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Report ID: 0fe6272b-d69b-462a-8fec-cd1ad2ab6dac
Your #1 Rating Leak: Missed Opportunities
Deterministic analysis (Stockfish + fixed heuristics). No invented insights.

More games may change results as stronger patterns emerge.

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Link: https://blackboxchess.app/report/0fe6272b-d69b-462a-8fec-cd1ad2ab6dac

Your chess profile

Based on 100 games analyzed
Rook Activation - Missed 7th Rank (O) Severity 7/8
Battery - Missed Formation (O) Severity 7/8
Rook Activation - Passive Rook (D) Severity 6/8
Outpost - Missed Occupation (O) Severity 6/8
Bishop Quality - Color Complex Surrendered (D) Severity 6/8
Initiative - Attack Direction Neglected (O) Severity 6/8
Bishop Quality - Bad Bishop (D) Severity 5/8
Rook Activation - Opponent 7th Rank Unchallenged (D) Severity 5/8
Rooks Never Connected (O) Severity 5/8
Knight Quality - Knight on Rim (D) Severity 4/8
Tactical Blindness - Bishop Trapped (D) Severity 4/8
Fork Exposed (D) Severity 7/8
Sacrifice - Unsound Sacrifice (D) Severity 6/8
Exchange Imbalance - Minor for Pawn (D) Severity 5/8
Pin Exposed (D) Severity 5/8
Hanging Pieces Severity 4/8
Exchange Imbalance - Rook for Minor (D) Severity 4/8
Skewer Exposed (D) Severity 4/8
Battery - Broken (D) Severity 3/8
Passed Pawn - Push Failure (O) Severity 5/8
Passed Pawn - Rook Behind Miss (O) Severity 4/8
Endgame Technique Failure Severity 4/8
Endgame - King Outside Pawn Square (D) Severity 4/8
Passed Pawn - Blockade Failure (D) Severity 3/8
Pawn Race Mishandled (O+D) Severity 3/8
King Activity - Passive King in Endgame (O) Severity 3/8
Back-Rank Weakness No issues detected
Failure to Convert Advantage No issues detected

Why this keeps happening

You missed the chance to penetrate to the opponent's second rank with your rook.

One number to watch

You converted your advantage in 81% of games where you achieved a significant advantage. (above average)

Where things first went wrong

Game 11, move 8 (White): Bd3

Your most damaging patterns

Grouped by weakness category — ranked by frequency, evaluation cost, and recurrence
1
Piece Activity
Underactivated or misplaced pieces that gave your opponent a positional edge.
Rook Activation - Missed 7th Rank (O)
You missed the chance to penetrate to the opponent's second rank with your rook.
Severity 7/8
72 occurrences
72 games
avg -1.6 pawns/error
Battery - Missed Formation (O)
You missed the opportunity to form a rook or queen battery along an open file or rank.
Severity 7/8
22 occurrences
22 games
avg -5.9 pawns/error
Rook Activation - Passive Rook (D)
Your rook sat on a closed or blocked file throughout the game, contributing nothing.
Severity 6/8
58 occurrences
58 games
avg -1.2 pawns/error
Outpost - Missed Occupation (O)
You had a strong outpost square available but failed to plant a piece on it.
Severity 6/8
42 occurrences
42 games
avg -2.0 pawns/error
Bishop Quality - Color Complex Surrendered (D)
You traded your bishop and left the squares it controlled permanently weak.
Severity 6/8
33 occurrences
26 games
avg -3.9 pawns/error
Initiative - Attack Direction Neglected (O)
You had the initiative but played in the wrong area of the board, letting it evaporate.
Severity 6/8
16 occurrences
16 games
avg -3.0 pawns/error
Bishop Quality - Bad Bishop (D)
Your bishop was blocked by your own pawns and played no meaningful role in the game.
Severity 5/8
10 occurrences
10 games
avg -10.4 pawns/error
Rook Activation - Opponent 7th Rank Unchallenged (D)
Your opponent placed a rook on your second rank and you failed to challenge it.
Severity 5/8
9 occurrences
9 games
avg -13.0 pawns/error
Rooks Never Connected (O)
You never connected your rooks, leaving them unable to coordinate on open files.
Severity 5/8
5 occurrences
5 games
avg -2.1 pawns/error
Knight Quality - Knight on Rim (D)
You placed or left a knight on the edge of the board where it had minimal influence.
Severity 4/8
13 occurrences
12 games
avg -1.7 pawns/error
Tactical Blindness - Bishop Trapped (D)
Your bishop was trapped with no escape squares and lost for little or no compensation.
Severity 4/8
3 occurrences
3 games
avg -1.4 pawns/error
2
Material Loss
Patterns that cost you pieces or allow the opponent to win material.
Fork Exposed (D)
Your pieces were left on squares where the opponent could fork two at once, winning material.
Severity 7/8
105 occurrences
53 games
avg -10.0 pawns/error
Sacrifice - Unsound Sacrifice (D)
You made a material sacrifice that was not objectively sound, leaving you in a losing position.
Severity 6/8
10 occurrences
9 games
avg -12.0 pawns/error
Exchange Imbalance - Minor for Pawn (D)
You lost a minor piece for only one or two pawns without sufficient compensation.
Severity 5/8
20 occurrences
19 games
avg -1.8 pawns/error
Pin Exposed (D)
Your piece was pinned against a more valuable piece behind it, restricting your options and costing material.
Severity 5/8
10 occurrences
10 games
avg -11.5 pawns/error
Hanging Pieces
You left a piece completely undefended, and the opponent could capture it for free.
Severity 4/8
12 occurrences
11 games
avg -5.5 pawns/error
Exchange Imbalance - Rook for Minor (D)
You lost the exchange (rook for minor piece) without sufficient positional compensation.
Severity 4/8
5 occurrences
5 games
avg -3.0 pawns/error
Skewer Exposed (D)
Your high-value piece was attacked and forced to move, leaving the piece behind it to be captured.
Severity 4/8
4 occurrences
4 games
avg -1.6 pawns/error
Battery - Broken (D)
A rook or queen battery you had built was broken, losing the coordination advantage.
Severity 3/8
13 occurrences
11 games
avg -1.6 pawns/error
3
Endgame
Failures in technique, king activity, or pawn management in the endgame.
Passed Pawn - Push Failure (O)
You had a passed pawn but failed to advance it at the right moment.
Severity 5/8
10 occurrences
8 games
avg -10.1 pawns/error
Passed Pawn - Rook Behind Miss (O)
You failed to place your rook behind your passed pawn, reducing its pushing power.
Severity 4/8
76 occurrences
27 games
avg -2.9 pawns/error
Endgame Technique Failure
In an equal endgame you lost without a clear tactical capture or forced mate sequence.
Severity 4/8
6 occurrences
6 games
avg -1.0 pawns/error
Endgame - King Outside Pawn Square (D)
Your king was too far from the opponent's passed pawn to catch it in time.
Severity 4/8
3 occurrences
3 games
avg -1.5 pawns/error
Passed Pawn - Blockade Failure (D)
You let the opponent advance a passed pawn by failing to blockade it in time.
Severity 3/8
21 occurrences
7 games
avg -1.4 pawns/error
Pawn Race Mishandled (O+D)
You misjudged a pawn race, either pushing too slowly or missing the critical timing.
Severity 3/8
16 occurrences
7 games
avg -2.4 pawns/error
King Activity - Passive King in Endgame (O)
Your king stayed inactive in the endgame when it needed to become a fighting piece.
Severity 3/8
12 occurrences
12 games
avg -2.8 pawns/error

Examples from your games

# Opponent Date Result Blunders Inaccuracies
1 opsiwon 2026.03.16 1-0 0 1
2 pa8576rasara 2026.03.06 1-0 1 0
74 contreras86 2025.12.19 1-0 4 3
This is 1 of the games where your #1 pattern cost you. Paid shows 3, with move-by-move context.

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