Ploiesti moves intelligently - Prahova County Chess Championship
Open SwissStandard
44 players participated in this 7-round tournament, held from 02 Oct 2025 to 05 Oct 2025 in Ploiesti, Romania. 6 titled players. Top 10 Elo average was 2076, and top seed was Claudiu-Cristian Dobre (🇷🇴 ROU, IM, 2283).
Cristian-Stefan Serban (🇷🇴 ROU, FM, 2236) won with 6.5/7, ahead of Claudiu-Cristian Dobre (5.5) and Nicolai Barbu (5.0). Serban won solo starting round 5.
The biggest upset came in round 5: Lucas-Andrei Nitu (1518) beat Valeriu Zafiu (1858), a +340-point gap.
Location
🇷🇴Ploiesti, Romania
Dates
02 Oct 2025 → 05 Oct 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Titled players · 6
IM×1
FM×4
WCM×1
Federations · 1 represented
🇷🇴Romania×41
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsFM Cristian-Stefan Serban led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
Co-leaders
17
7
3
2
1
1
1
R5–R7 · LEAD HELD
FM Cristian-Stefan Serban never relinquished the lead after R5; final gap +1.0 over the runner-up.
R4 · HEAD-TO-HEAD · WINNER VS 2ND
FM Cristian-Stefan Serban beat IM Claudiu-Cristian Dobre (White).
WIN STREAKS · 2 top finishers
FM Cristian-Stefan Serban 6 wins (R1–R6)IM Claudiu-Cristian Dobre 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1FMCristian-Stefan Serban | * | 1 | 1 | 1 |
| 2IMClaudiu-Cristian Dobre | 0 | * | — | — |
| 3Yanis-Andrei Ganea | 0 | — | * | ½ |
| 4FMNicolai Barbu | 0 | — | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Serban, Cristian-StefanFM | 2236 | ROU | +11N | +5B | +3N | +2B | +4N | +10N | =6B | 6.5 | 29.0 | 33.0 | 30.75 | 2442 | +25.8 |
| 2 | Dobre, Claudiu-CristianIM | 2283 | ROU | +13B | +15N | +12B | −1N | +6N | +4B | =9N | 5.5 | 28.5 | 32.5 | 23.75 | 2260 | -0.4 |
| 3 | Barbu, NicolaiFM | 1978 | ROU | +21B | +7N | −1B | +36N | =9N | +20B | =5N | 5.0 | 27.5 | 29.5 | 18.25 | 2012 | +8.8 |
| 4 | Constantinoiu, Alexandru IoanFM | 2084 | ROU | +24N | +17B | +16N | +23B | −1B | −2N | +10B | 5.0 | 27.0 | 30.0 | 18.00 | 2131 | +24.0 |
| 5 | Ganea, Yanis-Andrei | 1884 | ROU | +28B | −1N | +32B | +13N | =7B | +18N | =3B | 5.0 | 26.5 | 28.5 | 17.25 | 1952 | +28.4 |
| 6 | Bulau, Andrei-Cristian | 2199 | ROU | +14B | F | +10N | +18N | −2B | +7N | =1N | 4.5 | 28.0 | 28.0 | 19.25 | 2162 | +1.0 |
| 7 | Plesea, Luca-Matias | 1827 | ROU | +34N | −3B | +42N | +8B | =5N | −6B | +11N | 4.5 | 25.0 | 26.0 | 14.00 | 1938 | +37.6 |
| 8 | Vezeteu, Marian-Daniel | 2075 | ROU | +32B | −10N | +14B | −7N | +33B | +13N | =16B | 4.5 | 22.5 | 24.5 | 14.00 | 1869 | -28.4 |
| 9 | Cimpoiasu, Dan | 1855 | ROU | F | =18N | +37B | +12N | =3B | +30N | =2B | 4.5 | 22.5 | 22.5 | 15.50 | 2108 | +39.0 |
| 10 | Calugareanu, Ioana-DenisaWCM | 1879 | ROU | +26N | +8B | −6B | +30N | +11N | −1B | −4N | 4.0 | 27.5 | 30.0 | 14.00 | 2019 | +52.8 |
| 11 | Sandulescu, Gheorghe | 1694 | ROU | −1B | +22N | +40B | +21N | −10B | +14N | −7B | 4.0 | 26.0 | 27.0 | 12.00 | 1764 | +9.4 |
| 12 | Popescu, Alexandru-Mihai | 2015 | ROU | +19N | +20B | −2N | −9B | F | +29N | +18B | 4.0 | 23.5 | 23.5 | 13.50 | 1943 | -12.8 |
| 13 | Cimpoiasu, Marina-Corina | 1700 | ROU | −2N | +25B | +44N | −5B | +37N | −8B | +24N | 4.0 | 23.0 | 23.0 | 8.00 | 1786 | +9.8 |
| 14 | Cinatti, Laurentiu | 1690 | ROU | −6N | +26B | −8N | +31B | +25N | −11B | +23N | 4.0 | 22.0 | 24.5 | 11.50 | 1819 | +21.0 |
| 15 | Turlea, Constantin | 1911 | ROU | +25N | −2B | +19N | −20B | =24N | =23B | +26N | 4.0 | 21.5 | 24.5 | 12.50 | 1811 | -13.8 |
| 16 | Telea, Stefan | 1930 | ROU | +22B | +40N | −4B | F | =20N | +19B | =8N | 4.0 | 21.0 | 21.0 | 12.00 | 1888 | -1.2 |
| 17 | Zafiu, Valeriu | 1858 | ROU | +35B | −4N | =21B | =27N | −22B | +37B | +25N | 4.0 | 20.0 | 22.0 | 10.25 | 1602 | -66.8 |
| 18 | Grigoras, Alexandru-Nicolae | 1732 | ROU | +41N | =9B | +31N | −6B | +23N | −5B | −12N | 3.5 | 23.5 | 24.5 | 8.75 | 1866 | +17.4 |
| 19 | Grigorescu, Stefan | 1585 | ROU | −12B | +35N | −15B | +28N | +36B | −16N | =27B | 3.5 | 20.0 | 22.0 | 8.50 | 1698 | +24.8 |
| 20 | Anuta, Elefterie-Laurentiu | 1812 | ROU | +38B | −12N | +39B | +15N | =16B | −3N | F | 3.5 | 20.0 | 20.0 | 9.00 | 1854 | +7.6 |
| 21 | Neagu, Mihai-Adrian | 1573 | ROU | −3N | +41B | =17N | −11B | −26N | +38B | +33B | 3.5 | 19.5 | 20.5 | 6.50 | 1543 | -15.2 |
| 22 | Nitu, Lucas-Andrei | 1518 | ROU | −16N | −11B | +29N | +43B | +17N | F | =30B | 3.5 | 18.0 | 18.0 | 8.75 | 1785 | +58.0 |
| 23 | Lazar, Iosif | 1944 | ROU | +29N | =31B | +27B | −4N | −18B | =15N | −14B | 3.0 | 22.5 | 25.0 | 9.25 | 1694 | -41.6 |
| 24 | Popa, Marian | 1685 | ROU | −4B | +28N | −30B | +39N | =15B | =27N | −13B | 3.0 | 21.5 | 23.0 | 8.00 | 1674 | -5.8 |
| 25 | Grigorescu, Mihai | 1484 | ROU | −15B | −13N | +35B | +40N | −14B | +36N | −17B | 3.0 | 20.0 | 21.0 | 5.00 | 1543 | +4.8 |
| 26 | Calugareanu, Kevin Gabriel | 0 | ROU | −10B | −14N | +38B | −33N | +21B | +32N | −15B | 3.0 | 19.5 | 21.0 | 7.00 | 1542 | +34.0 |
| 27 | Matala, Anthony-Radu | 1460 | ROU | F | +33B | −23N | =17B | =31N | =24B | =19N | 3.0 | 18.0 | 18.0 | 8.50 | 1704 | +68.4 |
| 28 | Nitu, Teodora-Stefania | 1459 | ROU | −5N | −24B | +34N | −19B | +43N | F | +40B | 3.0 | 15.0 | 15.0 | 3.50 | 909 | -24.8 |
| 29 | Pavel, Nicholas-Christian | 1521 | ROU | −23B | +38N | −22B | +41N | F | −12B | +39N | 3.0 | 14.5 | 14.5 | 4.00 | 1511 | -11.6 |
| 30 | Levay, SorinFM | 2019 | ROU | F | F | +24N | −10B | +32N | −9B | =22N | 2.5 | 17.0 | 17.0 | 6.75 | 1731 | -32.6 |
| 31 | Tupilusi, Tudorel | 1705 | ROU | +44B | =23N | −18B | −14N | =27B | =39N | F | 2.5 | 15.0 | 15.0 | 3.75 | 1504 | -26.4 |
| 32 | Ionescu, Marin-Victor | 1595 | ROU | −8N | +34B | −5N | F | −30B | −26B | +35N | 2.0 | 19.0 | 20.0 | 4.00 | 1022 | -43.2 |
| 33 | Marin, Alexia-Iuliana | 1532 | ROU | F | −27N | F | +26B | −8N | +34B | −21N | 2.0 | 16.0 | 16.0 | 5.00 | 1400 | -16.0 |
| 34 | Dobre, Tiberiu-Costin | 0 | ROU | −7B | −32N | −28B | +35N | +41B | −33N | −36B | 2.0 | 15.5 | 16.5 | 3.00 | 841 | 0.0 |
| 35 | Alexe, Octavian-Andrei | 0 | ROU | −17N | −19B | −25N | −34B | +40B | +41N | −32B | 2.0 | 15.5 | 16.5 | 2.00 | 830 | 0.0 |
| 36 | Soare, Flavius-Alexandru | 1790 | ROU | F | F | +43N | −3B | −19N | −25B | +34N | 2.0 | 14.0 | 14.0 | 2.50 | 879 | -37.8 |
| 37 | Doncu Petcu, Adriana Aylin | 1489 | ROU | F | F | −9N | +44B | −13B | −17N | +42B | 2.0 | 13.5 | 13.5 | 1.00 | 1524 | +0.8 |
| 38 | Melenciuc, Luca-Alexandru | 0 | ROU | −20N | −29B | −26N | F | =42B | −21N | +43B | 1.5 | 14.5 | 14.5 | 1.00 | 1188 | 0.0 |
| 39 | Dutescu, Teodora | 1436 | ROU | F | F | −20N | −24B | +44N | =31B | −29B | 1.5 | 12.0 | 12.0 | 1.25 | 1361 | -13.6 |
| 40 | FIDE 42258740 | 0 | — | F | −16B | −11N | −25B | −35N | +44B | −28N | 1.0 | 16.0 | 16.0 | 0.00 | 839 | 0.0 |
| 41 | FIDE 42258723 | 0 | — | −18B | −21N | F | −29B | −34N | −35B | +44N | 1.0 | 14.0 | 14.0 | 0.00 | 813 | 0.0 |
| 42 | Matala, Sophia-Lenina | 1427 | ROU | F | F | −7B | F | =38N | =43B | −37N | 1.0 | 10.5 | 10.5 | 1.00 | 857 | -22.0 |
| 43 | Doncu, Ion-Alexandru | 0 | ROU | F | F | −36B | −22N | −28B | =42N | −38N | 0.5 | 11.0 | 11.0 | 0.50 | 1235 | 0.0 |
| 44 | FIDE 42258731 | 0 | — | −31N | F | −13B | −37N | −39B | −40N | −41B | 0.0 | 12.0 | 12.0 | 0.00 | 784 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Matala, Anthony-RaduROU+68.43.0 pts · #16
- 2Nitu, Lucas-AndreiROU+58.03.5 pts · #22
- 3Calugareanu, Ioana-DenisaWCMROU+52.84.0 pts · #9
Top rating losers
- 1Zafiu, ValeriuROU-66.84.0 pts · #18
- 2Ionescu, Marin-VictorROU-43.22.0 pts · #41
- 3Lazar, IosifROU-41.63.0 pts · #15
Biggest upsets
- R5+340 Elo gap
- R6+306 Elo gap
- R7+254 Elo gap