Prepare against William Arntzen Walgren

Norway · World #10,511 classical · FIDE ID 1562088

When preparing against William Arntzen Walgren, expect 1.e4 in 96% of White games. Against 1.e4 the reply is 1...c5 (69% of games); against 1.d4, 1...Nf6 (100%).

Our database contains 50 games by William Arntzen Walgren, covering Dec 2020 to Oct 2026. Below you'll find William Arntzen Walgren's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout William Arntzen Walgren 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

Performance record

FIDE rated record

From FIDE's official rated-game ledger (2010-2026): 1,140 rated games against 487 different opponents, across 176 events in 5 countries. These counts cover FIDE-rated play only, so they differ from the database totals above.

By time control

Against the field

Wins over titled players: 5 vs IM · 14 vs FM · 31 vs CM · 2 vs WIM · 2 vs WCM.

Tournament wins

14 tournament wins from 140 events, 7 of them outright.

• Eliteserie kvalifisering 2026 (2026) — 3/3
• NM for barn og ungdom 2024 C (2024) — 4/5
• NM for barn og ungdom 2024 C hurtigrunde (2024) — 3/3
• Barumsrappen #7 NGP A (2024) — 5/5, outright
• NM i lynsjakk 2024 klasse Junior B (2024) — 6/8, outright
• Barumslynet #8 Grand Prix A (2024) — 8/9, outright
• NM for ungdom 2023 C R 1-2 (2023) — 2/2
• Ostlandsserien 2. div B 2023-2024 R 1 (2023) — 1/1
• Barum Langsjakk V2023 R 1-2 (2023) — 2/2
• Elvebyen Grand Prix 2023 A hurtigrunder (2023) — 1/1
• Barum Hurtigsjakkserien #5 2022 (2022) — 5/5, outright
• Barum Langsjakk H 2022 R 5-6 (2022) — 2/2, outright
• Oslomesterskap Individuelt 2022 B (2022) — 4.5/5, outright
• Barum Langsjakk H 2022 R 1-2 (2022) — 2/2, outright

Year by year

Where William Arntzen Walgren has played

Norway (172) · Albania (1) · Spain (1) · Iceland (1) · Serbia (1)

Move-by-move preparation stats

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

First moves as White (28 games)

Main lines as White

• 1.e4 — 96% of White games, 70.4% score
  • …c5 (37% of these games) — Walgren usually continues Nf3 (60.0% score)
  • …e5 (19% of these games) — Walgren usually continues Nf3 (50.0% score)
  • …c6 (15% of these games) — Walgren usually continues d4 (83.3% score)
• 1.Nf3 — 4% of White games, 50.0% score
  • …Nf6 (100% of these games) — Walgren usually continues c4 (50.0% score)

As Black against 1.e4 (13 games)

As Black against 1.d4 (8 games)

William Arntzen Walgren's chess games

All 50 games by William Arntzen Walgren in the Chess.ceo database (Dec 2020 - Oct 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: 27 wins, 12 draws, 11 losses.

Openings as White

Openings as Black

Notable wins

Top events

Frequently asked questions

Where can I find William Arntzen Walgren's chess games?

50 games by William Arntzen Walgren, from Dec 2020 to Oct 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 William Arntzen Walgren has played.

What does William Arntzen Walgren play on the first move as White?

Across 28 games with White in our database, William Arntzen Walgren opens with 1.e4 (96% of games), 1.Nf3 (4% of games). Against 1.e4 as Black, William Arntzen Walgren answers 1...c5 (69% of games), 1...c6 (23% of games), 1...e5 (8% of games). Against 1.d4: 1...Nf6 (100% of games).

What openings does William Arntzen Walgren play as White?

As White, William Arntzen Walgren's most-played openings in our database are: Sicilian (4 games, 50.0% win rate); French: Classical Variation (3 games, 100.0% win rate); Italian Game (2 games, 50.0% win rate). The full breakdown of 28 games with White is in the table above.

What openings does William Arntzen Walgren play as Black?

As Black, William Arntzen Walgren most often plays: Sicilian: Najdorf (5 games, 40.0% win rate); Catalan (3 games, 66.7% win rate); Sicilian (3 games, 33.3% win rate). See the table above for the top ten Black openings across 22 games.

What is William Arntzen Walgren's FIDE rating?

William Arntzen Walgren is currently rated 2,162 in classical chess, 2,017 in rapid and 2,098 in blitz. Peak classical rating: 2,167 (Jul 2026).

How many games has William Arntzen Walgren played?

Our database contains 50 games by William Arntzen Walgren, covering Dec 2020 to Oct 2026. Overall record: 27 wins, 12 draws, 11 losses (54.0% win rate).

How do I prepare against William Arntzen Walgren?

50 games by William Arntzen Walgren 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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