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Chess Game Analytics

20,058 games analyzed

Total Games20,058
Avg Rating1,593
White Win %49.9%
Top OpeningSicilian Defense
Avg Duration11m 59s
Rated Games80.5%

Lichess ratings are used throughout this dataset. If you play on Chess.com, your rating there is typically 200–300 points lower than your Lichess equivalent, meaning a 1400 on Chess.com corresponds roughly to a 1600–1700 here. Use the rating band filters accordingly.

What the Data Shows

Key patterns across 20,058 games

First-Move Advantage Fades with Skill
White wins 49.9% of all games in this dataset, barely above equal. At the 1800+ level, that figure drops to 48.1%, with black winning 45.5% and draws at 6.4%. Stronger players consistently neutralize white's opening tempo through preparation and theory, so the color of pieces matters less the higher you play.
Rating Gap Is a Decisive Predictor
When two players are within 50 Elo points, the higher-rated one wins only 48.9% of the time, essentially a coin flip. Crossing 200 points changes things significantly: a 101-200 gap already puts the stronger player at 62.4%, and at 300+ that climbs to 81.1%. Elo is not a guarantee, but a 200-point gap is a reliable signal of likely outcome.
Stronger Players Resign Earlier
At 1000-1200, about 39.7% of games end in checkmate: players at this level often don't recognize a lost position until the final move. At 1800+, checkmate accounts for just 20% while resignation reaches 64.5%. Experienced players concede when the outcome is clear, which is also why elite games tend to end earlier and feel shorter despite having more moves.
Opening Choice Can Swing the Odds
Most popular openings stay near 50/50, but some deviate sharply. Among the 20 most-played openings in this dataset, Philidor Defense stands out: white wins 61% of the time while black wins only 33.8%, a 27-point gap. At the other extreme, Van't Kruijs Opening strongly favors black: white wins only 34.2% versus 61.4% for black. These swings likely reflect opening familiarity within this player pool more than theoretical imbalance.
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Opening Popularity vs White Win Rate

Each circle is an opening family. Size = games played. Above the 50% line means white wins more often than black with that opening.

Win Rate by Rating Band

White, Black, and Draw % per band

How Games End

Victory status breakdown by rating band

Top 5 Openings by Rating Band

Bar width = game count. Win % shown as White / Black.

King's Pawn Game
18
67% / 33%
Scandinavian Defense
8
88% / 13%
Sicilian Defense
5
0% / 80%
Queen's Pawn Game
5
60% / 40%
Hungarian Opening
5
40% / 60%
White win %Black win %

Color Advantage by Opening

Each bar shows the net difference between white and black win rates. Pointing right means white wins more often; pointing left means black wins more often.

Win Rate by Time Control

Bullet, Blitz, and Rapid outcome breakdown

Opening Depth vs White Win Rate

How white's win rate shifts as the game follows opening theory for more moves. The x-axis counts half-moves: ply 10 means both sides made 5 opening moves. One line per rating band.

Game Duration by Rating Band

The box shows the middle 50% of game lengths. The line inside is the median. Whiskers extend to the typical minimum and maximum.

Turns per Game by Rating Band

The box covers the middle 50% of move counts. The line is the median, the dot is the average. Higher-rated games tend to go longer.

Does Rating Gap Predict Outcome?

Win rate of the higher-rated player as the rating gap grows.