
2
3
4
5
6
7
h8
g
f
Critical
e
d
c
b
a

⚡ Missed TacticGame #71, Move 23

Critical

You had a forcing move that wins ~9.9+ eval, but you played Raf8 instead.

Eval Before

+5.56

Eval After Your Move

-M4

Material Missed

−9.9+

Winning Move

Nxc4

Winning BlunderMissed CaptureConverting AdvantageMiddlegameSacrificeHanging PieceTime Pressure: 12s (20% left)

💡This tactic was missed under time pressure. Practice blitz tactics puzzles to improve your speed pattern recognition.

Green = winning move|Amber = your move

Position FEN
r6r/pp1k3p/1npp2pn/8/2P5/QPq5/P5PP/3R1R1K b - - 1 23
🔒

240 more tactics locked

You're seeing 6 of 246 tactics. Pro unlocks the complete list and every future scan.

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Endgames

Endgame report

Conversion errors, hold failures, and the endgame types that cost the most.

6 available / 245 found

Positions analyzed

2179

Average loss

14.95 pawns

Weakest type

Queen + Rook

Conversion rate

60%

Endgame inaccuracies are adding up.

Only 33% of worse endings are being held. Fortress ideas and defensive king activity are the first place to train.

Queen + Rook endings are the clearest weak spot in this report. Targeted work there should move the whole endgame section fastest.

Average endgame loss is 14.95 pawns. Slowing down and calculating one move deeper in simplified positions should help.

By Type

Ranked worst to best so you can see which endgame family is actually costing you the most.

Ranked Worst to Best

#1
♛♜

Queen + RookWEAKEST

10 positions · avg -301.63 · 4 mistakes

#2

Complex

46 positions · avg -131.07 · 18 mistakes

#3

Minor Piece

16 positions · avg -63.22 · 2 mistakes

#4
♜♝

Rook + Bishop

92 positions · avg -44.06 · 29 mistakes

#5
♜♞

Rook + Knight

180 positions · avg -39.28 · 44 mistakes

#6
♜♝

Rook + Minor

399 positions · avg -25.81 · 120 mistakes

#7

Rook

46 positions · avg -22.31 · 12 mistakes

#8

Queen

21 positions · avg -1.02 · 2 mistakes

#9
♝♝

Two Bishops

16 positions · avg -0.83 · 5 mistakes

#10
♛♝

Queen + MinorBEST

61 positions · avg -0.56 · 9 mistakes

Weakest area: Queen + Rook endgames

Look for mating nets, back-rank ideas, and perpetual tricks. This material balance punishes loose kings fast.

Mistake rate

11%

Worst blunder

Mate

Failed conversions

30

1 of 6
-5.6
1
2
3
Blunder
4
5
6
7
h8
g
f
e
d
c
b
a

♛♜ Queen + Rook EndgameGame #95, Move 40

Blunder

You played Qxb3 but the best move was Kf8, losing ~Mate eval.

Eval Before

+5.56

Eval After Your Move

-M1

Eval Lost

Mate

Best Move

Kf8

BlunderQueen + Rook EndgameFailed Conversion

💡Queen + Rook tip: Heavy piece endgames are tactical. Look for back rank threats and queen+rook battery formations. Don't forget stalemate tricks when defending.

Green = best move|Blue = your move

Position FEN
6k1/p4ppp/1p6/3P4/2P2KP1/1P2R2P/q7/8 b - - 1 40
-5
1
2
Blunder
3
4
5
6
7
h8
g
f
e
d
c
b
a

♛♜ Queen + Rook EndgameGame #95, Move 39

Blunder

You played Qxa2 but the best move was Kf8, losing ~Mate eval.

Eval Before

+5.03

Eval After Your Move

-M1

Eval Lost

Mate

Best Move

Kf8

BlunderQueen + Rook EndgameFailed Conversion

💡Queen + Rook tip: Heavy piece endgames are tactical. Look for back rank threats and queen+rook battery formations. Don't forget stalemate tricks when defending.

Green = best move|Blue = your move

Position FEN
6k1/p4ppp/1p6/3P4/2P3P1/1P2RK1P/P1q5/8 b - - 2 39
🔒

239 more endgame mistakes locked

You're seeing 6 of 245 endgame mistakes. Pro unlocks the complete list and every future scan.

Unlock Pro

Time

Time management

Rushed moves, wasted thinks, and the moments where your clock management actually helped.

6 available / 200 found

Score

48/100

Avg / move

1.6s

Justified thinks

2069

Time wasted

7

Rushed moves

550

108 of 299 games had time scrambles. That usually means the late moves were played under avoidable pressure.

Slow down. Speed is costing you.

2069 moments show you invested time in the right spots. That is a real strength, not hesitation.

314 fast decisions still held move quality. That is good intuition, not careless speed.

7 moments were spent overthinking non-critical positions. Trust simpler moves faster and save clock for the real decisions.

1 of 6
+0
1
2
3
4
5
6
7
h8
g
f
e
d
c
b
a
Time WastedGame 63Engine Approved

Move 8 · Black

Time Insight

Spent 11.2s on this move with 47.0s remaining on the clock.

Played:O-OTop engine move

Time Analysis

Spent 11.2s on a straightforward position (complexity 25/100). Your game average is 0.3s — this cost you valuable clock time.

Position Complexity

25/100
SimpleCritical
+0.7
1
2
3
4
5
6
7
h8
g
f
e
d
c
b
a
Your move Best move
Time WastedGame 216

Move 7 · Black

Time Insight

Spent 8.0s on this move with 39.0s remaining on the clock.

Played:e5Best:c6

Time Analysis

Spent 8.0s on a straightforward position (complexity 25/100). Your game average is 1.4s — this cost you valuable clock time.

Position Complexity

25/100
SimpleCritical
🔒

194 more time-management moments locked

You're seeing 6 of 200 time-management moments. Pro unlocks the complete list and every future scan.

Unlock Pro

Positional

Habits beneath the blunders

These quieter patterns show up before the tactical punishment. They are strong follow-up training targets.

14 motifs
💀

Loose pieces are your most expensive habit

You left a piece hanging 78x across your games, costing an average of ~244.7 pawns each time. Before every move, run a 1-second scan: is anything undefended?

Top priority

Human-readable habits

14 concrete habits detected. The ones at the top are your highest-priority fixes.

🚫 Unnecessary Capturesx16🍕 Greedy Pawn Grabsx3💥 Released Tensionx3
Top Priority
16x detectedavg -372.8 pawns
🚫

Unnecessary Captures

16/78 max

To take is a mistake.

- GM Igor Smirnov

Minor Habit
3x detectedavg -333.3 pawns
🍕

Greedy Pawn Grabs

3/78 max

The punishment for grabbing pawns is usually a lost tempo, and tempi are worth more than pawns.

- GM Garry Kasparov

Minor Habit
3x detectedavg -328.4 pawns
💥

Released Tension

3/78 max

Maintain the tension! The side that resolves it first usually gets the worse deal.

- GM Aron Nimzowitsch

High Impact
78x detectedavg -244.7 pawns
💀

Hanging Pieces

78/78 max

Loose pieces drop off. Always check if your pieces are defended before moving.

- GM Dan Heisman

Minor Habit
7x detectedavg -144.3 pawns
🐢

Passive Retreats

7/78 max

A piece that is not actively placed is a wasted piece. Every move must serve a purpose.

- GM Siegbert Tarrasch

Minor Habit
9x detectedavg -1.9 pawns
📉

Trading Advantage

9/78 max

When you have the advantage, don't trade — make your opponent suffer.

- GM Garry Kasparov

Minor Habit
2x detectedavg -1.4 pawns
🌀

Aimless Moves

2/78 max

Every move must have a purpose. If you can't explain why you played it, you shouldn't have.

- GM Savielly Tartakower

Minor Habit
3x detectedavg -0.9 pawns
🐌

Missed Development

3/78 max

Develop your pieces to good squares, castle early, and connect your rooks.

- GM José Raúl Capablanca

Minor Habit
8x detectedavg -0.9 pawns
🎯

Center Neglect

8/78 max

The player who controls the center controls the game.

- GM Wilhelm Steinitz

Minor Habit
1x detectedavg -0.9 pawns
📊

Piece Activity

1/78 max

A knight on the rim is dim.

