Calchess Senior State Championship 2026
34 players participated in this 5-round tournament, held from 29 May 2026 to 31 May 2026 in Berkeley, CA, United States. 4 titled players from 2 federations. Top 10 Elo average was 1963, and top seed was Dmitry Dzhangirov (🇺🇦 UKR, 2216).
Timothy Taylor (🇺🇸 USA, IM, 2140) won with 4.5/5, ahead of Dmitry Dzhangirov (4.0) and Mohammad Soltani (4.0). Taylor won solo starting round 4.
The biggest upset came in round 4: Mohammad Soltani (1475) beat Hector Viadiu-Ilarraza (1826), a +351-point gap.
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How it unfolded
Top 6 · 5 roundsIM Timothy Taylor led from R4; +0.5-point edge over the runner-up.
IM Timothy Taylor held the sole lead from R4 through R5 without losing it.
IM Timothy Taylor 4 wins (R1–R4)Mohammad Soltani 4 wins (R2–R5)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1IMTimothy Taylor | * | — | ½ | — |
| 2Mohammad Soltani | — | * | — | — |
| 3Dmitry Dzhangirov | ½ | — | * | ½ |
| 4Bradley R Diller | — | — | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Taylor, TimothyIM | 2140 | USA | +8B | +18N | +12B | +5B | =2N | 4.5 | 11.5 | 13.0 | 11.00 | 2297 | +7.0 |
| 2 | Dzhangirov, Dmitry | 2216 | UKR | +13N | +14B | =4N | +10B | =1B | 4.0 | 13.0 | 15.0 | 10.75 | 2153 | -3.2 |
| 3 | Soltani, Mohammad | 1475 | USA | −6B | +9N | +8B | +18N | +10B | 4.0 | 10.5 | 12.0 | 9.00 | 2004 | +64.0 |
| 4 | Diller, Bradley R | 1978 | USA | +9B | =22N | =2B | +23N | +31N | 4.0 | 9.0 | 9.0 | 6.25 | 2118 | +17.6 |
| 5 | FIDE 566016410 | 0 | — | +23N | +6B | +31B | −1N | −7N | 3.0 | 11.5 | 11.5 | 4.00 | 1946 | 0.0 |
| 6 | Cruz, Armin Vale | 1787 | USA | +3N | −5N | +26B | −12B | +24N | 3.0 | 10.0 | 11.0 | 6.00 | 1890 | +8.8 |
| 7 | Winslow, ElliottIM | 2010 | USA | F | F | +19B | +20N | +5B | 3.0 | 6.0 | 6.0 | 6.00 | 2530 | +6.8 |
| 8 | Manvelyan, Hovik | 1754 | USA | −1N | +15B | −3N | =13B | +28B | 2.5 | 12.5 | 13.0 | 3.50 | 1739 | -3.8 |
| 9 | Bridle, Sam | 1753 | USA | −4N | −3B | +32N | +33B | =11N | 2.5 | 10.5 | 10.5 | 1.25 | 1602 | -16.4 |
| 10 | Riese, Kayven | 1698 | USA | =29B | +28N | +25B | −2N | −3N | 2.5 | 9.5 | 10.0 | 1.75 | 1771 | +5.8 |
| 11 | Lehman, Clarence | 1749 | USA | =28B | −19N | +29B | =21N | =9B | 2.5 | 6.0 | 6.5 | 2.75 | 1644 | -12.0 |
| 12 | Fuentes, Romulo | 2047 | USA | F | F | −1N | +6N | +16B | 2.0 | 9.5 | 9.5 | 5.00 | 2013 | -1.0 |
| 13 | Oshima, Daniel | 1743 | USA | −2B | +29N | =18B | =8N | F | 2.0 | 8.5 | 8.5 | 2.50 | 1783 | +1.0 |
