Format
ML
Mastny, Leonard
🇨🇿FIDE 23703865· Male· Czech Republic· Born in 2009
Follow Leonard MastnyTrack his monthly FIDE ratings, games, tournaments and more.
Leonard Mastny, a 17-year-old Czech player, is rated 1629 — just 26 short of his peak of 1655 (Apr 2024, age 15). He plays occasionally (7 games in the last 12 months) and took a 39-month break between Jul 2020 and Nov 2023 (COVID-19 included). Recent appearances: SSPK - Krajsky prebor I 2025-2026 r5-6 and Mezinarodni sachovy festival Plzen 2025 - open. Also played 1 blitz event (including O pohar starostky Mesta Touskova 2025) recently.
At junior level, he reached #71 and #34 nationally in U14 and U12.
Current rating
1629
Standard
Rpd—·Blz1655
All-time high
1655
−26 pts below
Apr 2024 · age 15
Apr 2024 · age 15
Activity
5
games / yr avg.
7 past 12 mo · ≈1/mo
classical only
Occasional
classical only
Occasional
Signature stat
#135,511
#135,511 · players worldwide · of 216,808
Career timeline
9 entries2024
Best 12-month gain (+290 Elo)
1365 → 1655
Apr 2024
All-time peak 1655
at age 15 · −26 from today
Apr 2024
Crossed 1600
at age 15
Mar 2024
Crossed 1500
at age 15
Mar 2024
Crossed 1400
at age 15
Mar 2024
2022
71st Czech U14 player
at age 13 · rated 1365
Mar 2022
Standard rating history
Last 12 months — activity & highlights
Evolution
-12
1641 → 1629
Tournaments
2
10 games
Score
4/ 1040.0%
2W4D4L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
2 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Jan 2026 | 0.5/1 | #81 | 1876 | +12.8 |
Swiss | Aug 2025 | 3.5/6 | #32 | 1818 | -25.2 |
Rankings
/
Czech Republic
#4,645
out of 6,368 players
Europe
#92,076
in continent
World
#135,503
out of 400,000+
National ranking
Europe & World
Europe
World
Czech Republic
| 1 | 🇨🇿Follow Thai Dai Van NguyenTrack their monthly FIDE ratings, games, tournaments and more. | 2,633 |
| 2 | 🇨🇿Follow David NavaraTrack their monthly FIDE ratings, games, tournaments and more. | 2,624 |
| 3 | 🇨🇿Follow Vaclav FinekTrack their monthly FIDE ratings, games, tournaments and more. | 2,573 |
| 4 | 🇨🇿Follow Jan VykoukTrack their monthly FIDE ratings, games, tournaments and more. | 2,529 |
| 5 | 🇨🇿Follow Zbynek HracekTrack their monthly FIDE ratings, games, tournaments and more. | 2,525 |
| 6 | 🇨🇿Follow Tadeas KriebelTrack their monthly FIDE ratings, games, tournaments and more. | 2,524 |
| 7 | 🇨🇿Follow Stepan ZilkaTrack their monthly FIDE ratings, games, tournaments and more. | 2,516 |
| 8 | 🇨🇿Follow Jan BernasekTrack their monthly FIDE ratings, games, tournaments and more. | 2,501 |
| 9 | 🇨🇿Follow Jiri StocekTrack their monthly FIDE ratings, games, tournaments and more. | 2,500 |
| 10 | 🇨🇿Follow Jan KrejciTrack their monthly FIDE ratings, games, tournaments and more. | 2,495 |
| ... | ||
| 4645 | 1,629 | |
Europe
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,840 |
| 2 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 3 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 3 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 5 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
| 6 | 🇳🇱Follow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more. | 2,735 |
| 7 | 🇭🇺Follow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more. | 2,729 |
| 8 | 🇫🇷Follow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more. | 2,717 |
| 8 | 🇦🇿Follow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,717 |
| 10 | 🇹🇷Follow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more. | 2,708 |
| ... | ||
| 92076 | 1,629 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,840 |
| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 3 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,788 |
| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,780 |
| 5 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,776 |
| 6 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 7 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,754 |
| 10 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 135503 | 1,629 | |