ChessmooseOpponent prep

Jack Boyer-Olson

USA · FIDE ID 39967735 · 32 tournament games since 2025
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Standard
1971
#908 in USA (active)
Rapid
–
Unrated
Blitz
1862
#1067 in USA (active)
Score
66%
17 W · 8 D · 7 L
Opp. avg
1956
Last 32 games
Last game
2026-09-20
2026 Marshall Monthly U2400 | September

Prep summary

Based on 32 over-the-board games (32 classical). 13 with White (65%), 19 with Black (66%).

Openings as White

First move

1.d41365%

Most played

OpeningGamesScore
Catalan Opening: Closed, Botvinnik Variation225%
Catalan Opening: Open Defense, Classical Line225%
Catalan Opening: Closed275%
Slav Defense: Modern Line1100%
Benoni Defense: Classical Variation1100%

Openings as Black

Against 1.e4 (12 games)

1...c5 Sicilian Defense1267%

Against 1.d4 (5 games)

1...d5 Queen's Pawn Game550%

Most played

OpeningGamesScore
Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation658%
Sicilian Defense: Closed, Anti-Sveshnikov Variation, with d6275%
Sicilian Defense: Lasker-Pelikan Variation250%
King's Indian Attack1100%
Queen's Gambit Declined: Modern Variation, Knight Defense10%

Recent games

DateOpponent and eventResult
2026-09-20Leandro Nicholas Ulloa Centeno
2026 Marshall Monthly U2400 | September · classical
W
2026-09-20Kevin Xu
2026 Marshall Monthly U2400 | September · classical
W
2026-09-19Summer Loh (1727)
2026 Marshall Monthly U2400 | September · classical
½
2026-09-13Connor Junda Wang (1988)
2026 Marshall Premier FIDE | September · classical
½
2026-09-13Rohan Lee
2026 Marshall Premier FIDE | September · classical
W
2026-09-12Elliott Goodrich (2138)
2026 Marshall Premier FIDE | September · classical
L
2026-06-14Nicholas Belenky (2132)
2026 Marshall Premier FIDE | Jun · classical
L
2026-04-19Elliott Goodrich (1982)
Marshall March Under 2400 · classical
W
2026-04-19Luke Leon Robin Anatol (2097)
Marshall March Under 2400 · classical
W
2026-04-18Isaac Hart Statz (1978)
Marshall March Under 2400 · 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.