Mistrzostwa Mazowsza Juniorow 2025 - U13
Open SwissStandard
37 players participated in this 7-round tournament, held from 10 May 2025 to 11 May 2025 in Ciechanow, Poland. Top 10 Elo average was 1620, and top seed was Franciszek Serafin (🇵🇱 POL, 1918).
Piotr Kucewicz (🇵🇱 POL, 1765) won with 5.5/7, ahead of Mark Piasetski (5.0) and Mateusz Strus (5.0).
The biggest upset came in round 3: Mateusz Strus (1682) beat Adam Marcinkowski (1890), a +208-point gap.
Location
🇵🇱Ciechanow, Poland
Dates
10 May 2025 → 11 May 2025
Time control
Standard: 60 minutes for game
System
Swiss · 7 rounds
Avg top 10
1,620
Participants
37
Federations · 1 represented
🇵🇱Poland×26
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsPiotr Kucewicz led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
Co-leaders
20
10
4
2
1
1
1
R6 · LEADER CHANGE11 May
Franciszek Serafin takes the sole lead (5.5/6).
WIN STREAKS · 2 top finishers
Piotr Kucewicz 5 wins (R1–R5)Jakub Procner 3 wins (R5–R7)
R4 · LATE SURGE
Jakub Procner was #17 at R4, climbed to #1 over the final stretch.
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kucewicz, Piotr | 1765 | POL | +24B | +18N | +11B | +3N | +?B | −?N | =5B | 5.5 | 20.5 | 20.5 | 18.00 | 1922 | +23.6 |
| 2 | Piasetski, Mark | 1691 | POL | +27B | +9N | =?B | =12N | +4B | =5N | =3B | 5.0 | 26.0 | 26.0 | 19.00 | 1715 | +7.6 |
| 3 | Strus, Mateusz | 1682 | POL | +32N | +17B | +?N | −1B | =9N | +8B | =2N | 5.0 | 24.5 | 24.5 | 14.50 | 1613 | -14.4 |
| 4 | Lewenstein, Ludwik | 1473 | POL | =10N | +26B | =22N | +7B | −2N | +25B | +12B | 5.0 | 24.0 | 27.0 | 18.50 | 1631 | +26.8 |
| 5 | Wenedisiuk, Gleb | 1542 | POL | +31N | −?B | +10N | +15B | +20N | =2B | =1N | 5.0 | 24.0 | 24.0 | 18.75 | 1727 | +19.2 |
| 6 | Nguyen, Kajetan Linh | 1698 | POL | +28N | +13B | +15N | −?N | −?B | +17B | +9N | 5.0 | 18.0 | 18.0 | 18.00 | 2273 | +17.6 |
| 7 | Procner, Jakub | 0 | POL | −?B | +?B | +?N | −4N | +18B | +22B | +11N | 5.0 | 15.5 | 15.5 | 10.50 | 1586 | 0.0 |
| 8 | Kosiewicz, Jakub | 1496 | POL | +23B | −?N | +24B | =14N | +10B | −3N | +20B | 4.5 | 22.5 | 22.5 | 15.50 | 881 | -10.4 |
| 9 | Kalata, Julia | 1498 | POL | +29N | −2B | +21N | +26B | =3B | =12N | −6B | 4.0 | 25.5 | 28.0 | 13.50 | 1487 | -2.4 |
| 10 | Zawadzki, Jan | 0 | POL | =4B | +19N | −5B | +?B | −8N | =18N | +26B | 4.0 | 24.5 | 24.5 | 10.75 | 1429 | 0.0 |
| 11 | Szuszkiewicz, Stanislaw | 1610 | POL | +21N | +30B | −1N | +17B | +16N | −?N | −7B | 4.0 | 23.5 | 23.5 | 13.00 | 964 | -11.6 |
| 12 | Zawadzki, Antoni | 1651 | POL | +36B | +16N | −?B | =2B | +14N | =9B | −4N | 4.0 | 23.0 | 23.0 | 13.50 | 1424 | -35.6 |
| 13 | Kubiak, Adam | 1445 | POL | +34B | −6N | +27B | −20N | =19B | =14B | +24N | 4.0 | 22.0 | 23.5 | 11.25 | 898 | -7.6 |
| 14 | Slawniak, Jakub | 0 | POL | −?N | +31B | +30N | =8B | −12B | =13N | +22N | 4.0 | 19.5 | 19.5 | 11.25 | 1536 | 0.0 |
| 15 | Czyzmanski, Michal | 0 | POL | +?N | +22B | −6B | −5N | +23B | −?N | +30B | 4.0 | 18.0 | 18.0 | 8.00 | 1383 | 0.0 |
| 16 | Walesiak-Batalha, Aleksander | 0 | POL | +?N | −12B | +?N | +32B | −11B | −?N | +25N | 4.0 | 13.0 | 13.0 | 5.00 | 830 | 0.0 |
| 17 | Malczewska, Zofia | 0 | POL | +33B | −3N | +23B | −11N | +?B | −6N | =19B | 3.5 | 22.5 | 22.5 | 6.75 | 863 | 0.0 |
| 18 | Trzcinski, Brajan | 1507 | POL | +25N | −1B | −32N | +33B | −7N | =10B | +34N | 3.5 | 21.5 | 23.0 | 8.50 | 964 | -7.6 |
| 19 | Salach, Tymoteusz | 0 | POL | =?N | −10B | +28N | =22B | =13N | =20B | =17N | 3.5 | 20.5 | 20.5 | 9.50 | 1501 | 0.0 |
| 20 | Staskiewicz, Mateusz | 0 | POL | −?B | +35N | +?N | +13B | −5B | =19N | −8N | 3.5 | 18.5 | 18.5 | 7.25 | 1498 | 0.0 |
| 21 | FIDE 41836561 | 0 | — | −11B | +33N | −9B | −23N | =34N | +29B | +32N | 3.5 | 17.5 | 19.0 | 7.25 | 756 | 0.0 |
| 22 | Wypior, Olga | 1553 | POL | +37B | −15N | =4B | =19N | +27B | −7N | −14B | 3.0 | 24.5 | 24.5 | 7.25 | 1455 | -5.2 |
| 23 | FIDE 545017646 | 0 | — | −8N | +28B | −17N | +21B | −15N | −26N | +31B | 3.0 | 21.0 | 23.0 | 8.00 | 696 | 0.0 |
| 24 | Goclowska, Oliwia | 0 | POL | −1N | +25B | −8N | =?B | =?N | +31N | −13B | 3.0 | 19.0 | 19.0 | 5.00 | 1230 | 0.0 |
| 25 | FIDE 545017581 | 0 | — | −18B | −24N | +37B | +30N | +?B | −4N | −16B | 3.0 | 17.5 | 17.5 | 2.00 | 682 | 0.0 |
| 26 | Marczak, Maksymilian | 0 | POL | +?B | −4N | +?B | −9N | −?N | +23B | −10N | 3.0 | 16.0 | 16.0 | 3.00 | 678 | 0.0 |
| 27 | FIDE 91157170 | 0 | — | −2N | +29B | −13N | +?B | −22N | +?N | −?B | 3.0 | 14.5 | 14.5 | 2.50 | 748 | 0.0 |
| 28 | FIDE 545017638 | 0 | — | −6B | −23N | −19B | +37N | =29B | −30N | +?B | 2.5 | 16.0 | 16.0 | 1.25 | 898 | 0.0 |
| 29 | FIDE 41836677 | 0 | — | −9B | −27N | +35B | −?B | =28N | −21N | +37B | 2.5 | 14.5 | 14.5 | 2.75 | 705 | 0.0 |
| 30 | FIDE 545017603 | 0 | — | F | −11N | −14B | −25B | +35N | +28B | −15N | 2.0 | 19.0 | 19.0 | 4.00 | 810 | 0.0 |
| 31 | FIDE 91183219 | 0 | — | −5B | −14N | +34B | −?N | +33N | −24B | −23N | 2.0 | 18.5 | 18.5 | 3.50 | 743 | 0.0 |
| 32 | Choromanski, Tymon | 0 | POL | −3B | +34N | +18B | −16N | −?N | −?B | −21B | 2.0 | 17.5 | 17.5 | 5.00 | 1357 | 0.0 |
| 33 | Pikus, Mikolaj | 0 | POL | −17N | −21B | F | −18N | −31B | +36N | +?B | 2.0 | 13.5 | 13.5 | 1.00 | 708 | 0.0 |
| 34 | FIDE 545017573 | 0 | — | −13N | −32B | −31N | F | =21B | +?N | −18B | 1.5 | 15.0 | 15.0 | 1.75 | 677 | 0.0 |
| 35 | Kuitkowski, Tymon | 0 | POL | −?N | −20B | −29N | +36N | −30B | F | =?B | 1.5 | 9.0 | 9.0 | 1.00 | 708 | 0.0 |
| 36 | FIDE 545017565 | 0 | — | −12N | −?B | −?N | −35B | +?N | −33B | F | 1.0 | 7.5 | 7.5 | 0.00 | 777 | 0.0 |
| 37 | FIDE 41859359 | 0 | — | −22N | −?B | −25N | −28B | F | −?N | −29N | 0.0 | 11.0 | 11.0 | 0.00 | 753 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Lewenstein, LudwikPOL+26.85.0 pts · #10
- 2Kucewicz, PiotrPOL+23.65.5 pts · #2
- 3Wenedisiuk, GlebPOL+19.25.0 pts · #14
Top rating losers
- 1Zawadzki, AntoniPOL-35.64.0 pts · #13
- 2Strus, MateuszPOL-14.45.0 pts · #8
- 3Szuszkiewicz, StanislawPOL-11.64.0 pts · #18
Biggest upsets
- R3+208 Elo gap
- R7+178 Elo gap