2025 African Schools Individual Chess Championship - Under 15 Open

Open SwissStandard

109 players participated in this 9-round tournament, held from 23 May 2025 to 28 May 2025 in Mombasa, Kenya. 7 federations represented. Top 10 Elo average was 1763, and top seed was Sauti Joshua Lisuku (🇿🇲 ZAM, 1930).

Kuka Kyle (🇰🇪 KEN, 1893) won with 8.0/9, ahead of Wayne Joe Njarumi (7.5) and Muhirwa Alvin (7.0). Kyle shared the lead from round 8 and broke clear in the final round.

The biggest upset came in round 9: Kahara Ethan Kariuki (1546) beat Sauti Joshua Lisuku (1930), a +384-point gap.

Location

🇰🇪Mombasa, Kenya

Dates

23 May 2025 → 28 May 2025

Time control

Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1

System

Swiss · 9 rounds

Top seed

🇿🇲Sauti Joshua Lisuku1930

Avg top 10

1,763

Participants

109

Federations · 7 represented

🇰🇪Kenya×54

🇺🇬Uganda×4

🇿🇼Zimbabwe×2

🇲🇬Madagascar×1

🇳🇦Namibia×1

🇿🇲Zambia×1

🇧🇼Botswana×1

Top 3

🥇
Kuka Kyle
🇰🇪KEN·1893
8.0pts·1974perf+27.2
🥈
Wayne Joe Njarumi
🇰🇪KEN·1698
7.5pts·1895perf+60.4
🥉
Muhirwa Alvin
🇺🇬UGA·1883
7.0pts·1814perf-18.4

How it unfolded

Top 6 · 9 rounds

Kuka Kyle led from R9; +0.5-point edge over the runner-up. Title race converged from 4 co-leaders at R4 to 1 by R9.

Co-leaders

Kyle8Njarumi7.5Musembi7James7Alvin7Taji7

R9 · LEADER CHANGE28 May

Kuka Kyle takes the sole lead (8.0/9).

WIN STREAKS · 2 top finishers

Kuka Kyle 3+5 wins (R1–R3, R5–R9)Wayne Joe Njarumi 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Kuka Kyle	*	—	—	1
2Wayne Joe Njarumi	—	*	—	½
3Stephen Musembi	—	—	*	—
4Warimwe David James	0	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Kuka Kyle	1893	KEN	+54N	+48B	+29N	−8B	+21N	+4N	+13B	+38B	+3N	8.0	48.0	52.5	46.00	1974	+27.2
2	Wayne Joe Njarumi	1698	KEN	+79B	+75N	+17B	+25N	=8B	=3N	+12B	+28B	=4N	7.5	47.5	51.5	41.25	1895	+60.4
3	Muhirwa Alvin	1883	UGA	+74B	+40N	+14B	=4N	+5N	=2B	+6N	+8N	−1B	7.0	54.0	58.0	42.75	1814	-18.4
4	Warimwe David James	1636	KEN	+104N	+24B	+21N	=3B	+23N	−1B	+9B	+12N	=2B	7.0	53.0	55.0	39.75	1853	+80.8
5	Abel Taji	1634	KEN	+89B	+50N	+34B	+12N	−3B	+14N	−8B	+16N	+13B	7.0	48.0	51.5	38.00	1798	+51.2
6	Stephen Musembi	0	KEN	=26B	+16N	+?B	=30B	+29N	+10N	−3B	+14N	+15B	7.0	48.0	48.0	35.50	1696	0.0
7	Kahara Ethan Kariuki	1546	KEN	−83N	+100B	+109N	+71B	=27N	+62B	=70B	+25N	+38N	7.0	35.0	35.5	27.25	2572	+60.0
8	Tojomalala, Aiko	1692	MAD	+60B	+101N	+59B	+1N	=2N	+38B	+5N	−3B	−22N	6.5	49.5	52.5	35.75	1836	+61.6
9	Jesse Fabian	1692	KEN	+53N	+36B	+33N	+10B	−38N	+20B	−4N	=19B	+31N	6.5	47.0	52.0	37.00	1724	+13.2
10	Muchoki Trevor Kanyuithia	1604	KEN	+63N	+55B	+94N	−9N	+39B	−6B	+40N	=31B	+28N	6.5	43.5	46.5	30.25	1408	-20.4
11	Errol Muhoro	1673	KEN	+105N	+64B	=30N	−13B	−26N	+68B	+69N	+27B	+36N	6.5	40.5	42.5	28.25	1505	-8.8
12	Shoubhith Omprakash Kayyar	1817	UGA	+66N	+67B	+19N	−5B	+40N	+15B	−2N	−4B	+45N	6.0	48.0	52.5	31.00	1555	-68.8
13	Adrian Ongeri	0	KEN	+100N	=83B	+70B	+11N	=15N	+32B	−1N	+20B	−5N	6.0	46.5	49.5	29.75	1697	0.0
14	Kagambi, Jeremiah	1590	KEN	+65N	+47B	−3N	+81B	+55N	−5B	+24N	−6B	+49N	6.0	46.0	50.0	29.00	959	-22.4
15	Maoga Trevor	1603	KEN	+109B	=44N	+26B	+35N	=13B	−12N	+27B	+41N	−6N	6.0	45.5	46.0	27.50	1700	+14.8
16	Nthiga Blair Wema	1556	KEN	−47N	−6B	+100N	+37N	+51B	+69B	+26N	−5B	+43N	6.0	44.0	47.0	28.00	835	-16.0
17	Mweya,Pinehas Tangeni	1574	NAM	+85N	+56B	−2N	=54B	+72N	+36B	−28N	+62B	=19N	6.0	42.0	45.5	27.25	1439	-13.6
18	Gianni Tuli	1678	KEN	+88N	+86B	+31N	−38B	=36N	=26B	+21N	−22B	+55B	6.0	41.5	45.0	28.50	1614	-14.0
19	Ochieng Kennedy	1564	KEN	+106B	+28N	−12B	=85N	+57B	=54N	+42B	=9N	=17B	6.0	41.5	43.5	27.25	1568	-0.4
20	Mwanje Kathan Mickey	1588	UGA	+99B	+57N	−38B	+74N	+56B	−9N	+34B	−13N	+39B	6.0	41.0	44.0	26.50	1585	-3.6
21	Aduma Melivin	1466	KEN	+82B	+80N	−4B	+96N	−1B	+56N	−18B	+85N	+70B	6.0	41.0	44.0	23.00	926	-23.2
22	Muthumbi Richard	1553	KEN	F	−27B	+62N	+73B	+68N	−25N	+54B	+18N	+8B	6.0	40.5	40.5	29.50	1786	+37.6
23	Mark Musyoka Muli	1419	KEN	+46B	=70N	+44B	+83N	−4B	−28N	+79B	=45N	+77B	6.0	39.5	43.0	26.00	836	-8.8
24	David Wachira Wach	0	KEN	+42B	−4N	+?B	+94N	−25B	+?N	−14B	+?N	+41B	6.0	31.5	31.5	13.00	1388	0.0
25	Sonamizi Tinashe	1613	ZIM	+93N	+76B	+27N	−2B	+24N	+22B	−38N	−7B	=26N	5.5	46.5	50.0	27.75	1490	-27.2
26	Odongo Edgar Davids	0	KEN	=6N	+43B	−15N	+98B	+11B	=18N	−16B	+58N	=25B	5.5	46.5	49.5	28.25	1553	0.0
27	Namosa Nicholas	0	KEN	+?B	+22N	−25B	+41N	=7B	+30B	−15N	−11N	+61B	5.5	46.0	46.0	24.50	1570	0.0
28	Mich Jayden	0	KEN	+?N	−19B	+86N	+48B	=30N	+23B	+17B	−2N	−10B	5.5	46.0	46.0	23.25	1503	0.0
29	Adiel Kipkorir	1570	KEN	+39B	+51N	−1B	+79N	−6B	+74N	−41B	+57N	=56B	5.5	43.0	47.0	24.75	894	-29.2
30	Shah, Ruhan Dhruv Paresh	1505	KEN	+96B	+69N	=11B	=6N	=28B	−27N	−57B	+72N	+54B	5.5	41.5	44.5	25.00	1673	+8.8
31	KipkoECH Hekima	1509	KEN	+73B	+84N	−18B	−56N	+78B	+39N	+58B	=10N	−9B	5.5	41.0	44.5	24.25	1531	+2.8
32	Mwangi Victor	1670	KEN	+90B	=45N	=35B	=57N	+85B	−13N	+50B	−55N	+42B	5.5	39.0	42.5	24.50	1411	-12.8
33	Mark Gacheru	1522	KEN	+78B	+52N	−9B	−39N	+96B	=55N	=44B	=54N	+57B	5.5	39.0	42.0	23.50	892	-11.2
34	Wu Zeyin	1508	BOT	+108N	+95B	−5N	−68B	+47N	+71B	−20N	+63B	=37N	5.5	39.0	40.0	20.25	812	-28.8
35	Turyasingura Victor	1411	UGA	+68N	+98B	=32N	−15B	+83B	−70N	−55B	+79N	+60B	5.5	36.0	39.0	21.75	1559	+22.4
36	Brian Muchiri	0	KEN	+?B	−9N	+108B	+?N	=18B	−17N	+65B	+70N	−11B	5.5	34.5	34.5	12.50	1331	0.0
37	Kelly Kiptoo Guto	0	KEN	−59B	−41N	+?N	−16B	+?N	+67B	+?B	+44N	=34B	5.5	30.5	30.5	12.25	1476	0.0
38	Sauti Joshua Lisuku	1930	ZAM	F	+61B	+20N	+18N	+9B	−8N	+25B	−1N	−7B	5.0	50.0	50.0	28.50	1722	-64.8
39	Keith Rotich	0	KEN	−29N	+?B	+61N	+33B	−10N	−31B	+68N	+40B	−20N	5.0	42.5	42.5	19.00	1442	0.0
40	FIDE 554000912	0	—	+?N	−3B	+47N	+87B	−12B	+46N	−10B	−39N	+73N	5.0	42.0	42.0	17.50	968	0.0
41	Dylan Maina Muraguri	1496	KEN	−71N	+37B	+99N	−27B	+73N	+43B	+29N	−15B	−24N	5.0	41.5	44.5	23.00	1587	+10.0
42	FIDE 554002966	0	—	−24N	−63B	+104N	+109B	+76N	+48B	−19N	+81B	−32N	5.0	37.0	37.5	15.50	817	0.0
43	Maxevier Barasa	0	KEN	=?B	−26N	+60B	=44N	+49B	−41N	+51B	+?N	−16B	5.0	36.0	36.0	17.00	1488	0.0
44	Dylan Amwayi Oduor	0	KEN	+?N	=15B	−23N	=43B	=84N	+107B	=33N	−37B	+94N	5.0	36.0	36.0	14.50	1423	0.0
45	Chazima Terence Shaka	0	KEN	+92N	=32B	−83N	+97B	−69N	+84B	+88N	=23B	−12B	5.0	35.5	38.5	19.25	1601	+19.2
46	FIDE 10869875	0	—	−23N	−54B	+?N	+86B	+61N	−40B	−76N	+91B	+81N	5.0	35.0	35.0	15.50	619	0.0
47	Kenrich Ndegwa	0	KEN	+16B	−14N	−40B	+75N	−34B	+101N	−49B	+?N	+?B	5.0	34.5	34.5	13.00	1563	0.0
48	FIDE 10892788	0	—	+?B	−1N	+78B	−28N	+?B	−42N	+96B	−56N	+82B	5.0	34.0	34.0	11.00	1092	0.0
49	FIDE 10857273	0	—	−87N	+?B	−68N	+95B	−43N	+?B	+47N	+73B	−14B	5.0	30.5	30.5	12.00	779	0.0
50	FIDE 554000980	0	—	+?N	−5B	−71N	+?N	=94B	+97B	−32N	=69B	+68N	5.0	30.5	30.5	10.50	853	0.0
51	Jeremy Emojong	0	KEN	+?N	−29B	−87N	+?B	−16N	+95B	−43N	+?B	+69N	5.0	27.0	27.0	7.00	1455	0.0
52	FIDE 554002990	0	—	+?N	−33B	−72N	+66B	=?N	=?B	−63N	+99B	+76N	5.0	25.5	25.5	11.50	722	0.0
53	FIDE 10852093	0	—	−9B	−?N	+?B	+?N	−58B	+102N	−?B	+?N	+95N	5.0	16.5	16.5	5.50	892	0.0
54	Gachenia Davis Njoroge	0	KEN	−1B	+46N	+102B	=17N	+?B	=19B	−22N	=33B	−30N	4.5	44.5	44.5	16.25	1488	0.0
55	James Kariuki Muiruri	0	KEN	F	−10N	+80B	+59N	−14B	=33B	+35N	+32B	−18N	4.5	43.5	43.5	22.25	1576	0.0
56	Kwanza Njau	0	KEN	F	−17N	+75B	+31B	−20N	−21B	+59N	+48B	=29N	4.5	42.5	42.5	21.75	1488	0.0
57	Fabian Fabice Githinji	0	KEN	+107N	−20B	+84N	=32B	−19N	+83B	+30N	−29B	−33N	4.5	41.0	42.5	16.75	1458	0.0
58	FIDE 554002915	0	—	=?N	=72B	=63N	=76B	+53N	+81B	−31N	−26B	=66N	4.5	37.0	37.0	17.50	709	0.0
59	John Chege	1566	KEN	+37N	+71B	−8N	−55B	−70B	+78N	−56B	+96N	=85B	4.5	36.5	39.5	18.25	892	-13.2
60	Jabu Kariuki Gachwe	1405	KEN	−8N	=92B	−43N	+80N	=102B	+87B	=71N	+64B	−35N	4.5	36.5	39.0	17.00	752	-26.0
61	Alfons Mwangi Gachie	0	KEN	+?B	−38N	−39B	+106N	−46B	=94N	+97N	+88B	−27N	4.5	32.0	32.0	10.00	1130	0.0
62	Symon Kanini Kungu	0	KEN	=72N	+?B	−22B	+89N	+?B	−7N	+75B	−17N	−?N	4.5	30.5	30.5	9.50	1340	0.0
63	FIDE 10856757	0	—	−10B	+42N	=58B	−?N	=98B	+?N	+52B	−34N	=?B	4.5	29.5	29.5	13.75	745	0.0
64	Daniel Kimani Maina	0	KEN	+102B	−11N	−?B	=?N	−65B	+98N	+84B	−60N	+89B	4.5	28.0	28.0	12.50	1400	0.0
65	FIDE 10859829	0	—	−14B	+?N	=?B	−?N	+64N	+72B	−36N	−?B	+88N	4.5	23.5	23.5	12.00	1247	0.0
66	FIDE 10852077	0	—	−12B	+?N	−69B	−52N	+?B	−?N	+80B	+?N	=58B	4.5	23.5	23.5	6.25	1017	0.0
67	FIDE 554000920	0	—	+?B	−12N	=97B	=?N	−?B	−37N	=78B	+?N	+90B	4.5	22.0	22.0	7.00	1017	0.0
68	Melvin Murimi	0	KEN	−35B	+103N	+49B	+34N	−22B	−11N	−39B	+75N	−50B	4.0	42.5	45.0	17.00	1344	0.0
69	FIDE 554003229	0	—	+?N	−30B	+66N	=72B	+45B	−16N	−11B	=50N	−51B	4.0	41.5	41.5	14.00	779	0.0
70	Willy Namwamba	0	KEN	F	=23B	−13N	+?B	+59N	+35B	=7N	−36B	−21N	4.0	40.5	40.5	16.50	1502	0.0
71	Mercel Etieng	0	KEN	+41B	−59N	+50B	−7N	+101B	−34N	=60B	−?N	=79B	4.0	38.5	38.5	17.25	1304	0.0
72	FIDE 10857176	0	—	=62B	=58N	+52B	=69N	−17B	−65N	+83N	−30B	=97N	4.0	37.5	40.5	16.50	738	0.0
73	FIDE 10866868	0	—	−31N	+91B	+101B	−22N	−41B	+103N	+74B	−49N	−40B	4.0	37.0	39.5	13.00	720	0.0
74	FIDE 10859705	0	—	−3N	+77B	+95N	−20B	+87N	−29B	−73N	−94B	+?N	4.0	36.0	36.0	10.50	881	0.0
75	FIDE 10855912	0	—	+77N	−2B	−56N	−47B	+106N	+99B	−62N	−68B	+96N	4.0	35.5	37.5	12.00	899	0.0
76	FIDE 10861564	0	—	+?B	−25N	=?B	=58N	−42B	+82N	+46B	−77N	−52B	4.0	33.0	33.0	11.25	813	0.0
77	FIDE 10845534	0	—	−75B	−74N	−88N	+104B	+86N	+91B	F	+76B	−23N	4.0	30.5	30.5	13.00	619	0.0
78	FIDE 10865594	0	—	−33N	+?B	−48N	+?B	−31N	−59B	=67N	+107B	=86N	4.0	30.0	30.0	5.50	732	0.0
79	FIDE 10816860	0	—	−2N	+?B	+?N	−29B	=107N	+?B	−23N	−35B	=71N	4.0	30.0	30.0	2.75	725	0.0
80	FIDE 554002923	0	—	+81N	−21B	−55N	−60B	−99N	+109B	−66N	+105B	+?B	4.0	29.0	29.0	6.50	634	0.0
81	FIDE 10857265	0	—	−80B	+82N	+?B	−14N	+?B	−58N	+?B	−42N	−46B	4.0	28.5	28.5	4.00	779	0.0
82	Mathew Muchiri	0	KEN	−21N	−81B	+91N	−?B	+?N	−76B	+?N	+86B	−48N	4.0	26.0	26.0	7.00	664	0.0
83	Tamiranashe Chemhere	0	ZIM	+7B	=13N	+45B	−23B	−35N	−57N	−72B	−90N	+?B	3.5	41.5	41.5	15.00	1334	0.0
84	Peter Malonza	1493	KEN	+91N	−31B	−57B	+103N	=44B	−45N	−64N	−97B	+105N	3.5	33.5	35.5	10.50	709	-19.2
85	Justin Hasani Kiiru	0	KEN	−17B	F	+?N	=19B	−32N	=?N	+94B	−21B	=59N	3.5	31.0	31.0	8.25	1356	0.0
86	FIDE 10866914	0	—	+?B	−18N	−28B	−46N	−77B	+?N	+102B	−82N	=78B	3.5	31.0	31.0	4.50	877	0.0
87	FIDE 10884335	0	—	+49B	−?N	+51B	−40N	−74B	−60N	=90B	−89N	+?B	3.5	30.5	30.5	11.75	632	0.0
88	Jaeger Nyamongo Omari	0	KEN	−18B	−?N	+77B	=102N	+92B	+?N	−45B	−61N	−65B	3.5	30.0	30.0	8.75	1600	0.0
89	FIDE 10854630	0	—	−5N	+?B	=98N	−62B	−97N	+92N	−?B	+87B	−64N	3.5	29.0	29.0	8.50	779	0.0
90	FIDE 554003466	0	—	−32N	−?B	+?N	−107B	−95N	+106B	=87N	+83B	−67N	3.5	23.5	23.5	7.25	870	0.0
91	FIDE 554000963	0	—	−84B	−73N	−82B	+100N	+?B	−77N	+?B	−46N	=?B	3.5	23.5	23.5	3.00	697	0.0
92	FIDE 10823735	0	—	−45B	=60N	−?N	+?B	−88N	−89B	−93N	+109B	+107N	3.5	22.0	22.0	4.25	1527	0.0
93	FIDE 10856498	0	—	−25B	−102N	−?B	−?B	+105N	=?N	+92B	+?N	−?B	3.5	13.5	13.5	5.50	768	0.0
94	FIDE 10874593	0	—	F	+?N	−10B	−24B	=50N	=61B	−85N	+74N	−44B	3.0	34.5	34.5	8.75	1563	0.0
95	FIDE 10897755	0	—	F	−34N	−74B	−49N	+90B	−51N	+101B	+?N	−53B	3.0	31.0	31.0	6.50	708	0.0
96	Manuel Mwine Bujara	0	KEN	−30N	+?B	+?N	−21B	−33N	+?B	−48N	−59B	−75B	3.0	30.5	30.5	0.00	714	0.0
97	Lemuel Ngunjiri	0	KEN	−?B	F	=67N	−45N	+89B	−50N	−61B	+84N	=72B	3.0	30.0	30.0	11.25	1510	-5.2
98	FIDE 554002958	0	—	+103B	−35N	=89B	−26N	=63N	−64B	−99N	−?B	+?N	3.0	29.0	29.0	6.50	611	0.0
99	FIDE 554003199	0	—	−20N	+107B	−41B	−?N	+80B	−75N	+98B	−52N	−?B	3.0	28.5	28.5	8.50	742	0.0
100	FIDE 10870229	0	—	−13B	−7N	−16B	−91B	−?N	=105B	=?N	+?N	+108B	3.0	25.5	25.5	2.00	772	0.0
101	FIDE 554000939	0	—	+?N	−8B	−73N	+108B	−71N	−47B	−95N	−104B	+?N	3.0	25.5	25.5	1.00	892	0.0
102	FIDE 554002974	0	—	−64N	+93B	−54N	=88B	=60N	−53B	−86N	−?B	=103N	2.5	31.5	31.5	8.75	1404	0.0
103	FIDE 10856978	0	—	−98N	−68B	+?N	−84B	+108N	−73B	−?N	−?N	=102B	2.5	18.0	18.0	2.25	697	0.0
104	FIDE 10854703	0	—	−4B	−?N	−42B	−77N	F	−?B	+106N	+101N	−?B	2.0	21.0	21.0	5.00	823	0.0
105	FIDE 10854738	0	—	−11B	−?N	−?B	=?N	−93B	=100N	+?B	−80N	−84B	2.0	20.5	20.5	1.50	785	0.0
106	FIDE 554003032	0	—	−19N	−?B	+?N	−61B	−75B	−90N	−104B	−?N	+?B	2.0	20.0	20.0	0.00	764	0.0
107	FIDE 10884645	0	—	−57B	−99N	F	+90N	=79B	−44N	−?B	−78N	−92B	1.5	27.5	27.5	5.50	809	0.0
108	FIDE 554003024	0	—	−34B	F	−36N	−101N	−103B	−?B	=?N	=?B	−100N	1.0	19.5	19.5	0.00	759	0.0
109	FIDE 10856765	0	—	−15N	F	−7B	−42N	−?B	−80N	=?B	−92N	−?B	0.5	25.5	25.5	0.00	776	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Warimwe David JamesKEN
+80.8
7.0 pts · #4
2Tojomalala, AikoMAD
+61.6
6.5 pts · #2
3Wayne Joe NjarumiKEN
+60.4
7.5 pts · #6

Top rating losers

1Shoubhith Omprakash KayyarUGA
-68.8
6.0 pts · #28
2Sauti Joshua LisukuZAM
-64.8
5.0 pts · #9
3Adiel KipkorirKEN
-29.2
5.5 pts · #88

Biggest upsets

R9+384 Elo gap
Kahara Ethan Kariuki1546 beat Sauti Joshua Lisuku1930
R6+238 Elo gap
Tojomalala, Aiko1692 beat Sauti Joshua Lisuku1930
R4+201 Elo gap
Tojomalala, Aiko1692 beat Kuka Kyle1893