2nd The Rooky Mini-Open 2025 - Standard Challenger
Open SwissStandard
51 players participated in this 7-round tournament, held from 23 Oct 2025 to 26 Oct 2025 in Bangkok, Thailand. 1 titled players from 8 federations. Top 10 Elo average was 1731, and top seed was Michael Karl Rohland (🇨🇦 CAN, 1848).
Nikolay Gutsulyak (🇷🇺 RUS, 1844) won with 6.0/7, ahead of Michael Karl Rohland (6.0) and K K M Sachintha Kodikara (6.0). Gutsulyak won on tie-break after catching the field in the final round.
The biggest upset came in round 2: Teetat kasemsup (1491) beat Alex Bailey (1738), a +247-point gap.
Location
🇹ðŸ‡Bangkok, Thailand
Dates
23 Oct 2025 → 26 Oct 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Titled players · 1
WFM×1
Federations · 8 represented
🇹ðŸ‡Thailand×31
🇷🇺Russia×6
🇨🇳China×1
🇬🇧England×1
🇱🇰Sri Lanka×1
🇷🇴Romania×1
🇩🇰Denmark×1
🇮🇳India×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsTight race until R4; 3 players tied at 6.0/7, decided on Buchholz.
Co-leaders
27
12
4
1
1
1
3
R4–R7 · LEAD HELD
Michael Karl Rohland held the sole lead from R4 through R7 without losing it.
R7 · TIEBREAK CLUSTER
3 players finish on 6.0/7. Gutsulyak takes the title on Buchholz Cut1 (29.5).
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Michael Karl Rohland drew with Nikolay Gutsulyak (White).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Michael Karl Rohland | * | ½ | — | — |
| 2Nikolay Gutsulyak | ½ | * | 1 | — |
| 3WFMK K M Sachintha Kodikara | — | 0 | * | — |
| 4Achiraya Olankittikul | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Gutsulyak, Nikolay | 1844 | RUS | +10N | +26B | =6N | +3B | =2N | +4B | +23N | 6.0 | 29.5 | 32.5 | 27.25 | 1915 | +10.6 |
| 2 | Rohland, Michael Karl | 1848 | CAN | +29B | +18N | +13B | +30N | =1B | +22N | =6B | 6.0 | 24.5 | 27.5 | 22.25 | 1986 | +21.4 |
| 3 | Kodikara, K K M SachinthaWFM | 1703 | SRI | +48N | +7B | +28B | −1N | +27B | +14N | +19B | 6.0 | 24.0 | 25.0 | 19.00 | 1848 | +18.0 |
| 4 | Uapongkitikul, Pavatt | 1499 | THA | +5B | −22N | +38B | +33N | +20B | −1N | +13B | 5.0 | 25.0 | 27.5 | 18.00 | 1685 | +37.6 |
| 5 | Olankittikul, Achiraya | 0 | THA | −4N | +36B | −7N | +37N | +32B | +?N | +15B | 5.0 | 22.0 | 22.0 | 12.50 | 1523 | 0.0 |
| 6 | Lisin, Maksim | 1635 | RUS | +39N | +11B | =1B | =19N | F | +9B | =2N | 4.5 | 27.5 | 30.0 | 19.25 | 1797 | +50.0 |
| 7 | Ruengjirachuporn, Chantat | 1466 | THA | +47B | −3N | +5B | −8B | +40N | +18N | =22B | 4.5 | 24.5 | 26.0 | 13.75 | 1606 | +23.6 |
| 8 | Bailey, Alex | 1738 | USA | +27B | −28N | +24B | +7N | −14B | =10N | +17B | 4.5 | 23.5 | 26.5 | 17.25 | 1389 | -49.6 |
| 9 | Chimyam, Jakkawan | 1430 | THA | +46N | +23B | =19N | F | +13B | −6N | +14B | 4.5 | 21.0 | 21.0 | 14.75 | 1777 | +46.2 |
| 10 | Adhvaan Oswal | 0 | IND | −1B | =25N | +45B | =?N | +46N | =8B | +21N | 4.5 | 20.5 | 20.5 | 10.50 | 1652 | 0.0 |
