ChessmooseOpponent prep

FMOnno Elgersma

NED · FIDE ID 1053531 · 185 tournament games since 2022
Open full prep for Onno ElgersmaPlay vs Onno's clone
Standard
2341
#87 in NED (active)
Rapid
2344
#48 in NED (active)
Blitz
2372
#48 in NED (active)
Score
57%
83 W · 45 D · 57 L
Opp. avg
2299
Last 50 games
Last game
2026-09-19
Dutch Meesterklasse 2026-2027

Prep summary

Based on 185 over-the-board games (24 classical · 5 rapid). 89 with White (66%), 96 with Black (48%).

Openings as White

First move

1.e45469%
1.Nf32665%
1.d4757%
1.c4250%

Most played

OpeningGamesScore
Sicilian Defense: Moscow Variation550%
Sicilian Defense: French Variation560%
Ruy Lopez: Closed, Martinez Variation463%
Sicilian Defense: Four Knights Variation367%
King's Indian Attack: Sicilian Variation317%

Openings as Black

Against 1.e4 (49 games)

1...e6 French Defense2160%
1...e5 King's Pawn Game1350%
1...c6 Caro-Kann Defense1233%

Against 1.d4 (35 games)

1...d5 Queen's Pawn Game1729%
1...Nf6 Indian Defense1468%
1...e6 Horwitz Defense425%

Most played

OpeningGamesScore
Queen's Gambit Declined: Exchange Variation, Positional Variation1050%
Italian Game: Two Knights Defense, Modern Bishop's Opening540%
French Defense: Tarrasch Variation, Open System, Euwe-Keres Line488%
Bogo-Indian Defense: Wade-Smyslov Variation463%
Caro-Kann Defense: Exchange Variation425%

Recent games

DateOpponent and eventResult
2026-09-19Nick Maatman (2395)
Dutch Meesterklasse 2026-2027
½
2026-09-13Stefan Kuipers (2454)
Jan Timman Schaal 2026 | Jan Timman Schaal · rapid
½
2026-09-13Stefan Kuipers (2454)
Jan Timman Schaal 2026 | Jan Timman Schaal · rapid
W
2026-09-13Thomas Mollema (2240)
Jan Timman Schaal 2026 | Jan Timman Schaal · rapid
½
2026-09-13Thomas Mollema (2240)
Jan Timman Schaal 2026 | Jan Timman Schaal · rapid
W
2026-07-19Roger Labruyere (2202)
Amsterdam Chess Festival 2026 - Group A
½
2026-07-18Rob Schoorl (2284)
Amsterdam Chess Festival 2026 - Group A
L
2026-07-16Gustav Ten Kate (2019)
Amsterdam Chess Festival 2026 - Group A
W
2026-07-15Laurens Schilstra (2194)
Amsterdam Chess Festival 2026 - Group A
L
2026-07-14Rob Van der Plas (2119)
Amsterdam Chess Festival 2026 - Group A
W

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.