"ENEA Operator zasila szachy" - turniej klasyfikacyjny dla juniorow
Open SwissStandard
14 players participated in this 7-round tournament, held from 15 Nov 2025 to 23 Nov 2025 in Poznan, Poland. Top 10 Elo average was 1263, and top seed was Mateusz Pachura (🇵🇱 POL, 1764).
Jan Marcinkowski (🇵🇱 POL, 1668) won with 6.0/7, ahead of Mateusz Pachura (5.5) and Witold Raburski (4.5). Marcinkowski shared the lead from round 5 and won solo starting round 6.
Location
🇵🇱Poznan, Poland
Dates
15 Nov 2025 → 23 Nov 2025
Time control
Standard: 90 minutes for the whole game
System
Swiss · 7 rounds
Federations · 1 represented
🇵🇱Poland×14
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsJan Marcinkowski led from R6; +0.5-point edge over the runner-up.
Co-leaders
5
2
1
1
2
1
1
R4 · LEADER CHANGE16 Nov
Mateusz Pachura takes the sole lead (3.5/4).
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Jan Marcinkowski beat Mateusz Pachura (White).
WIN STREAKS · 2 top finishers
Jan Marcinkowski 4 wins (R4–R7)Michal Kolodziejczyk 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Jan Marcinkowski | * | 1 | 0 | 1 |
| 2Mateusz Pachura | 0 | * | 1 | 1 |
| 3Michal Kolodziejczyk | 1 | 0 | * | 0 |
| 4Witold Raburski | 0 | 0 | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Marcinkowski, Jan | 1668 | POL | +12N | +6B | −4N | +5B | +2B | +3N | +8N | 6.0 | 25.0 | 27.5 | 23.00 | 2379 | +63.2 |
| 2 | Pachura, Mateusz | 1764 | POL | +3B | =5N | +13B | +4B | −1N | +6B | +11N | 5.5 | 25.0 | 27.5 | 19.50 | 1711 | -10.4 |
| 3 | Raburski, Witold | 1465 | POL | −2N | +8B | +6N | +7B | +4N | −1B | =5B | 4.5 | 27.0 | 30.0 | 16.50 | 1610 | +36.0 |
| 4 | Kolodziejczyk, Michal | 0 | POL | +11B | +9N | +1B | −2N | −3B | +5N | =6B | 4.5 | 26.5 | 29.0 | 17.25 | 1617 | 0.0 |
| 5 | Sura, Wiktor | 1602 | POL | +8B | =2B | +7N | −1N | +12B | −4B | =3N | 4.0 | 27.0 | 29.5 | 14.00 | 1609 | +1.2 |
| 6 | Kotok, Denys | 1488 | POL | +14B | −1N | −3B | +9N | +8B | −2N | =4N | 3.5 | 26.5 | 27.5 | 9.25 | 1396 | -19.2 |
| 7 | Kotok, Danylo | 1543 | POL | =13B | +11N | −5B | −3N | +9B | −10N | +14B | 3.5 | 19.5 | 20.5 | 7.75 | 1533 | -2.4 |
| 8 | Hofman, Krzysztof | 0 | POL | −5N | −3N | +11B | +10B | −6N | +13N | −1B | 3.0 | 23.5 | 26.0 | 8.00 | 1322 | 0.0 |
| 9 | Ceglowski, Kajetan | 1507 | POL | =10N | −4B | =12N | −6B | −7N | +14B | +13B | 3.0 | 19.5 | 20.5 | 6.25 | 714 | -34.4 |
| 10 | Szubert, Przemyslaw | 0 | POL | =9B | −13N | =14B | −8N | −11N | +7B | +12B | 3.0 | 17.0 | 18.0 | 8.00 | 1535 | 0.0 |
| 11 | Cichuta, Alan | 1597 | POL | −4N | −7B | −8N | =14N | +10B | +12N | −2B | 2.5 | 22.0 | 23.0 | 6.00 | 854 | -34.0 |
| 12 | Gonera, Leon | 0 | POL | −1B | +14N | =9B | +13N | −5N | −11B | −10N | 2.5 | 21.0 | 22.0 | 5.00 | 1259 | 0.0 |
| 13 | Szczepaniak, Ignacy | 0 | POL | =7N | +10B | −2N | −12B | +14N | −8B | −9N | 2.5 | 20.5 | 21.5 | 5.75 | 1318 | 0.0 |
| 14 | Tsurenko, Vladislav | 0 | POL | −6N | −12B | =10N | =11B | −13B | −9N | −7N | 1.0 | 18.0 | 20.5 | 2.75 | 1201 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Marcinkowski, JanPOL+63.26.0 pts · #2
- 2Raburski, WitoldPOL+36.04.5 pts · #4
- 3Sura, WiktorPOL+1.24.0 pts · #6
Top rating losers
- 1Ceglowski, KajetanPOL-34.43.0 pts · #14
- 2Cichuta, AlanPOL-34.02.5 pts · #13
- 3Kotok, DenysPOL-19.23.5 pts · #8