Open regional chess tournament-C, dedicated to the Constitution Day of Ukraine 2025
Open SwissStandard
12 players participated in this 9-round tournament, held from 01 Jul 2025 to 04 Jul 2025 in Poltava, Poltava region, Ukraine. Top 10 Elo average was 1593, and top seed was Volodymyr Tsushko (🇺🇦 UKR, 1866).
Tymofii Petrenko (🇺🇦 UKR, 1700) won with 7.0/9, ahead of Denys Hrinchenko (5.5) and Evhenii Liubchenko (5.5).
The biggest upset came in round 3: Mykhailo Podolian (1503) beat Viktor Bardar (1816), a +313-point gap.
Location
🇺🇦Poltava, Poltava region, Ukraine
Dates
01 Jul 2025 → 04 Jul 2025
Time control
Standard: 40 minutes for the game with 30 seconds increment from move 1
System
Swiss · 9 rounds
Avg top 10
1,593
Participants
12
Federations · 1 represented
🇺🇦Ukraine×12
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsCo-leaders
7
3
1
1
1
1
1
1
1
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Tymofii Petrenko drew with Denys Hrinchenko (White).
R4–R9 · UNBEATEN
Tymofii Petrenko went unbeaten across 6 games (R4–R9).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Tymofii Petrenko | * | ½ | 1 | 1 |
| 2Denys Hrinchenko | ½ | * | ½ | ½ |
| 3Evhenii Liubchenko | 0 | ½ | * | — |
| 4Yehor Dudka | 0 | ½ | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Petrenko, Tymofii | 1700 | UKR | +7B | +4N | −?B | +10N | =2B | +11N | +3B | =?N | +5B | 7.0 | 31.0 | 31.0 | 28.25 | 2003 | +63.2 |
| 2 | Hrinchenko, Denys | 1685 | UKR | +10B | +11N | =4B | −?N | =1N | =3B | =?B | =5N | +9B | 5.5 | 32.5 | 32.5 | 21.50 | 1802 | +31.2 |
| 3 | Liubchenko, Evhenii | 1788 | UKR | +12B | −?N | +7B | −11N | +10B | =2N | −1N | +8B | +?B | 5.5 | 27.5 | 27.5 | 14.75 | 1592 | -49.2 |
| 4 | Dudka, Yehor | 1633 | UKR | +6N | −1B | =2N | =9B | =5N | =8B | −?N | +12B | +7N | 5.0 | 34.0 | 34.0 | 18.00 | 1642 | +3.6 |
| 5 | Klimenko, Nikita | 0 | UKR | −?B | +12N | −8B | +7N | =4B | =6N | +10B | =2B | −1N | 4.5 | 34.0 | 34.0 | 15.50 | 1533 | 0.0 |
| 6 | Blazhko, Andrii | 1478 | UKR | −4B | −7N | +12B | −?N | −9N | =5B | +8N | +11B | +10B | 4.5 | 28.5 | 28.5 | 13.25 | 1491 | +3.6 |
| 7 | Nalivaiko, Yehor | 1524 | UKR | −1N | +6B | −3N | −5B | +12N | =9B | +11B | =10N | −4B | 4.0 | 37.0 | 37.5 | 11.75 | 1567 | +5.6 |
| 8 | Shcherbak, Kyrylo | 1497 | UKR | −9N | −10B | +5N | +12B | =?B | =4N | −6B | −3N | +11N | 4.0 | 30.5 | 30.5 | 10.50 | 1460 | -11.6 |
| 9 | Ananiev, Yelisei | 1609 | UKR | +8B | −?N | −11B | =4N | +6B | =7N | +12N | −?B | −2N | 4.0 | 26.5 | 26.5 | 13.50 | 1562 | -14.8 |
| 10 | Podolian, Mykhailo | 1503 | UKR | −2N | +8N | +?B | −1B | −3N | +12B | −5N | =7B | −6N | 3.5 | 35.5 | 35.5 | 6.50 | 1422 | 0.0 |
| 11 | Loburets, Mark | 1509 | UKR | +?B | −2B | +9N | +3B | −?N | −1B | −7N | −6N | −8B | 3.0 | 34.5 | 34.5 | 9.50 | 1456 | -31.6 |
| 12 | Lytvynenko, Anastasiia | 0 | UKR | −3N | −5B | −6N | −8N | −7B | −10N | −9B | −4N | =?B | 0.5 | 35.0 | 35.0 | 0.00 | 791 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Petrenko, TymofiiUKR+63.27.0 pts · #1
- 2Hrinchenko, DenysUKR+31.25.5 pts · #3
- 3Nalivaiko, YehorUKR+5.64.0 pts · #7
Top rating losers
- 1Liubchenko, EvheniiUKR-49.25.5 pts · #5
- 2Loburets, MarkUKR-31.63.0 pts · #8
- 3Ananiev, YeliseiUKR-14.84.0 pts · #4
Biggest upsets
- R3+313 Elo gap
- R1+307 Elo gap
- R4+279 Elo gap