CChessStats

24th Pafnutieff Memorial Tournament - 1600-1999

Open SwissStandard

38 players participated in this 4-round tournament, held from 28 Mar 2026 to 29 Mar 2026 in San Francisco, CA, United States. 3 federations represented. Top 10 Elo average was 1737, and top seed was Wayne Ballantyne (🇺🇸 USA, 1821).

Ansh Shah (🇺🇸 USA, 1574) won with 4.0/4, ahead of Wayne Ballantyne (3.5). Shah won solo starting round 3.

The biggest upset came in round 3: Jessica Zhang (1506) beat Russell L Siegelman (1737), a +231-point gap.

Location
🇺🇸San Francisco, CA, United States
Dates
28 Mar 2026 → 29 Mar 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 4 rounds
Top seed
🇺🇸Wayne Ballantyne1821
Avg top 10
1,737
Participants
38
Federations · 3 represented
🇺🇸United States of America×34
FIDE (no federation)×1
🇨🇦Canada×1
Top 3
  • 🥇
    🇺🇸USA·1574
    4.0pts·2555perf+88.0
  • 🥈
    🇺🇸USA·1821
    3.5pts·1929perf+7.2
  • 🥉
    —
    3.0pts·1574perf0.0

How it unfolded

Top 6 · 4 rounds

Ansh Shah led from R3; +0.5-point edge over the runner-up.

Co-leaders
11
2
1
1
1234R1R2R3R4
R3–R4 · LEAD HELD

Ansh Shah held the sole lead from R3 through R4 without losing it.

WIN STREAKS · 2 top finishers

Ansh Shah 4 wins (R1–R4)Wayne Ballantyne 3 wins (R2–R4)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Ansh Shah*—
1
—
2Wayne Ballantyne—*——
3FIDE 2620375
0
—*
1
4Arjunsai Navaneetha Prabhu——
0
*

Grille américaine

#PlayerEloFedR1R2R3R4PtsBu C1BuSBPerfΔ
1Shah, Ansh1574USA+30B+9N+3B+6N4.08.09.09.002555+88.0
2Ballantyne, Wayne1821USA=23B+25N+14B+7N3.56.07.06.251929+7.2
3FIDE 26203750—+15N+4B−1N+16B3.09.011.07.0015740.0
4Navaneetha Prabhu, Arjunsai1555USA+13B−3N+26B+12N3.07.08.05.002406+67.2
5Long, Youting1579USA=25B+31N=12B+13N3.05.06.04.501754+28.0
6Doshi, Ansh Ankit1775USA+28B=7N+10B−1B2.59.010.04.751689-17.2
7Kayal, Rishan1657USA+16N=6B+8N−2B2.58.510.55.751810+32.8
8Vuluvala, Ritvik1758FID+19B=14N−7B+23N2.56.58.04.501672-17.2
9Yuen, Toma1754CAN+37N−1B=15N+35B2.56.56.51.501657-9.6
10Jagath, Roshan1648USA+26B=17N−6N+34B2.55.56.02.501741+19.6
11Wang, Angela Zixi1531USA+27B=36N=17B=18N2.55.05.53.251772+37.6
12Bogi, Yudhin1569USA=18N+32B=5N−4B2.08.09.03.501593+3.6
13Patil, Anushka1771USA−4N+20B+33N−5B2.08.09.03.001463-48.4
14Yan, Rayna1625USA+38N=8B−2N=15B2.08.08.02.251634+1.6
15Dai, Jonathan1498USA−3B+28N=9B=14N2.07.58.53.251750+39.2
16Zhang, Jessica1506USA−7B+19N+30B−3N2.07.58.53.001751+38.4
17Manvelyan, Hovik1786USA+20N=10B=11NF2.07.07.04.501590-10.0
18Prabhu, Khesav0USA=12B+23NF=11B2.06.06.03.7515670.0
19Wang, Yulan1485USA−8N−16B+37N+29B2.05.55.51.001616+27.2
20FIDE 399337090—−17B−13N+28B+26N2.05.06.02.0016320.0
21Khurana, Viyaan1536USA=29N=34B−27N+38B2.02.52.50.751532-1.2
22Sayiner, Necip1601USAFF+29N+27B2.02.02.02.002361+17.8
23Wang, Matthew1542USA=2N−18B+25N−8B1.58.09.02.751709+25.2
24DB, Pranav1657USA=32N=29B=35NF1.52.52.51.251615-7.2
25Han, Wilson1548USA=5N−2B−23B=32N1.08.09.02.001453-20.4
26Zhang, Lucas1477USA−10N+37B−4N−20B1.07.57.50.001471-0.4
27Amin, Eshaan Kashyap1507USA−11NF+21B−22N1.06.56.52.001431-12.0
28Liao, Aiden1494USA−6N−15B−20N+37B1.06.56.50.001494-1.6
29Kumar, Vihaan1616USA=21B=24N−22B−19N1.06.07.51.751377-50.0
30Siegelman, Russell L1737USA−1N+38B−16NF1.06.06.00.001389-53.2
31Dodia, Aryan0USAF−5B+32N−33B1.05.05.01.0014920.0
32Rapaka, Anish1643USA=24B−12N−31B=25B1.04.55.51.251466-28.4
33Meacham, Max Katkin1630USAFF−13B+31N1.03.03.01.00971-12.4
34Liu, Kaihan1544USAF=21NF−10N0.54.54.51.001400-14.8
35Yu, Andrew1587USAFF=24B−9N0.54.04.00.751513-7.2
36Gao, Ethan Wangchen1650USAF=11BFF0.52.52.51.251531-6.4
37Agdamag, Samuel1585USA−9B−26N−19B−28N0.05.56.50.00753-43.8
38Yu, Andrew1460USA−14B−30NF−21N0.05.05.00.00833-33.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
24th Pafnutieff Memorial Tournament - 1600-1999 — San Francisco, CA, United States | Chess Tournament Results | ChessStats