Jumuiya Ya Afrika Mashariki Open Chess Tournament; 3rd Edition (U1600 SECTION)

Open SwissStandard

116 players participated in this 6-round tournament, held from 14 Jun 2025 to 15 Jun 2025 in Nairobi, Kenya. Top 10 Elo average was 1569, and top seed was Alusa Bonventure (🇰🇪 KEN, 1599).

Levi Joshua (🇰🇪 KEN, 1541) won with 6.0/6, ahead of Mwangi Prudence (6.0) and Koech Emmanuel Kiptoo (5.5). Joshua shared the lead from round 4, winning on tie-break.

The biggest upset came in round 4: Kiplangat Baraka (1404) beat Jean-Christophe Mugisha (1591), a +187-point gap.

Location

🇰🇪Nairobi, Kenya

Dates

14 Jun 2025 → 15 Jun 2025

Time control

Standard: 60 minutes for game

System

Swiss · 6 rounds

Top seed

🇰🇪Alusa Bonventure1599

Avg top 10

1,569

Participants

116

Federations · 1 represented

🇰🇪Kenya×85

Top 3

🥇
Levi Joshua
🇰🇪KEN·1541
6.0pts·2279perf+49.6
🥈
Mwangi Prudence
🇰🇪KEN·1468
6.0pts·2353perf+98.8
🥉
Koech Emmanuel Kiptoo
🇰🇪KEN·1582
5.5pts·1814perf+37.6

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 2 players tied at 6.0/6, decided on Buchholz. Title race narrowed from 6 co-leaders at R4 to 2 at the finish.

Co-leaders

Prudence6Joshua6Kiptoo5.5Samson5Wagoya5Bonventure5

R6 · TIEBREAK CLUSTER

2 players finish on 6.0/6. Joshua takes the title on Buchholz Cut1 (22.5).

WIN STREAKS · 3 top finishers

Mwangi Prudence 6 wins (R1–R6)Levi Joshua 6 wins (R1–R6)Koech Emmanuel Kiptoo 3 wins (R1–R3)

