CChessStats

2026 Spring Tuesday Night Marathon - Under 1600 Round 1-4

Open SwissStandard

26 players participated in this 4-round tournament, held from 03 Mar 2026 to 24 Mar 2026 in San Francisco, CA, United States. Top 10 Elo average was 1636, and top seed was Romeo Barreyro (🇺🇸 USA, 1744).

Andrew Burkett Rosston (🇺🇸 USA, 1695) won with 3.0/4, ahead of Neel Gore (3.0) and Bryan D Martin (3.0). Rosston won on tie-break after catching the field in the final round.

The biggest upset came in round 2: John Pirone (1490) beat Alexander Robins (1690), a +200-point gap.

Location
🇺🇸San Francisco, CA, United States
Dates
03 Mar 2026 → 24 Mar 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 4 rounds
Top seed
🇺🇸Romeo Barreyro1744
Avg top 10
1,636
Participants
26
Federations · 1 represented
🇺🇸United States of America×19
Top 3

How it unfolded

Top 6 · 4 rounds

Tight race until R4; 3 players tied at 3.0/4, decided on Buchholz. Title race narrowed from 3 co-leaders at R4 to 3 at the finish.

Co-leaders
7
3
1
3
1234R1R2R3R4
Rosston3Gore3Martin3Weaver2.5Karpe2.52— ex-leaders:Martinled R3, #14
R4 · TIEBREAK CLUSTER

3 players finish on 3.0/4. Rosston takes the title on Buchholz Cut1 (6.0).

R2 · HEAD-TO-HEAD · WINNER VS 2ND

Andrew Burkett Rosston beat Neel Gore (White).

WIN STREAKS · 2 top finishers

Andrew Burkett Rosston 3 wins (R1–R4)Bryan D Martin 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Andrew Burkett Rosston*
1
2Neel Gore
0
*
3Bryan D Martin*
0
4Kyle Weaver
1
*

Grille américaine

#PlayerEloFedR1R2R3R4PtsBu C1BuSBPerfΔ
1Rosston, Andrew Burkett1695USA+7N+2BF+19N3.06.06.06.002454+35.6
2Gore, Neel0USA+23B1N+22B+4N3.05.55.52.5016650.0
3Martin, Bryan D1585USA+22N+25B+6N5B3.04.54.52.001614+3.2
4Karpe, Ummon1634USA+24N=5B+7N2B2.57.57.53.251875+25.2
5Weaver, Kyle1620USA+13B=4NF+3N2.57.07.05.751879+37.6
6Tobias, Mason1608USA+18B+8N3B10N2.07.08.03.001519-9.6
7Barreyro, Romeo1744USA1B+23N4B+18N2.06.56.51.00865-24.4
8Kojevnikov, Alexander1453USA+12N6B9N+26B2.05.55.51.501587+14.4
9FIDE 5660089560FF+8B+14N2.03.53.53.5015370.0
10Raman, Keshav V0USAFF+25N+6B2.02.02.02.0016280.0
11Mackley, Merlin Ethan1624USAF+24B+12NF2.01.51.51.502365+16.8
12Starr, Albert1565USA8B+18N11B=16N1.55.56.51.75739-21.4
13Hack, Richard1598USA5N+15BF=17N1.55.55.52.251534-5.2
14Harris, Clarence1541USA=15N17B+23N9B1.55.05.00.751298-12.8
15Blum, Paul A1442USA=14B13N16B+24N1.54.54.50.751377-3.0
16Wardle, Braxton0USAF19B+15N=12B1.54.04.02.2515230.0
17Cao, Danny1539USAF+14NF=13B1.53.03.02.251763+11.6
18FIDE 56600893006N12B+24N7B1.05.55.50.008390.0
19Turner, Robert1563USAF+16NF1B1.04.54.51.50895-6.4
20Pirone, John1490USAF+21NFF1.01.01.01.002490+30.4
21Robins, Alexander1690USAF20BF+22N1.01.01.00.00690-30.4
22FIDE 56600894803BF2N21B0.07.07.00.008380.0
23FIDE 56600892102N7B14BF0.06.56.50.008430.0
24FIDE 3097911004B11N18B15B0.06.07.00.007670.0
25FIDE 5700151710F3N10BF0.05.05.00.007850.0
26FIDE 5660098630FFF8N0.02.02.00.006530.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets