CChessStats

Big Rood End of Year 2025 Tournament

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22 players participated in this 5-round tournament, held from 22 Dec 2025 to 26 Dec 2025 in Bangkok, Thailand. 3 titled players from 5 federations. Top 10 Elo average was 1813, and top seed was Sai Han Thiha (🇲🇲 MYA, FM, 2184).

Poompong Wiwatanadate (🇹🇭 THA, FM, 2086) won with 5.0/5, ahead of Sai Han Thiha (4.0) and Thomas Ray Liffick Jr. (4.0). Wiwatanadate won solo starting round 4.

The biggest upset came in round 1: Rawat Wongbunchailert (1429) beat Thomas Ray Liffick Jr. (1766), a +337-point gap.

Location
🇹🇭Bangkok, Thailand
Dates
22 Dec 2025 → 26 Dec 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇲🇲FMSai Han Thiha2184
Avg top 10
1,813
Participants
22
Titled players · 3
FM×3
Federations · 5 represented
🇹🇭Thailand×12
🇷🇺Russia×3
🇲🇲Myanmar×2
🇱🇦Laos×1
🇺🇸United States of America×1
Top 3

How it unfolded

Top 6 · 5 rounds

FM Poompong Wiwatanadate led from R4; +1.0-point edge over the runner-up.

Co-leaders
9
4
2
1
1
1.52.545R1R2R3R4R5
Wiwatanadate5Thiha4Liffick Jr.4Ohn3Gutsulyak3Botkate3
R4–R5 · LEAD HELD

FM Poompong Wiwatanadate never relinquished the lead after R4; final gap +1.0 over the runner-up.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

FM Poompong Wiwatanadate beat FM Sai Han Thiha (Black).

WIN STREAKS · 3 top finishers

FM Poompong Wiwatanadate 5 wins (R1–R5)FM Sai Han Thiha 3 wins (R1–R3)Thomas Ray Liffick Jr. 4 wins (R2–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1FMPoompong Wiwatanadate*
1
—
1
2FMSai Han Thiha
0
*—
1
3Thomas Ray Liffick Jr.——*—
4FMKo Ko Ohn
0
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Wiwatanadate, PoompongFM2086THA+16B+10N+4B+2N+6B5.012.513.513.502652+25.8
2Sai Han ThihaFM2184MYA+8N+9B+5N−1B+4N4.013.516.011.002152-2.0
3Liffick Jr., Thomas Ray1766USA−15N+7B+17N+11B+8N4.09.510.59.001640-16.4
4Ko Ko OhnFM2019MYA+22N+11B−1N+9B−2B3.014.014.05.001911-4.1
5Gutsulyak, Nikolay1884RUS+14B+12N−2B−6N+17B3.011.512.55.501731-13.8
6Chongstitwattana, Cholapat1682THAF+15B+18N+5B−1N3.010.510.55.501924+18.0
7Botkate, Chanaporn0THA−10B−3N+19B+16N+15B3.09.09.53.0015780.0
8Pinphetsawan, Sirikwan1499THA−2B=14N+22B+13N−3B2.512.512.53.501598+10.8
9Lisin, Maksim1676RUS+13B−2N+12B−4N=14N2.512.014.06.001708+0.8
10Seela, Prajuk1642THA+7N−1B=15N−14B+20N2.511.512.04.251369-21.4
11Siripatvanich, Nonglak1609THA+17B−4N+16B−3N=12B2.510.511.53.251619-2.0
12Chekmenev, Filipp Tim1582RUS+19N−5B−9N+18B=11N2.59.09.52.751453-18.8
13Kaveevorayan, Nichakarn1409THA−9N+22B=21N−8B+18B2.56.56.51.251462+9.2
14YOMVILATH, SOUMINTA1452LAO−5N=8BF+10N=9B2.010.511.05.001667+40.8
15Wongbunchailert, Rawat1429THA+3B−6N=10BF−7N1.512.512.55.251692+18.2
16Khuijanthuek, Kannika1475THA−1N+19B−11N−7BF1.011.011.00.50939-15.6
17Kittisiripan, Sarocha0THA−11NF−3B+21B−5N1.010.010.00.5015070.0
18FIDE 399773230—F+20B−6B−12N−13N1.08.58.50.507530.0
19FIDE 86722700—−12B−16N−7N=20BF0.57.07.00.257250.0
20FIDE 62300750—F−18NF=19N−10B0.56.06.00.258370.0
21Rangkaew, Katunchalee1536THAFF=13B−17NF0.53.53.51.251405-3.6
22Chotesuparach, Vimutti1474THA−4B−13N−8NFF0.08.08.00.00791-45.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets