OLCC NATIONAL MASTERS CHESS TOURNAMENT 2025

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24 players participated in this 9-round tournament, held from 18 Dec 2025 to 22 Dec 2025 in Lekki, LAGOS., Nigeria. 2 titled players. Top 10 Elo average was 2078, and top seed was Toluwanimi OKEMAKINDE (🇳🇬 NGR, CM, 2169).

Oladapo ADU (🇳🇬 NGR, IM, 2143) won with 8.0/9, ahead of Jehu Thomas HABILA (6.5) and Adebayo Oludayo MATAN (6.0). ADU won solo starting round 3.

The biggest upset came in round 1: Magnus Etim EKPIKEN (1810) beat Orobosa Emmanuel IDEHEN (2016), a +206-point gap.

Location

🇳🇬Lekki, LAGOS., Nigeria

Dates

18 Dec 2025 → 22 Dec 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇳🇬CMToluwanimi OKEMAKINDE2169

Avg top 10

2,078

Participants

Titled players · 2

IM×1

CM×1

Federations · 1 represented

🇳🇬Nigeria×24

Top 3

🥇
IMOladapo ADU
🇳🇬NGR·2143
8.0pts·2392perf+45.2
🥈
Jehu Thomas HABILA
🇳🇬NGR·2000
6.5pts·2190perf+80.8
🥉
Adebayo Oludayo MATAN
🇳🇬NGR·1991
6.0pts·2181perf+45.6

How it unfolded

Top 6 · 9 rounds

IM Oladapo ADU led from R3; +1.5-point edge over the runner-up.

Co-leaders

ADU8HABILA6.5MATAN6CHIMA6OKEMAKINDE5.5OYEPITAN5.5

R3–R9 · LEAD HELD

IM Oladapo ADU never relinquished the lead after R3; final gap +1.5 over the runner-up.

R1 · HEAD-TO-HEAD · WINNER VS 2ND

IM Oladapo ADU beat Jehu Thomas HABILA (Black).