| 11 | Maungwong, Arada | 1416 | THA | +45B | −6N | +49B | =16B | −21N | +33B | +26N | 4.5 | 19.5 | 20.5 | 10.50 | 1514 | +18.0 |
| 12 | Olankittikul, Chanaradee | 0 | THA | +?B | −14N | =15B | −18N | +?B | +?N | +20B | 4.5 | 15.0 | 15.0 | 5.50 | 1546 | 0.0 |
| 13 | Arun, Naruebej | 1642 | THA | +34N | +32B | −2N | +28B | −9N | +21B | −4N | 4.0 | 25.0 | 28.0 | 12.50 | 1541 | -31.2 |
| 14 | Jongatireklap, Wacharaphol | 1586 | THA | +44N | +12B | −30N | +40B | +8N | −3B | −9N | 4.0 | 24.5 | 26.5 | 13.00 | 1469 | -12.0 |
| 15 | Phanthajarunithi, Napat | 1549 | THA | +40N | −30B | =12N | +29B | +16N | =19B | −5N | 4.0 | 23.0 | 25.0 | 13.00 | 1723 | +36.0 |
| 16 | Osterhus, Omar Torbjorn | 1640 | DEN | +51B | =20N | =18B | =11N | −15B | =24N | +27B | 4.0 | 22.0 | 23.0 | 11.50 | 1410 | -25.0 |
| 17 | Loetthaninwanich, Voravach | 0 | THA | −18B | −29N | +43B | +45N | +28N | +26B | −8N | 4.0 | 19.0 | 20.5 | 9.50 | 1474 | 0.0 |
| 18 | Ishchenko-Giller, Matvii | 1565 | UKR | +17N | −2B | =16N | +12B | =23N | −7B | =29N | 3.5 | 26.5 | 29.5 | 13.75 | 1449 | -32.8 |
| 19 | Dumoulin, Peissone | 1654 | THA | +24B | +37N | =9B | =6B | F | =15N | −3N | 3.5 | 25.0 | 25.0 | 12.50 | 1558 | -24.4 |
| 20 | Sandykova, Valeriia | 1460 | RUS | +31N | =16B | =33N | =21B | −4N | +25B | −12N | 3.5 | 23.5 | 26.5 | 11.75 | 1438 | -3.2 |
| 21 | Chanwittayanuchit, Worakorn | 1570 | THA | +38B | +49N | −22B | =20N | +11B | −13N | −10B | 3.5 | 22.5 | 23.5 | 9.75 | 1491 | -18.4 |
| 22 | Brown, Geoffrey M | 1794 | ENG | +36N | +4B | +21N | F | F | −2B | =7N | 3.5 | 22.0 | 22.0 | 13.75 | 1686 | -9.0 |
| 23 | Suwitchanpan, Natthabhumi | 1629 | THA | +35B | −9N | F | +41N | =18B | +27N | −1B | 3.5 | 22.0 | 22.0 | 9.75 | 1338 | -42.4 |
| 24 | Huang, Miles Chayun | 0 | THA | −19N | +50B | −8N | +42B | F | =16B | +28N | 3.5 | 18.0 | 18.0 | 8.00 | 1535 | 0.0 |
| 25 | Mamark, Chanon | 0 | THA | −26N | =10B | −?B | +48N | +39B | −20N | +38B | 3.5 | 17.0 | 17.0 | 8.25 | 1293 | 0.0 |
| 26 | Ruengjirachuporn, Nantat | 1558 | THA | +25B | −1N | +35B | −27N | +34B | −17N | −11B | 3.0 | 24.0 | 27.0 | 9.50 | 830 | -34.0 |
| 27 | chawla, Phiwathin | 0 | THA | −8N | +42B | +31N | +26B | −3N | −23B | −16N | 3.0 | 24.0 | 26.0 | 8.00 | 1407 | 0.0 |
| 28 | kasemsup, Teetat | 1491 | THA | +42B | +8B | −3N | −13N | −17B | +49N | −24B | 3.0 | 24.0 | 25.0 | 7.50 | 1559 | +10.0 |
| 29 | Lisin, Sergey | 1412 | RUS | −2N | +17B | F | −15N | =41B | +42N | =18B | 3.0 | 21.5 | 21.5 | 8.75 | 1367 | -7.2 |
| 30 | Cabungcag, Manilyn | 1812 | PHI | +43B | +15N | +14B | −2B | F | F | F | 3.0 | 20.5 | 20.5 | 10.00 | 1785 | -2.4 |
| 31 | Sakchai, Siripimon | 0 | THA | −20B | +51N | −27B | +35N | −?B | +34N | −32B | 3.0 | 16.5 | 16.5 | 7.00 | 646 | 0.0 |
