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
Federations · 3 represented
🇺🇸United States of America×34
FIDE (no federation)×1
🇨🇦Canada×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 4 roundsAnsh Shah led from R3; +0.5-point edge over the runner-up.
Co-leaders
11
2
1
1
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| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Ansh Shah | * | — | 1 | — |
| 2Wayne Ballantyne | — | * | — | — |
| 3FIDE 2620375 | 0 | — | * | 1 |
| 4Arjunsai Navaneetha Prabhu | — | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Shah, Ansh | 1574 | USA | +30B | +9N | +3B | +6N | 4.0 | 8.0 | 9.0 | 9.00 | 2555 | +88.0 |
| 2 | Ballantyne, Wayne | 1821 | USA | =23B | +25N | +14B | +7N | 3.5 | 6.0 | 7.0 | 6.25 | 1929 | +7.2 |
| 3 | FIDE 2620375 | 0 | — | +15N | +4B | −1N | +16B | 3.0 | 9.0 | 11.0 | 7.00 | 1574 | 0.0 |
| 4 | Navaneetha Prabhu, Arjunsai | 1555 | USA | +13B | −3N | +26B | +12N | 3.0 | 7.0 | 8.0 | 5.00 | 2406 | +67.2 |
| 5 | Long, Youting | 1579 | USA | =25B | +31N | =12B | +13N | 3.0 | 5.0 | 6.0 | 4.50 | 1754 | +28.0 |
| 6 | Doshi, Ansh Ankit | 1775 | USA | +28B | =7N | +10B | −1B | 2.5 | 9.0 | 10.0 | 4.75 | 1689 | -17.2 |
| 7 | Kayal, Rishan | 1657 | USA | +16N | =6B | +8N | −2B | 2.5 | 8.5 | 10.5 | 5.75 | 1810 | +32.8 |
| 8 | Vuluvala, Ritvik | 1758 | FID | +19B | =14N | −7B | +23N | 2.5 | 6.5 | 8.0 | 4.50 | 1672 | -17.2 |
| 9 | Yuen, Toma | 1754 | CAN | +37N | −1B | =15N | +35B | 2.5 | 6.5 | 6.5 | 1.50 | 1657 | -9.6 |
| 10 | Jagath, Roshan | 1648 | USA | +26B | =17N | −6N | +34B | 2.5 | 5.5 | 6.0 | 2.50 | 1741 | +19.6 |
| 11 | Wang, Angela Zixi | 1531 | USA | +27B | =36N | =17B | =18N | 2.5 | 5.0 | 5.5 | 3.25 | 1772 | +37.6 |
| 12 | Bogi, Yudhin | 1569 | USA | =18N | +32B | =5N | −4B | 2.0 | 8.0 | 9.0 | 3.50 | 1593 | +3.6 |
| 13 | Patil, Anushka | 1771 | USA | −4N | +20B | +33N | −5B | 2.0 | 8.0 | 9.0 | 3.00 | 1463 | -48.4 |
| 14 | Yan, Rayna | 1625 | USA | +38N | =8B | −2N | =15B | 2.0 | 8.0 | 8.0 | 2.25 | 1634 | +1.6 |
| 15 | Dai, Jonathan | 1498 | USA | −3B | +28N | =9B | =14N | 2.0 | 7.5 | 8.5 | 3.25 | 1750 | +39.2 |
| 16 | Zhang, Jessica | 1506 | USA | −7B | +19N | +30B | −3N | 2.0 | 7.5 | 8.5 | 3.00 | 1751 | +38.4 |
| 17 | Manvelyan, Hovik | 1786 | USA | +20N | =10B | =11N | F | 2.0 | 7.0 | 7.0 | 4.50 | 1590 | -10.0 |
| 18 | Prabhu, Khesav | 0 | USA | =12B | +23N | F | =11B | 2.0 | 6.0 | 6.0 | 3.75 | 1567 | 0.0 |
