Format
LM
Lacoste, Marius
🇫🇷FIDE 80420010· Male· France· Born in 2014
Follow Marius LacosteTrack his monthly FIDE ratings, games, tournaments and more.
Marius Lacoste, a 12-year-old French player, is rated 1512 — just 21 short of his peak of 1533 (Sep 2025, age 11). He has fluctuated between 1452 and 1533 over the past 2 years. 15 rated games in the past year (≈11/year long-term). Recent standard appearances include 32e Open International d'Echecs de Tarbes - Blavignac (1700 elo et moins), Team 2026 - Nationale 2 Jeunes r5, and Team 2026 - OCC Janvier. Also played 2 rapid events (including 7eme Open FIDE d'Echecs Rapides de Sainte Foy d'Aigrefeuille) recently.
Current rating
1512
Standard
Rpd—·Blz—
All-time high
1533
−21 pts below
Sep 2025 · age 11
Sep 2025 · age 11
Activity
17
games / yr avg. · ≈1/mo
15 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#181,073
#181,073 · players worldwide · of 218,279
Career timeline
6 entries2026
Re-crossed 1500
at age 12
May 2026
2025
All-time peak 1533
at age 11 · −21 from today
Sep 2025
Crossed 1500
at age 11
May 2025
Crossed 1400
at age 11
May 2025
Crossed 1200
at age 11
May 2025
First FIDE rating
1515 · at age 11
May 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Best result
32e Open International d'Echecs de Tarbes - Blavignac (1700 elo et moins)perf 1605 (+93) · 4/7 · #10
Evolution
-3
1515 → 1512
Tournaments
7
20 games
Score
9/ 2045.0%
7W4D9L
Top 3 wins
1.[W]vsJean-Claude Adiba1,583·32e Open International d'Echecs de Tarbes - Blavignac (1700 elo et moins)·R7·+24.0
2.[W]vsStephane Pounchou-Guilhamot1,539·32e Open International d'Echecs de Tarbes - Blavignac (1700 elo et moins)·R5·+21.6
3.[W]vsAnne Moufannine1,466·32e Open International d'Echecs de Tarbes - Blavignac (1700 elo et moins)·R4·+17.4
Top 3 losses
2.[L]vsPierre Bonnet1,539·32e Open International d'Echecs de Tarbes - Blavignac (1700 elo et moins)·R3·-18.4
Last 12 months — tournaments
7 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Apr 2026 | 4/7 | #10 | 1605 | +59.6 |
Open Swiss | Feb 2026 | 0/1 | #404 | 777 | -14.0 |
Open Swiss | Jan 2026 | 1.5/1 | #371 | 2441 | +8.4 |
Team | Jan 2026 | 1/2 | #310 | 1621 | -24.8 |
Team | Dec 2025 | 0/1 | #2465 | 797 | -15.6 |
Open Swiss | Nov 2025 | 0/1 | #689 | 701 | -22.8 |
Open Swiss | Nov 2025 | 2.5/2 | #6 | 2393 | -14.0 |
Rankings
/
France
#14,377
out of 24,627 players
Europe
#115,051
in continent
World
#181,028
out of 400,000+
National ranking
Europe & World
Europe
World
France
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Europe
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World
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