Prepare against Glen I. Willenberg
ZAF · World #83,380 classical · FIDE ID 14306220
When preparing against Glen I. Willenberg, expect 1.c4 in 100% of White games. Against 1.e4 the reply is 1...d6 (56% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 31 games by Glen I. Willenberg, covering Aug 2015 to Jul 2026. Below you'll find Glen I. Willenberg's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Glen I. Willenberg 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 control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 1,779 | 1,786 | Mar 2026 |
| Rapid | 1,767 | 1,767 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 31 | 6 | 8 | 17 | 19.4% |
| As White | 16 | 4 | 4 | 8 | 25.0% |
| As Black | 15 | 2 | 4 | 9 | 13.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Glen I. Willenberg's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Glen I. Willenberg's side.
First moves as White (16 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c4 | 16 | 100.0% | 37.5% |
Main lines as White
- 1.c4 — 100% of White games, 37.5% score
- …e5 (50% of these games) — Willenberg usually continues Nc3 (50.0% score)
- …Nf6 (25% of these games) — Willenberg usually continues Nc3 (33.3% score)
- …d6 (6% of these games) — Willenberg usually continues g3 (0.0% score)
As Black against 1.e4 (9 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d6 | 5 | 55.6% | 10.0% |
| b6 | 2 | 22.2% | 50.0% |
| g6 | 1 | 11.1% | 0.0% |
| c6 | 1 | 11.1% | 50.0% |
As Black against 1.d4 (2 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 2 | 100.0% | 25.0% |
Glen I. Willenberg's chess games
All 31 games by Glen I. Willenberg in the Chess.ceo database (Aug 2015 - Jul 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: 6 wins, 8 draws, 17 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A21 | English Opening: Reverse Sicilian | 8 | 2/2/4 | 25.0% |
| A21 | English Opening | 5 | 1/1/3 | 20.0% |
| A30 | English Opening: Symmetrical | 2 | 1/1/0 | 50.0% |
| A14 | English Opening: Neo-Catalan | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B07 | Pirc Defense | 5 | 0/1/4 | 0.0% |
| A16 | English Opening | 2 | 0/1/1 | 0.0% |
| A40 | Owen Defense | 2 | 1/0/1 | 50.0% |
| D36 | Indian Defense | 2 | 0/1/1 | 0.0% |
| D15 | Slav Defense | 1 | 1/0/0 | 100.0% |
| A18 | English Opening: Mikenas Variation | 1 | 0/0/1 | 0.0% |
| B07 | Modern Defense | 1 | 0/0/1 | 0.0% |
| B13 | Caro-Kann: Exchange Variation | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2022 | Frank A. Snyckers | 1,797 | South African Open | A23 |
| Jul 2022 | Ashley Schuller | 1,789 | South African Open | D15 |
| Dec 2019 | Gerrit Meiboom | 1,720 | ch-RSA Seniors | A29 |
| Dec 2019 | Edwin J. November | 1,618 | ch-RSA Seniors | A30 |
| Dec 2019 | Andrew Graham Talmarkes | 1,591 | ch-RSA Seniors | A40 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-RSA Seniors | 2024 | 20 | 5.5 | 1,618 |
| South African Open | 2022 | 11 | 4.5 | 1,657 |
Interactive opening tree from all 31 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Glen I. Willenberg's chess games?
31 games by Glen I. Willenberg, from Aug 2015 to Jul 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 Glen I. Willenberg has played.
What does Glen I. Willenberg play on the first move as White?
Across 16 games with White in our database, Glen I. Willenberg opens with 1.c4 (100% of games). Against 1.e4 as Black, Glen I. Willenberg answers 1...d6 (56% of games), 1...b6 (22% of games), 1...g6 (11% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Glen I. Willenberg play as White?
As White, Glen I. Willenberg's most-played openings in our database are: English Opening: Reverse Sicilian (8 games, 25.0% win rate); English Opening (5 games, 20.0% win rate); English Opening: Symmetrical (2 games, 50.0% win rate). The full breakdown of 16 games with White is in the table above.
What openings does Glen I. Willenberg play as Black?
As Black, Glen I. Willenberg most often plays: Pirc Defense (5 games, 0.0% win rate); English Opening (2 games, 0.0% win rate); Owen Defense (2 games, 50.0% win rate). See the table above for the top ten Black openings across 15 games.
What is Glen I. Willenberg's FIDE rating?
Glen I. Willenberg is currently rated 1,779 in classical chess, 1,767 in rapid. Peak classical rating: 1,786 (Mar 2026).
How many games has Glen I. Willenberg played?
Our database contains 31 games by Glen I. Willenberg, covering Aug 2015 to Jul 2026. Overall record: 6 wins, 8 draws, 17 losses (19.4% win rate).
How do I prepare against Glen I. Willenberg?
31 games by Glen I. Willenberg 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.