Mistrzostwa Klubu KSz Krol Batory Otwock w Szachach Klasycznych 2025
Open SwissStandard
12 players participated in this 5-round tournament, held from 09 May 2025 to 06 Jun 2025 in Otwock, Poland. 2 federations represented. Top 10 Elo average was 1058, and top seed was Gustaw Siennicki (🇵🇱 POL, 1991).
Gustaw Siennicki (🇵🇱 POL, 1991) won with 5.0/5, ahead of Pawel Traczyk (3.5) and Ludwik Siennicki (3.0). Siennicki won solo starting round 3.
Location
🇵🇱Otwock, Poland
Dates
09 May 2025 → 06 Jun 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Federations · 2 represented
🇵🇱Poland×10
🇺🇦Ukraine×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsGustaw Siennicki led from R3; +1.5-point edge over the runner-up.
Co-leaders
6
3
1
1
1
R3–R5 · LEAD HELD
Gustaw Siennicki never relinquished the lead after R3; final gap +1.5 over the runner-up.
R2 · HEAD-TO-HEAD · WINNER VS 2ND
Gustaw Siennicki beat Pawel Traczyk (Black).
R1–R5 · WIN STREAK
Gustaw Siennicki won 5 in a row (R1–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Gustaw Siennicki | * | 1 | 1 | 1 |
| 2Pawel Traczyk | 0 | * | — | 1 |
| 3Zbigniew Stefaniuk | 0 | — | * | — |
| 4Adam Borkowski | 0 | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Siennicki, Gustaw | 1991 | POL | +4B | +2N | +5B | +6N | +3B | 5.0 | 12.5 | 15.5 | 15.50 | 2579 | +37.2 |
| 2 | Traczyk, Pawel | 1679 | POL | +9N | −1B | =7N | +8B | +4B | 3.5 | 12.0 | 14.0 | 8.00 | 1871 | +14.6 |
| 3 | Siennicki, Ludwik | 1826 | POL | +11B | +6N | −4B | +5N | −1N | 3.0 | 14.0 | 15.5 | 7.50 | 1742 | -13.6 |
| 4 | Borkowski, Adam | 1774 | POL | −1N | +9B | +3N | +7B | −2N | 3.0 | 13.5 | 15.5 | 7.00 | 1707 | -5.6 |
| 5 | Stefaniuk, Zbigniew | 1836 | POL | +7N | +8B | −1N | −3B | +9N | 3.0 | 12.0 | 14.0 | 6.00 | 1639 | -14.0 |
| 6 | Zirka, Oleksii | 0 | UKR | +12N | −3B | +8N | −1B | +10N | 3.0 | 12.0 | 12.0 | 4.00 | 1639 | 0.0 |
| 7 | Blankiewicz, Dominik | 0 | POL | −5B | +10N | =2B | −4N | =11B | 2.0 | 11.5 | 13.0 | 4.50 | 1490 | 0.0 |
| 8 | Borzym, Radoslaw | 1474 | POL | +10B | −5N | −6B | −2N | +12B | 2.0 | 11.5 | 11.5 | 2.00 | 958 | -6.8 |
| 9 | Soltysik, Tadeusz | 0 | POL | −2B | −4N | +11B | +12N | −5B | 2.0 | 11.0 | 11.0 | 1.50 | 963 | 0.0 |
| 10 | Grudzien, Jan | 0 | POL | −8N | −7B | +12N | +11N | −6B | 2.0 | 8.5 | 8.5 | 1.50 | 674 | 0.0 |
| 11 | Kepa, Krzysztof | 0 | POL | −3N | +12B | −9N | −10B | =7N | 1.5 | 9.0 | 9.0 | 1.00 | 1026 | 0.0 |
| 12 | FIDE 545024430 | 0 | — | −6B | −11N | −10B | −9B | −8N | 0.0 | 9.0 | 10.5 | 0.00 | 674 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Siennicki, GustawPOL+37.25.0 pts · #1
- 2Traczyk, PawelPOL+14.63.5 pts · #2
- 3Zirka, OleksiiUKR0.03.0 pts · #5
Top rating losers
- 1Stefaniuk, ZbigniewPOL-14.03.0 pts · #3
- 2Siennicki, LudwikPOL-13.63.0 pts · #6
- 3Borzym, RadoslawPOL-6.82.0 pts · #12