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Levi Joshua	1541	KEN	+62B	+41N	+23B	+9N	+5B	+7N	6.0	22.5	25.5	25.50	2279	+49.6
2	Mwangi Prudence	1468	KEN	+67B	+59N	+6B	+21N	+4B	+11N	6.0	21.5	24.5	24.50	2353	+98.8
3	Koech Emmanuel Kiptoo	1582	KEN	+80N	+54B	+18N	=37B	+50B	+12N	5.5	18.0	20.0	18.25	1814	+37.6
4	Saibala Alfa	1518	KEN	+63N	+107B	+32N	+10B	−2N	+28B	5.0	22.0	23.0	17.00	668	-22.8
5	Njoroge Humphrey Mbugua	1457	KEN	+65N	+53B	+36N	+20B	−1N	+17B	5.0	20.5	23.5	17.50	1743	+60.4
6	Bonventure, Alusa	1599	KEN	+88N	+25B	−2N	+48B	+51N	+18B	5.0	20.0	22.0	16.00	1680	+18.0
7	Wafula Berry John	1544	KEN	+64N	+112B	+78N	+29B	+8N	−1B	5.0	20.0	20.0	14.00	1623	+12.8
8	Curtis Reuben Thuo	1512	KEN	+95B	+73N	+35B	+28N	−7B	+26N	5.0	19.5	21.5	16.50	744	-18.4
9	Boniface Wagoya	0	KEN	+?N	+?B	+?N	−1B	+22N	+?B	5.0	10.0	10.0	4.00	1591	0.0
10	Munene Samson	0	KEN	+?B	+?N	+?B	−4N	+?B	+21N	5.0	9.0	9.0	4.00	1585	0.0
11	Kiggs, Michael	1540	KEN	+69N	+113B	=19N	+40B	+37N	−2B	4.5	20.0	20.0	12.00	1461	-6.4
12	Kuka Riziki	1529	KEN	+115N	+72B	=40N	+44B	+14N	−3B	4.5	19.5	19.5	12.25	1505	-2.8
13	Kiplangat Baraka	1404	KEN	+42N	−17B	+82N	+36B	=38B	+39N	4.5	18.0	20.0	14.25	1604	+42.8
14	Atarah Wright	1426	KEN	=75N	+87B	+71N	+45B	−12B	+44N	4.5	16.5	18.5	12.75	1518	+10.0
15	Stephen Musembi	0	KEN	−73B	+76N	+?B	=?N	+?B	+38N	4.5	8.5	8.5	6.00	1537	0.0
16	Bramuel Khaemba	0	KEN	−77N	+?B	=102N	+71B	+?N	+?B	4.5	6.0	6.0	3.25	1574	0.0
17	Kosgey Sheila Jerop	1552	KEN	+81B	+13N	=50B	=26N	+19B	−5N	4.0	20.5	22.5	14.00	1525	-3.2
18	Apamo Shem Mali	1447	KEN	+89B	+84N	−3B	+31N	+24B	−6N	4.0	20.5	22.5	12.00	1463	+2.4
19	Nyakundi Wesley Kithinji	1421	KEN	+55B	+24N	=11B	=22B	−17N	+59N	4.0	19.5	22.5	14.25	1554	+28.4
20	Awuor Concillia Ndegwa	1582	KEN	F	+48B	+51N	−5N	+23B	+25B	4.0	19.0	19.0	14.00	1675	+10.4
21	Kahara Ethan Kariuki	1556	KEN	+116N	+52B	+49N	−2B	+78N	−10B	4.0	19.0	19.0	8.00	1575	+2.8
22	Waweru Trevor Kipngetich	1539	KEN	+76B	+90N	=26B	=19N	−9B	+62N	4.0	18.5	20.5	11.50	1421	-6.4
23	Makanga Annabel	1439	KEN	+58N	+102B	−1N	+53B	−20N	+79B	4.0	18.0	19.5	9.50	762	-26.4
24	Eugene Zablon	1583	KEN	+56N	−19B	+64N	+54B	−18N	+52B	4.0	17.0	20.0	12.00	635	-55.6
25	Njuguna Lisa Wanjiru	1429	KEN	+114B	−6N	+55B	+84N	+77B	−20N	4.0	16.0	16.0	7.00	1452	+3.2
26	Arianne Hera Ngani	0	KEN	+?N	+77B	=22N	=17B	+?N	−8B	4.0	15.0	15.0	6.00	1560	0.0
27	Wendo Alex Bahati	0	KEN	−72N	−63B	+105N	+91B	+80N	+78B	4.0	11.5	12.5	7.00	1460	0.0
28	Muriuki Victor	0	KEN	+?N	+?B	+?N	−8B	+?B	−4N	4.0	10.0	10.0	0.00	1527	0.0