| 14 | Long, Phil | 1675 | USA | F | −2N | +30B | −16N | +21B | 2.0 | 7.5 | 7.5 | 1.50 | 1741 | +6.0 |
| 15 | Liu, Jinfeng | 1639 | USA | −18B | −8N | +17B | +30N | −25B | 2.0 | 7.0 | 7.0 | 2.00 | 997 | -17.4 |
| 16 | Musumeci, Jim | 1736 | USA | F | +27N | F | +14B | −12N | 2.0 | 5.0 | 5.0 | 3.00 | 1900 | +24.0 |
| 17 | FIDE 39951669 | 0 | — | F | F | −15N | +32B | +30B | 2.0 | 2.0 | 2.0 | 0.00 | 839 | 0.0 |
| 18 | Viadiu-Ilarraza, Hector | 1826 | USA | +15N | −1B | =13N | −3B | F | 1.5 | 12.5 | 12.5 | 3.00 | 1662 | -17.6 |
| 19 | Peterson, Jared E | 1682 | USA | F | +11B | −7N | F | =20B | 1.5 | 7.0 | 7.0 | 3.25 | 1845 | +11.8 |
| 20 | Gran, Rahim | 1777 | USA | F | F | +24N | −7B | =19N | 1.5 | 5.5 | 5.5 | 1.75 | 1821 | +6.0 |
| 21 | Hernandez-Campos, Felix | 1788 | USA | F | F | +28N | =11B | −14N | 1.5 | 5.0 | 5.0 | 1.75 | 1708 | -12.8 |
| 22 | Christiansen, NatashaWCM | 1724 | USA | +30N | =4B | F | F | F | 1.5 | 4.0 | 4.0 | 2.00 | 1978 | +6.2 |
| 23 | Katz, Stewart | 1721 | USA | −5B | F | +33N | −4B | F | 1.0 | 7.0 | 7.0 | 0.00 | 1767 | +2.0 |
| 24 | Fong, Kevin M | 1772 | USA | F | F | −20B | +26N | −6B | 1.0 | 5.5 | 5.5 | 1.00 | 982 | -38.8 |
| 25 | Del Rosario, Frisco | 1810 | USA | F | F | −10N | F | +15N | 1.0 | 4.5 | 4.5 | 2.00 | 1669 | -7.6 |
| 26 | FIDE 2028557 | 0 | — | F | F | −6N | −24B | +32N | 1.0 | 4.0 | 4.0 | 0.00 | 980 | 0.0 |
| 27 | Adkins, Rico | 1602 | USA | +34N | −16B | F | F | F | 1.0 | 2.0 | 2.0 | 0.00 | 1787 | +9.6 |
| 28 | Asgari, Mohammad | 1699 | USA | =11N | −10B | −21B | F | −8N | 0.5 | 9.0 | 9.0 | 1.25 | 1425 | -24.6 |
| 29 | FIDE 566016401 | 0 | — | =10N | −13B | −11N | F | F | 0.5 | 7.0 | 7.0 | 1.25 | 1457 | 0.0 |
| 30 | Bayot, Romeo | 0 | USA | −22B | F | −14N | −15B | −17N | 0.0 | 7.5 | 7.5 | 0.00 | 879 | 0.0 |
| 31 | Aigner, MichaelCM | 1974 | USA | F | F | −5N | F | −4B | 0.0 | 7.0 | 7.0 | 0.00 | 1178 | -9.8 |
| 32 | FIDE 566016428 | 0 | — | F | F | −9B | −17N | −26B | 0.0 | 5.5 | 5.5 | 0.00 | 953 | 0.0 |
| 33 | Turner, Robert | 1555 | USA | F | F | −23B | −9N | F | 0.0 | 3.5 | 3.5 | 0.00 | 937 | -10.4 |
| 34 | Walder, Michael | 1838 | USA | −27B | F | F | F | F | 0.0 | 1.0 | 1.0 | 0.00 | 802 | -16.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Soltani, MohammadUSA+64.04.0 pts · #1
- 2Musumeci, JimUSA+24.02.0 pts · #11
- 3Diller, Bradley RUSA+17.64.0 pts · #3
- 1Fong, Kevin MUSA-38.81.0 pts · #26
- 2Asgari, MohammadUSA-24.60.5 pts · #25
- 3Viadiu-Ilarraza, HectorUSA-17.61.5 pts · #12
- R4+351 Elo gap
- R3+279 Elo gap
- R2+278 Elo gap