NORTH CENTRAL ZONAL CHESS CHAMPIONSHIP 2025

Open SwissStandard

87 players participated in this 8-round tournament, held from 05 Aug 2025 to 07 Aug 2025 in Jos, Nigeria. 2 federations represented. Top 10 Elo average was 2046, and top seed was Tersee Ferdinand NYUIMA (🇳🇬 NGR, 2185).

MAGOMYA Robert Ahundihine (🇳🇬 NGR, 2054) won with 6.5/8, ahead of Lucky Musa KEYI (6.5) and Jehu Thomas HABILA (6.5). Ahundihine shared the lead from round 3, winning on tie-break.

The biggest upset came in round 2: Rejoice Kira ISHAYA (1709) beat Richard Adamu YOHANNA (2058), a +349-point gap.

Location

🇳🇬Jos, Nigeria

Dates

05 Aug 2025 → 07 Aug 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 8 rounds

Top seed

🇳🇬Tersee Ferdinand NYUIMA2185

Avg top 10

2,046

Participants

Federations · 2 represented

🇳🇬Nigeria×62

FIDE (no federation)×1

Top 3

🥇
MAGOMYA Robert Ahundihine
🇳🇬NGR·2054
6.5pts·2152perf+35.2
🥈
Lucky Musa KEYI
🇳🇬NGR·2052
6.5pts·2346perf+39.0
🥉
Jehu Thomas HABILA
🇳🇬NGR·1953
6.5pts·2101perf+46.8

How it unfolded

Top 6 · 8 rounds

Tight race until R8; 3 players tied at 6.5/8, decided on Buchholz. Title race narrowed from 4 co-leaders at R4 to 3 at the finish.

Co-leaders

KEYI6.5Ahundihine6.5HABILA6.5JOSHUA6ELUEKEZI6GEORGE6

R8 · TIEBREAK CLUSTER

3 players finish on 6.5/8. Ahundihine takes the title on Buchholz Cut1 (37.5).

R7 · HEAD-TO-HEAD · WINNER VS 2ND

Lucky Musa KEYI beat MAGOMYA Robert Ahundihine (White).

WIN STREAKS · 3 top finishers

Lucky Musa KEYI 3+3 wins (R2–R4, R6–R8)MAGOMYA Robert Ahundihine 6 wins (R1–R6)Jehu Thomas HABILA 3+3 wins (R1–R3, R5–R7)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Lucky Musa KEYI	*	1	—	—
2MAGOMYA Robert Ahundihine	0	*	½	—
3Jehu Thomas HABILA	—	½	*	—
4Damian JOSHUA	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	Pts	Bu C1	Bu	SB	Perf	Δ
1	MAGOMYA Robert Ahundihine	2054	NGR	+53B	+37N	+36B	+9N	+4B	+28N	−2N	=3B	6.5	37.5	41.5	31.75	2152	+35.2
2	KEYI, Lucky Musa	2052	NGR	F	+22N	+13B	+14N	=28B	+29N	+1B	+4N	6.5	36.5	36.5	34.25	2346	+39.0
3	HABILA, Jehu Thomas	1953	NGR	+65N	+38B	+31N	−28B	+40B	+10N	+14B	=1N	6.5	34.0	37.0	29.25	2101	+46.8
4	ABDULLAHI, Adamu	1957	NGR	+67B	+7N	+40B	+15N	−1N	+13B	+6N	−2B	6.0	39.0	42.0	29.00	1977	+3.2
5	JOSHUA, Damian	2061	NGR	+47B	+17N	−14B	=8N	+22B	+33N	+29B	=7N	6.0	36.0	40.0	29.00	2016	-4.4
6	BOT, Christopher	1855	NGR	+82B	+25N	−15B	+23N	+37B	+36N	−4B	+14N	6.0	34.0	35.5	24.50	2018	+34.0
7	OBIKILI CHINEDU GEORGE	0	NGR	+?N	−4B	+41N	+21B	=16N	+30B	+?N	=5B	6.0	30.5	30.5	19.00	1951	0.0
8	ELUEKEZI, Chukwuwikeh Phoenix	1964	NGR	+79N	=34B	+78N	=5B	−13N	+31B	+44N	+36B	6.0	30.0	32.0	21.75	1916	-5.0
9	EZEADIREJE, Kingsley	1912	NGR	+58N	+81B	+64N	−1B	−32N	+66B	+39N	+13B	6.0	29.5	31.5	20.50	1736	-28.0
10	TYOWASE, Tyover Collins	1973	NGR	F	+18B	+20N	+24N	=29B	−3B	+32N	+11B	5.5	36.0	40.0	27.25	2039	+23.6
11	OTHMAN, Fuenshak	1942	NGR	+86B	+77N	+42B	−29N	=33B	+17N	+28B	−10N	5.5	30.0	31.0	18.75	1903	-4.2
12	OKWUOSA, Chukwunonso Emmanuel	1886	NGR	F	F	+56N	+48B	=18N	+45B	+64N	+24B	5.5	24.5	24.5	22.00	1881	0.0
13	DANJUMA, Yakubu Aranye	1790	NGR	+61N	+46B	−2N	+45B	+8B	−4N	+43B	−9N	5.0	36.5	40.0	21.50	1917	+30.0
14	SHALOM, Temidayo	1849	NGR	+68N	+41B	+5N	−2B	+64B	+42N	−3N	−6B	5.0	36.0	39.0	20.00	1788	-12.8
15	OKORIE, Phillip Chukwuebuka	0	NGR	+?N	+56B	+6N	−4B	−30N	+18B	+16N	−21B	5.0	35.0	35.0	19.50	1846	0.0
16	MOHAMMED, Auwal Garba	1849	NGR	+74B	−42N	+25B	+47N	=7B	=19N	−15B	+65N	5.0	32.0	35.0	20.50	1853	+0.4
17	AYUBA, Beneche Daniel	1668	NGR	+69N	−5B	+61N	=46B	+59N	−11B	+30N	=20B	5.0	32.0	35.0	19.00	1896	+54.4
18	NAMARWA, Mercy Iliya	1616	NGR	+85B	−10N	+55B	=43N	=12B	−15N	+49B	+42N	5.0	32.0	33.0	17.75	1834	+26.0
19	YAKUBU, Daniel Musa	1853	NGR	+35N	+83B	−28N	+38B	=31N	=16B	−24N	+39B	5.0	31.5	32.5	18.25	1757	-8.2
20	OKORIE - KALU, Kelechi Emmanuel	1750	NGR	+55B	+50N	−10B	−42N	=63B	+46N	+34B	=17N	5.0	31.0	34.5	20.75	1732	-4.0
21	SALIHU, Muhammad Mubarak	1897	NGR	+62N	−64B	F	−7N	+46B	+53N	+37B	+15N	5.0	31.0	34.0	20.50	2469	+8.4
22	OLA, Elijah Praise	1665	NGR	+71N	−2B	+83N	=30B	−5N	+56B	=48N	+64B	5.0	30.5	31.5	14.75	1751	+10.4
23	BULUS, David Jonathan	0	NGR	−28N	+71B	+?N	−6B	+72N	−26B	+55N	+41B	5.0	29.5	29.5	14.00	1170	0.0
24	Udoh, Phillips	0	FID	+?N	+?B	+34N	−10B	−36B	+38N	+19B	−12N	5.0	28.5	28.5	13.50	1816	0.0
25	IBRAHIM, Nasiru	0	NGR	+30N	−6B	−16N	+?B	F	+59B	+31N	+44B	5.0	27.5	27.5	16.50	1861	0.0
26	WASHIK-DALAHAM, Sarkinaan Isa	0	NGR	+?B	−40N	+?B	−37N	+67B	+23N	−36B	+38N	5.0	24.0	24.0	12.00	956	0.0
27	NYUIMA, Tersee Ferdinand	2185	NGR	F	F	F	+84N	+57B	+54N	+42B	+33N	5.0	17.0	17.0	17.00	2585	+3.2
28	URAIH, Patrick Onyeka	2085	NGR	+23B	+33N	+19B	+3N	=2N	−1B	−11N	F	4.5	39.5	44.0	24.25	1987	-13.0
29	WINSTON-ONYIAH, Sasha	2067	NGR	+39N	+32B	+44N	+11B	=10N	−2B	−5N	F	4.5	36.0	36.0	20.75	1984	-10.6
30	EZEANYA, Ikechukwu	1902	NGR	−25B	+57N	+74B	=22N	+15B	−7N	−17B	+51N	4.5	33.5	36.5	18.00	1474	-21.8
31	ISHAYA, Rejoice Kira	1709	NGR	+60B	+43N	−3B	+80N	=19B	−8N	−25B	+57N	4.5	33.5	35.5	15.50	1871	+13.8
32	DAVID, Peter	1738	NGR	+49B	−29N	+76B	+50N	+9B	=43N	−10B	F	4.5	32.5	35.0	18.50	1916	+30.4
33	MONDAY, MUSA Naomi	1721	NGR	+72N	−28B	+81N	+52B	=11N	−5B	+70N	−27B	4.5	31.0	33.0	14.75	1731	-0.8
34	AGWOM, Deborah Dembo	1555	NGR	+87B	=8N	−24B	+77N	−43B	+75N	−20N	+56B	4.5	28.0	28.5	11.50	1615	+4.0
35	IHIMOYAN, Joshua Ayoola	0	NGR	−19B	+84N	F	−41B	+?N	+69B	+?N	=48B	4.5	22.0	22.0	6.00	1613	0.0
36	ANASOH, Blaise Ifeanyi	1824	NGR	F	+52B	−1N	+39B	+24N	−6B	+26N	−8N	4.0	36.5	36.5	18.00	1158	-39.2
37	MAFAI, Tamo John	1666	NGR	F	−1B	+73N	+26B	−6N	+41B	−21N	+45B	4.0	33.5	33.5	16.00	1136	-22.4
38	FIDE 8555435	0	—	+?B	−3N	+49B	−19N	+73N	−24B	+61N	−26B	4.0	32.0	32.0	10.50	1104	0.0
39	DANJUMA, David	0	NGR	−29B	+60N	+70B	−36N	+49B	+51N	−9B	−19N	4.0	31.0	34.0	14.50	1114	0.0
40	SADIQ, Ibrahim	1770	NGR	F	+26B	−4N	+65B	−3N	−64B	+68N	+53B	4.0	30.5	33.5	15.00	1156	-20.8
41	UBANDOMA, Benedict Ritji	0	NGR	+?B	−14N	−7B	+35N	+47B	−37N	+79B	−23N	4.0	30.5	30.5	10.50	959	0.0
42	UDOH, Gladstone Amos Jnr.	0	NGR	+?N	+16B	−11N	+20B	+?N	−14B	−27N	−18B	4.0	30.5	30.5	10.00	1806	0.0
