2025 Summer Tuesday Night Marathon - Under 1600 Round 4-7
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.
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How it unfolded
Top 6 · 4 roundsTight 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.
2 players finish on 3.5/4. Toczyski takes the title on Buchholz Cut1 (8.0).
David Paul Toczyski drew with Zachary Wickliffe (White).
Holden Fees won 3 in a row (R1–R3).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1David Paul Toczyski | * | ½ | — | — |
| 2Zachary Wickliffe | ½ | * | — | — |
| 3Holden Fees | — | — | * | — |
| 4Felix Tikkanen Merk | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Toczyski, David Paul | 1656 | USA | +31B | =2B | +10N | +7B | 3.5 | 8.0 | 8.0 | 6.25 | 1911 | +36.8 |
| 2 | Wickliffe, Zachary | 1690 | USA | +14B | =1N | +16B | +13B | 3.5 | 7.0 | 8.5 | 6.75 | 1803 | +11.2 |
| 3 | Tikkanen Merk, Felix | 1729 | FIN | −6N | +29B | +19N | +10B | 3.0 | 5.5 | 6.0 | 3.50 | 2391 | +38.4 |
| 4 | Blum, Paul A | 1489 | USA | +21B | −20N | +28B | +29N | 3.0 | 2.5 | 3.0 | 2.00 | 1720 | +18.6 |
| 5 | Fees, Holden | 0 | USA | +32B | +15N | +24B | F | 3.0 | 2.5 | 2.5 | 2.50 | 1685 | 0.0 |
| 6 | Danganan, Sean | 0 | USA | +3B | =14N | −7N | +21B | 2.5 | 7.0 | 8.0 | 4.75 | 1620 | 0.0 |
| 7 | Coghlan, Tomas | 1556 | USA | =19B | +31N | +6B | −1N | 2.5 | 7.0 | 7.0 | 3.00 | 1393 | -16.8 |
| 8 | Patel, Milan | 0 | USA | +11N | −9B | =17N | +14B | 2.5 | 6.0 | 7.5 | 4.25 | 1615 | 0.0 |
| 9 | Lue, Victor | 0 | USA | +20B | +8N | =15B | −25N | 2.5 | 5.0 | 6.0 | 4.25 | 1715 | 0.0 |
| 10 | Liu, Eric | 1666 | USA | +28B | +22N | −1B | −3N | 2.0 | 7.5 | 8.0 | 1.50 | 1540 | -20.0 |
| 11 | Vasquez, Dominic A | 1584 | USA | −8B | +30N | −14B | +12N | 2.0 | 6.0 | 6.5 | 2.50 | 1539 | -2.6 |
| 12 | FIDE 39988252 | 0 | — | +18B | +17B | −13N | −11B | 2.0 | 5.5 | 7.0 | 3.00 | 1582 | 0.0 |
| 13 | Tobias, Mason | 0 | USA | F | +32N | +12B | −2N | 2.0 | 5.5 | 5.5 | 2.00 | 1561 | +0.4 |
| 14 | Le, Thu Anh | 1563 | USA | −2N | =6B | +11N | −8N | 1.5 | 8.5 | 10.5 | 3.25 | 1639 | +4.0 |
| 15 | Sloan, Sacha Marino | 1799 | USA | +23B | −5B | =9N | F | 1.5 | 6.5 | 6.5 | 2.25 | 2420 | +10.8 |
| 16 | Tsebrii, Maksym | 0 | GER | =22B | F | −2N | +23B | 1.5 | 5.5 | 6.5 | 1.50 | 1641 | 0.0 |
| 17 | Morris, Daniel | 1577 | USA | +33B | −12N | =8B | −26N | 1.5 | 5.5 | 5.5 | 1.25 | 1523 | -6.0 |
| 18 | Priyadarshi, Rohan | 0 | USA | −12N | =28N | +33B | F | 1.5 | 2.5 | 2.5 | 0.25 | 1443 | 0.0 |
| 19 | Cao, Danny | 1516 | USA | =7N | F | −3B | =22N | 1.0 | 6.5 | 6.5 | 1.75 | 1507 | -0.8 |
| 20 | Braithwaite, Andrew | 1638 | USA | −9N | +4B | F | F | 1.0 | 5.5 | 5.5 | 3.00 | 2289 | +6.0 |
| 21 | Carion, Anthony Patrick | 1552 | USA | −4N | F | +32B | −6N | 1.0 | 5.5 | 5.5 | 0.00 | 1460 | -10.4 |
| 22 | Starr, Albert | 1611 | USA | =16N | −10B | −23N | =19B | 1.0 | 4.5 | 5.5 | 1.25 | 1328 | -20.8 |
| 23 | Hollon, Nick | 1620 | USA | −15N | F | +22B | −16N | 1.0 | 4.5 | 5.5 | 1.00 | 1705 | +4.4 |
| 24 | McCutcheon, Bennett | 1646 | USA | F | +25B | −5N | F | 1.0 | 4.0 | 4.0 | 1.00 | 2507 | +23.2 |
| 25 | Madden, Dahlia | 1706 | USA | F | −24N | F | +9B | 1.0 | 3.5 | 3.5 | 2.50 | 846 | -11.6 |
| 26 | Chen, Bowie | 1621 | TPE | F | F | F | +17B | 1.0 | 1.5 | 1.5 | 1.50 | 2377 | +17.6 |
| 27 | Kojevnikov, Alexander | 1534 | USA | F | +33N | F | F | 1.0 | 0.0 | 0.0 | 0.00 | 2223 | +14.0 |
| 28 | Patel, Shivam | 0 | USA | −10N | =18B | −4N | F | 0.5 | 6.5 | 6.5 | 0.75 | 778 | 0.0 |
| 29 | Myers, Steven Lee | 1592 | USA | F | −3N | =30B | −4B | 0.5 | 6.5 | 6.5 | 0.25 | 1304 | -21.4 |
| 30 | Singer, Andrew | 1514 | USA | F | −11B | =29N | F | 0.5 | 2.5 | 2.5 | 0.25 | 1396 | -5.8 |
| 31 | FIDE 39988244 | 0 | — | −1N | −7B | F | F | 0.0 | 6.0 | 6.0 | 0.00 | 806 | 0.0 |
| 32 | Olson, David | 1423 | USA | −5N | −13B | −21N | F | 0.0 | 6.0 | 6.0 | 0.00 | 752 | -6.6 |
| 33 | Burkhardt, Douglas A | 1423 | USA | −17N | −27B | −18N | F | 0.0 | 4.0 | 4.0 | 0.00 | 756 | -25.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Tikkanen Merk, FelixFIN+38.43.0 pts · #2
- 2Toczyski, David PaulUSA+36.83.5 pts · #5
- 3McCutcheon, BennettUSA+23.21.0 pts · #19
- 1Burkhardt, Douglas AUSA-25.60.0 pts · #30
- 2Myers, Steven LeeUSA-21.40.5 pts · #25
- 3Starr, AlbertUSA-20.81.0 pts · #27
- R4+103 Elo gap