Chess Architect Reunion 25 - B
6 players participated in this 10-round tournament, held from 17 Jul 2025 to 24 Jul 2025 in Bucuresti, Romania. Top 10 Elo average was 1640, and top seed was Tudor-Andrei Apostoaiei (🇷🇴 ROU, 1698).
Tudor-Andrei Apostoaiei (🇷🇴 ROU, 1698) won with 6.0/10, ahead of Alexandru Aichimoaie (6.0) and Matei Stan (5.5). Apostoaiei shared the lead from round 1, winning on tie-break.
The biggest upset came in round 6: Alexandru Aichimoaie (1584) beat Tudor-Andrei Apostoaiei (1698), a +114-point gap.
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How it unfolded
Top 6 · 10 roundsTudor-Andrei Apostoaiei led from R3 onwards, the runner-up race stayed tight.
Tudor-Andrei Apostoaiei held the sole lead from R3 through R10 without losing it.
Tudor-Andrei Apostoaiei 1.0–1.0 against Alexandru Aichimoaie (R1 1-0, R6 0-1) — decisive in 2/2.
Tudor-Andrei Apostoaiei 5 wins (R1–R5)Alexandru Aichimoaie 4 wins (R6–R9)
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇷🇴Apostoaiei, Tudor-Andrei | 1698 | * | 10 | 10 | —1 | —1 | 11 | 6.0 | 19.00 | 36.0 | +48.0 | 1820 |
| 2 | 🇷🇴Aichimoaie, Alexandru | 1584 | 10 | * | 01 | 0— | 11 | 11 | 6.0 | 18.50 | 36.0 | +80.4 | 1770 |
| 3 | 🇷🇴Stan, Matei | 1666 | 10 | 01 | * | ½— | 11 | 1— | 5.5 | 19.50 | 37.0 | +23.2 | 1775 |
| 4 | 🇷🇴Lazarean, Colea-Valentin | 1665 | 0— | —1 | —½ | * | ½— | 10 | 3.0 | 11.00 | 42.0 | -6.6 | 1629 |
| 5 | 🇷🇴Dascalu, Christian Nicolae | 1621 | 0— | 00 | 00 | —½ | * | 11 | 2.5 | 3.50 | 43.0 | -41.6 | 1498 |
| 6 | 🇷🇴Galea, Andrei-Daniel | 1605 | 00 | 00 | —0 | 10 | 00 | * | 1.0 | 3.00 | 46.0 | -120.0 | 1294 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Aichimoaie, AlexandruROU+80.46.0 pts · #2
- 2Apostoaiei, Tudor-AndreiROU+48.06.0 pts · #1
- 3Stan, MateiROU+23.25.5 pts · #3
- 1Galea, Andrei-DanielROU-120.01.0 pts · #6
- 2Dascalu, Christian NicolaeROU-41.62.5 pts · #5
- 3Lazarean, Colea-ValentinROU-6.63.0 pts · #4
- R6+114 Elo gap