Chess Architect Reunion 25 - C
Round-RobinStandard
10 players participated in this 9-round tournament, held from 17 Jul 2025 to 24 Jul 2025 in Bucuresti, Romania. Top 10 Elo average was 774, and top seed was Andrei-Georgian Robescu (🇷🇴 ROU, 1594).
Andrei-Georgian Robescu (🇷🇴 ROU, 1594) won with 7.5/9, ahead of Dan-Mihai Alexandru (6.5) and Selina Tani (6.5). Robescu won solo starting round 5.
Location
🇷🇴Bucuresti, Romania
Dates
17 Jul 2025 → 24 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Round-robin · 9 rounds
Federations · 1 represented
🇷🇴Romania×10
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 10 · 9 roundsAndrei-Georgian Robescu led from R2 onwards, the runner-up race stayed tight.
Co-leaders
4
1
3
2
1
1
1
1
1
R2–R9 · LEAD HELD
Andrei-Georgian Robescu never relinquished the lead after R2; final gap +1.0 over the runner-up.
R8 · HEAD-TO-HEAD · WINNER VS 2ND
Andrei-Georgian Robescu drew with Dan-Mihai Alexandru (Black).
WIN STREAKS · 3 top finishers
Andrei-Georgian Robescu 3 wins (R4–R6)Dan-Mihai Alexandru 3 wins (R5–R7)Selina Tani 3 wins (R2–R4)
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇷🇴Robescu, Andrei-Georgian | 1594 | * | ½ | 1 | 1 | ½ | 1 | ½ | 1 | 1 | 1 | 7.5 | 29.25 | 37.5 | +29.6 | 1883 |
| 2 | 🇷🇴Alexandru, Dan-Mihai | 0 | ½ | * | ½ | 0 | 1 | ½ | 1 | 1 | 1 | 1 | 6.5 | 22.75 | 38.5 | 0.0 | 1590 |
| 5 | 🇷🇴Tani, Selina | 1569 | 0 | ½ | * | 1 | ½ | 1 | ½ | 1 | 1 | 1 | 6.5 | 22.75 | 38.5 | +32.4 | 1674 |
| 4 | 🇷🇴Simsensohn, Arthur | 0 | 0 | 1 | 0 | * | 1 | ½ | ½ | 1 | 1 | 1 | 6.0 | 20.00 | 39.0 | 0.0 | 1550 |
| 3 | 🇷🇴Marinescu, Andrei | 1573 | ½ | 0 | ½ | 0 | * | ½ | 1 | 1 | 1 | 1 | 5.5 | 17.25 | 39.5 | +23.2 | 1669 |
| 7 | 🇷🇴Craciun, Dimitri | 1560 | 0 | ½ | 0 | ½ | ½ | * | 1 | 1 | 1 | 1 | 5.5 | 16.50 | 39.5 | -12.0 | 1522 |
| 6 | 🇷🇴Ilie, Alexandru-Stefan | 1448 | ½ | 0 | ½ | ½ | 0 | 0 | * | 1 | 1 | 1 | 4.5 | 13.00 | 40.5 | 0.0 | 1530 |
| 9 | 🇷🇴Apostoaiei, Maria | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | * | 1 | ½ | 1.5 | 1.25 | 43.5 | -41.2 | 1188 |
| 8 | 🇷🇴Posa, Bogdan-Petre | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | * | 1 | 1.0 | 0.50 | 44.0 | 0.0 | 1257 |
| 10 | 🇷🇴Apostoaiei, Magdalena | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ½ | 0 | * | 0.5 | 0.75 | 44.5 | -61.6 | 1175 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Tani, SelinaROU+32.46.5 pts · #5
- 2Robescu, Andrei-GeorgianROU+29.67.5 pts · #1
- 3Marinescu, AndreiROU+23.25.5 pts · #3
Top rating losers
- 1Apostoaiei, MagdalenaROU-61.60.5 pts · #10
- 2Apostoaiei, MariaROU-41.21.5 pts · #9
- 3Craciun, DimitriROU-12.05.5 pts · #7