CChessStats

Jueves Clasico

Open SwissStandard

16 players participated in this 5-round tournament, held from 02 Oct 2025 to 30 Oct 2025 in Carolina, Puerto Rico. 2 titled players. Top 10 Elo average was 1811, and top seed was Gabriel Pinales Roussel (πŸ‡΅πŸ‡· PUR, CM, 1978).

Doan Santiago Izquierdo (πŸ‡΅πŸ‡· PUR, 1890) won with 3.5/5, ahead of Louis E. Carrion Perez (3.0) and Jose A. Lopez Rivera (3.0). Santiago Izquierdo clinched sole first place in the final round.

The biggest upset came in round 4: Erwin S. Kiess Alfonso (1583) beat Juan R. Padin Rivera (1860), a +277-point gap.

Location
πŸ‡΅πŸ‡·Carolina, Puerto Rico
Dates
02 Oct 2025 β†’ 30 Oct 2025
Time control
Standard: All Moves in 75 Min. Incr. 10 Sec. / /
System
Swiss Β· 5 rounds
Top seed
πŸ‡΅πŸ‡·CMGabriel Pinales Roussel1978
Avg top 10
1,811
Participants
16
Titled players Β· 2
CMΓ—1
WCMΓ—1
Federations Β· 1 represented
πŸ‡΅πŸ‡·Puerto RicoΓ—16
Top 3

How it unfolded

Top 6 Β· 5 rounds

Doan Santiago Izquierdo led from R3; +0.5-point edge over the runner-up.

Co-leaders
4
3
1
1
1
1.52.545R1R2R3R4R5Carrion Perez takes leadSantiago Izquierdo takes lead
R4 Β· LEADER CHANGE23 Oct

Louis E. Carrion Perez takes the sole lead (3.0/4).

R2–R5 Β· WIN STREAK

Doan Santiago Izquierdo won 3 in a row (R2–R5).

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1Doan Santiago Izquierdo*β€”
1
β€”
2Jose A. Lopez Riveraβ€”*β€”
Β½
3Louis E. Carrion Perez
0
β€”*β€”
4Eduardo A. Vera Ramirezβ€”
Β½
β€”*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΞ”
1Santiago Izquierdo, Doan1890PUR=4N+13B+6BF+2B3.58.58.57.252048+23.6
2Carrion Perez, Louis E.1878PUR+9B=10N=11B+7Bβˆ’1N3.08.510.05.001913+3.4
3Lopez Rivera, Jose A.1800PURβˆ’10N=9B+12N+8B=5N3.07.58.55.001869+9.0
4Kiess Alfonso, Erwin S.1583PUR=1Bβˆ’5N+16N+6Bβˆ’7N2.510.010.03.751815+19.4
5Vera Ramirez, Eduardo A.1881PURF+4BF+9N=3B2.57.07.05.501948+9.6
6Padin Rivera, Juan R.1860PURF+14Bβˆ’1Nβˆ’4N+12B2.08.08.02.001597-22.8
7Pinales Roussel, GabrielCM1978PURF+8BFβˆ’2N+4B2.07.57.54.501853-7.4
8Nieves Cobian, Angel1719PUR+16Bβˆ’7N+15Bβˆ’3NF2.07.57.51.001697-4.4
9Chevere Duperoy, Roberto1649PURβˆ’2N=3NFβˆ’5B+14B1.59.510.52.501657-0.8
10Bravo Rios, Elton0PUR+3B=2BFFF1.59.59.54.5018590.0
11Deliz Orengo, Arturo1754PURF+12B=2NFF1.55.55.52.501862+13.2
12Fuentes Aledo, Jeremy1438PURFβˆ’11Nβˆ’3B+15Nβˆ’6N1.07.57.51.001581+18.0
13Stuart, Sean0PUR+15Bβˆ’1NFβˆ’14NF1.07.07.01.0015420.0
14Vera Perez, Gabriela S.WCM1456PURFβˆ’6NF+13Bβˆ’9N1.04.54.51.00934-11.6
15Velez Feliciano, Vladimir1696PURβˆ’13N+16Bβˆ’8Nβˆ’12BF1.04.04.00.00786-50.8
16Estrada Nieves, Chloe A.1423PURβˆ’8Nβˆ’15Nβˆ’4BFF0.06.56.50.008650.0

Key insights

Biggest movers and upsets β€” the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
Jueves Clasico (2025) β€” Carolina, Puerto Rico | Chess Tournament Results | ChessStats