CChessStats

Torneo Clasico Sigfrido Cordero Agosto 2025

Open SwissStandard

10 players participated in this 9-round tournament, held from 23 Aug 2025 to 29 Aug 2025 in San Juan de la Maguana, Dominican Republic. Top 10 Elo average was 1548, and top seed was Alexandro Montero Montero (🇩🇴 DOM, 2123).

Alexandro Montero Montero (🇩🇴 DOM, 2123) won with 8.0/9, ahead of Marcos Antonio Valdez Cadena (7.5) and Carlos Adames Ramirez (6.0). Montero Montero broke clear in the final round.

The biggest upset came in round 8: Marcos Antonio Valdez Cadena (1890) beat Alexandro Montero Montero (2123), a +233-point gap.

Location
🇩🇴San Juan de la Maguana, Dominican Republic
Dates
23 Aug 2025 → 29 Aug 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Top seed
🇩🇴Alexandro Montero Montero2123
Avg top 10
1,548
Participants
10
Federations · 1 represented
🇩🇴Dominican Republic×10
Top 3

How it unfolded

Top 6 · 9 rounds

Alexandro Montero Montero 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
4
3
3
2
1
1
1
2
1
2.54.579R1R2R3R4R5R6R7R8R9
Montero Montero8Valdez Cadena7.5Adames Ramirez6Rodriguez Meran5Salcie5Cuello Perez5
R5–R9 · LEAD HELD

Alexandro Montero Montero held the sole lead from R5 through R9 without losing it.

R8 · HEAD-TO-HEAD · WINNER VS 2ND

Alexandro Montero Montero lost to Marcos Antonio Valdez Cadena (Black).

WIN STREAKS · 3 top finishers

Alexandro Montero Montero 7 wins (R1–R7)Marcos Antonio Valdez Cadena 4 wins (R1–R4)Carlos Adames Ramirez 3 wins (R6–R8)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Alexandro Montero Montero*
0
1
1
2Marcos Antonio Valdez Cadena
1
*
½
½
3Carlos Adames Ramirez
0
½
*
1
4Edgar Antonio Rodriguez Meran
0
½
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Montero Montero, Alexandro2123DOM+4N+9B+10N+6N+3B+8N+7B−2N+5B8.036.037.029.502217+12.4
2Valdez Cadena, Marcos Antonio1890DOM+8B+7N+6B+5B=4N=9B+10N+1B=3N7.536.537.531.502172+49.4
3Adames Ramirez, Carlos1917DOM−5N+4B=9N+10B−1N+6N+8B+7N=2B6.038.039.021.751988+13.2
4Rodriguez Meran, Edgar Antonio1918DOM−1B−3N+8B−7N=2B+5N=6B+9B+10N5.039.040.015.751988+13.2
5Cuello Perez, Richar Orlando1948DOM+3B+8N+7B−2N−6B−4B+9N+10B−1N5.039.040.014.501883-13.0
6Salcie, Francisco1978DOM=7N+10B−2N−1B+5N−3B=4N+8B+9N5.039.040.014.001929-18.8
7De Los Santos, Jesus Maria0DOM=6B−2B−5N+4B+9N+10B−1N−3B=8N4.040.041.010.7518480.0
8Viola Herrera, Victor Manuel1869DOM−2N−5B−4N+9B+10N−1B−3N−6N=7B2.541.542.54.001636-36.0
9Cordero Mateo, Sigfrido Alejandro1839DOM−10B−1N=3B−8N−7B=2N−5B−4N−6B1.043.044.06.751640-29.8
10Ramirez, Orbito0DOM+9N−6N−1B−3N−8B−7N−2B−5N−4B1.043.044.01.0016130.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets