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2nd Koltanowski Memorial Tournament - 2000 and Over

Open SwissStandard

33 players participated in this 4-round tournament, held from 16 Aug 2025 to 17 Aug 2025 in San Francisco, CA, United States. 1 titled players from 4 federations. Top 10 Elo average was 1956, and top seed was Luke Widjaja (🇺🇸 USA, CM, 2069).

Pranav Sairam (🇺🇸 USA, 2014) won with 3.5/4, ahead of Dmitry Vayntrub (3.5) and Sanat Singhal (3.5). Sairam shared the lead from round 1, winning on tie-break.

The biggest upset came in round 4: Kshitij Tomar (1686) beat Reyansh Gupta (1856), a +170-point gap.

Location
🇺🇸San Francisco, CA, United States
Dates
16 Aug 2025 → 17 Aug 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 4 rounds
Top seed
🇺🇸CMLuke Widjaja2069
Avg top 10
1,956
Participants
33
Titled players · 1
CM×1
Federations · 4 represented
🇺🇸United States of America×30
🇵🇬Papua New Guinea×1
🇯🇵Japan×1
🇮🇳India×1
Top 3
  • 🥇
    Pranav Sairam
    🇺🇸USA·2014
    3.5pts·2697perf+42.4
  • 🥈
    Dmitry Vayntrub
    🇺🇸USA
    3.5pts·1948perf0.0
  • 🥉
    Sanat Singhal
    🇮🇳IND·1905
    3.5pts·2136perf+18.8

How it unfolded

Top 6 · 4 rounds

Tight race until R4; 3 players tied at 3.5/4, decided on Buchholz. Title race narrowed from 3 co-leaders at R4 to 3 at the finish.

Co-leaders
12
5
2
3
1234R1R2R3R4
Vayntrub3.5Singhal3.5Sairam3.5Tomar3Paragiri3Biyiasas3
R4 · TIEBREAK CLUSTER

3 players finish on 3.5/4. Sairam takes the title on Buchholz Cut1 (8.5).

WIN STREAKS · 3 top finishers

Dmitry Vayntrub 3 wins (R1–R3)Sanat Singhal 3 wins (R2–R4)Pranav Sairam 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Dmitry Vayntrub*—
½
—
2Sanat Singhal—*——
3Pranav Sairam
½
—*—
4Kshitij Tomar———*

Grille américaine

#PlayerEloFedR1R2R3R4PtsBu C1BuSBPerfΔ
1Sairam, Pranav2014USA+33B+15N+4B=2N3.58.58.56.752697+42.4
2Vayntrub, Dmitry0USA+22N+10B+16N=1B3.57.59.07.2519480.0
3Sanat Singhal1905IND=24N+28B+12N+11B3.55.05.55.002136+18.8
4Widjaja, LukeCM2069USA+23N+13B−1N+10B3.07.59.05.502089+4.4
5Biyiasas, Theodore2031USA=6B+25N+26B=7N3.07.08.05.002029+1.2
6Tomar, Kshitij1686USA=5N=17B+31N+14B3.07.07.04.502072+78.0
7Paragiri, Reyansh2018USA=28N+24B+11N=5B3.06.06.54.752060+10.4
8Jain, Kanishk1797USA+18N=12B−14N+22B2.56.07.54.501901+22.0
9Wu, Zhuoyuan1900USA−13N=18B+30N+17B2.56.06.53.501910+1.5
10Gnana Hari Sekar, Easwar1811USA+31B−2N+20B−4N2.08.58.52.002007+30.0
11Kane, Kevin1948USA+20B+32N−7B−3N2.08.58.52.001844-10.2
12Shi, Evan1762USA+29B=8N−3B=15N2.08.08.52.751830+14.8
13Ng, Alexander PN1916JPN+9B−4N=15B=21N2.07.59.54.501879-7.2
14Gupta, Reyansh1856USA−19B+27N+8B−6N2.07.58.53.501747-23.2
15Chin, Zee1840USA+30N−1B=13N=12B2.07.58.02.501864+4.8
16Jin, Austin1880USA+27B+19N−2BF2.06.56.53.002553+26.0
17Pavuluri, Vivaan1823USA=25B=6N+32B−9N2.06.56.52.001757-14.0
18Wang, Chase1754USA−8B=9N+29B=24N2.06.06.52.251804+7.0
19Suthar, Om1752USA+14N−16B−22N+32B2.05.55.52.001816+15.2
20Yi, Colin1772USA−11N+23B−10N+31B2.05.55.51.501853+17.6
21Harish, Vidyuth1708USA−26N=22B+28N=13B2.04.55.02.251847+30.0
22Lee, Noah T1846USA−2B=21N+19B−8N1.58.010.03.001750-16.0
23Rajaram, Raghu1845USA−4B−20N=25B+29N1.56.06.51.001758-10.6
24Chen, Leo H1742USA=3B−7NF=18B1.08.58.52.751769+2.8
25Brongersma, Hayden Scott1759USA=17N−5B=23N−27B1.06.57.51.751671-18.4
26Srinivasan, Sivavishnu1878USA+21BF−5NF1.05.05.02.001869-1.2
27Suresh, Sudeep1758USA−16N−14BF+25N1.05.05.01.001707-8.0
28Tia, Rudy Jr.1750PNG=7B−3N−21BF0.58.58.51.501604-10.4
29Natraj, Tapas Aarav1779USA−12N=30B−18N−23B0.55.56.00.251461-59.2
30Perlov, Daniel1764USA−15B=29N−9BF0.55.05.00.251566-14.0
31Hakobyan, Sos1806USA−10NF−6B−20N0.07.07.00.00956-34.0
32Xu, Olivia1683USAF−11B−17N−19N0.06.06.00.001039-32.4
33Silvestre, Romulo1780USA−1NFFF0.03.53.50.001214-8.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
2nd Koltanowski Memorial Tournament - 2000 and Over — San Francisco, CA, United States | Chess Tournament Results | ChessStats