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Prepare against Bert Sieber

DEU · World #12,603 classical · FIDE ID 16265971

Our database contains 42 games by Bert Sieber, covering Jun 2018 to Aug 2026. Below you'll find Bert Sieber's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Bert Sieber before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.

Ratings

Time controlCurrentPeakPeak date
Classical2,1342,177Sep 2025
Blitz1,9531,957Nov 2024

Performance record

SplitGamesWinsDrawsLossesWin rate
Overall421742140.5%
As White21721233.3%
As Black21102947.6%

Move-by-move preparation stats

Straight from the preparation tree built over all of Bert Sieber's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Bert Sieber's side.

First moves as White (21 games)

MoveGamesSharePlayer score
d41990.5%42.1%
c414.8%0.0%
Nf314.8%0.0%

Main lines as White

As Black against 1.e4 (15 games)

MoveGamesSharePlayer score
c515100.0%60.0%

As Black against 1.d4 (4 games)

MoveGamesSharePlayer score
d54100.0%25.0%

Bert Sieber's chess games

All 42 games by Bert Sieber in the Chess.ceo database (Jun 2018 - Aug 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 17 wins, 4 draws, 21 losses.

Openings as White

ECOOpeningGamesW/D/LWin rate
E40Nimzo-Indian: Rubinstein System62/0/433.3%
E90King's Indian Defense: Orthodox Variation31/0/233.3%
D97Grünfeld Defense21/1/050.0%
D35Indian Defense21/0/150.0%
A37English Opening: Symmetrical10/0/10.0%
D20Queen's Gambit Accepted11/0/0100.0%
E12Queen's Indian Defense11/0/0100.0%
A57Benoni Defense10/1/00.0%
D48Slav Defense10/0/10.0%
A80Dutch Defense10/0/10.0%

Openings as Black

ECOOpeningGamesW/D/LWin rate
B42Sicilian83/2/337.5%
D30Queen's Gambit Declined41/0/325.0%
B38Sicilian: Accelerated Dragon32/0/166.7%
B21Sicilian: Grand Prix Attack11/0/0100.0%
B35Sicilian: Hyperaccelerated Dragon11/0/0100.0%
A15English Opening10/0/10.0%
B51Sicilian: Rossolimo10/0/10.0%
A06Réti Opening11/0/0100.0%
B23Sicilian: Closed11/0/0100.0%

Notable wins

DateOpponentEloEventECO
Aug 2026Juergen de Voogt2,2545. Kurt Pape-Open | A-OpenB23
Oct 2025Jan Vortmeier2,190German Youth TeamsE90
Jun 2025Selimhan Cilo2,164ch-GER Youth U18D30
Oct 2025Fabian Mader2,153German Youth TeamsD97
Oct 2025Piet Grossmann2,077German Youth TeamsB43

Top events

EventYearGamesScoreTPR
ch-GER U122018114.51,557
ch-GER Youth U182025942,002
ch-Lower Saxony 20262026721,889
German Youth Teams202573.52,174
5. Kurt Pape-Open | A-Open2026752,228
grenke Chess Open 20262026102,141
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Frequently asked questions

Where can I find Bert Sieber's chess games?

42 games by Bert Sieber, from Jun 2018 to Aug 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Bert Sieber has played.

What does Bert Sieber play on the first move as White?

Across 21 games with White in our database, Bert Sieber opens with 1.d4 (90% of games), 1.c4 (5% of games), 1.Nf3 (5% of games). Against 1.e4 as Black, Bert Sieber answers 1...c5 (100% of games). Against 1.d4: 1...d5 (100% of games).

What openings does Bert Sieber play as White?

As White, Bert Sieber's most-played openings in our database are: Nimzo-Indian: Rubinstein System (6 games, 33.3% win rate); King's Indian Defense: Orthodox Variation (3 games, 33.3% win rate); Grünfeld Defense (2 games, 50.0% win rate). The full breakdown of 21 games with White is in the table above.

What openings does Bert Sieber play as Black?

As Black, Bert Sieber most often plays: Sicilian (8 games, 37.5% win rate); Queen's Gambit Declined (4 games, 25.0% win rate); Sicilian: Accelerated Dragon (3 games, 66.7% win rate). See the table above for the top ten Black openings across 21 games.

What is Bert Sieber's FIDE rating?

Bert Sieber is currently rated 2,134 in classical chess and 1,953 in blitz. Peak classical rating: 2,177 (Sep 2025).

How many games has Bert Sieber played?

Our database contains 42 games by Bert Sieber, covering Jun 2018 to Aug 2026. Overall record: 17 wins, 4 draws, 21 losses (40.5% win rate).

How do I prepare against Bert Sieber?

42 games by Bert Sieber reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.

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