CChessStats

3er IRT Cerrado Clasico Del Rio Magdalena-Absoluto

Open SwissStandard

8 players participated in this 4-round tournament, held from 22 Sept 2025 to 24 Sept 2025 in Puerto Boyaca - BOY, Colombia. 6 titled players from 2 federations. Top 10 Elo average was 1930, and top seed was Alvaro Garcia Alarcon (🇨🇴 COL, FM, 2082).

Jose Antonio Gutierrez Herrera (🇨🇴 COL, IM, 1954) won with 3.5/4, ahead of Efrain Valle (3.0) and Jose Ernesto Aponte Castillo (3.0). Gutierrez Herrera won solo starting round 3.

The biggest upset came in round 2: Deycy Daniela Raymundo (WFM, 1842) beat Alvaro Garcia Alarcon (FM, 2082), a +240-point gap.

Location
🇨🇴Puerto Boyaca - BOY, Colombia
Dates
22 Sept 2025 → 24 Sept 2025
Time control
Standard: 90 minutes for game with 30 seconds delay from move 1
System
Swiss · 4 rounds
Top seed
🇨🇴FMAlvaro Garcia Alarcon2082
Avg top 10
1,930
Participants
8
Titled players · 6
IM×1
FM×2
WIM×1
WFM×1
WCM×1
Federations · 2 represented
🇨🇴Colombia×4
🇬🇹Guatemala×4
Top 3

How it unfolded

Top 6 · 4 rounds

IM Jose Antonio Gutierrez Herrera led from R3; +0.5-point edge over the runner-up.

Co-leaders
3
2
1
1
1234R1R2R3R4
Gutierrez Herrera3.5Valle3Aponte Castillo3Garcia Alarcon2Raymundo1.5Mazariegos Kummerfeldt1.5
R3–R4 · LEAD HELD

IM Jose Antonio Gutierrez Herrera held the sole lead from R3 through R4 without losing it.

R1–R3 · WIN STREAK

IM Jose Antonio Gutierrez Herrera won 3 in a row (R1–R3).

Grille américaine

#PlayerEloFedR1R2R3R4PtsBu C1BuSBPerfΔ
1Gutierrez Herrera, Jose AntonioIM1954COL+7N+8B+6N=5B3.54.04.53.752173+17.4
2Valle, EfrainFM2028COL=6B+5N=8B+7N3.04.04.53.502030+0.4
3Aponte Castillo, Jose Ernesto2030COL+8N+7B−5N+6B3.04.04.53.002030+0.2
4Garcia Alarcon, AlvaroFM2082COL+5B−6N−7B+8N2.04.04.52.001837-24.2
5Mazariegos Kummerfeldt, CarolinaWIM1871GUA−4N−2B+3B=1N1.59.511.54.751936+6.0
6Raymundo, Deycy DanielaWFM1842GUA=2N+4B−1B−3N1.59.511.53.501936+17.2
7Juarez Garcia, Daniela1861GUA−1B−3N+4N−2B1.09.511.52.001830-3.0
8Santiago Sontay, Jenny FernandaWCM1771GUA−3B−1N=2N−4B0.59.511.51.501701-5.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets