4th Edition Jumuiya ya Afrika Mashariki Open Chess Tournament (Grand Prix) - Ladies Section

Open SwissStandard

74 players participated in this 6-round tournament, held from 20 Sept 2025 to 21 Sept 2025 in Nairobi, Kenya. 3 titled players. Top 10 Elo average was 1693, and top seed was Madelta Glenda (🇰🇪 KEN, 1772).

Gloria Jumba (🇰🇪 KEN, 1755) won with 6.0/6, ahead of Elizabeth Cassidy Maina (5.5) and Lucy Wanjiru (5.0). Jumba won solo starting round 5.

The biggest upset came in round 5: Njoki Juliet (1498) beat Madelta Glenda (1772), a +274-point gap.

Location

🇰🇪Nairobi, Kenya

Dates

20 Sept 2025 → 21 Sept 2025

Time control

Standard: 90 minutes for the whole game

System

Swiss · 6 rounds

Top seed

🇰🇪Madelta Glenda1772

Avg top 10

1,693

Participants

Titled players · 3

WFM×1

WCM×2

Federations · 1 represented

🇰🇪Kenya×46

Top 3

🥇
Gloria Jumba
🇰🇪KEN·1755
6.0pts·2335perf+26.8
🥈
WFMElizabeth Cassidy Maina
🇰🇪KEN·1757
5.5pts·1981perf+41.2
🥉
WCMLucy Wanjiru
🇰🇪KEN·1612
5.0pts·1700perf+7.2

How it unfolded

Top 6 · 6 rounds

Gloria Jumba led from R5; +0.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R5.

Co-leaders

Jumba6Maina5.5Kagambi5Muturi5Juliet5Wanjiru5

R5–R6 · LEAD HELD

Gloria Jumba held the sole lead from R5 through R6 without losing it.

WIN STREAKS · 3 top finishers

Gloria Jumba 6 wins (R1–R6)WFM Elizabeth Cassidy Maina 3 wins (R4–R6)Angel Kagambi 4 wins (R3–R6)

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Jumba, Gloria	1755	KEN	+21B	+16N	+3B	+13N	+8B	+10N	6.0	22.0	26.0	26.00	2335	+26.8
2	Elizabeth Cassidy MainaWFM	1757	KEN	+18N	+20B	=9N	+23B	+28N	+11B	5.5	21.0	24.5	22.25	1981	+41.2
3	Wanjiru, LucyWCM	1612	KEN	+35B	+32N	−1N	+41B	+52N	+26B	5.0	19.0	22.0	16.00	1700	+7.2
4	Kagambi, Angel	1631	KEN	+61N	−12B	+22N	+36B	+32N	+16B	5.0	18.5	20.5	16.00	1677	+9.2
5	Muturi, Erica Mumbi	1662	KEN	−17N	+74B	+21N	+53B	+19N	+12B	5.0	18.5	18.5	14.50	2306	+34.4
6	Kadenge Julia Kasei	1563	KEN	+59N	−14B	+17N	+38B	+34N	+13B	5.0	18.0	20.0	16.00	1669	+16.0
7	Njoki Juliet	1498	KEN	+47N	−9B	+67N	+63B	+14N	+20B	5.0	17.5	19.0	14.50	1787	+44.8
8	Kariuki, Silvia Wahito	1560	KEN	+42B	+15N	=11N	+9B	−1N	+28B	4.5	22.5	25.5	17.25	1850	+37.8
9	Onyango Shirlyn Gathoni	1633	KEN	+58B	+7N	=2B	−8N	+30B	+29N	4.5	22.0	24.0	16.75	1668	+6.0
10	Maashao, Genevieve	1634	KEN	+54N	+19B	+14N	+34B	=12N	−1B	4.5	21.5	23.5	15.25	1758	+33.2
11	Kimani wanjiru	1636	KEN	+44B	+55N	=8B	+15N	+29B	−2N	4.5	20.5	22.5	14.75	1743	+10.8
12	Arianne Hera Ngani	1515	KEN	+68B	+4N	+33B	+37N	=10B	−5N	4.5	20.5	22.0	14.75	1684	+33.6
13	Lekolool Michelle	0	KEN	+69B	+25N	+43B	−1B	+24N	−6N	4.0	22.0	23.5	12.50	1585	+34.4
14	Madelta Glenda	1772	KEN	+60B	+6N	−10B	+33N	−7B	+35N	4.0	20.5	22.5	13.00	1595	-20.2
15	Nicole Albright	1740	KEN	+22N	−8B	+18N	−11B	+53N	+32B	4.0	20.0	22.0	13.00	1587	-17.6
16	Bhavsar Nisha Nileshbhai	1543	KEN	+72N	−1B	+54N	+40B	+23N	−4N	4.0	20.0	21.0	10.00	897	-11.6
17	Salma Nkatha Mwenda	1401	KEN	+5B	−24N	−6B	+?N	+43B	+37N	4.0	20.0	20.0	11.00	1482	0.0
18	Mwashe Yvonne Adego	1493	KEN	−2B	+36N	−15B	+48N	+33B	+38N	4.0	18.5	21.5	12.00	1518	+1.6
19	Okoth Winny Atieno	1533	KEN	+66B	−10N	+42B	+51N	−5B	+36N	4.0	18.5	20.5	11.00	850	-27.2
20	Jasmine Akinyi Ochieng	1568	KEN	+57B	−2N	+35B	+56N	+37B	−7N	4.0	18.5	20.5	10.00	832	-34.0
21	Wamaitha Rania	1457	KEN	−1N	+53B	−5B	+71N	+56B	+34N	4.0	18.0	19.0	8.00	1501	+4.8
22	Gilana Angel Muthoni	1442	KEN	−15B	+45N	−4B	+74N	+51B	+46N	4.0	18.0	18.0	9.00	886	-17.2
23	Oluchiri Jadarudo Achieng	0	KEN	+30B	+57N	+?B	−2N	−16B	+44N	4.0	18.0	18.0	8.50	1462	0.0
24	Seseniah Akwe Omari	1583	KEN	+62N	+17B	−28N	+45B	−13B	+47N	4.0	17.5	19.5	12.00	768	-42.0
25	Muturi, Elsie	1416	KEN	−28N	−13B	+59N	+49B	+41N	+40B	4.0	16.5	18.5	11.00	768	-13.2
26	Makanga Annabel	1540	KEN	+64N	−28B	+61N	+50B	+39N	−3N	4.0	16.5	18.5	10.00	871	-26.8
27	McKenzie Chanel	1541	KEN	−32B	−33N	+66B	+42N	+31N	+52B	4.0	15.5	17.5	11.50	620	-54.0
28	Nashipae BellaWCM	1714	KEN	+25B	+26N	+24B	=29N	−2B	−8N	3.5	22.0	25.5	13.75	1650	-18.0
29	Olivia Makungu	0	KEN	+49N	+62B	+63N	=28B	−11N	−9B	3.5	17.5	19.5	8.75	1396	0.0
30	Kamoni Elsie Wambui	0	KEN	−23N	=31B	+62N	+67B	−9N	+39B	3.5	17.0	18.5	8.25	838	-10.8
31	Sesenet Moisari Kantai	0	KEN	−33B	=30N	+?B	+55N	−27B	+?N	3.5	12.5	12.5	3.75	1401	0.0
32	Gichuga Wanjiru Wanjiku	0	KEN	+27N	−3B	+55B	+43N	−4B	−15N	3.0	21.0	23.0	9.00	1539	+28.4
33	Kungu Nicole Wanjiru	0	KEN	+31N	+27B	−12N	−14B	−18N	+54N	3.0	20.0	22.0	9.50	1392	-8.0
34	Njoki Valma	0	KEN	+48B	+58N	+39B	−10N	−6B	−21B	3.0	19.5	21.5	8.00	752	-43.6
35	Chepkoiwo Blessing Jerutich	0	KEN	−3N	+40B	−20N	+?B	+50N	−14B	3.0	19.0	19.0	6.00	853	0.0
36	Magana Sheryll Wamaitha	0	KEN	+?N	−18B	+46N	−4N	+60B	−19B	3.0	18.0	18.0	5.00	1346	0.0
37	Taji Muyanze	0	KEN	+41N	+72B	+56N	−12B	−20N	−17B	3.0	17.5	18.5	6.00	750	0.0
38	FIDE 10868577	0	—	−39B	+?B	+49N	−6N	+58B	−18B	3.0	17.0	17.0	5.00	729	0.0
39	Thuku Tasha Wangari	0	KEN	+38N	+64B	−34N	+47B	−26B	−30N	3.0	16.5	18.5	8.00	686	0.0
40	FIDE 554006210	0	—	+71B	−35N	+48B	−16N	+57B	−25N	3.0	16.0	17.0	6.00	678	0.0
41	Malene Makuba	0	KEN	−37B	+?N	+68B	−3N	−25B	+58N	3.0	15.5	15.5	3.50	717	0.0
42	Dhotty Priscillah	0	KEN	−8N	+46B	−19N	−27B	+?N	+?B	3.0	15.5	15.5	3.00	750	0.0
43	FIDE 10874968	0	—	+?N	+59B	−13N	−32B	−17N	+65B	3.0	15.0	15.0	4.00	613	0.0
44	FIDE 554006120	0	—	−11N	−56B	+72N	+?B	+45N	−23B	3.0	14.5	14.5	4.00	841	0.0
45	FIDE 10898670	0	—	+?N	−22B	+70N	−24N	−44B	+61B	3.0	14.5	14.5	3.50	724	0.0
46	FIDE 10878866	0	—	+?N	−42N	−36B	+54B	+61N	−22B	3.0	14.0	14.0	4.00	658	0.0
47	Imora Nyaikamba Njuguna	0	KEN	−7B	+?N	+60B	−39N	+?B	−24B	3.0	14.0	14.0	2.00	1403	0.0
48	FIDE 554006155	0	—	−34N	+73B	−40N	−18B	+?N	+63B	3.0	13.0	13.0	3.00	671	0.0
49	FIDE 554006090	0	—	−29B	+?N	−38B	−25N	+55B	+?N	3.0	12.5	12.5	2.00	1472	0.0
50	FIDE 554006228	0	—	F	+?N	+71B	−26N	−35B	+57N	3.0	12.0	12.0	3.00	747	0.0
51	FIDE 554006775	0	—	+?N	−54B	+?N	−19B	−22N	+64B	3.0	12.0	12.0	2.00	697	0.0
52	Keli Tumi	0	KEN	+?B	−60N	+?B	+?N	−3B	−27N	3.0	11.0	11.0	0.00	752	0.0
53	Kihara Wambui Esther	0	KEN	F	−21N	+?B	−5N	−15B	+60N	2.0	18.0	18.0	2.00	1397	0.0
54	FIDE 10849475	0	—	−10B	+51N	−16B	−46N	+67N	−33B	2.0	17.5	19.0	4.50	730	0.0
55	Mutua Angel	1525	KEN	+65N	−11B	−32N	−31B	−49N	+73B	2.0	16.0	17.0	3.00	729	-39.2
56	FIDE 10891510	0	—	+?N	+44N	−37B	−20B	−21N	F	2.0	16.0	16.0	3.00	716	0.0
57	Cheruto Wanjiru Waikwa	0	KEN	−20N	−23B	+65N	+?B	−40N	−50B	2.0	16.0	16.0	2.00	774	0.0
58	FIDE 10859608	0	—	−9N	−34B	+64N	+73B	−38N	−41B	2.0	15.5	16.5	3.00	744	0.0
59	FIDE 554006104	0	—	−6B	−43N	−25B	−65N	+68B	+74N	2.0	15.5	15.5	1.50	694	0.0
60	Maina Mitchelle Wandia	1493	KEN	−14N	+52B	−47N	+70B	−36N	−53B	2.0	15.0	16.5	4.50	973	-6.8
61	FIDE 554006139	0	—	−4B	+?N	−26B	+?N	−46B	−45N	2.0	15.0	15.0	0.00	790	0.0
62	FIDE 10845933	0	—	−24B	−29N	−30B	+69N	+74B	F	2.0	14.5	14.5	1.50	725	0.0
63	FIDE 554006260	0	—	+?B	+66N	−29B	−7N	−?B	−48N	2.0	13.5	13.5	2.00	698	0.0
64	FIDE 10850279	0	—	−26B	−39N	−58B	+?N	+?B	−51N	2.0	12.0	12.0	0.00	747	0.0
65	FIDE 554006147	0	—	−55B	−?N	−57B	+59B	+73N	−43N	2.0	10.0	10.0	3.00	722	0.0
66	FIDE 554006805	0	—	−19N	−63B	−27N	−?B	+?B	+?N	2.0	10.0	10.0	0.00	742	0.0
67	FIDE 554006961	0	—	F	=68N	−7B	−30N	−54B	+69N	1.5	13.5	13.5	2.25	679	0.0
68	FIDE 10898760	0	—	−12N	=67B	−41N	−?B	−59N	+?B	1.5	11.0	11.0	0.75	726	0.0
69	FIDE 554006236	0	—	−13N	−?B	=?N	−62B	+?N	−67B	1.5	7.5	7.5	0.00	608	0.0
70	FIDE 554006163	0	—	−?B	+?N	−45B	−60N	=?B	−?N	1.5	5.0	5.0	0.00	696	0.0
71	FIDE 10843396	0	—	−40N	+?B	−50N	−21B	−?N	−?B	1.0	10.0	10.0	0.00	657	0.0
72	FIDE 10898824	0	—	−16B	−37N	−44B	+?N	−?B	−?N	1.0	10.0	10.0	0.00	734	0.0
73	FIDE 554006180	0	—	−?B	−48N	+?B	−58N	−65B	−55N	1.0	9.0	9.0	0.00	722	0.0
74	FIDE 10864326	0	—	F	−5N	−?B	−22B	−62N	−59B	0.0	13.0	13.0	0.00	762	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Njoki JulietKEN
+44.8
5.0 pts · #13
2Elizabeth Cassidy MainaWFMKEN
+41.2
5.5 pts · #2
3Kariuki, Silvia WahitoKEN
+37.8
4.5 pts · #4

Top rating losers

1McKenzie ChanelKEN
-54.0
4.0 pts · #61
2Njoki ValmaKEN
-43.6
3.0 pts · #51
3Seseniah Akwe OmariKEN
-42.0
4.0 pts · #34

Biggest upsets

R5+274 Elo gap
Njoki Juliet1498 beat Madelta Glenda1772
R1+261 Elo gap
Salma Nkatha Mwenda1401 beat Muturi, Erica Mumbi1662
R2+180 Elo gap
Kariuki, Silvia Wahito1560 beat Nicole Albright1740