Ogolnopolski Turniej Szachowy CROSS Warszawa
Open SwissStandard
36 players participated in this 9-round tournament, held from 11 Aug 2025 to 19 Aug 2025 in Sekocin Stary, Poland. Top 10 Elo average was 1737, and top seed was Marian Kowalczyk (🇵🇱 POL, 1921).
Marian Kowalczyk (🇵🇱 POL, 1921) won with 7.5/9, ahead of Miroslaw Kopiec (7.0) and Karol Nowak (6.5). Kowalczyk shared the lead from round 6 and won solo starting round 7.
The biggest upset came in round 8: Karol Nowak (1644) beat Stanislaw Niecko (1827), a +183-point gap.
Location
🇵🇱Sekocin Stary, Poland
Dates
11 Aug 2025 → 19 Aug 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Federations · 1 represented
🇵🇱Poland×34
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsMarian Kowalczyk led from R7; +0.5-point edge over the runner-up.
Co-leaders
16
5
2
1
1
2
1
1
1
R7 · LEADER CHANGE16 Aug
Marian Kowalczyk takes the sole lead (6.0/7).
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Marian Kowalczyk drew with Miroslaw Kopiec (Black).
WIN STREAKS · 2 top finishers
Marian Kowalczyk 3 wins (R6–R8)Miroslaw Kopiec 4 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Marian Kowalczyk | * | ½ | ½ | 1 |
| 2Miroslaw Kopiec | ½ | * | ½ | 0 |
| 3Karol Nowak | ½ | ½ | * | 1 |
| 4Stanislaw Niecko | 0 | 1 | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kowalczyk, Marian | 1921 | POL | +25B | =6N | +10B | +15N | =2N | +7B | +4B | +5N | =3B | 7.5 | 45.5 | 49.0 | 39.50 | 1947 | +7.0 |
| 2 | Kopiec, Miroslaw | 1816 | POL | +32B | +8N | +7B | +5N | =1B | −4N | =3B | +15N | +6B | 7.0 | 46.5 | 49.5 | 36.50 | 1896 | +18.6 |
| 3 | Nowak, Karol | 1644 | POL | +21B | =20N | =14B | +26N | =5B | +11N | =2N | +4B | =1N | 6.5 | 44.0 | 47.5 | 33.00 | 1868 | +47.0 |
| 4 | Niecko, Stanislaw | 1827 | POL | =17N | =11B | +16N | +12B | +19N | +2B | −1N | −3N | +5B | 6.0 | 45.0 | 49.0 | 30.50 | 1791 | -5.0 |
| 5 | Niedzwiedz, Antoni | 1702 | POL | +23N | +19B | +12N | −2B | =3N | +6B | +7N | −1B | −4N | 5.5 | 47.0 | 51.0 | 27.25 | 1767 | +17.0 |
| 6 | Kosinski, Stanislaw | 1641 | POL | +28B | =1B | −15N | +18N | +8B | −5N | +13B | +10B | −2N | 5.5 | 44.0 | 47.5 | 26.75 | 1682 | +6.8 |
| 7 | Wyzinski, Zbigniew | 1671 | POL | +29N | +22B | −2N | +13B | +9N | −1N | −5B | =12B | +27N | 5.5 | 43.0 | 46.5 | 24.00 | 1683 | +4.0 |
| 8 | Chudoba, Bozena | 1626 | POL | +30N | −2B | =17N | +22B | −6N | +9B | =12N | +13B | =11N | 5.5 | 41.0 | 44.5 | 25.00 | 1645 | +3.0 |
| 9 | Kopec, Kazimierz | 1671 | POL | +27B | −10N | =18B | +20N | −7B | −8N | +21B | +17N | +15B | 5.5 | 36.5 | 40.0 | 22.00 | 1596 | -14.2 |
| 10 | Lysak, Lech | 1620 | POL | +34N | +9B | −1N | =11B | =17N | +16B | =15B | −6N | =14B | 5.0 | 41.5 | 44.5 | 22.25 | 1661 | +7.8 |
| 11 | Koczot, Leszek | 1714 | POL | =18B | =4N | +20B | =10N | =15B | −3B | +16N | =19N | =8B | 5.0 | 40.0 | 44.0 | 23.00 | 1641 | -17.4 |
| 12 | Haciuk, Andrzej | 1643 | POL | +24N | +13B | −5B | −4N | +29B | =26N | =8B | =7N | =19B | 5.0 | 39.0 | 42.5 | 21.75 | 1578 | -12.4 |
| 13 | Konarski, Wieslaw | 0 | POL | +26B | −12N | +25B | −7N | +14B | +19B | −6N | −8N | +18B | 5.0 | 38.0 | 41.5 | 20.00 | 1629 | 0.0 |
| 14 | Olejnik, Bernard | 1761 | POL | +16N | =15B | =3N | −19B | −13N | +18N | =17B | +22B | =10N | 5.0 | 37.5 | 41.5 | 22.50 | 1651 | -21.6 |
| 15 | Gembski, Mateusz | 1626 | POL | +35B | =14N | +6B | −1B | =11N | +17B | =10N | −2B | −9N | 4.5 | 44.5 | 47.5 | 20.00 | 1661 | +6.8 |
