Format
MK
Mastej, Krzysztof
🇵🇱FIDE 21061912· Male· Poland· Born in 2007
Follow Krzysztof MastejTrack his monthly FIDE ratings, games, tournaments and more.
Krzysztof Mastej, a 19-year-old Polish player, is rated 1802. He plays occasionally (2 games in the last 12 months). Recent appearance: DMP V Podkarpacka Liga Seniorow 2025. Also played 4 rapid (including I Otwarte Mistrzostwa Regionu Pieniny) and 5 blitz events (including Memorial Zdzislawa Soliwody i Edwarda Kordasa 2025) recently. His peak of 1846 was reached at age 17 (Sep 2024).
Current rating
1802
Standard
Rpd1949·Blz1725
All-time high
1846
−44 pts below
Sep 2024 · age 17
Sep 2024 · age 17
Activity
23
games / yr avg. · ≈2/mo
2 past 12 mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#75,694
#75,694 · players worldwide · of 216,808
Career timeline
7 entries2026
K-factor lowered to 20
at age 19
Jan 2026
2025
Best 12-month gain (+433 Elo)
1391 → 1824
Feb 2025
2024
Crossed 1800
at age 17
Sep 2024
All-time peak 1846
at age 17 · −44 from today
Sep 2024
Crossed 1600
at age 17
Mar 2024
2023
100 career games
at age 16
Sep 2023
Standard rating history
Last 12 months — activity & highlights
Evolution
-22
1824 → 1802
Tournaments
1
2 games
Score
1/ 250.0%
0W2D0L
Top wins
No noteworthy wins (no Elo gained on any game).
Top losses
Undefeated in the last 12 months.
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Oct 2025 | 1/2 | #77 | 1594 | -22.0 |
Rankings
/
Poland
#1,803
out of 10,756 players
Europe
#54,788
in continent
World
#75,694
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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| ... | ||
| 1803 | 1,802 | |
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 |
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| 10 | 🇹🇷Follow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more. | 2,708 |
| ... | ||
| 54788 | 1,802 | |
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 |
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| ... | ||
| 75694 | 1,802 | |