Mamaia Classic Chess Open
Open SwissStandard
42 players participated in this 7-round tournament, held from 06 Jun 2025 to 09 Jun 2025 in Mamaia, Romania. 1 titled players from 3 federations. Top 10 Elo average was 1921, and top seed was Aurelian Ciobanu (🇷🇴 ROU, 2069).
Daniel-Vasilica Popescu (🇷🇴 ROU, 1977) won with 6.0/7, ahead of Ionut Buzbuchi (6.0) and Petrisor Gavrila (5.0). Popescu won on tie-break after catching the field in the final round.
The biggest upset came in round 2: Andrei Sementov (1797) beat Aurelian Ciobanu (2069), a +272-point gap.
Location
🇷🇴Mamaia, Romania
Dates
06 Jun 2025 → 09 Jun 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Titled players · 1
FM×1
Federations · 3 represented
🇷🇴Romania×39
🇲🇩Moldova×2
🇧🇬Bulgaria×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsTight race until R4; 2 players tied at 6.0/7, decided on Buchholz.
Co-leaders
14
7
3
1
1
1
2
R5 · LEADER CHANGE08 Jun
FM Ionut Buzbuchi takes the sole lead (4.5/5).
R7 · TIEBREAK CLUSTER
2 players finish on 6.0/7. Popescu takes the title on Buchholz Cut1 (28.5).
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Daniel-Vasilica Popescu lost to FM Ionut Buzbuchi (Black).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Daniel-Vasilica Popescu | * | 0 | 1 | — |
| 2FMIonut Buzbuchi | 1 | * | ½ | — |
| 3Alin-Constantin Gulias | 0 | ½ | * | — |
| 4Petrisor Gavrila | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Popescu, Daniel-Vasilica | 1977 | ROU | +14B | +12N | +4B | +10N | −2N | +11B | +6N | 6.0 | 28.5 | 32.5 | 26.50 | 2174 | +30.0 |
| 2 | Buzbuchi, IonutFM | 2034 | ROU | =19N | +16B | +8N | +9N | +1B | +7B | =4N | 6.0 | 28.5 | 32.0 | 27.75 | 2136 | +16.0 |
| 3 | Gavrila, Petrisor | 1877 | ROU | +22N | −8B | +17N | +5B | +9N | −6B | +15N | 5.0 | 26.0 | 29.5 | 20.50 | 1922 | +9.0 |
| 4 | Gulias, Alin-Constantin | 1809 | ROU | +36N | +38B | −1N | +25B | =6N | +17B | =2B | 5.0 | 25.0 | 26.5 | 15.25 | 1904 | +20.2 |
| 5 | Frent-Lung, Gheorghe | 1734 | ROU | +42B | −10N | +40B | −3N | +27B | +12N | +18B | 5.0 | 20.5 | 20.5 | 11.00 | 1901 | +31.6 |
| 6 | Kutnik, Alexandru-Francisc | 1912 | ROU | =13B | +25N | =27B | +12N | =4B | +3N | −1B | 4.5 | 27.0 | 30.0 | 18.00 | 1877 | -3.2 |
| 7 | Ciobanu, Aurelian | 2069 | ROU | +21B | −9N | +14B | +27N | +10B | −2N | =8B | 4.5 | 27.0 | 30.0 | 17.25 | 1912 | -22.8 |
| 8 | Iacob, Ivan-Alexandru | 1778 | ROU | +26B | +3N | −2B | −11N | +19B | +21N | =7N | 4.5 | 27.0 | 30.0 | 17.25 | 1951 | +64.0 |
