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

Top seed

🇮🇹Mariano Lombardi2091

Avg top 10

1,831

Participants

Federations · 1 represented

🇮🇹Italy×39

Top 3

🥇
Mariano Lombardi
🇮🇹ITA·2091
5.0pts·2573perf+14.8
🥈
Davide Santo
🇮🇹ITA·1784
4.5pts·1977perf+38.4
🥉
Luigi Forlano
🇮🇹ITA·1941
4.0pts·1934perf+3.4

How it unfolded

Top 6 · 5 rounds

Mariano 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

Lombardi5Santo4.5Forlano4Rametta4Rota4Brogneri3.5

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
+87.2
4.0 pts · #6
2Farfalla, Alessandro PaoloITA
+54.0
3.5 pts · #9
3Santo, DavideITA
+38.4
4.5 pts · #2

Top rating losers

1Zangari, EmanueleITA
-58.0
2.0 pts · #38
2Feole, AntonioITA
-34.4
2.5 pts · #29
3Marsico, GiovanniITA
-30.8
3.0 pts · #15

Biggest upsets

R3+308 Elo gap
Rota, Riccardo1537 beat Rametta, Marcello1845
R2+250 Elo gap
Gigliotti, Vitaliano1644 beat Brogneri, Giovanni1894
R2+193 Elo gap
Nudo, Davide1557 beat Zizzari, Pietro1750