IRT SUB 1800 ECUATRO

Open SwissStandard

15 players participated in this 5-round tournament, held from 08 Sept 2025 to 12 Sept 2025 in Alicante, Spain. 5 federations represented. Top 10 Elo average was 1612, and top seed was Sergio Dantas Peixoto (🇧🇷 BRA, 1746).

Mateo Rincon Rodriguez (🇨🇴 COL, 1680) won with 4.5/5, ahead of Daniel Jose Lozano Ditta (3.5) and Oscar Montoto Arce (3.0). Rincon Rodriguez won solo starting round 3.

The biggest upset came in round 1: Trinidad Del Valle Domenech (1529) beat Sergio Dantas Peixoto (1746), a +217-point gap.

Location

🇪🇸Alicante, Spain

Dates

08 Sept 2025 → 12 Sept 2025

Time control

Standard: 30 minutes for game with 30 seconds increment from move 1

System

Swiss · 5 rounds

Top seed

🇧🇷Sergio Dantas Peixoto1746

Avg top 10

1,612

Participants

Federations · 5 represented

🇪🇸Spain×8

🇨🇳China×2

🇨🇴Colombia×1

🇧🇷Brazil×1

🇷🇺Russia×1

Top 3

🥇
Mateo Rincon Rodriguez
🇨🇴COL·1680
4.5pts·1904perf+42.4
🥈
Daniel Jose Lozano Ditta
🇪🇸ESP
3.5pts·1601perf0.0
🥉
Oscar Montoto Arce
🇪🇸ESP·1631
3.0pts·1843perf+15.4

How it unfolded

Top 6 · 5 rounds

Mateo Rincon Rodriguez led from R3; +1.0-point edge over the runner-up.

Co-leaders

Rincon Rodriguez4.5Lozano Ditta3.5Montoto Arce3Suarez Suarez3Ferrando Crespo2.5Peixoto2.5

R3–R5 · LEAD HELD

Mateo Rincon Rodriguez never relinquished the lead after R3; final gap +1.0 over the runner-up.

WIN STREAKS · 2 top finishers

Mateo Rincon Rodriguez 4 wins (R1–R4)Daniel Jose Lozano Ditta 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Mateo Rincon Rodriguez	*	—	½	—
2Daniel Jose Lozano Ditta	—	*	½	—
3Oscar Montoto Arce	½	½	*	—
4Jose Suarez Suarez	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Rincon Rodriguez, Mateo	1680	COL	+13N	+6B	+9N	+5B	=3N	4.5	10.0	11.0	9.50	1904	+42.4
2	Lozano Ditta, Daniel Jose	0	ESP	=3B	−7N	+11B	+12N	+6N	3.5	10.0	12.0	8.00	1601	0.0
3	Montoto Arce, Oscar	1631	ESP	=2N	+12B	+8N	F	=1B	3.0	12.5	14.5	8.50	1843	+15.4
4	Suarez Suarez, Jose	1669	ESP	+14B	−9N	−5B	+11N	+13B	3.0	7.5	7.5	3.00	1385	-45.6
5	Ferrando Crespo, Jorge	1524	ESP	+10N	=8B	+4N	−1N	−7B	2.5	12.5	14.5	6.25	1684	+42.8
6	Del Valle Domenech, Trinidad	1529	ESP	+7B	−1N	+15B	=10N	−2B	2.5	12.5	12.5	3.50	1715	+14.4
7	Peixoto,Sergio Dantas	1746	BRA	−6N	+2B	=10N	F	+5N	2.5	11.0	13.0	7.00	1592	-11.4
8	Chen, Kaipeng	1607	CHN	+11B	=5N	−3B	F	+10B	2.5	10.0	12.0	5.25	1626	+2.8
9	Talavera Martinez, Carlos	1536	ESP	+15N	+4B	−1B	F	F	2.0	10.5	10.5	3.00	1674	+7.4
10	Karam, Elias	1725	ESP	−5B	+14N	=7B	=6B	−8N	2.0	10.0	10.0	2.50	1407	-66.0
11	Tkachev, Grigorii	0	RUS	−8N	+13B	−2N	−4B	+14N	2.0	10.0	10.0	1.00	1457	0.0
12	Chen, Hao	1424	CHN	F	−3N	+14B	−2B	+15N	2.0	6.5	6.5	0.00	832	-9.2
13	Espinosa Aparicio, Enrique	1471	ESP	−1B	−11N	F	+15B	−4N	1.0	9.5	9.5	0.00	874	-9.4
14	FIDE 535070250	0	—	−4N	−10B	−12N	F	−11B	0.0	9.0	9.0	0.00	805	0.0
15	FIDE 540065707	0	—	−9B	F	−6N	−13N	−12B	0.0	7.5	7.5	0.00	690	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Ferrando Crespo, JorgeESP
+42.8
2.5 pts · #4
2Rincon Rodriguez, MateoCOL
+42.4
4.5 pts · #1
3Montoto Arce, OscarESP
+15.4
3.0 pts · #2

Top rating losers

1Karam, EliasESP
-66.0
2.0 pts · #11
2Suarez Suarez, JoseESP
-45.6
3.0 pts · #8
3Peixoto,Sergio DantasBRA
-11.4
2.5 pts · #5

Biggest upsets

R1+217 Elo gap
Del Valle Domenech, Trinidad1529 beat Peixoto,Sergio Dantas1746
R1+201 Elo gap
Ferrando Crespo, Jorge1524 beat Karam, Elias1725
R3+145 Elo gap
Ferrando Crespo, Jorge1524 beat Suarez Suarez, Jose1669