46th Chess Olympiad Qualifiers Tournament - Best 50

Open SwissStandard

50 players participated in this 9-round tournament, held from 22 May 2026 to 30 May 2026 in Juba, South Sudan. 3 titled players from 2 federations. Top 10 Elo average was 2068, and top seed was Henry John (🇸🇸 SSD, CM, 2190).

Madol Garang Panthou Joh (🇸🇸 SSD, CM, 2121) won with 7.0/9, ahead of Agook Madol Agook (6.5) and Ngong Samuel Gai (6.5). Joh won solo starting round 6.

The biggest upset came in round 2: Lado Malueth Deng (1727) beat Gong Thon Gong (CM, 2122), a +395-point gap.

Location

🇸🇸Juba, South Sudan

Dates

22 May 2026 → 30 May 2026

Time control

Standard: 90 minutes for game with 10 sec increment from move 1

System

Swiss · 9 rounds

Top seed

🇸🇸CMHenry John2190

Avg top 10

2,068

Participants

Titled players · 3

CM×3

Federations · 2 represented

🇸🇸South Sudan×31

🇰🇪Kenya×1

Top 3

🥇
CMMadol Garang Panthou Joh
🇸🇸SSD·2121
7.0pts·2226perf+18.2
🥈
Agook Madol Agook
🇸🇸SSD·1944
6.5pts·2046perf+26.4
🥉
Ngong Samuel Gai
🇸🇸SSD·2071
6.5pts·2137perf+13.2

How it unfolded

Top 6 · 9 rounds

CM Madol Garang Panthou Joh led from R6; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R6.

Co-leaders

Joh7Gai6.5Agook6.56John66

R6–R9 · LEAD HELD

CM Madol Garang Panthou Joh held the sole lead from R6 through R9 without losing it.

R7 · HEAD-TO-HEAD · WINNER VS 2ND

CM Madol Garang Panthou Joh drew with Ngong Samuel Gai (Black).

WIN STREAKS · 2 top finishers

CM Madol Garang Panthou Joh 4 wins (R1–R4)Agook Madol Agook 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1CMMadol Garang Panthou Joh	*	½	1	½
2Ngong Samuel Gai	½	*	½	—
3Agook Madol Agook	0	½	*	1
4FIDE 32502664	½	—	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Madol Garang Panthou JohCM	2121	SSD	+42N	+38B	+41N	+2B	=4B	+17N	=3N	=5B	=14B	7.0	40.0	42.0	30.00	2226	+18.2
2	Agook Madol Agook	1944	SSD	+7N	+6B	+20N	−1N	+5B	+16B	=4N	=9B	=3N	6.5	48.5	53.5	37.25	2046	+26.4
3	Ngong Samuel Gai	2071	SSD	+43B	+37N	=17B	=24N	+28B	=4N	=1B	+18N	=2B	6.5	39.5	41.5	27.25	2137	+13.2
4	John, HenryCM	2190	SSD	+16N	+19B	+13N	+23B	=1N	=3B	=2B	−14N	=9N	6.0	47.0	51.0	32.50	2121	-14.0
5	FIDE 32502664	0	—	−19B	+27N	+21B	+41B	−2N	+12N	+23B	=1N	=8B	6.0	43.0	45.0	27.00	2024	0.0
6	FIDE 32508123	0	—	+12B	−2N	+36B	−10N	+19B	−14N	+34B	+23N	+17B	6.0	41.0	44.0	26.00	2030	0.0
7	FIDE 32502290	0	—	−2B	+34B	+38N	−28B	+27N	+10N	=8B	+21N	=11N	6.0	39.5	42.0	26.00	2029	0.0
8	Lual Guet nhiany	2029	SSD	+30N	−41B	−16N	+15N	+32B	+35B	=7N	+13B	=5N	6.0	37.5	39.5	26.50	1939	-10.6
9	Wech Elijah Adol Chol	1964	SSD	−18B	+47N	+22B	+32N	=24B	+29N	=17B	=2N	=4B	6.0	37.5	38.5	22.75	2041	+8.0
10	Akech Ateny Ajith	2018	SSD	−17N	+46B	+30N	+6B	−16N	−7B	+32N	+24B	+19B	6.0	37.5	38.5	22.50	2058	+8.4
11	Manyok Chaderek P	2064	SSD	=25N	+45B	−24N	=33B	=13N	+20B	+28N	+17N	=7B	6.0	36.0	37.5	24.25	1912	-19.2
12	Anjelo Mach James Ayoor	1944	SSD	−6N	−29B	+46N	+43B	+41N	−5B	+35N	+16B	+18N	6.0	32.5	33.5	18.00	2668	+23.8
13	Mabior Anyuat Mabior	1944	SSD	+47B	+26N	−4B	=18N	=11B	=28N	+29B	−8N	+21B	5.5	38.5	39.5	20.25	1957	+1.0
14	Gong Thon GongCM	2122	SSD	=49B	−32N	F	+25B	=29N	+6B	+24N	+4B	=1N	5.5	34.5	35.0	25.50	2050	-6.6
15	Benjamin Chau Awar	1890	SSD	=45N	+25B	−39N	−8B	+22N	+37B	−21B	+29N	+34B	5.5	30.5	32.0	18.25	1942	+8.8
16	Daniel Madit Ayuen	1884	SSD	−4B	+31N	+8B	+20N	+10B	−2N	−18B	−12N	+26B	5.0	44.5	48.0	24.50	1953	+15.6
17	FIDE 32507666	0	—	+10B	+36N	=3N	+39B	+23N	−1B	=9N	−11B	−6N	5.0	44.5	47.0	21.75	2071	0.0
18	FIDE 32502060	0	—	+9N	+28B	−23N	=13B	+39N	=24B	+16N	−3B	−12B	5.0	40.5	43.0	21.75	1986	0.0
19	Kachuol Kachuol Jok	1926	SSD	+5N	−4N	+40B	−29B	−6N	+42B	+33N	+26B	−10N	5.0	37.0	39.0	17.50	2020	+9.4
20	FIDE 32508557	0	—	+27B	+21N	−2B	−16B	=37N	−11N	+41B	=25N	+23B	5.0	36.5	38.5	17.75	1937	0.0
21	Adol Makuach Dau	1930	SSD	+29N	−20B	−5N	=22B	+25N	+39B	+15N	−7B	−13N	4.5	40.0	42.5	17.75	2097	+17.4
22	FIDE 32502940	0	—	+33N	−23B	−9N	=21N	−15B	+45B	+37N	+28B	F	4.5	33.0	34.5	12.75	1948	0.0
23	David Mayol, Buol Alith	1987	SSD	+35B	+22N	+18B	−4N	−17B	+26N	−5N	−6B	−20N	4.0	41.5	44.5	16.50	1390	-9.6
24	Nicodemus changong Alier	1924	SSD	=50B	+49N	+11B	=3B	=9N	=18N	−14B	−10N	F	4.0	40.0	40.5	15.50	2015	+29.6
25	Wut Buol Wut	1737	KEN	=11B	−15N	+50B	−14N	−21B	+31N	F	=20B	+27N	4.0	36.5	37.0	13.50	1832	+17.6
