Chess Architect Round Robin 2 - A
10 players participated in this 9-round tournament, held from 27 Aug 2025 to 29 Aug 2025 in Bucuresti, Romania. 2 titled players. Top 10 Elo average was 1846, and top seed was Vasylyna Semenova (🇷🇴 ROU, WCM, 2034).
Andrei-Augustin Raducanu (🇷🇴 ROU, 1972) won with 6.5/9, ahead of Stefan Danila (6.0) and Vasylyna Semenova (5.5). Raducanu shared the lead from round 8 and broke clear in the final round.
The biggest upset came in round 6: Dorian-Raul Craciun (1680) beat Stefan Danila (2008), a +328-point gap.
- 🥇
- 🥈
- 🥉
How it unfolded
Top 10 · 9 rounds4 leader changes shaped the tournament; Raducanu pulled away in R9.
Stefan Danila takes the sole lead (3.5/4).
Andrei-Augustin Raducanu lost to Stefan Danila (Black).
Andrei-Augustin Raducanu 3 wins (R1–R3)Stefan Danila 3 wins (R3–R5)
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇷🇴Raducanu, Andrei-Augustin | 1972 | * | 0 | 1 | 0 | ½ | 1 | 1 | 1 | 1 | 1 | 6.5 | 22.25 | 35.5 | +9.2 | 1997 |
| 2 | 🇷🇴Danila, Stefan | 2008 | 1 | * | 1 | ½ | 1 | 1 | ½ | 0 | 1 | — | 6.0 | 27.25 | 36.0 | +7.2 | 2030 |
| 3 | 🇷🇴WCMSemenova, Vasylyna | 2034 | 0 | 0 | * | 1 | ½ | 1 | 1 | 1 | 1 | — | 5.5 | 20.25 | 36.5 | -17.6 | 1975 |
| 4 | 🇷🇴Ionita, Alexandru A. | 1825 | 1 | ½ | 0 | * | 0 | ½ | 1 | 1 | 1 | 0 | 5.0 | 20.25 | 37.0 | +25.8 | 1890 |
| 5 | 🇷🇴FMMitaru, Dan | 1931 | ½ | 0 | ½ | 1 | * | ½ | 0 | 1 | 0 | 1 | 4.5 | 17.75 | 37.5 | -21.0 | 1836 |
| 6 | 🇷🇴Ciuca, Ianis-Cristian | 1855 | 0 | 0 | 0 | ½ | ½ | * | 1 | 1 | 1 | ½ | 4.5 | 14.00 | 37.5 | -3.2 | 1844 |
| 7 | 🇷🇴Butochnov, Tudor-Alexandru | 1638 | 0 | ½ | 0 | 0 | 1 | 0 | * | 1 | — | 1 | 3.5 | 12.00 | 38.5 | +68.8 | 1837 |
| 8 | 🇷🇴Craciun, Dorian-Raul | 1680 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | * | 1 | 1 | 3.0 | 9.50 | 39.0 | +14.6 | 1741 |
| 9 | 🇷🇴Bratu, Ioan-Valentin | 1771 | 0 | 0 | 0 | 0 | 1 | 0 | — | 0 | * | 1 | 2.0 | 6.00 | 40.0 | -18.8 | 1687 |
| 10 | 🇷🇴Apostoaiei, Tudor-Andrei | 1745 | 0 | — | — | 1 | 0 | ½ | 0 | 0 | 0 | * | 1.5 | 7.25 | 40.5 | -28.8 | 1579 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Butochnov, Tudor-AlexandruROU+68.83.5 pts · #7
- 2Ionita, Alexandru A.ROU+25.85.0 pts · #4
- 3Craciun, Dorian-RaulROU+14.63.0 pts · #8
- 1Apostoaiei, Tudor-AndreiROU-28.81.5 pts · #10
- 2Mitaru, DanFMROU-21.04.5 pts · #5
- 3Bratu, Ioan-ValentinROU-18.82.0 pts · #9
- R6+328 Elo gap
- R6+293 Elo gap
- R7+160 Elo gap