CChessStats

2025 Summer Tuesday Night Marathon - Under 1600 Round 4-7

Open SwissStandard

33 players participated in this 4-round tournament, held from 29 Jul 2025 to 19 Aug 2025 in San Francisco, CA, United States. 4 federations represented. Top 10 Elo average was 1677, and top seed was Sacha Marino Sloan (🇺🇸 USA, 1799).

David Paul Toczyski (🇺🇸 USA, 1656) won with 3.5/4, ahead of Zachary Wickliffe (3.5) and Felix Tikkanen Merk (3.0). Toczyski won on tie-break after catching the field in the final round.

The biggest upset came in round 4: Paul A Blum (1489) beat Steven Lee Myers (1592), a +103-point gap.

Location
🇺🇸San Francisco, CA, United States
Dates
29 Jul 2025 → 19 Aug 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 4 rounds
Top seed
🇺🇸Sacha Marino Sloan1799
Avg top 10
1,677
Participants
33
Federations · 4 represented
🇺🇸United States of America×28
🇫🇮Finland×1
🇹🇼Chinese Taipei×1
🇩🇪Germany×1
Top 3

How it unfolded

Top 6 · 4 rounds

Tight race until R4; 2 players tied at 3.5/4, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders
11
4
1
2
1234R1R2R3R4
R4 · TIEBREAK CLUSTER

2 players finish on 3.5/4. Toczyski takes the title on Buchholz Cut1 (8.0).

R2 · HEAD-TO-HEAD · WINNER VS 2ND

David Paul Toczyski drew with Zachary Wickliffe (White).

R1–R3 · WIN STREAK

Holden Fees won 3 in a row (R1–R3).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1David Paul Toczyski*
½
2Zachary Wickliffe
½
*
3Holden Fees*
4Felix Tikkanen Merk*

Grille américaine

#PlayerEloFedR1R2R3R4PtsBu C1BuSBPerfΔ
1Toczyski, David Paul1656USA+31B=2B+10N+7B3.58.08.06.251911+36.8
2Wickliffe, Zachary1690USA+14B=1N+16B+13B3.57.08.56.751803+11.2
3Tikkanen Merk, Felix1729FIN6N+29B+19N+10B3.05.56.03.502391+38.4
4Blum, Paul A1489USA+21B20N+28B+29N3.02.53.02.001720+18.6
5Fees, Holden0USA+32B+15N+24BF3.02.52.52.5016850.0
6Danganan, Sean0USA+3B=14N7N+21B2.57.08.04.7516200.0
7Coghlan, Tomas1556USA=19B+31N+6B1N2.57.07.03.001393-16.8
8Patel, Milan0USA+11N9B=17N+14B2.56.07.54.2516150.0
9Lue, Victor0USA+20B+8N=15B25N2.55.06.04.2517150.0
10Liu, Eric1666USA+28B+22N1B3N2.07.58.01.501540-20.0
11Vasquez, Dominic A1584USA8B+30N14B+12N2.06.06.52.501539-2.6
12FIDE 399882520+18B+17B13N11B2.05.57.03.0015820.0
13Tobias, Mason0USAF+32N+12B2N2.05.55.52.001561+0.4
14Le, Thu Anh1563USA2N=6B+11N8N1.58.510.53.251639+4.0
15Sloan, Sacha Marino1799USA+23B5B=9NF1.56.56.52.252420+10.8
16Tsebrii, Maksym0GER=22BF2N+23B1.55.56.51.5016410.0
17Morris, Daniel1577USA+33B12N=8B26N1.55.55.51.251523-6.0
18Priyadarshi, Rohan0USA12N=28N+33BF1.52.52.50.2514430.0
19Cao, Danny1516USA=7NF3B=22N1.06.56.51.751507-0.8
20Braithwaite, Andrew1638USA9N+4BFF1.05.55.53.002289+6.0
21Carion, Anthony Patrick1552USA4NF+32B6N1.05.55.50.001460-10.4
22Starr, Albert1611USA=16N10B23N=19B1.04.55.51.251328-20.8
23Hollon, Nick1620USA15NF+22B16N1.04.55.51.001705+4.4
24McCutcheon, Bennett1646USAF+25B5NF1.04.04.01.002507+23.2
25Madden, Dahlia1706USAF24NF+9B1.03.53.52.50846-11.6
26Chen, Bowie1621TPEFFF+17B1.01.51.51.502377+17.6
27Kojevnikov, Alexander1534USAF+33NFF1.00.00.00.002223+14.0
28Patel, Shivam0USA10N=18B4NF0.56.56.50.757780.0
29Myers, Steven Lee1592USAF3N=30B4B0.56.56.50.251304-21.4
30Singer, Andrew1514USAF11B=29NF0.52.52.50.251396-5.8
31FIDE 3998824401N7BFF0.06.06.00.008060.0
32Olson, David1423USA5N13B21NF0.06.06.00.00752-6.6
33Burkhardt, Douglas A1423USA17N27B18NF0.04.04.00.00756-25.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets