ChessmooseOpponent prep

Alef Boer

NED · FIDE ID 1007122 · 20 tournament games since 2022
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Standard
2039
#847 in NED (active)
Rapid
–
Unrated
Blitz
2103
#269 in NED (active)
Score
35%
3 W · 8 D · 9 L
Opp. avg
2159
Last 20 games
Last game
2025-04-13
Reykjavik Open 2025

Prep summary

Based on 20 over-the-board games (9 classical). 11 with White (45%), 9 with Black (22%).

Openings as White

First move

1.e41145%

Most played

OpeningGamesScore
Sicilian Defense: Portsmouth Gambit225%
Sicilian Defense: Delayed Alapin Variation, with e610%
Ruy Lopez: Morphy Defense, Anderssen Variation1100%
Caro-Kann Defense: Two Knights Attack150%
Sicilian Defense: Taimanov Variation1100%

Openings as Black

Against 1.e4 (5 games)

1...e6 French Defense225%
1...c5 Sicilian Defense10%
1...e5 King's Pawn Game150%

Against 1.d4 (3 games)

1...d5 Queen's Pawn Game225%
1...Nf6 Indian Defense150%

Most played

OpeningGamesScore
French Defense: Rubinstein Variation, Blackburne Defense225%
Queen's Gambit Declined: Exchange Variation, Positional Variation10%
Sicilian Defense: Moscow Variation10%
Bishop's Opening: Berlin Defense150%
Queen's Gambit Accepted: Classical Defense, Main Line150%

Recent games

DateOpponent and eventResult
2025-04-13Hilmir Freyr Heimisson (2376)
Reykjavik Open 2025 · classical
L
2024-01-01Migchiel De Jong (2301)
Chess Festival Groningen 2023 | A
L
2023-12-30Kobe Smeets (2239)
Chess Festival Groningen 2023 | A
L
2023-12-28Amir Nicolai (2156)
Chess Festival Groningen 2023 | A
W
2023-12-27Sasa Albers (2192)
Chess Festival Groningen 2023 | A
½
2023-12-26Roger Labruyere (2208)
Chess Festival Groningen 2023 | A
½
2023-12-24Vincent Spit (2076)
Chess Festival Groningen 2023 | A
W
2023-12-23Rik Van Rootselaar (2105)
Chess Festival Groningen 2023 | A
½
2023-10-28Rafael Goudriaan (2153)
Hoogeveen Open 2023 · classical
½
2023-10-27Jaap Vogel (2106)
Hoogeveen Open 2023 · classical
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.