| 19 | Wang, Yulan | 1485 | USA | −8N | −16B | +37N | +29B | 2.0 | 5.5 | 5.5 | 1.00 | 1616 | +27.2 |
| 20 | FIDE 39933709 | 0 | — | −17B | −13N | +28B | +26N | 2.0 | 5.0 | 6.0 | 2.00 | 1632 | 0.0 |
| 21 | Khurana, Viyaan | 1536 | USA | =29N | =34B | −27N | +38B | 2.0 | 2.5 | 2.5 | 0.75 | 1532 | -1.2 |
| 22 | Sayiner, Necip | 1601 | USA | F | F | +29N | +27B | 2.0 | 2.0 | 2.0 | 2.00 | 2361 | +17.8 |
| 23 | Wang, Matthew | 1542 | USA | =2N | −18B | +25N | −8B | 1.5 | 8.0 | 9.0 | 2.75 | 1709 | +25.2 |
| 24 | DB, Pranav | 1657 | USA | =32N | =29B | =35N | F | 1.5 | 2.5 | 2.5 | 1.25 | 1615 | -7.2 |
| 25 | Han, Wilson | 1548 | USA | =5N | −2B | −23B | =32N | 1.0 | 8.0 | 9.0 | 2.00 | 1453 | -20.4 |
| 26 | Zhang, Lucas | 1477 | USA | −10N | +37B | −4N | −20B | 1.0 | 7.5 | 7.5 | 0.00 | 1471 | -0.4 |
| 27 | Amin, Eshaan Kashyap | 1507 | USA | −11N | F | +21B | −22N | 1.0 | 6.5 | 6.5 | 2.00 | 1431 | -12.0 |
| 28 | Liao, Aiden | 1494 | USA | −6N | −15B | −20N | +37B | 1.0 | 6.5 | 6.5 | 0.00 | 1494 | -1.6 |
| 29 | Kumar, Vihaan | 1616 | USA | =21B | =24N | −22B | −19N | 1.0 | 6.0 | 7.5 | 1.75 | 1377 | -50.0 |
| 30 | Siegelman, Russell L | 1737 | USA | −1N | +38B | −16N | F | 1.0 | 6.0 | 6.0 | 0.00 | 1389 | -53.2 |
| 31 | Dodia, Aryan | 0 | USA | F | −5B | +32N | −33B | 1.0 | 5.0 | 5.0 | 1.00 | 1492 | 0.0 |
| 32 | Rapaka, Anish | 1643 | USA | =24B | −12N | −31B | =25B | 1.0 | 4.5 | 5.5 | 1.25 | 1466 | -28.4 |
| 33 | Meacham, Max Katkin | 1630 | USA | F | F | −13B | +31N | 1.0 | 3.0 | 3.0 | 1.00 | 971 | -12.4 |
| 34 | Liu, Kaihan | 1544 | USA | F | =21N | F | −10N | 0.5 | 4.5 | 4.5 | 1.00 | 1400 | -14.8 |
| 35 | Yu, Andrew | 1587 | USA | F | F | =24B | −9N | 0.5 | 4.0 | 4.0 | 0.75 | 1513 | -7.2 |
| 36 | Gao, Ethan Wangchen | 1650 | USA | F | =11B | F | F | 0.5 | 2.5 | 2.5 | 1.25 | 1531 | -6.4 |
| 37 | Agdamag, Samuel | 1585 | USA | −9B | −26N | −19B | −28N | 0.0 | 5.5 | 6.5 | 0.00 | 753 | -43.8 |
| 38 | Yu, Andrew | 1460 | USA | −14B | −30N | F | −21N | 0.0 | 5.0 | 5.0 | 0.00 | 833 | -33.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Shah, AnshUSA+88.04.0 pts · #3
- 2Navaneetha Prabhu, ArjunsaiUSA+67.23.0 pts · #4
- 3Dai, JonathanUSA+39.22.0 pts · #18
Top rating losers
- 1Siegelman, Russell LUSA-53.21.0 pts · #32
- 2Kumar, VihaanUSA-50.01.0 pts · #31
- 3Patil, AnushkaUSA-48.42.0 pts · #28
Biggest upsets
- R3+231 Elo gap
- R1+216 Elo gap
- R4+201 Elo gap