| 9 | Sementov, Andrei | 1797 | ROU | +30N | +7B | +18N | −2B | −3B | +23N | =10B | 4.5 | 27.0 | 30.0 | 16.75 | 1965 | +31.4 |
| 10 | Dumitrascu, Daniel | 1854 | ROU | +29N | +5B | +20N | −1B | −7N | +25B | =9N | 4.5 | 26.5 | 29.5 | 16.75 | 1901 | +10.4 |
| 11 | Dascalescu, Adelin-Stefan | 1966 | ROU | =17N | F | +33B | +8B | +18N | −1N | +13B | 4.5 | 23.5 | 23.5 | 15.75 | 1969 | +4.8 |
| 12 | Junc, Ioan-Stefan | 1777 | ROU | +37N | −1B | +29N | −6B | +22N | −5B | +25N | 4.0 | 25.0 | 27.0 | 11.50 | 1761 | -1.4 |
| 13 | Ivan, Robert Ioan | 1689 | ROU | =6N | +28B | =19N | =20B | +39N | =15B | −11N | 4.0 | 23.0 | 24.5 | 12.25 | 1882 | +71.6 |
| 14 | Moldovan, Alex | 1701 | ROU | −1N | +30B | −7N | +36B | −31N | +28B | +39N | 4.0 | 21.0 | 22.5 | 9.50 | 1855 | +53.6 |
| 15 | Anastasiu, Vasile | 1775 | ROU | −25B | =24N | +41B | +35N | +26B | =13N | −3B | 4.0 | 20.5 | 21.0 | 9.25 | 1659 | -18.4 |
| 16 | Craciun, Dorian-Raul | 1656 | ROU | F | −2N | −35B | +30N | +33B | +34N | +20B | 4.0 | 18.5 | 18.5 | 10.50 | 1812 | +26.6 |
| 17 | Cimpean, Dragos-Lucian | 1692 | ROU | =11B | +35N | −3B | F | +20N | −4N | +31B | 3.5 | 24.0 | 26.0 | 10.25 | 1851 | +26.0 |
| 18 | Radulescu, Gabriel | 1862 | ROU | +33B | +23N | −9B | +21N | −11B | =31N | −5N | 3.5 | 23.5 | 25.5 | 10.25 | 1772 | -17.0 |
| 19 | Dragomir, Sorin | 1722 | ROU | =2B | +41N | =13B | F | −8N | +38B | =23N | 3.5 | 23.0 | 23.5 | 8.75 | 1759 | +6.0 |
| 20 | Bratu, Gheorghe | 1848 | ROU | +24B | +32N | −10B | =13N | −17B | +26N | −16N | 3.5 | 22.5 | 25.0 | 11.00 | 1664 | -32.4 |
| 21 | Matei, Mihai-Florin | 1724 | ROU | −7N | +36B | +38N | −18B | +28N | −8B | =27B | 3.5 | 20.5 | 22.0 | 8.00 | 1768 | +7.8 |
| 22 | David, Alexandru | 1659 | ROU | −3B | −26N | +37B | +40N | −12B | =24N | +34B | 3.5 | 19.5 | 20.0 | 6.25 | 1629 | -5.8 |
| 23 | Bratu, Ioan-Valentin | 1748 | ROU | +40N | −18B | −25N | +29B | +38N | −9B | =19B | 3.5 | 19.0 | 19.5 | 6.75 | 1649 | -17.2 |
| 24 | Brumar, Medeea Destina Ioana | 1637 | ROU | −20N | =15B | =34N | −28B | +36N | =22B | +35B | 3.5 | 18.0 | 20.0 | 8.75 | 1672 | +12.0 |
| 25 | Pomirleanu, Ioana-Cristiana | 1517 | ROU | +15N | −6B | +23B | −4N | +35B | −10N | −12B | 3.0 | 25.5 | 27.5 | 9.50 | 1717 | +60.4 |
| 26 | Stencau, Filip | 1555 | ROU | −8N | +22B | +31N | =39B | −15N | −20B | =29N | 3.0 | 21.0 | 22.5 | 8.25 | 1703 | +50.8 |