29	Mercel Etieng	0	KEN	+?B	+38N	+?B	−7N	−?B	+?N	4.0	8.5	8.5	3.50	1547	0.0
30	Gichuga Wanjiru Wanjiku	0	KEN	F	F	+97B	+103N	+83B	+77N	4.0	7.0	7.0	7.00	1570	0.0
31	Peter Odoyo	0	KEN	+?N	−?B	+?N	−18B	+?N	+49B	4.0	7.0	7.0	3.00	1332	0.0
32	Dennis Lelaono	0	KEN	+106N	+109B	−4B	+?N	+?B	−?N	4.0	7.0	7.0	2.00	1522	0.0
33	Mirza Suhayl Ahmed	0	KEN	−?N	=?B	+?N	+?B	+40N	=50B	4.0	6.5	6.5	5.00	1464	0.0
34	Rotich Damien Kibet	0	KEN	+?N	+?B	−44N	+49B	+?N	−?B	4.0	6.5	6.5	3.00	1514	0.0
35	Mark Peter Karanja Mwaniki	0	KEN	+?N	+?B	−8N	−?B	+?N	+?B	4.0	5.0	5.0	0.00	1540	0.0
36	Jean-Christophe Mugisha	1591	KEN	+57B	+39N	−5B	−13N	=47B	+73N	3.5	19.5	22.0	10.75	1298	-36.8
37	Ouma Stanley	1495	KEN	+93B	F	+94N	=3N	−11B	+41N	3.5	17.5	18.5	10.25	1368	-12.8
38	Njuguna Luke Nganga	1548	KEN	+105N	−29B	+98N	+72B	=13N	−15B	3.5	17.5	18.5	7.75	1403	-7.6
39	Oluchiri Jadarudo Achieng	1409	KEN	+103N	−36B	=42N	+102B	+75N	−13B	3.5	15.5	16.5	6.75	664	-34.0
40	Andy Zane Wright	0	KEN	+?B	+?N	=12B	−11N	−33B	+74N	3.5	15.5	15.5	4.75	1549	0.0
41	Danson Ryan Kimani	0	KEN	+?N	−1B	+86N	=?B	+45N	−37B	3.5	15.0	15.0	5.50	1258	0.0
42	Njenga Dayson Irari	0	KEN	−13B	+81N	=39B	−?N	+85B	+71N	3.5	14.5	14.5	8.25	1354	0.0
43	Njoki Valma	0	KEN	−54N	+108B	+52N	−51B	=48N	+?B	3.5	13.0	13.0	5.50	1435	0.0
44	Murigu Kanuri	0	KEN	+?B	=?N	+34B	−12N	+?N	−14B	3.5	13.0	13.0	4.00	1473	0.0
45	Sean Ringera	0	KEN	+?B	=?N	+?B	−14N	−41B	+?N	3.5	8.0	8.0	0.00	1456	0.0
46	Master Walter Aira	0	KEN	=71N	−?B	−?N	+104B	+?N	+?B	3.5	3.5	3.5	2.25	1430	0.0
47	Maina Geoffrey Gitonga	0	KEN	−?N	−?B	+?N	+?B	=36N	+?B	3.5	3.5	3.5	1.75	1502	0.0
48	Marc-Antoine Ishimwe Ndagijimana	1408	KEN	+60B	−20N	+103B	−6N	=43B	=55N	3.0	18.5	19.5	7.25	791	-20.8
49	Yator Mugo Waikwa	1443	KEN	+61B	+79N	−21B	−34N	+58B	−31N	3.0	18.0	20.0	8.00	756	-14.0
50	Kyalo Cynthia Wayua	1439	KEN	F	+104B	=17N	+75B	−3N	=33N	3.0	17.0	17.0	7.50	1374	-6.4
51	Ochiel John	1449	KEN	+109N	+106B	−20B	+43N	−6B	−61N	3.0	16.5	17.5	5.50	791	-24.8
52	FIDE 10860088	0	—	+85B	−21N	−43B	+70N	+?B	−24N	3.0	16.5	16.5	5.00	770	0.0
53	Sesenet Moisari Kantai	0	KEN	+?B	−5N	+66B	−23N	−71B	+81N	3.0	16.5	16.5	5.00	666	0.0
54	Adriel Baraka	0	KEN	+43B	−3N	+?B	−24N	+60B	−?N	3.0	16.0	16.0	6.50	781	0.0
55	Ngaruiya Aiden Wanaina	0	KEN	−19N	+56B	−25N	+?B	=?N	=48B	3.0	14.0	14.0	4.50	1234	0.0
56	FIDE 554000203	0	—	−24B	−55N	+89B	F	+82N	+99N	3.0	13.0	15.0	6.00	783	0.0
57	Kenan Jamie	0	KEN	−36N	−58B	+?N	+82B	−65N	+103B	3.0	12.5	12.5	3.00	725	0.0
58	FIDE 554000300	0	—	−23B	+57N	−?N	+?B	−49N	+80B	3.0	12.0	12.0	5.00	643	0.0
59	Seseniah Akwe Omari	0	KEN	+?N	−2B	+112N	−78B	+?N	−19B	3.0	12.0	12.0	0.00	643	0.0
60	FIDE 10873376	0	—	−48N	−80B	+108N	+112B	−54N	+87B	3.0	11.0	11.0	3.00	607	0.0
61	Myles Kiyo Muratha	0	KEN	−49N	F	−?B	+66N	+107B	+51B	3.0	10.0	10.0	7.00	1330	0.0
62	Kirema Bridget Kagwiria	0	KEN	−1N	+?B	+?N	+?B	−?N	−22B	3.0	10.0	10.0	0.00	1456	0.0
63	Maina Mitchelle Wandia	0	KEN	−4B	+27N	+?B	−?N	+?B	−?N	3.0	9.0	9.0	4.00	1441	0.0
64	FIDE 554000220	0	—	−7B	+?N	−24B	+?N	−?B	+?N	3.0	9.0	9.0	0.00	769	0.0
65	FIDE 554000262	0	—	−5B	+?N	+?B	−?N	+57B	−?N	3.0	8.0	8.0	3.00	1271	0.0
66	Otieno Ethan Murimi	0	KEN	+?N	−?B	−53N	−61B	+114N	+91B	3.0	8.0	8.0	2.00	722	0.0
67	Muratha Samantha Wanjiru	0	KEN	−2N	+?B	+?N	+?B	−?N	−?B	3.0	6.0	6.0	0.00	1404	0.0
68	Kim Vivica	0	KEN	−?N	−?B	+106N	+86B	−79N	+?B	3.0	5.0	5.0	3.00	747	0.0
69	Kungu Nicole Wanjiru	0	KEN	−11B	+?N	−?B	+?N	−?B	+?N	3.0	4.5	4.5	0.00	1348	0.0
70	Mugambi Nathan Baraka	0	KEN	−?N	+?B	−?N	−52B	+104N	+?B	3.0	4.0	4.0	1.00	719	0.0
71	Okwemba Elvis	1508	KEN	=46B	+74N	−14B	−16N	+53N	−42B	2.5	19.0	21.5	7.25	627	-24.4
72	Isoe Norah Moraa	0	KEN	+27B	−12N	+79B	−38N	=74B	−102N	2.5	16.5	18.0	7.25	739	0.0
73	Jaeger Nyamongo Omari	0	KEN	+15N	−8B	+104N	=?B	−?N	−36B	2.5	14.0	14.0	5.50	1207	0.0
74	Wamaitha Rania	0	KEN	+92N	−71B	−107N	+96B	=72N	−40B	2.5	12.5	13.5	5.25	706	0.0
75	Nelvin Mundia	0	KEN	=14B	+?N	+?B	−50N	−39B	F	2.5	11.0	11.0	2.25	1455	0.0
76	FIDE 10867660	0	—	−22N	−15B	−?N	+?B	=?N	+?B	2.5	8.5	8.5	0.00	739	0.0
77	Jayden Kiogora Mwenda	1550	KEN	+16B	−26N	+100B	F	−25N	−30B	2.0	18.5	20.5	6.50	629	-26.4
78	Ndegwa Irwin Ndege	1440	KEN	F	+83N	−7B	+59N	−21B	−27N	2.0	18.0	18.0	5.00	750	-28.0
79	Taji Muyanze	0	KEN	+?N	−49B	−72N	F	+68B	−23N	2.0	15.5	15.5	3.00	639	0.0
80	FIDE 10837337	0	—	−3B	+60N	+?B	−?N	−27B	−58N	2.0	15.5	15.5	3.00	744	0.0
81	Keisha Sifa Gitau	0	KEN	−17N	−42B	−?N	+?B	+86N	−53B	2.0	12.5	12.5	2.00	1504	0.0
82	FIDE 10855599	0	—	+?B	−?N	−13B	−57N	−56B	+113N	2.0	10.5	10.5	0.00	644	0.0
83	Telo Ariela	0	KEN	+?N	−78B	−88N	+87B	−30N	−?B	2.0	10.0	10.0	2.00	640	0.0
84	Shem Ngugi	0	KEN	+?N	−18B	+113N	−25B	F	−?N	2.0	10.0	10.0	0.00	650	0.0
85	Prince Emmanuel	0	KEN	−52N	+105B	=?N	−?B	−42N	=96B	2.0	9.5	9.5	2.00	659	0.0
86	FIDE 10874941	0	—	+?B	−?N	−41B	−68N	−81B	+105N	2.0	9.5	9.5	1.00	680	0.0
87	Keli Tumi	0	KEN	−?B	−14N	+?B	−83N	+?B	−60N	2.0	9.5	9.5	0.00	689	0.0
88	FIDE 10847782	0	—	−6B	+114N	+83B	F	F	F	2.0	9.0	9.0	2.00	799	0.0
89	FIDE 554000289	0	—	−18N	−?B	−56N	+?B	+112N	−92B	2.0	9.0	9.0	0.00	648	0.0
90	Kanyi Elsie Joyce Wangechi	0	KEN	+?N	−22B	+?N	F	F	F	2.0	8.0	8.0	0.00	739	0.0
