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III IRT OPEN STANDARD MATECHESS 2025

Open SwissStandard

10 players participated in this 8-round tournament, held from 05 Dec 2025 to 09 Dec 2025 in Lima, Peru. 3 titled players. Top 10 Elo average was 1856, and top seed was German Gonzalo Quirhuayo Chumbe (🇵🇪 PER, IM, 2304).

German Gonzalo Quirhuayo Chumbe (🇵🇪 PER, IM, 2304) won with 7.0/8, ahead of Mateo Henry Palomino Quispe (5.5) and Luis Flores Tomasto (5.5). Quirhuayo Chumbe won solo starting round 2.

The biggest upset came in round 8: Ivan David Saenz Ayllon (1852) beat German Gonzalo Quirhuayo Chumbe (IM, 2304), a +452-point gap.

Location
🇵🇪Lima, Peru
Dates
05 Dec 2025 → 09 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 8 rounds
Top seed
🇵🇪IMGerman Gonzalo Quirhuayo Chumbe2304
Avg top 10
1,856
Participants
10
Titled players · 3
IM×1
FM×1
WCM×1
Federations · 1 represented
🇵🇪Peru×10
Top 3

How it unfolded

Top 6 · 8 rounds

IM German Gonzalo Quirhuayo Chumbe led from R2; +1.5-point edge over the runner-up.

Co-leaders
4
1
1
1
1
1
1
1
2468R1R2R3R4R5R6R7R8
R2–R8 · LEAD HELD

IM German Gonzalo Quirhuayo Chumbe never relinquished the lead after R2; final gap +1.5 over the runner-up.

R2 · HEAD-TO-HEAD · WINNER VS 2ND

IM German Gonzalo Quirhuayo Chumbe beat FM Mateo Henry Palomino Quispe (Black).

WIN STREAKS · 2 top finishers

IM German Gonzalo Quirhuayo Chumbe 7 wins (R1–R7)FM Mateo Henry Palomino Quispe 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8PtsBu C1BuSBPerfΔ
1Quirhuayo Chumbe, German GonzaloIM2304PER+4B+2N+3N+6B+8B+9N+7N−5B7.028.529.525.002312+3.8
2Palomino Quispe, Mateo HenryFM2085PER+8B−1B+7N+5N+6B=3N−4N+9B5.530.031.016.752042-3.2
3Flores Tomasto, Luis2289PER+7NF−1B+8N+5B=2B+6N+4N5.530.030.020.252209-6.4
4Angeles Castillo, Bastian Missael Valentin1793PER−1N−5B+10N+7B+9N=6N+2B−3B4.530.030.511.751908+44.4
5Saenz Ayllon, Ivan David1852PER=9B+4N−6N−2B−3N+10B+8B+1N4.529.029.514.501910+11.6
6Bedoya Rosales, Luis1916PER+10NF+5B−1N−2N=4B−3B+7N3.530.530.510.251941+2.2
7Torres Arambulo, Koharu AizeWCM1676PER−3B+9N−2B−4N+10B+8N−1B−6B3.029.029.53.501733+5.2
8Burgos Lujan, Mohamed Pompeyo1634PER−2N+10B+9N−3B−1N−7B−5NF2.027.027.01.501635-1.8
9Llaury Puyo, Aaron Marcel1420PER=5N−7B−8B=10N−4B−1BF−2N1.027.027.02.501423-1.4
10Jauregui Casas, Lhuanna Khalezzy1590PER−6B−8N−4B=9B−7N−5NFF0.518.518.50.501311-62.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
III IRT OPEN STANDARD MATECHESS 2025 — Lima, Peru | Chess Tournament Results | ChessStats