WIN STREAKS · 2 top finishers

IM Oladapo ADU 5 wins (R1–R5)Jehu Thomas HABILA 5 wins (R4–R8)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1IMOladapo ADU	*	1	1	½
2Jehu Thomas HABILA	0	*	1	1
3Adebayo Oludayo MATAN	0	0	*	½
4Mount Zion Kenechukwu CHIMA	½	0	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	ADU, OladapoIM	2143	NGR	+2N	+3B	+5N	+14B	+9N	=4B	+6N	+8B	=11N	8.0	43.5	47.5	42.25	2392	+45.2
2	HABILA, Jehu Thomas	2000	NGR	−1B	+18N	=7B	+17N	+14N	+3B	+4N	+5B	−6N	6.5	44.0	47.5	31.25	2190	+80.8
3	MATAN, Adebayo Oludayo	1991	NGR	+15B	−1N	+8B	=6N	+11B	−2N	+7B	+13B	=4N	6.0	45.0	49.0	28.75	2181	+45.6
4	CHIMA, Mount Zion Kenechukwu	2003	NGR	=17N	+23B	+20N	=5B	+7N	=1N	−2B	+6B	=3B	6.0	43.0	44.0	26.00	2144	+27.6
5	OKEMAKINDE, ToluwanimiCM	2169	NGR	+10B	+8N	−1B	=4N	+13B	−6N	+9B	−2N	+19B	5.5	44.0	47.0	24.00	2103	-14.6
6	SAMBO, Joseph	2051	NGR	+24N	+22B	−14N	=3B	+19N	+5B	−1B	−4N	+2B	5.5	40.0	40.0	19.00	2074	+11.2
7	OYEPITAN, Joshua Ayodeji	2128	NGR	−13B	+17B	=2N	+21N	−4B	+19B	−3N	+20N	+9B	5.5	36.0	37.5	18.25	2014	-22.4
8	AKINROGUNDE, Clinton	2016	NGR	+12N	−5B	−3N	=18B	+22B	+17N	=15B	−1N	+20B	5.0	37.5	38.5	15.25	1939	-15.0
9	AKINSEYE, Oladotun	2046	NGR	+18B	=20N	=13B	+22N	−1B	=15N	−5N	+12B	−7N	4.5	37.5	38.5	14.25	1964	-17.4
10	OLUWASEYITAN, Femi	2002	NGR	−5N	+12B	−22N	−15N	+16B	=18B	−13N	+23B	+17N	4.5	30.0	31.0	14.75	1942	-10.6
11	NESIMEYE, Okuma Ejomafuvwe	2034	NGR	F	F	=21B	+20B	−3N	=13N	+14B	+15N	=1B	4.5	30.0	30.0	17.25	2115	+16.4
12	Adelakun, Adewale	1830	NGR	−8B	−10N	+24N	+23B	−15B	+22N	=20B	−9N	+18B	4.5	26.0	26.0	6.75	1868	+5.0
13	OKOJIE, Osakwe Simeon	2000	NGR	+7N	=14B	=9N	=19B	−5N	=11B	+10B	−3N	F	4.0	38.5	41.5	18.00	2046	+19.6
14	AFAM, Ndidi Ernest	2055	NGR	+21B	=13N	+6B	−1N	−2B	=20N	−11N	−17B	+23N	4.0	36.0	37.0	11.25	1951	-20.0
15	OSAYANDE, Kingsley	2123	NGR	−3N	+24B	−19N	+10B	+12N	=9B	=8N	−11B	F	4.0	36.0	36.0	13.75	1975	-61.2
16	IDEHEN, Orobosa Emmanuel	2016	NGR	−20B	−21N	−18B	+24N	−10N	+23B	+17B	−19N	+22N	4.0	20.5	20.5	5.50	1647	-110.8
17	Alayo Fortune	0	NGR	=4B	−7N	+23N	−2B	+18N	−8B	−16N	+14N	−10B	3.5	39.0	40.0	11.50	1869	0.0
18	SHOBOYEJO, Oloruntobi Ayomipo	1855	NGR	−9N	−2B	+16N	=8N	−17B	=10N	=19B	+22B	−12N	3.5	35.5	36.5	11.25	1878	+3.2
19	Dasaolu, Rotimi	1945	NGR	F	F	+15B	=13N	−6B	−7N	=18N	+16B	−5N	3.0	32.0	32.0	11.75	1999	+9.0
20	EKPIKEN, Magnus Etim	1810	NGR	+16N	=9B	−4B	−11N	F	=14B	=12N	−7B	−8N	2.5	38.0	39.5	10.50	1875	+11.2
21	ANANTI, Nzubechukwu	1967	NGR	−14N	+16B	=11N	−7B	F	F	F	F	F	1.5	20.5	20.5	6.25	1971	-0.2
22	UVOKEKE RICHARD	0	NGR	F	−6N	+10B	−9B	−8N	−12B	−23N	−18N	−16B	1.0	32.5	32.5	4.50	1665	0.0
23	LADIPO, Jacob Oluwatoyi	0	NGR	F	−4N	−17B	−12N	F	−16N	+22B	−10N	−14B	1.0	27.5	27.5	1.00	1181	0.0
24	TOMMY, Nkekere	1937	NGR	−6B	−15N	−12B	−16B	F	F	F	F	F	0.0	19.0	19.0	0.00	1205	-65.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1HABILA, Jehu ThomasNGR
+80.8
6.5 pts · #4
2MATAN, Adebayo OludayoNGR
+45.6
6.0 pts · #2
3ADU, OladapoIMNGR
+45.2
8.0 pts · #1

Top rating losers

1IDEHEN, Orobosa EmmanuelNGR
-110.8
4.0 pts · #21
2TOMMY, NkekereNGR
-65.6
0.0 pts · #24
3OSAYANDE, KingsleyNGR
-61.2
4.0 pts · #9

Biggest upsets

R1+206 Elo gap
EKPIKEN, Magnus Etim1810 beat IDEHEN, Orobosa Emmanuel2016
R3+178 Elo gap
Dasaolu, Rotimi1945 beat OSAYANDE, Kingsley2123
R8+169 Elo gap
HABILA, Jehu Thomas2000 beat CMOKEMAKINDE, Toluwanimi2169