OP 4 Winter chess
Open SwissStandard
48 players participated in this 5-round tournament, held from 24 Jan 2026 to 25 Jan 2026 in Cosenza, Italy. Top 10 Elo average was 1831, and top seed was Mariano Lombardi (🇮🇹 ITA, 2091).
Mariano Lombardi (🇮🇹 ITA, 2091) won with 5.0/5, ahead of Davide Santo (4.5) and Luigi Forlano (4.0). Lombardi broke clear in the final round.
The biggest upset came in round 3: Riccardo Rota (1537) beat Marcello Rametta (1845), a +308-point gap.
Location
🇮🇹Cosenza, Italy
Dates
24 Jan 2026 → 25 Jan 2026
Time control
Standard: All Moves in 60 Min. Del. 30 Sec. / /
System
Swiss · 5 rounds
Federations · 1 represented
🇮🇹Italy×39
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsMariano Lombardi led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
Co-leaders
24
10
4
2
1
R5–R5 · LEAD HELD
Mariano Lombardi held the sole lead from R5 through R5 without losing it.
WIN STREAKS · 3 top finishers
Mariano Lombardi 5 wins (R1–R5)Davide Santo 3 wins (R3–R5)Luigi Forlano 4 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Mariano Lombardi | * | — | 1 | — |
| 2Davide Santo | — | * | — | — |
| 3Luigi Forlano | 0 | — | * | — |
| 4Marcello Rametta | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Lombardi, Mariano | 2091 | ITA | +16B | +22N | +14B | +11N | +3B | 5.0 | 13.0 | 15.5 | 15.50 | 2573 | +14.8 |
| 2 | Santo, Davide | 1784 | ITA | +27N | =23B | +8N | +6B | +11N | 4.5 | 12.5 | 15.0 | 13.75 | 1977 | +38.4 |
| 3 | Forlano, Luigi | 1941 | ITA | +25N | +30B | +12N | +4B | −1N | 4.0 | 14.5 | 17.0 | 12.00 | 1934 | +3.4 |
| 4 | Rota, Riccardo | 1537 | ITA | +39N | +10B | +5N | −3N | +13B | 4.0 | 14.5 | 16.0 | 12.00 | 1983 | +87.2 |
| 5 | Rametta, Marcello | 1845 | ITA | +43B | +26N | −4B | +12B | +18N | 4.0 | 12.5 | 13.5 | 9.50 | 1834 | -0.2 |
| 6 | Farfalla, Alessandro Paolo | 1552 | ITA | +37B | +15N | =13B | −2N | +22B | 3.5 | 13.0 | 15.0 | 9.00 | 1812 | +54.0 |
| 7 | Brogneri, Giovanni | 1894 | ITA | +21B | −12N | +16B | =13N | +26B | 3.5 | 12.0 | 14.5 | 10.00 | 1736 | -15.0 |
| 8 | Passarelli, Davide | 1668 | ITA | +34B | =24N | −2B | +29N | +25B | 3.5 | 12.0 | 14.0 | 8.25 | 1664 | -0.4 |
| 9 | Zizzari, Pietro | 1750 | ITA | +41B | −17N | =25B | +28B | +23N | 3.5 | 10.5 | 11.5 | 7.25 | 1643 | -10.6 |
| 10 | Sorrentino, Alessandro | 1696 | ITA | +44B | −4N | +41B | =24N | +15B | 3.5 | 10.5 | 11.5 | 6.25 | 1634 | -4.8 |
| 11 | De Zerbi, Sergio | 1851 | ITA | +19N | +20B | +17N | −1B | −2B | 3.0 | 15.5 | 18.5 | 9.00 | 1778 | -7.0 |
| 12 | Gigliotti, Vitaliano | 1644 | ITA | +31N | +7B | −3B | −5N | +24B | 3.0 | 14.0 | 16.0 | 8.00 | 1768 | +8.4 |
| 13 | De Zerbi, Cristian | 1699 | ITA | +29N | +32B | =6N | =7B | −4N | 3.0 | 13.5 | 15.5 | 8.00 | 1634 | -13.6 |
| 14 | Ke, Tony | 1671 | ITA | +40N | +28B | −1N | =23B | =17N | 3.0 | 13.0 | 14.5 | 6.75 | 1679 | -3.2 |
| 15 | Marsico, Giovanni | 1731 | ITA | +42N | −6B | +19N | +20B | −10N | 3.0 | 13.0 | 14.0 | 7.00 | 1582 | -30.8 |
| 16 | Tarsia, Angelica | 1535 | ITA | −1N | +33B | −7N | +42B | +36N | 3.0 | 12.5 | 13.5 | 5.00 | 1650 | +14.0 |
| 17 | Nudo, Davide | 1557 | ITA | +48N | +9B | −11B | =22N | =14B | 3.0 | 12.0 | 12.0 | 6.25 | 1732 | +36.0 |
| 18 | Maletta, Francesco | 1722 | ITA | −24B | +34N | +27B | +32N | −5B | 3.0 | 11.0 | 13.0 | 6.50 | 1738 | +4.4 |
| 19 | Paragliola, Gennaro | 1494 | ITA | −11B | +47N | −15B | +31N | +32B | 3.0 | 10.0 | 10.0 | 4.00 | 1587 | +5.8 |
| 20 | Astarita, Vittorio | 1605 | ITA | +47B | −11N | +31B | −15N | +35B | 3.0 | 10.0 | 10.0 | 4.00 | 991 | -10.4 |
| 21 | Donadio, Luca | 1513 | ITA | −7N | −31B | +45N | +34B | +33N | 3.0 | 9.5 | 10.5 | 5.00 | 1094 | -3.6 |
| 22 | Feole, Antonio | 1658 | ITA | +33N | −1B | +42N | =17B | −6N | 2.5 | 13.5 | 14.5 | 4.50 | 1449 | -34.4 |
| 23 | Ansani, Annagiulia | 1559 | ITA | +46B | =2N | =24B | =14N | −9B | 2.5 | 13.5 | 14.0 | 5.50 | 1610 | +9.2 |
| 24 | Feole, Giovanni | 0 | ITA | +18N | =8B | =23N | =10B | −12N | 2.5 | 13.0 | 15.5 | 7.75 | 1651 | 0.0 |
| 25 | Lapietra, Giorgia | 1531 | ITA | −3B | +45N | =9N | +39B | −8N | 2.5 | 12.5 | 13.5 | 4.25 | 1513 | -6.0 |
| 26 | Altavilla, Salvatore | 1572 | ITA | +35N | −5B | =39N | +30B | −7N | 2.5 | 12.0 | 13.5 | 5.25 | 1672 | +12.4 |
| 27 | Santo, Irene | 1440 | ITA | −2B | +46N | −18N | +37B | =28N | 2.5 | 12.0 | 12.5 | 3.75 | 1411 | -5.6 |
| 28 | Zangari, Miriam | 1547 | ITA | +36B | −14N | +35B | −9N | =27B | 2.5 | 11.0 | 13.0 | 5.25 | 1509 | -9.6 |
| 29 | Li Sacchi, Luca | 0 | ITA | −13B | +38N | =30N | −8B | +39N | 2.5 | 11.0 | 12.5 | 4.75 | 1399 | 0.0 |
| 30 | Cofone, Cristian | 1651 | ITA | +45B | −3N | =29B | −26N | +43B | 2.5 | 10.0 | 11.0 | 3.25 | 1545 | -19.2 |
| 31 | Ruffolo, Vincenzo | 0 | ITA | −12B | +21N | −20N | −19B | +41N | 2.0 | 12.0 | 13.0 | 4.00 | 1371 | 0.0 |
| 32 | Avena, Giovanni | 1548 | ITA | +38N | −13N | +36B | −18B | −19N | 2.0 | 11.0 | 13.0 | 4.00 | 1416 | -28.8 |
| 33 | Palermo, Giulia | 0 | ITA | −22B | −16N | +38B | +43N | −21B | 2.0 | 10.5 | 11.5 | 3.00 | 1350 | 0.0 |
| 34 | Giorgio, Martino | 0 | ITA | −8N | −18B | +48N | −21N | +44B | 2.0 | 10.5 | 10.5 | 1.00 | 834 | 0.0 |
| 35 | Silvestro, Salvatore | 0 | ITA | −26B | +43N | −28N | +41B | −20N | 2.0 | 9.0 | 10.0 | 2.00 | 1362 | 0.0 |
| 36 | Zangari, Emanuele | 0 | ITA | −28N | +40B | −32N | +46B | −16B | 2.0 | 9.0 | 9.5 | 2.00 | 735 | -58.0 |
| 37 | Vaiti, Antonio | 0 | ITA | −6N | −42B | +40N | −27N | +46B | 2.0 | 8.5 | 9.0 | 2.00 | 696 | 0.0 |
| 38 | FIDE 23498951 | 0 | — | −32B | −29B | −33N | +47B | +42N | 2.0 | 7.5 | 7.5 | 1.00 | 754 | 0.0 |
| 39 | FIDE 23435003 | 0 | — | −4B | +44N | =26B | −25N | −29B | 1.5 | 11.5 | 12.5 | 2.25 | 1278 | 0.0 |
| 40 | FIDE 23449624 | 0 | — | −14B | −36N | −37B | =44N | +48B | 1.5 | 8.0 | 8.0 | 0.50 | 798 | 0.0 |
| 41 | FIDE 23476559 | 0 | — | −9N | +48B | −10N | −35N | −31B | 1.0 | 11.0 | 11.0 | 0.00 | 915 | 0.0 |
| 42 | FIDE 23476567 | 0 | — | −15B | +37N | −22B | −16N | −38B | 1.0 | 10.5 | 12.5 | 2.00 | 831 | 0.0 |
| 43 | Astarita, Enrico | 1480 | ITA | −5N | −35B | +47N | −33B | −30N | 1.0 | 10.5 | 10.5 | 0.00 | 948 | -16.0 |
| 44 | FIDE 23486228 | 0 | — | −10N | −39B | =46N | =40B | −34N | 1.0 | 8.5 | 9.0 | 1.00 | 879 | 0.0 |
| 45 | Procopio, Stefano | 0 | ITA | −30N | −25B | −21B | +48N | F | 1.0 | 8.0 | 8.0 | 0.00 | 769 | 0.0 |
| 46 | FIDE 552013235 | 0 | — | −23N | −27B | =44B | −36N | −37N | 0.5 | 9.0 | 10.0 | 0.50 | 703 | 0.0 |
| 47 | FIDE 23450916 | 0 | — | −20N | −19B | −43B | −38N | F | 0.0 | 9.0 | 9.0 | 0.00 | 731 | 0.0 |
| 48 | FIDE 23488875 | 0 | — | −17B | −41N | −34B | −45B | −40N | 0.0 | 7.5 | 8.5 | 0.00 | 757 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Rota, RiccardoITA+87.24.0 pts · #6
- 2Farfalla, Alessandro PaoloITA+54.03.5 pts · #9
- 3Santo, DavideITA+38.44.5 pts · #2
Top rating losers
- 1Zangari, EmanueleITA-58.02.0 pts · #38
- 2Feole, AntonioITA-34.42.5 pts · #29
- 3Marsico, GiovanniITA-30.83.0 pts · #15
Biggest upsets
- R3+308 Elo gap
- R2+250 Elo gap
- R2+193 Elo gap