| 27 | Linca, Ionel | 1786 | ROU | F | +34B | =6N | −7B | −5N | +39B | =21N | 3.0 | 21.0 | 21.0 | 7.50 | 1791 | +2.0 |
| 28 | Bitca, Emilia | 1806 | MDA | −32B | −13N | +30B | +24N | −21B | −14N | +37B | 3.0 | 20.5 | 22.5 | 8.50 | 1588 | -80.0 |
| 29 | Ciorici, Eugen | 1640 | ROU | −10B | +42N | −12B | −23N | +37B | =33N | =26B | 3.0 | 19.0 | 19.0 | 4.50 | 1613 | -6.2 |
| 30 | Gurguiatu, Sandu | 1591 | ROU | −9B | −14N | −28N | −16B | +42N | +41B | +40N | 3.0 | 16.5 | 16.5 | 1.00 | 1590 | -1.4 |
| 31 | Antohe, Cristian | 1775 | ROU | F | F | −26B | +32N | +14B | =18B | −17N | 2.5 | 16.5 | 16.5 | 8.25 | 1680 | -12.4 |
| 32 | Buzdugan, Victor | 1613 | MDA | +28N | −20B | −39N | −31B | −34N | +42B | =38N | 2.5 | 14.0 | 14.0 | 3.75 | 1571 | -12.4 |
| 33 | Mircea, Marius-Ionut | 1659 | ROU | −18N | +37B | −11N | =34B | −16N | =29B | F | 2.0 | 19.0 | 19.0 | 4.50 | 1564 | -16.8 |
| 34 | Gencheva, Alexandra | 1531 | BUL | F | −27N | =24B | =33N | +32B | −16B | −22N | 2.0 | 18.5 | 18.5 | 5.25 | 1534 | +8.4 |
| 35 | Costin, Hariton-Nicolae | 1491 | ROU | F | −17B | +16N | −15B | −25N | +40B | −24N | 2.0 | 18.5 | 18.5 | 4.50 | 1506 | +3.6 |
| 36 | Robescu, Andrei-Georgian | 1623 | ROU | −4B | −21N | +42B | −14N | −24B | −37N | +41B | 2.0 | 18.5 | 18.5 | 0.50 | 1473 | -28.6 |
| 37 | Ivascu, Petru | 1539 | ROU | −12B | −33N | −22N | +42B | −29N | +36B | −28N | 2.0 | 17.5 | 17.5 | 2.00 | 1511 | -8.8 |
| 38 | Puiu, Natalia | 0 | ROU | F | −4N | −21B | +41N | −23B | −19N | =32B | 1.5 | 18.5 | 18.5 | 1.75 | 1490 | +3.6 |
| 39 | Coman, Vasile | 1795 | ROU | F | F | +32B | =26N | −13B | −27N | −14B | 1.5 | 16.5 | 16.5 | 4.00 | 1514 | -37.2 |
| 40 | Calugareanu, Kevin Gabriel | 1462 | ROU | −23B | F | −5N | −22B | =41N | −35N | −30B | 0.5 | 17.5 | 17.5 | 0.25 | 1220 | -72.8 |
| 41 | Gimurtu, Stelian | 1494 | ROU | F | −19B | −15N | −38B | =40B | −30N | −36N | 0.5 | 14.5 | 14.5 | 0.25 | 1218 | -31.6 |
| 42 | Dragomir, Cornel Cristi | 0 | ROU | −5N | −29B | −36N | −37N | −30B | −32N | F | 0.0 | 17.5 | 17.5 | 0.00 | 819 | -88.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Ivan, Robert IoanROU+71.64.0 pts · #12
- 2Iacob, Ivan-AlexandruROU+64.04.5 pts · #10
- 3Pomirleanu, Ioana-CristianaROU+60.43.0 pts · #25
Top rating losers
- 1Dragomir, Cornel CristiROU-88.00.0 pts · #42
- 2Bitca, EmiliaMDA-80.03.0 pts · #28
- 3Calugareanu, Kevin GabrielROU-72.80.5 pts · #40
Biggest upsets
- R2+272 Elo gap
- R1+258 Elo gap
- R3+231 Elo gap