2025 Mona Karff Memorial - Marshall Chess Club Women's Championship
Open SwissStandard
37 players participated in this 5-round tournament, held from 07 Nov 2025 to 09 Nov 2025 in New York, NY, United States. 15 titled players from 5 federations. Top 10 Elo average was 2084, and top seed was Irina Krush (🇺🇸 USA, GM, 2396).
Irina Krush (🇺🇸 USA, GM, 2396) won with 5.0/5, ahead of Jessica Hyatt (4.0) and Chloe Gaw (4.0). Krush won solo starting round 4.
The biggest upset came in round 4: Sydney Strauss (1498) beat Allyson Yu (WCM, 1816), a +318-point gap.
Location
🇺🇸New York, NY, United States
Dates
07 Nov 2025 → 09 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Titled players · 15
GM×1
FM×2
CM×1
WIM×2
WFM×1
WCM×8
Federations · 5 represented
🇺🇸United States of America×33
🇯🇲Jamaica×1
🇹🇷Turkiye×1
🇮🇳India×1
🇨🇦Canada×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsGM Irina Krush led from R4; +1.0-point edge over the runner-up.
Co-leaders
10
4
2
1
1
R4–R5 · LEAD HELD
GM Irina Krush never relinquished the lead after R4; final gap +1.0 over the runner-up.
R1–R5 · WIN STREAK
GM Irina Krush won 5 in a row (R1–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1GMIrina Krush | * | — | — | 1 |
| 2Jessica Hyatt | — | * | — | — |
| 3WIMChloe Gaw | — | — | * | — |
| 4WCMHema Vikas | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Krush, IrinaGM | 2396 | USA | +23B | +7N | +5B | +4N | +10B | 5.0 | 11.5 | 13.0 | 13.00 | 2860 | +6.9 |
| 2 | Hyatt, Jessica | 1949 | USA | +17B | +15N | −4B | +9N | +5B | 4.0 | 11.0 | 13.0 | 10.00 | 2155 | +25.0 |
| 3 | Gaw, ChloeWIM | 2044 | USA | +13B | =16N | +14B | =10N | +4B | 4.0 | 10.5 | 12.5 | 10.25 | 2201 | +39.2 |
| 4 | Yu, JenniferFM | 2294 | USA | +18N | +11B | +2N | −1B | −3N | 3.0 | 15.5 | 17.5 | 8.50 | 2107 | -18.0 |
| 5 | Aravindakshan, SahanaWIM | 1968 | USA | +22N | +32B | −1N | +20B | −2N | 3.0 | 13.0 | 14.0 | 5.00 | 2023 | +11.2 |
| 6 | Acevedo, Keyla | 1753 | USA | −11N | +18B | +19N | −8B | +24N | 3.0 | 9.5 | 11.0 | 5.50 | 1916 | +44.4 |
| 7 | Vikas, HemaWCM | 1943 | USA | +31N | −1B | +24N | +30B | F | 3.0 | 8.5 | 8.5 | 3.50 | 2022 | +17.6 |
| 8 | Tse, WhitneyWCM | 1976 | USA | F | +33B | −20N | +6N | +12B | 3.0 | 8.0 | 8.0 | 6.00 | 1963 | -1.6 |
| 9 | Zelner, Zoe | 1914 | USA | −15N | +36B | +35N | −2B | +30N | 3.0 | 7.0 | 7.0 | 1.00 | 1797 | -14.0 |
| 10 | Miller, RachelCM | 2016 | JAM | F | +21N | +16B | =3B | −1N | 2.5 | 13.0 | 13.0 | 6.00 | 2134 | +11.0 |
| 11 | Zhou, AbigailWCM | 1861 | USA | +6B | −4N | −12B | =25N | +27B | 2.5 | 10.0 | 11.5 | 5.25 | 1784 | -22.0 |
| 12 | Loh, Summer | 1695 | USA | F | =19B | +11N | +28B | −8N | 2.5 | 9.0 | 9.0 | 5.00 | 1977 | +58.0 |
| 13 | Alvarado-Yoshida, Nico | 1726 | USA | −3N | +31B | F | =16N | +25B | 2.5 | 8.5 | 8.5 | 3.50 | 1903 | +35.2 |
| 14 | Moshkevich, Elizabeth | 1827 | USA | F | +37B | −3N | =24B | +17N | 2.5 | 7.5 | 7.5 | 2.75 | 1870 | +4.8 |
