Format
BJ
Bostelaar, Jacobus Cornelis
🇪🇸FIDE 94796408· Male· Spain· Born in 1950
Follow Jacobus Cornelis BostelaarTrack his monthly FIDE ratings, games, tournaments and more.
Jacobus Cornelis Bostelaar, a 76-year-old Spanish player, is rated 1493. He plays occasionally (6 games in the last 12 months) and took a 14-month break between Jul 2024 and Oct 2025. Recent appearance: IV Obert Vila de Tossa. His peak of 1637 was reached at age 74 (Mar 2024).
Current rating
1493
Standard
Rpd—·Blz—
All-time high
1637
−144 pts below
Mar 2024 · age 74
Mar 2024 · age 74
Activity
8
games / yr avg. · ≈1/mo
6 past 12 mo · ≈1/mo
classical only
Occasional
classical only
Occasional
Signature stat
#187,329
#187,329 · players worldwide · of 216,808
Career timeline
7 entries2024
Inactive for 14 months
paused at 1583 → returned at 1492
Jul 2024
Best 12-month gain (+242 Elo)
1395 → 1637
Mar 2024
Crossed 1600
at age 74
Mar 2024
Crossed 1500
at age 74
Mar 2024
Crossed 1400
at age 74
Mar 2024
All-time peak 1637
at age 74 · −144 from today
Mar 2024
Standard rating history
Last 12 months — activity & highlights
Evolution
-90
1583 → 1493
Tournaments
1
7 games
Score
1/ 714.3%
1W0D6L
Top wins
No noteworthy wins (no Elo gained on any game).
Top 3 losses
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Sep 2025 | 1/6 | #66 | 1410 | -90.4 |
Rankings
/
Spain
#17,095
out of 20,270 players
Europe
#117,590
in continent
World
#187,257
out of 400,000+
National ranking
Europe & World
Europe
World
Spain
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