CR Emilia-Romagna 2025
Open SwissStandard
51 players participated in this 5-round tournament, held from 23 May 2025 to 25 May 2025 in Piacenza, Italy. 2 titled players from 2 federations. Top 10 Elo average was 2088, and top seed was Mauro Tirelli (🇮🇹 ITA, 2222).
Ottavio Mammi (🇮🇹 ITA, CM, 2158) won with 4.5/5, ahead of Mauro Tirelli (4.5) and Clint Bosi (4.0). Mammi shared the lead from round 1, winning on tie-break.
The biggest upset came in round 1: Celso Raimondi (1641) beat Gabriele Calza (1918), a +277-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
Titled players · 2
IM×1
CM×1
Federations · 2 represented
🇮🇹Italy×49
🇸🇲San Marino×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsTight race until R5; 2 players tied at 4.5/5, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.
Co-leaders
18
8
4
2
2
R5 · TIEBREAK CLUSTER
2 players finish on 4.5/5. Mammi takes the title on Buchholz Cut1 (15.0).
R5 · HEAD-TO-HEAD · WINNER VS 2ND
CM Ottavio Mammi drew with Mauro Tirelli (White).
WIN STREAKS · 2 top finishers
CM Ottavio Mammi 4 wins (R1–R4)Mauro Tirelli 4 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1CMOttavio Mammi | * | ½ | — | — |
| 2Mauro Tirelli | ½ | * | — | — |
| 3IMPaolo Vezzosi | — | — | * | — |
| 4Luca Marzatico | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Mammi, OttavioCM | 2158 | ITA | +49B | +15N | +3B | +7N | =2B | 4.5 | 15.0 | 15.5 | 13.25 | 2359 | +41.2 |
| 2 | Tirelli, Mauro | 2222 | ITA | +23N | +12B | +8N | +9B | =1N | 4.5 | 14.5 | 16.5 | 14.25 | 2397 | +17.2 |
| 3 | Bosi, Clint | 2044 | ITA | +50N | +16B | −1N | +19B | +14N | 4.0 | 13.0 | 13.5 | 9.00 | 2124 | +10.8 |
| 4 | Marzatico, Luca | 2081 | ITA | =25B | +30N | +18B | +11N | =6B | 4.0 | 12.5 | 14.5 | 11.50 | 2087 | +2.6 |
| 5 | Vezzosi, PaoloIM | 2118 | ITA | +32N | +14B | −7N | +13B | +12N | 4.0 | 12.5 | 14.5 | 11.00 | 2150 | +2.1 |
| 6 | Mastroddi, Emiliano | 1987 | ITA | =44B | +38N | +43B | +17N | =4N | 4.0 | 9.5 | 10.5 | 8.00 | 2044 | +10.2 |
| 7 | Tencati, Giuseppe | 2031 | ITA | +21B | +31N | +5B | −1B | =9N | 3.5 | 14.5 | 16.5 | 10.25 | 2128 | +14.8 |
| 8 | Giretti Kanev, Jasen Pavlov | 2109 | ITA | +27N | +13B | −2B | +15N | =10B | 3.5 | 14.0 | 16.0 | 9.75 | 2095 | +0.6 |
| 9 | Cagnotto, Marco | 2114 | ITA | +46B | +20N | +10B | −2N | =7B | 3.5 | 14.0 | 15.0 | 8.75 | 2120 | +3.4 |
| 10 | Bonade, Massimo | 2001 | ITA | +39N | +19B | −9N | +16B | =8N | 3.5 | 12.5 | 14.0 | 8.75 | 2061 | +9.6 |
| 11 | Speciale, Francesco | 1979 | ITA | +33N | =24B | +29N | −4B | +30B | 3.5 | 10.0 | 12.0 | 7.00 | 1885 | -7.0 |
| 12 | Rolle, Lorenzo Anthony | 1954 | ITA | +40B | −2N | +46B | +20N | −5B | 3.0 | 12.5 | 13.5 | 5.00 | 1990 | +11.6 |
| 13 | Carlino, Alessandro | 1892 | ITA | +26B | −8N | +21B | −5N | +31B | 3.0 | 12.0 | 14.0 | 6.50 | 1939 | +14.4 |
| 14 | Peretti, Eva | 1915 | ITA | +35B | −5N | +25B | +23N | −3B | 3.0 | 12.0 | 14.0 | 6.00 | 1925 | +5.6 |
| 15 | Isolabella, Ettore | 1898 | ITA | +28N | −1B | +39N | −8B | +27N | 3.0 | 12.0 | 13.5 | 5.50 | 1925 | +4.4 |
| 16 | Sommariva, Christian | 1860 | ITA | +41B | −3N | +26B | −10N | +23B | 3.0 | 11.5 | 13.0 | 5.50 | 1861 | +2.2 |
| 17 | Tondi, Aurelio | 2006 | ITA | F | +37N | +24B | −6B | +36N | 3.0 | 10.0 | 10.0 | 6.00 | 1973 | -1.0 |
| 18 | Magagni, Samuele | 1864 | ITA | F | +45B | −4N | +38B | +34N | 3.0 | 8.5 | 8.5 | 4.50 | 1971 | +22.4 |
| 19 | Baio, Lorenzo | 1802 | ITA | +47B | −10N | +41B | −3N | =22B | 2.5 | 11.5 | 12.5 | 3.75 | 1784 | -2.4 |
| 20 | Merusi, Luigi | 1864 | ITA | +48N | −9B | +28N | −12B | =29N | 2.5 | 10.5 | 11.5 | 4.00 | 1732 | -14.2 |
| 21 | Salsi, Michele | 1686 | ITA | −7N | +51B | −13N | =28B | +43N | 2.5 | 9.5 | 9.5 | 2.00 | 1693 | -1.6 |
| 22 | Calza, Gabriele | 1918 | ITA | −24N | +33B | −23N | +39B | =19N | 2.5 | 8.5 | 10.0 | 4.75 | 1710 | -26.0 |
| 23 | Nicolino, Simone | 1773 | ITA | −2B | +44N | +22B | −14B | −16N | 2.0 | 13.0 | 14.0 | 3.50 | 1836 | +5.6 |
| 24 | Raimondi, Celso | 1641 | ITA | +22B | =11N | −17N | −34B | =33N | 2.0 | 11.0 | 13.0 | 5.25 | 1782 | +14.6 |
| 25 | Losi, Paolo | 1704 | ITA | =4N | =42B | −14N | =40B | =28N | 2.0 | 10.5 | 12.0 | 4.50 | 1686 | -4.8 |
| 26 | Adinolfi, Filippo | 1603 | ITA | −13N | +27B | −16N | −32B | +44N | 2.0 | 10.0 | 11.0 | 3.00 | 1707 | +24.8 |
| 27 | Mircoli, Filippo | 1715 | ITA | −8B | −26N | +48B | +41N | −15B | 2.0 | 10.0 | 11.0 | 2.50 | 1590 | -14.8 |
| 28 | Canossa, Elena | 1606 | ITA | −15B | +49N | −20B | =21N | =25B | 2.0 | 10.0 | 10.5 | 2.75 | 1712 | +25.2 |
| 29 | Mrad, Anahid | 1602 | ITA | F | +36N | −11B | =31N | =20B | 2.0 | 10.0 | 10.0 | 4.25 | 1868 | +51.2 |
| 30 | Carradori, Niccolo` | 1701 | ITA | F | −4B | +45N | +42B | −11N | 2.0 | 10.0 | 10.0 | 2.50 | 1813 | +9.2 |
| 31 | De Simone, Alessandro | 1818 | ITA | +51N | −7B | =42N | =29B | −13N | 2.0 | 10.0 | 10.0 | 1.75 | 1574 | -49.6 |
| 32 | Cecchinelli, Paolo | 1757 | ITA | −5B | =35N | −38B | +26N | =40N | 2.0 | 9.5 | 11.0 | 3.75 | 1661 | -15.0 |
| 33 | Folcini, Gaddo | 1657 | ITA | −11B | −22N | =49B | +47N | =24B | 2.0 | 9.0 | 9.5 | 2.25 | 1634 | -3.6 |
| 34 | Zanchini, Domenico Francesco | 1711 | ITA | F | −43N | +35B | +24N | −18B | 2.0 | 8.0 | 8.0 | 4.00 | 1681 | -6.8 |
| 35 | Buratti, Emanuele | 1629 | ITA | −14N | =32B | −34N | =44B | +51N | 2.0 | 8.0 | 8.0 | 1.50 | 1571 | -6.4 |
| 36 | Mantovani, Enrico | 1811 | ITA | F | −29B | +44N | +43B | −17B | 2.0 | 7.0 | 7.0 | 2.00 | 1718 | -9.8 |
| 37 | Sanzi, Riccardo | 1683 | ITA | F | −17B | =40N | +51B | =38N | 2.0 | 6.0 | 6.0 | 1.50 | 1649 | -8.0 |
| 38 | Rizzi, Giacomo | 1668 | ITA | F | −6B | +32N | −18N | =37B | 1.5 | 11.0 | 11.0 | 3.00 | 1736 | +5.2 |
| 39 | Torricelli, Lorenzo | 1676 | ITA | −10B | +47N | −15B | −22N | =42N | 1.5 | 10.5 | 11.5 | 1.75 | 1518 | -14.6 |
| 40 | Crisci, Carlo | 1648 | ITA | −12N | F | =37B | =25N | =32B | 1.5 | 9.0 | 9.0 | 3.00 | 1688 | +2.8 |
| 41 | Galli, Fabrizio | 1521 | ITA | −16N | +50B | −19N | −27B | =45N | 1.5 | 8.5 | 9.0 | 1.00 | 1593 | +7.0 |
| 42 | Fernandez Chahuaris, Mattia | 1541 | ITA | F | =25N | =31B | −30N | =39B | 1.5 | 7.5 | 7.5 | 2.75 | 1638 | +17.2 |
| 43 | Cilenti, Giuseppe Maria | 1588 | SMR | F | +34B | −6N | −36N | −21B | 1.0 | 10.5 | 10.5 | 2.00 | 1606 | -0.2 |
| 44 | Tagliaferri, Valerio | 1673 | ITA | =6N | −23B | −36B | =35N | −26B | 1.0 | 10.0 | 12.0 | 3.00 | 1520 | -19.4 |
| 45 | Di Iasio, Alessandro | 1650 | ITA | F | −18N | −30B | =48N | =41B | 1.0 | 7.5 | 7.5 | 1.25 | 1423 | -16.6 |
| 46 | Chiesa, Giuseppe | 1738 | ITA | −9N | +48B | −12N | F | F | 1.0 | 7.5 | 7.5 | 1.00 | 1234 | -6.2 |
| 47 | Quercio, Andrea | 0 | ITA | −19N | −39B | =50N | −33B | =48N | 1.0 | 7.0 | 7.5 | 0.75 | 1383 | 0.0 |
| 48 | Martino, Gianluca | 0 | ITA | −20B | −46N | −27N | =45B | =47B | 1.0 | 6.5 | 7.5 | 1.00 | 1420 | 0.0 |
| 49 | Boasso, Andrea | 1769 | ITA | −1N | −28B | =33N | F | F | 0.5 | 8.5 | 8.5 | 1.00 | 1534 | -19.2 |
| 50 | Bertesi, Andrea | 1686 | ITA | −3B | −41N | =47B | F | F | 0.5 | 6.5 | 6.5 | 0.50 | 983 | -16.2 |
| 51 | FIDE 23469749 | 0 | — | −31B | −21N | F | −37N | −35B | 0.0 | 8.5 | 8.5 | 0.00 | 904 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Mrad, AnahidITA+51.22.0 pts · #22
- 2Mammi, OttavioCMITA+41.24.5 pts · #1
- 3Canossa, ElenaITA+25.22.0 pts · #29
Top rating losers
- 1De Simone, AlessandroITA-49.62.0 pts · #43
- 2Calza, GabrieleITA-26.02.5 pts · #19
- 3Tagliaferri, ValerioITA-19.41.0 pts · #41
Biggest upsets
- R1+277 Elo gap
- R2+209 Elo gap
- R2+165 Elo gap