CChessStats

2025 Cornerstone Holiday Norm Invitationals #1 - IM A

Round-RobinStandard

10 players participated in this 9-round tournament, held from 26 Dec 2025 to 30 Dec 2025 in Sunnyvale, CA, United States. 6 titled players from 5 federations. Top 10 Elo average was 2228, and top seed was Azer Mirzoev (🇦🇿 AZE, GM, 2471).

Ivan Excender Soriano Quispe (🇵🇪 PER, IM, 2369) won with 7.5/9, ahead of Azer Mirzoev (6.5) and Emmanuel Jimenez Garcia (5.5). Soriano Quispe took the lead from round 4.

The biggest upset came in round 2: Steve Wongso (2199) beat Azer Mirzoev (GM, 2471), a +272-point gap.

Location
🇺🇸Sunnyvale, CA, United States
Dates
26 Dec 2025 → 30 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Round-robin · 9 rounds
Top seed
🇦🇿GMAzer Mirzoev2471
Avg top 10
2,228
Participants
10
Titled players · 6
GM×1
IM×2
FM×3
Federations · 5 represented
🇺🇸United States of America×6
🇮🇳India×1
🇵🇪Peru×1
🇨🇷Costa Rica×1
🇦🇿Azerbaijan×1
Top 3

How it unfolded

Top 10 · 9 rounds

IM Ivan Excender Soriano Quispe led from R4 onwards, the runner-up race stayed tight.

Co-leaders
4
2
1
1
1
1
1
1
1
#1#2#5#10R1R2R3R4R5R6R7R8R9Soriano Quispe takes lead
R4 · LEADER CHANGE28 Dec

IM Ivan Excender Soriano Quispe takes the sole lead (3.5/4).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

IM Ivan Excender Soriano Quispe drew with GM Azer Mirzoev (White).

WIN STREAKS · 2 top finishers

IM Ivan Excender Soriano Quispe 3 wins (R6–R8)FM Lucas Jiang 3 wins (R1–R3)

Cross-table

#PlayerElo12345678910PtsSBBhΔ EloPerf
1🇵🇪IMSoriano Quispe, Ivan Excender2369*½½1111½117.529.7537.5+25.62486
2🇦🇿GMMirzoev, Azer2471½*1½101½116.526.2538.5-7.52376
4🇨🇷IMJimenez Garcia, Emmanuel2363½0*1½1½½½15.522.0039.5-6.52293
3🇺🇸FMJiang, Lucas22560½0*0111115.518.2539.5+12.82305
5🇺🇸FMYan, Nathan215500½1*½½½115.017.5040.0+28.22280
6🇺🇸Wongso, Steve21990100½*½1½½4.016.2541.0-5.22189
7🇮🇳FMVatsal Singhania222800½0½½*½114.012.5041.0-10.02185
8🇺🇸Zhou, Ruoyu2171½½½0½0½*½½3.516.0041.5-11.22155
9🇺🇸Champsi, Imran207800½00½0½*½2.07.2543.0-27.22025
10🇺🇸Bagdasarian, Ararat199400000½0½½*1.54.7543.5-12.21973

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets