ChessmooseOpponent prep

Jael Wierenga

NED · FIDE ID 1058959 · 22 tournament games since 2023
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Standard
2007
#1046 in NED (active)
Rapid
1984
#312 in NED (active)
Blitz
2042
#365 in NED (active)
Score
52%
9 W · 5 D · 8 L
Opp. avg
1973
Last 22 games
Last game
2026-07-18
19th Paleochora International Tournament 2026

Prep summary

Based on 22 over-the-board games (10 classical). 10 with White (70%), 12 with Black (38%).

Openings as White

First move

1.d4967%
1.e41100%

Most played

OpeningGamesScore
Rapport-Jobava System3100%
Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense10%
Pirc Defense1100%
Rapport-Jobava System, with e61100%
French Defense: Winawer Variation, Advance Variation10%

Openings as Black

Against 1.e4 (8 games)

1...c5 Sicilian Defense736%
1...e6 French Defense10%

Against 1.d4 (2 games)

1...Nf6 Indian Defense150%
1...d5 Queen's Pawn Game150%

Most played

OpeningGamesScore
Sicilian Defense: Najdorf Variation, English Attack275%
English Opening: King's English Variation10%
Queen's Indian Defense, with e3150%
Sicilian Defense: Najdorf Variation, Adams Attack10%
Sicilian Defense: O'Kelly Variation, Aronin System150%

Recent games

DateOpponent and eventResult
2026-07-18Hasan Huseyin Celik (2490)
19th Paleochora International Tournament 2026
L
2026-05-17Anastasios Koukas (2060)
Weekendtoernooi GC & PK NOSBO 2026 · classical
L
2026-05-15Jurrian Fahner (1853)
Weekendtoernooi GC & PK NOSBO 2026 · classical
½
2026-05-14Selwin Keuning (2200)
Weekendtoernooi GC & PK NOSBO 2026 · classical
L
2024-06-21Kasim Wandy (1827)
HSG Open 2024 | Group B
½
2024-06-21Jeroen Olislagers (1803)
HSG Open 2024 | Group B
W
2024-06-15Erik Van den Doel (2537)
Open Dutch Rapid Championship 2024
L
2024-06-15Berend Ruben
Open Dutch Rapid Championship 2024
W
2024-06-15Jan Roebers (2059)
Open Dutch Rapid Championship 2024
W
2024-06-15Akshaj Katpatal (1734)
Open Dutch Rapid Championship 2024
½

Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.