91	Matthew Waugh	0	KEN	−?B	−?N	+?B	−27N	+?B	−66N	2.0	7.0	7.0	0.00	690	0.0
92	FIDE 554000190	0	—	−74B	F	+?N	−?B	−93N	+89N	2.0	6.5	6.5	2.00	747	0.0
93	FIDE 554000246	0	—	−37N	−?B	+?N	F	+92B	−?B	2.0	5.5	5.5	2.00	678	0.0
94	Muli, Baraka Kimama	0	KEN	+?B	+?N	−37B	−?N	F	−?B	2.0	5.5	5.5	0.00	1292	0.0
95	FIDE 10847103	0	—	−8N	−?B	+?N	+?B	−?N	−?B	2.0	5.0	5.0	0.00	720	0.0
96	FIDE 10868356	0	—	−?B	−?N	+?B	−74N	=?B	=85N	2.0	4.5	4.5	1.00	701	0.0
97	FIDE 554000254	0	—	−?N	−?B	−30N	+?B	F	+?N	2.0	4.0	4.0	0.00	681	0.0
98	Muchina Steve Kamau	0	KEN	+?B	−?N	−38B	−?N	F	+?B	2.0	3.5	3.5	0.00	1332	0.0
99	FIDE 10846050	0	—	−?B	+?N	−?N	−?B	+113N	−56B	2.0	3.0	3.0	0.00	660	0.0
100	Mokeira Hilmy Kito	0	KEN	−?B	+?N	−77N	F	+?B	−?N	2.0	2.0	2.0	0.00	1306	0.0
101	Mukhwana Gene Pence Barasa	0	KEN	−?B	+?N	−?B	F	−?N	+?N	2.0	0.0	0.0	0.00	688	0.0
102	FIDE 10885153	0	—	F	−23N	=16B	−39N	F	+72B	1.5	14.5	14.5	4.75	622	0.0
103	FIDE 554000327	0	—	−39B	F	−48N	−30B	+108N	−57N	1.0	14.5	14.5	1.00	608	0.0
104	FIDE 10882839	0	—	F	−50N	−73B	−46N	−70B	+111N	1.0	13.0	13.0	1.00	639	0.0
105	FIDE 10866442	0	—	−38B	−85N	−27B	−?N	+?N	−86B	1.0	11.5	11.5	0.00	748	0.0
106	FIDE 554000335	0	—	−32B	−51N	−68B	−108B	+?N	F	1.0	11.0	11.0	0.00	649	0.0
107	Kabugo Njugi	0	KEN	F	−4N	+74B	−?B	−61N	−?B	1.0	10.5	10.5	2.50	709	0.0
108	FIDE 10864113	0	—	−?B	−43N	−60B	+106N	−103B	−?N	1.0	8.5	8.5	1.00	779	0.0
109	FIDE 10866590	0	—	−51B	−32N	−?B	+?N	−?B	−?N	1.0	7.0	7.0	0.00	649	0.0
110	FIDE 10855980	0	—	+?N	F	−?B	F	F	F	1.0	3.5	3.5	0.00	1477	0.0
111	Clinton Muriithi Munene	0	KEN	−?N	+?B	−?N	−?B	−?N	−104B	1.0	1.0	1.0	0.00	688	0.0
112	FIDE 10850279	0	—	F	−7N	−59B	−60N	−89B	−?N	0.0	13.0	13.0	0.00	744	0.0
113	FIDE 10850759	0	—	F	−11N	−84B	−?N	−99B	−82B	0.0	10.5	10.5	0.00	740	0.0
114	FIDE 554000319	0	—	−25N	−88B	F	−?N	−66B	−?N	0.0	9.0	9.0	0.00	643	0.0
115	FIDE 10858369	0	—	−12B	F	−?N	−?B	−?N	F	0.0	5.5	5.5	0.00	744	0.0
116	FIDE 554000211	0	—	−21B	−?N	−?B	−?N	−?B	F	0.0	4.0	4.0	0.00	706	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Mwangi PrudenceKEN
+98.8
6.0 pts · #4
2Njoroge Humphrey MbuguaKEN
+60.4
5.0 pts · #13
3Levi JoshuaKEN
+49.6
6.0 pts · #10

Top rating losers

1Eugene ZablonKEN
-55.6
4.0 pts · #97
2Jean-Christophe MugishaKEN
-36.8
3.5 pts · #51
3Oluchiri Jadarudo AchiengKEN
-34.0
3.5 pts · #60

Biggest upsets

R4+187 Elo gap
Kiplangat Baraka1404 beat Jean-Christophe Mugisha1591
R2+162 Elo gap
Nyakundi Wesley Kithinji1421 beat Eugene Zablon1583
R5+136 Elo gap
Apamo Shem Mali1447 beat Eugene Zablon1583