| 32 | Kittisiripan, Sarocha | 1438 | THA | +41B | −13N | F | F | −5N | +40B | +31N | 3.0 | 16.0 | 16.0 | 7.00 | 841 | -9.6 |
| 33 | Sohinkong, Chayodom | 0 | THA | +?B | =?N | =20B | −4B | F | −11N | +44N | 3.0 | 15.0 | 15.0 | 3.75 | 1385 | 0.0 |
| 34 | Jairakkla, Rapee | 0 | THA | −13B | =41N | =47B | +49N | −26N | −31B | +50N | 3.0 | 14.5 | 15.5 | 3.75 | 800 | 0.0 |
| 35 | Kasemsup, Teerata | 0 | THA | −23N | +46B | −26N | −31B | −42N | +48B | +49B | 3.0 | 14.0 | 15.0 | 3.50 | 792 | 0.0 |
| 36 | Botkate, Chanaporn | 0 | THA | −22B | −5N | F | F | +47B | +41N | +?B | 3.0 | 12.0 | 12.0 | 3.50 | 1641 | 0.0 |
| 37 | Khuijanthuek, Kannika | 1485 | THA | +50N | −19B | −40N | −5B | F | =39N | +42B | 2.5 | 16.0 | 16.0 | 4.25 | 1352 | -13.2 |
| 38 | Khlopkova, Alina | 0 | ROU | −21N | +?B | −4N | −46B | =50N | +45B | −25N | 2.5 | 16.0 | 16.0 | 2.00 | 1376 | 0.0 |
| 39 | Kamolchotiros, Ava Yeap | 0 | THA | −6B | −45N | +50B | F | −25N | =37B | +41N | 2.5 | 15.0 | 15.0 | 4.25 | 1366 | -7.2 |
| 40 | FIDE 429069041 | 0 | — | −15B | +43N | +37B | −14N | −7B | −32N | −?B | 2.0 | 20.0 | 20.0 | 4.50 | 1222 | 0.0 |
| 41 | FIDE 6224733 | 0 | — | −32N | =34B | +48N | −23B | =29N | −36B | −39B | 2.0 | 18.0 | 19.0 | 4.00 | 1155 | 0.0 |
| 42 | Oppenheim, Tyler | 0 | THA | −28N | −27N | +51B | −24N | +35B | −29B | −37N | 2.0 | 18.0 | 19.0 | 4.00 | 660 | 0.0 |
| 43 | FIDE 6214843 | 0 | — | −30N | −40B | −17N | −51B | +48B | −?N | +47B | 2.0 | 12.5 | 12.5 | 2.50 | 833 | 0.0 |
| 44 | Kaveevorayan, Nichakarn | 0 | THA | −14B | =?N | F | +47N | −?B | =46N | −33B | 2.0 | 10.0 | 10.0 | 2.25 | 1232 | 0.0 |
| 45 | Wong, Jinn | 0 | THA | −11N | +39B | −10N | −17B | F | −38N | =48N | 1.5 | 19.0 | 19.0 | 3.00 | 1427 | 0.0 |
| 46 | Wang, Mujin | 0 | CHN | −9B | −35N | F | +38N | −10B | =44B | −?N | 1.5 | 16.5 | 16.5 | 3.50 | 633 | 0.0 |
| 47 | Rodina, Ariana | 0 | RUS | −7N | =48B | =34N | −44B | −36N | =50B | −43N | 1.5 | 15.5 | 16.5 | 2.50 | 668 | 0.0 |
| 48 | FIDE 522017771 | 0 | — | −3B | =47N | −41B | −25B | −43N | −35N | =45B | 1.0 | 18.0 | 19.5 | 1.50 | 903 | 0.0 |
| 49 | Siridanupath, Arisa | 0 | THA | +?N | −21B | −11N | −34B | F | −28B | −35N | 1.0 | 18.0 | 18.0 | 0.00 | 1289 | 0.0 |
| 50 | Radu, Nikolai | 0 | RUS | −37B | −24N | −39N | F | =38B | =47N | −34B | 1.0 | 15.5 | 15.5 | 2.00 | 660 | 0.0 |
| 51 | Jongatireklap, Thanapol | 0 | THA | −16N | −31B | −42N | +43N | F | F | F | 1.0 | 12.0 | 12.0 | 2.00 | 840 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Lisin, MaksimRUS+50.04.5 pts · #4
- 2Chimyam, JakkawanTHA+46.24.5 pts · #7
- 3Uapongkitikul, PavattTHA+37.65.0 pts · #13
Top rating losers
- 1Bailey, AlexUSA-49.64.5 pts · #28
- 2Suwitchanpan, NatthabhumiTHA-42.43.5 pts · #39
- 3Ruengjirachuporn, NantatTHA-34.03.0 pts · #49
Biggest upsets
- R2+247 Elo gap
- R5+212 Elo gap
- R2+199 Elo gap