Format
SV
Sieja, Viktor
🇨🇿FIDE 23763302· Male· Czech Republic· Born in 2010
Follow Viktor SiejaTrack his monthly FIDE ratings, games, tournaments and more.
Viktor Sieja, a 16-year-old Czech player, is rated 1634. He has fluctuated between 1612 and 1688 over the past 2 years. 18 rated games in the past year (≈13/year long-term). Recent standard appearances include MKSS - Mestsky prebor Ostrava 2025-2026 r9, MKSS - Krajska soutez B 2025-2026 r4-5, and 1. liga mladeze D 2025-2026 r1-3. His peak of 1688 was reached at age 15 (Dec 2025).
At junior level, he reached #75 nationally in U14.
Current rating
1634
Standard
Rpd1500·Blz1611
All-time high
1688
−54 pts below
Dec 2025 · age 15
Dec 2025 · age 15
Activity
13
games / yr avg. · ≈1/mo
18 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#133,654
#133,654 · players worldwide · of 216,808
Career timeline
7 entries2025
Best 12-month gain (+50 Elo)
1638 → 1688
Dec 2025
All-time peak 1688
at age 15 · −54 from today
Dec 2025
2024
75th Czech U14 player
at age 14 · rated 1680
Jun 2024
Crossed 1600
at age 14
Jun 2024
Crossed 1500
at age 14
Jun 2024
Crossed 1400
at age 14
Jun 2024
Standard rating history
Last 12 months — activity & highlights
Top opponent
Evolution
-8
1642 → 1634
Tournaments
9
19 games
Score
9/ 1947.4%
7W4D8L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
9 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Mar 2026 | 0.5/1 | #36 | 1885 | +12.8 |
Team | Feb 2026 | 0/2 | #67 | 1013 | -22.8 |
Team | Jan 2026 | 0/1 | #61 | 870 | -19.6 |
Team | Nov 2025 | 0/1 | #110 | 745 | -24.8 |
Team | Nov 2025 | 1/1 | #19 | 2704 | +33.2 |
Rankings
/
Czech Republic
#4,605
out of 6,368 players
Europe
#91,003
in continent
World
#133,646
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 |
| ... | ||
| 4605 | 1,634 | |
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 |
| ... | ||
| 91003 | 1,634 | |
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 |
| ... | ||
| 133646 | 1,634 | |