| 16 | Jagiello, Adolf | 1471 | POL | −14B | +35N | −4B | +21N | +20B | −10N | −11B | +28N | =17B | 4.5 | 36.5 | 39.5 | 16.50 | 1461 | -3.4 |
| 17 | Wewersowicz, Eugenia | 1492 | POL | =4B | =18N | =8B | +32N | =10B | −15N | =14N | −9B | =16N | 4.0 | 40.0 | 43.0 | 18.00 | 1567 | +17.0 |
| 18 | Skowronek, Jozef | 1447 | POL | =11N | =17B | =9N | −6B | +24N | −14B | =23N | +25B | −13N | 4.0 | 38.0 | 41.5 | 16.75 | 1552 | +13.8 |
| 19 | Krupecka-Bakalarz, Danuta | 1586 | POL | +36B | −5N | +33B | +14N | −4B | −13N | F | =11B | =12N | 4.0 | 38.0 | 40.0 | 15.00 | 1657 | +8.4 |
| 20 | Turzynski, Stefan | 1516 | POL | +31N | =3B | −11N | −9B | −16N | +34B | −25N | =30B | +32N | 4.0 | 35.0 | 38.0 | 14.50 | 1381 | -20.4 |
| 21 | Galuszka, Andrzej | 0 | POL | −3N | +31B | −22N | −16B | +36N | =23B | −9N | +33B | =24B | 4.0 | 35.0 | 37.0 | 12.50 | 1184 | 0.0 |
| 22 | Gadzala, Henryk | 1540 | POL | +33B | −7N | +21B | −8N | −26B | +29N | =27B | −14N | =23B | 4.0 | 34.5 | 37.5 | 14.25 | 1396 | -27.6 |
| 23 | Korbela, Anna | 1423 | POL | −5B | +36N | −26B | =28N | =33B | =21N | =18B | =24N | =22N | 4.0 | 31.5 | 33.5 | 13.25 | 1376 | -5.2 |
| 24 | Bielski, Tadeusz | 0 | POL | −12B | −26N | +36B | =27N | −18B | +35N | =28B | =23B | =21N | 4.0 | 30.5 | 32.5 | 12.50 | 1263 | 0.0 |
| 25 | Raczek, Zbigniew | 1509 | POL | −1N | =28B | −13N | =31B | =34N | =30B | +20B | −18N | =29B | 3.5 | 34.5 | 37.5 | 12.50 | 1490 | -11.6 |
| 26 | Czarnecki, Zbigniew | 1567 | POL | −13N | +24B | +23N | −3B | +22N | =12B | F | F | — | 3.5 | 32.5 | 36.0 | 14.50 | 1658 | +9.6 |
| 27 | Szalbierz, Barbara | 1414 | POL | −9N | =34B | =30N | =24B | =28B | +33N | =22N | F | −7B | 3.5 | 32.5 | 35.5 | 12.00 | 1354 | -4.2 |
| 28 | Leskiewicz, Barbara | 0 | POL | −6N | =25N | =32B | =23B | =27N | =31B | =24N | −16B | =30N | 3.5 | 32.0 | 35.0 | 12.50 | 1357 | 0.0 |
| 29 | Jankowski, Jan | 1414 | POL | −7B | −33N | +34N | +30B | −12N | −22B | =31N | =32B | =25N | 3.5 | 31.0 | 34.0 | 11.50 | 1319 | -11.2 |
| 30 | Potrykus, Lidia | 0 | POL | −8B | =32N | =27B | −29N | =35B | =25N | =33B | =20N | =28B | 3.5 | 29.5 | 32.5 | 11.75 | 1361 | 0.0 |
| 31 | FIDE 41886801 | 0 | — | −20B | −21N | =35B | =25N | =32B | =28N | =29B | =36N | =34B | 3.5 | 27.5 | 29.5 | 10.75 | 1380 | 0.0 |
| 32 | Jurczak, Teresa | 1489 | POL | −2N | =30B | =28N | −17B | =31N | =36B | =35N | =29N | −20B | 3.0 | 32.0 | 34.0 | 9.50 | 1236 | -36.8 |
| 33 | Adamus, Adrian | 0 | POL | −22N | +29B | −19N | =34B | =23N | −27B | =30N | −21N | =35B | 3.0 | 29.5 | 32.5 | 10.25 | 1328 | 0.0 |
| 34 | Smietana, Barbara | 0 | POL | −10B | =27N | −29B | =33N | =25B | −20N | =36N | =35B | =31N | 3.0 | 29.0 | 31.0 | 9.25 | 1255 | 0.0 |
| 35 | Kowalska, Katarzyna | 0 | POL | −15N | −16B | =31N | =36B | =30N | −24B | =32B | =34N | =33N | 3.0 | 29.0 | 31.0 | 9.00 | 1234 | 0.0 |
| 36 | FIDE 545036080 | 0 | — | −19N | −23B | −24N | =35N | −21B | =32N | =34B | =31B | F | 2.0 | 28.5 | 28.5 | 6.25 | 1208 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Nowak, KarolPOL+47.06.5 pts · #5
- 2Kopiec, MiroslawPOL+18.67.0 pts · #2
- 3Wewersowicz, EugeniaPOL+17.04.0 pts · #12
Top rating losers
- 1Jurczak, TeresaPOL-36.83.0 pts · #33
- 2Gadzala, HenrykPOL-27.64.0 pts · #20
- 3Olejnik, BernardPOL-21.65.0 pts · #6
Biggest upsets
- R8+183 Elo gap
- R4+175 Elo gap