| 15 | Sharf, Sam | 1714 | USA | +9B | −2B | −17N | +34N | −18B | 2.0 | 11.0 | 11.5 | 3.50 | 1768 | +6.6 |
| 16 | Weber, MadelineWCM | 1943 | USA | +30N | =3B | −10N | =13B | F | 2.0 | 10.0 | 10.0 | 4.25 | 1856 | -8.0 |
| 17 | Yuen, Daisy | 1676 | USA | −2N | +23N | +15B | F | −14B | 2.0 | 10.0 | 10.0 | 3.50 | 1768 | +18.0 |
| 18 | Chan, KaraWCM | 1826 | CAN | −4B | −6N | F | +33B | +15N | 2.0 | 8.5 | 8.5 | 2.50 | 1872 | +5.2 |
| 19 | Zhou, ElizabethWCM | 1766 | USA | F | =12N | −6B | =23N | +31B | 2.0 | 8.0 | 8.0 | 3.00 | 1640 | -26.0 |
| 20 | Chovanec, AliceWCM | 1835 | USA | F | +25N | +8B | −5N | F | 2.0 | 7.5 | 7.5 | 4.50 | 2011 | +28.0 |
| 21 | Stark, Chloe A | 1770 | USA | F | −10B | =22N | =26B | +23N | 2.0 | 7.5 | 7.5 | 3.25 | 1760 | -3.2 |
| 22 | De Villa, Kathleen Joy Meniano | 1789 | USA | −5B | =26N | =21B | F | +35N | 2.0 | 6.5 | 6.5 | 1.75 | 1771 | -4.8 |
| 23 | Rao, Dhruthi | 1582 | USA | −1N | −17B | +36N | =19B | −21B | 1.5 | 11.0 | 11.0 | 1.00 | 1617 | +4.8 |
| 24 | Liang, Melanie | 1795 | USA | F | +27N | −7B | =14N | −6B | 1.5 | 10.0 | 10.0 | 2.75 | 1668 | -26.8 |
| 25 | Lu, Marissa | 1713 | USA | F | −20B | +37N | =11B | −13N | 1.5 | 7.0 | 7.0 | 1.25 | 1664 | -11.6 |
| 26 | Chang, Charlotte Tai-En | 1655 | USA | −32N | =22B | =34B | =21N | F | 1.5 | 5.5 | 5.5 | 2.25 | 1715 | +11.2 |
| 27 | Strauss, Sydney | 1498 | USA | F | −24B | =33N | +32B | −11N | 1.5 | 5.5 | 5.5 | 1.25 | 1730 | +38.8 |
| 28 | Regam, JessicaWFM | 1925 | USA | F | +34N | =29B | −12N | F | 1.5 | 4.5 | 4.5 | 1.25 | 1944 | -0.2 |
| 29 | Su, Jasmine ZhixinFM | 2306 | USA | F | +35B | =28N | F | F | 1.5 | 1.5 | 1.5 | 0.75 | 2109 | -6.6 |
| 30 | Tushman, Fiona | 1639 | USA | −16B | F | +32N | −7N | −9B | 1.0 | 9.0 | 9.0 | 1.00 | 1713 | +11.6 |
| 31 | Lou, Aileen | 1533 | USA | −7B | −13N | F | +35B | −19N | 1.0 | 7.5 | 7.5 | 0.00 | 1585 | +6.8 |
| 32 | Yu, AllysonWCM | 1816 | USA | +26B | −5N | −30B | −27N | F | 1.0 | 7.0 | 7.0 | 1.50 | 1497 | -64.4 |
| 33 | Yang, Leah | 1798 | USA | F | −8N | =27B | −18N | F | 0.5 | 6.5 | 6.5 | 0.75 | 1493 | -43.2 |
| 34 | Sharuda, Kamelia | 1831 | USA | F | −28B | =26N | −15B | F | 0.5 | 5.0 | 5.0 | 0.75 | 1491 | -25.2 |
| 35 | Oviyanila, M | 1689 | IND | F | −29N | −9B | −31N | −22B | 0.0 | 7.5 | 7.5 | 0.00 | 1033 | -54.4 |
| 36 | Suner, Ceylin | 1636 | TUR | F | −9N | −23B | F | F | 0.0 | 4.5 | 4.5 | 0.00 | 952 | -29.6 |
| 37 | Nigam, Myra | 1584 | USA | F | −14N | −25B | F | F | 0.0 | 4.0 | 4.0 | 0.00 | 970 | -20.8 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Loh, SummerUSA+58.02.5 pts · #12
- 2Acevedo, KeylaUSA+44.43.0 pts · #6
- 3Gaw, ChloeWIMUSA+39.24.0 pts · #3
Top rating losers
- 1Yu, AllysonWCMUSA-64.41.0 pts · #31
- 2Oviyanila, MIND-54.40.0 pts · #35
- 3Yang, LeahUSA-43.20.5 pts · #34
Biggest upsets
- R4+318 Elo gap
- R5+250 Elo gap
- R4+230 Elo gap