43	YOHANNA, Richard Adamu	2058	NGR	+66N	−31B	+58N	=18B	+34N	=32B	−13N	F	4.0	30.0	30.0	15.75	1640	-96.8
44	TYOWASE, Toryila Promise	1789	NGR	+63B	+70N	−29B	−64N	+68B	+65N	−8B	−25N	4.0	28.0	31.0	12.50	1216	-17.6
45	FIDE 8574472	0	—	F	+87N	+?B	−13N	+50B	−12N	+60B	−37N	4.0	28.0	28.0	8.00	982	0.0
46	UKOSO, Emmanuel Kaase	0	NGR	+?B	−13N	+?B	=17N	−21N	−20B	=59N	+68B	4.0	26.5	26.5	7.25	1546	0.0
47	FIDE 8524920	0	—	−5N	+?B	+75N	−16B	−41N	+72B	+52N	−?B	4.0	24.5	24.5	9.50	1104	0.0
48	IGBIGBI, Lily Nora Ogheneyerovwo	1759	NGR	F	F	+57B	−12N	+78B	+63N	=22B	=35N	4.0	24.0	24.0	13.75	1583	-18.4
49	MALLAN, Praise Bwehmasai	0	NGR	−32N	+?B	−38N	+?B	−39N	+58B	−18N	+66B	4.0	24.0	24.0	6.50	878	0.0
50	FIDE 8532869	0	—	+?N	−20B	+66N	−32B	−45N	+?B	−65B	+67N	4.0	22.5	22.5	6.00	947	0.0
51	FIDE 8574979	0	—	F	+?B	−65N	+61B	+58N	−39B	+66N	−30B	4.0	21.5	21.5	10.00	1102	0.0
52	UDOH, Joethan Inyeneobong	0	NGR	+?B	−36N	+77B	−33N	−53B	+67N	−47B	+?N	4.0	21.5	21.5	5.00	974	0.0
53	DURKWA, John Reuben	0	NGR	−1N	+?B	+?N	−?B	+52N	−21B	+?B	−40N	4.0	19.5	19.5	4.00	1082	0.0
54	ABDUL, Abdulsamad Damilola	0	NGR	F	F	−59N	+?B	+?N	−27B	+62N	+70B	4.0	15.0	15.0	6.50	1203	0.0
55	LANCASTER, Abigail Hope	0	NGR	−20N	+?B	−18N	−?B	+?N	+?B	−23B	+?N	4.0	15.0	15.0	0.00	885	0.0
56	FIDE 8559503	0	—	=57B	−15N	−12B	+82N	+76B	−22N	+75B	−34N	3.5	28.5	30.0	8.25	902	0.0
57	TYOWASE, Ngodoo Peace	0	NGR	=56N	−30B	−48N	+62B	−27N	+78B	+?N	−31B	3.5	27.0	27.0	7.25	1090	0.0
58	IBRAHIM, Eden-Anastisa Reuben	0	NGR	−9B	+?N	−43B	+83N	−51B	−49N	+69B	=60N	3.5	25.5	25.5	5.75	1185	0.0
59	AGBAKOBA, Onyeka Martins	1805	NGR	F	F	+54B	+78N	−17B	−25N	=46B	+63N	3.5	23.5	23.5	11.50	868	-28.0
60	MUHAMMED, Mubarak Onimisi	0	NGR	−31N	−39B	+?N	−66B	+?N	+?B	−45N	=58B	3.5	19.0	19.0	1.75	913	0.0
61	FIDE 8537720	0	—	−13B	+?N	−17B	−51N	+?B	+?N	−38B	=?N	3.5	18.0	18.0	0.00	930	0.0
62	FIDE 8525056	0	—	−21B	−?N	=?B	−57N	+82B	+?N	−54B	+75N	3.5	16.5	16.5	4.00	1098	0.0
63	KUDEHINBU, Oluwaponle	0	NGR	−44N	+?B	−?N	+?B	=20N	−48B	+?N	−59B	3.5	16.5	16.5	2.50	1418	0.0
64	LAR, Natty Love	0	NGR	F	+21N	−9B	+44B	−14N	+40N	−12B	−22N	3.0	34.5	34.5	13.00	1775	0.0
65	FIDE 8573956	0	—	−3B	+?N	+51B	−40N	F	−44B	+50N	−16B	3.0	29.5	29.5	8.00	1042	0.0
66	DICKSON, Chidubem Ayodele	0	NGR	−43B	+85N	−50B	+60N	+?B	−9N	−51B	−49N	3.0	26.5	26.5	4.50	1185	0.0
67	FIDE 8574731	0	—	−4N	−?B	+71N	+69B	−26N	−52B	+83N	−50B	3.0	26.0	26.0	7.00	1157	0.0
68	FIDE 8535035	0	—	−14B	−80N	+?B	+?N	−44N	+71B	−40B	−46N	3.0	22.0	22.0	3.00	1004	0.0
69	FIDE 8514461	0	—	−17B	−?N	+?B	−67N	+77B	−35N	−58N	+82B	3.0	19.5	19.5	3.50	868	0.0
70	WASHIK, Atari Ladi	0	NGR	+?N	−44B	−39N	+?B	+?N	F	−33B	−54N	3.0	16.5	16.5	0.00	956	0.0
71	FIDE 8531390	0	—	−22B	−23N	−67B	+?N	+?B	−68N	+?N	−?B	3.0	16.0	16.0	0.00	865	0.0
72	MALLAN, Safat Joshua	0	NGR	−33B	−?N	+?B	+?N	−23B	−47N	−?N	+?B	3.0	13.5	13.5	0.00	922	0.0
73	FIDE 8573743	0	—	F	+?N	−37B	+?N	−38B	−?N	+?B	−?B	3.0	12.0	12.0	0.00	869	0.0
74	FIDE 8536309	0	—	−16N	+?B	−30N	−?B	−?N	+84B	−?N	+?B	3.0	10.5	10.5	1.00	1076	0.0
75	FIDE 8575207	0	—	F	+86N	−47B	=76N	+?B	−34B	−56N	−62B	2.5	19.0	19.0	2.25	755	0.0
76	FIDE 8544107	0	—	−?N	+?B	−32N	=75B	−56N	−?B	−?N	+?B	2.5	10.5	10.5	1.25	970	0.0
77	FIDE 8574774	0	—	+?N	−11B	−52N	−34B	−69N	−?B	+84N	−81B	2.0	20.0	20.0	1.00	949	0.0
78	EZEKIEL, Emmanuella Haraichi	0	NGR	F	F	−8B	−59B	−48N	−57N	+82B	+?N	2.0	18.5	18.5	1.50	1048	0.0
79	FIDE 8574723	0	—	−8B	+?N	−80B	F	+?N	−?B	−41N	−?B	2.0	13.0	13.0	0.00	1083	0.0
80	FIDE 8574960	0	—	F	+68B	+79N	−31B	F	F	F	F	2.0	12.5	12.5	5.00	913	0.0
81	Kaweng Pascal Lojah	0	NGR	F	−9N	−33B	−?N	+?B	−?B	−?N	+77N	2.0	12.5	12.5	2.00	1017	0.0
82	IHIMOYAN, Danielle Jesutofunmi	0	NGR	−6N	−?B	=?N	−56B	−62N	+?B	−78N	−69N	1.5	18.0	18.0	0.00	1055	0.0
83	TENMANG, Kyenret Elisha	0	NGR	F	−19N	−22B	−58B	−?N	+?N	−67B	−?N	1.0	16.5	16.5	0.00	959	0.0
84	FIDE 8535086	0	—	F	−35B	−?N	−27B	F	−74N	−77B	+87B	1.0	15.0	15.0	0.50	1385	0.0
85	FIDE 8531404	0	—	−18N	−66B	+?N	F	F	F	F	F	1.0	10.0	10.0	0.00	816	0.0
86	FIDE 8514569	0	—	−11N	−75B	−?N	−?B	+?B	−?N	−?B	−?N	1.0	8.0	8.0	0.00	1143	0.0
87	FIDE 8574790	0	—	−34N	−45B	−?N	−?B	=?N	−?B	−?B	−84N	0.5	9.5	9.5	0.00	755	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1AYUBA, Beneche DanielNGR
+54.4
5.0 pts · #18
2HABILA, Jehu ThomasNGR
+46.8
6.5 pts · #5
3KEYI, Lucky MusaNGR
+39.0
6.5 pts · #1

Top rating losers

1YOHANNA, Richard AdamuNGR
-96.8
4.0 pts · #20
2ANASOH, Blaise IfeanyiNGR
-39.2
4.0 pts · #74
3EZEADIREJE, KingsleyNGR
-28.0
6.0 pts · #32

Biggest upsets

R2+349 Elo gap
ISHAYA, Rejoice Kira1709 beat YOHANNA, Richard Adamu2058
R7+268 Elo gap
DANJUMA, Yakubu Aranye1790 beat YOHANNA, Richard Adamu2058
R7+234 Elo gap
AYUBA, Beneche Daniel1668 beat EZEANYA, Ikechukwu1902