- Traditional chess proverb

Minor Habit
6x detectedavg -0.8 pawns
⚔️

Premature Pawn Breaks

6/78 max

Do not hurry. The pawn structure is everything — it determines the entire game.

- GM Philidor

Minor Habit
20x detectedavg -0.8 pawns
👑

King Exposure

20/78 max

The king is a fighting piece. Use it! But never leave it exposed in the middlegame.

- GM Wilhelm Steinitz

Minor Habit
1x detectedavg -0.7 pawns
🏚️

Weakened Pawn Structure

1/78 max

Pawns are the soul of chess.

- GM Philidor

Minor Habit
3x detectedavg -0.7 pawns
🤝

Premature Trades

3/78 max

Don't trade pieces unless you have a concrete reason to do so.

- GM Yasser Seirawan

💡

These habits often repeat unconsciously.

Awareness is the first step. Pause and ask yourself whether the move has a concrete purpose before committing. Head to the Training Center to drill the exact positions where these patterns appear.

🧠

Positional Pattern Trainer

Train the exact positions from your games where positional habits hurt you. Find the best move in 58 real positions — ranked by how much you lost.

🚫Unnecessary Captures ×16🍕Greedy Pawn Grabs ×3💨Released Tension ×3💀Hanging Pieces ×78+10 more
♟️

Your Own Positions

Real mistakes from your games

🎯

Find the Best Move

Interactive solving

📈

Break the Pattern

Rewire your positional thinking

📖

Interactive Lesson

Learn to fix “Unnecessary Captures

6 practice positions from your games. Interactive challenges + coaching context in ~5 minutes.

Time x Positional

Where your clock meets your habits

These patterns connect how you spend time to which positional mistakes keep appearing. Fix the connection, not just the symptom.

2 patterns

Time x Positional

2 patterns found where your clock habits and positional mistakes overlap. The top two: "King Exposure" paired with rushed moves, and "Unnecessary Captures" with rushed moves.

2 overlaps found· 199 unmatched
💨 Rushed moves & positional habitsMoving too fast in positions that needed a check
👑

King Exposure

x 1 correlated moments

💨 Rushed1% overlap

1 of your 193 rushed moves involved "king exposure" (1%). Averaging 2.9s per move, these cost ~0.0 pawns each.

~2.9s avg per move·~0.0 pawns lost each
🚫

Unnecessary Captures

x 1 correlated moments

💨 Rushed1% overlap

1 rushed capture decisions (1% of rushed moves). Capturing fast feels aggressive, but these cost ~0.0 pawns each. Take 3 extra seconds to ask: "Does this capture actually improve my position?"

~2.9s avg per move·~0.0 pawns lost each

Coach takeaway

Your main fix is speed discipline in specific positions. Run a quick blunder-check before commiting when you feel the urge to move fast. The pattern recognition will come with reps.

Mental Game

🧠 Psychology300 games · 134W 155L 11D
🧘

Stability?Mental consistency between games. High means predictable performance, low means performance swings between sessions.

44

Average

🌡️

Tilt?How often a loss is immediately followed by another loss. Lower is better and means you recover well.

48.1%

Moderate

💪

Post-Loss?Win rate in the game immediately after a loss. High means strong bounce-back ability.

48.7%

Recovers

⏱️

Timeouts?Percentage of games lost on time. High can indicate a time management issue.

27.7%

Frequent

🔥

Max Streak?Longest consecutive win or loss streak across the analysed games.

10

Loss · Extreme

🏳️

Resigns?Percentage of losses that ended in resignation. Very high may indicate giving up too early.

31%

Fights On

🧊 Ice Veins
Last 10WLWWDLWWLW
White · 42 games58.3%
Black · 38 games47.2%

Momentum

42%

Average

Early Losses

42%

Average

Comebacks

42%

Average

Mate Finish

42%

Average

Avg Win Len

28

moves

Avg Loss Len

28

moves

Best Run

28

moves

Worst Run

28

moves

🔒 Pro Mental Breakdown

Unlock your emotional archetype, color win rates, momentum analysis, comeback rate, game length trends, and streak details.

Upgrade to Pro

Based on 300 game outcomes · Psychology estimates

Training

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