OP Collaterale CR Emilia-Romagna 2025
Open SwissStandard
11 players participated in this 5-round tournament, held from 23 May 2025 to 25 May 2025 in Piacenza, Italy. Top 10 Elo average was 1554, and top seed was Luciano Costa (🇮🇹 ITA, 1596).
Dong Hao Paolo Armani (🇮🇹 ITA, 1591) won with 4.0/5, ahead of Vittorio Costa (3.0) and Stefano Tirelli (3.0). Armani won solo starting round 2.
The biggest upset came in round 2: Vittorio Costa (1429) beat Luciano Costa (1596), a +167-point gap.
Location
🇮🇹Piacenza, Italy
Dates
23 May 2025 → 25 May 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Federations · 1 represented
🇮🇹Italy×11
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsDong Hao Paolo Armani led from R2; +1.0-point edge over the runner-up.
Co-leaders
3
1
1
1
1
R2–R5 · LEAD HELD
Dong Hao Paolo Armani never relinquished the lead after R2; final gap +1.0 over the runner-up.
R1–R5 · UNBEATEN
Dong Hao Paolo Armani went unbeaten across 5 games (R1–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Dong Hao Paolo Armani | * | — | ½ | — |
| 2Stefano Tirelli | — | * | 0 | ½ |
| 3Vittorio Costa | ½ | 1 | * | ½ |
| 4Tullio Scovazzi | — | ½ | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Armani, Dong Hao Paolo | 1591 | ITA | +8B | +7N | =2N | =6B | +5N | 4.0 | 10.0 | 11.5 | 8.75 | 1782 | +46.0 |
| 2 | Costa, Vittorio | 1429 | ITA | F | +5N | =1B | +3N | =4B | 3.0 | 12.5 | 12.5 | 9.00 | 1772 | +36.0 |
| 3 | Tirelli, Stefano | 1591 | ITA | =4N | +10B | =5N | −2B | +9B | 3.0 | 9.5 | 10.5 | 4.75 | 1607 | +2.6 |
| 4 | Scovazzi, Tullio | 1537 | ITA | =3B | +11N | −7B | +10N | =2N | 3.0 | 9.0 | 9.5 | 4.50 | 1517 | -1.8 |
| 5 | Costa, Luciano | 1596 | ITA | +6N | −2B | =3B | +7N | −1B | 2.5 | 12.5 | 14.5 | 6.00 | 1546 | -7.4 |
| 6 | Bergonzi, Andrea | 1589 | ITA | −5B | F | +9N | =1N | +7B | 2.5 | 9.5 | 9.5 | 5.00 | 1674 | +9.0 |
| 7 | Calcagno, Martina | 1530 | ITA | +9N | −1B | +4N | −5B | −6N | 2.0 | 12.0 | 13.0 | 4.00 | 1509 | -5.2 |
| 8 | Rocchi, Renato | 1560 | ITA | −1N | −9B | F | =11N | +10B | 1.5 | 6.5 | 6.5 | 1.25 | 1444 | -9.6 |
| 9 | Spalla, Tommaso | 1590 | ITA | −7B | +8N | −6B | F | −3N | 1.0 | 9.0 | 9.0 | 1.50 | 1375 | -45.2 |
| 10 | Canelli, Nicolino | 1522 | ITA | F | −3N | +11B | −4B | −8N | 1.0 | 8.0 | 8.0 | 0.50 | 762 | -26.6 |
| 11 | Losio, Antonio | 0 | ITA | F | −4B | −10N | =8B | F | 0.5 | 5.5 | 5.5 | 0.75 | 1266 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Armani, Dong Hao PaoloITA+46.04.0 pts · #1
- 2Costa, VittorioITA+36.03.0 pts · #3
- 3Bergonzi, AndreaITA+9.02.5 pts · #4
Top rating losers
- 1Spalla, TommasoITA-45.21.0 pts · #9
- 2Canelli, NicolinoITA-26.61.0 pts · #11
- 3Rocchi, RenatoITA-9.61.5 pts · #8
Biggest upsets
- R2+167 Elo gap
- R4+162 Elo gap