26	FIDE 32507950	0	—	+34N	−13B	−28N	+38B	+33N	−23B	+36B	−19N	−16N	4.0	32.0	34.5	11.50	1910	0.0
27	Gabriel Marko Muorkor, Cienglet	1899	SSD	−20N	−5B	+47N	+48B	−7B	−34N	+44B	+33N	−25B	4.0	30.0	31.0	7.00	1794	-16.0
28	Yuot Mabut Deng Yal	1932	SSD	+31B	−18N	+26B	+7N	−3N	=13B	−11B	−22N	−40B	3.5	41.0	43.5	16.25	1753	-24.4
29	FIDE 32508409	0	—	−21B	+12N	+37B	+19N	=14B	−9B	−13N	−15B	F	3.5	40.5	41.5	16.25	1911	0.0
30	FIDE 32508158	0	—	−8B	+44N	−10B	−36N	+40N	−33B	=38N	+35B	−31N	3.5	29.5	31.5	8.75	1625	0.0
31	FIDE 32508069	0	—	−28N	−16B	−42N	+46B	+43N	−25B	=40N	F	+30B	3.5	25.0	26.0	7.75	1606	0.0
32	Lado Malueth Deng	1727	SSD	=39N	+14B	=33N	−9B	−8N	+38B	−10B	−34N	F	3.0	34.5	37.0	10.75	1926	+68.4
33	David Maluak Bol,Leng	2023	SSD	−22B	+35N	=32B	=11N	−26B	+30N	−19B	−27B	F	3.0	33.0	34.0	11.00	1711	-31.8
34	Maring Piol Aleu	1998	SSD	−26B	−7N	−35B	F	+45N	+27B	−6N	+32B	−15N	3.0	33.0	33.5	8.50	1964	-4.8
35	FIDE 32507968	0	—	−23N	−33B	+34N	+42B	+36B	−8N	−12B	−30N	F	3.0	30.5	32.5	8.00	1923	0.0
36	Agoot Abuk Agoot	1979	SSD	+46N	−17B	−6N	+30B	−35N	+41B	−26N	F	F	3.0	24.5	24.5	6.50	2692	+7.6
37	Deng Garang wek	1912	SSD	+48N	−3B	−29N	+40B	=20B	−15N	−22B	F	F	2.5	34.0	35.0	6.00	1181	-16.4
38	John Juach Deng Marol	1907	SSD	+40B	−1N	−7B	−26N	F	−32N	=30B	F	+45B	2.5	29.5	30.5	5.75	1124	-38.8
39	Mach Majok Mach Garang	2044	SSD	=32B	+50N	+15B	−17N	−18B	−21N	F	F	F	2.5	27.5	27.5	7.50	1849	-29.6
40	FIDE 32506430	0	—	−38N	+42B	−19N	−37N	−30B	F	=31B	F	+28N	2.5	24.5	24.5	7.25	1833	0.0
41	Gai John Malual	1892	SSD	+44B	+8N	−1B	−5N	−12B	−36N	−20N	F	F	2.0	37.0	38.0	8.00	1825	-13.6
42	Kut Alier -yollow	1849	SSD	−1B	−40N	+31B	−35N	+44B	−19N	−43N	F	F	2.0	26.0	26.0	5.50	1158	-43.6
43	Chol Akuot Makur	1827	SSD	−3N	−48B	+44N	−12N	−31B	+47N	−42B	F	F	2.0	25.5	26.5	3.00	1155	-40.4
44	FIDE 32501889	0	—	−41N	−30B	−43B	+47B	−42N	+46B	−27N	F	F	2.0	20.0	21.0	2.00	1067	0.0
45	FIDE 32508530	0	—	=15B	−11N	−49B	+50N	−34B	−22N	−47B	F	−38N	1.5	23.5	23.5	3.25	1576	0.0
46	Giet Alaak Bul	0	SSD	−36B	−10N	−12B	−31N	+50B	−44N	F	F	F	1.0	26.5	26.5	0.50	1180	0.0
47	FIDE 32507429	0	—	−13N	−9B	−27B	−44N	F	−43B	+45N	F	F	1.0	26.0	26.0	1.50	1109	0.0
48	FIDE 32501340	0	—	−37B	+43N	F	−27N	F	F	F	F	F	1.0	16.5	16.5	2.00	1754	0.0
49	Juuk Thiong Juuk	1851	SSD	=14N	−24B	−45N	F	F	F	F	F	F	0.5	14.0	14.0	2.75	1830	-2.8
50	FIDE 32507763	0	—	=24N	−39B	−25N	−45B	−46N	F	F	F	F	0.5	13.0	13.0	2.00	1629	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Lado Malueth DengSSD
+68.4
3.0 pts · #18
2Nicodemus changong AlierSSD
+29.6
4.0 pts · #19
3Agook Madol AgookSSD
+26.4
6.5 pts · #24

Top rating losers

1Kut Alier -yollowSSD
-43.6
2.0 pts · #46
2Chol Akuot MakurSSD
-40.4
2.0 pts · #44
3John Juach Deng MarolSSD
-38.8
2.5 pts · #43

Biggest upsets

R2+395 Elo gap
Lado Malueth Deng1727 beat CMGong Thon Gong2122
R6+180 Elo gap
Lado Malueth Deng1727 beat John Juach Deng Marol1907
R9+162 Elo gap
Wut Buol Wut1737 beat Gabriel Marko Muorkor, Cienglet1899