CChessStats

Mombasa Open Chess Championship 2025 - Ladies Section

Open SwissStandard

36 players participated in this 6-round tournament, held from 10 Oct 2025 to 12 Oct 2025 in Mombasa, Kenya. 2 titled players from 2 federations. Top 10 Elo average was 1664, and top seed was Sasha Mongeli (🇰🇪 KEN, WFM, 1878).

Sasha Mongeli (🇰🇪 KEN, WFM, 1878) won with 5.5/6, ahead of Kimani wanjiru (5.5) and Naisanga Sheba Valentine (4.5). Mongeli shared the lead from round 1, winning on tie-break.

The biggest upset came in round 4: Elsie Muturi (1413) beat Daphne Mwikali (1663), a +250-point gap.

Location
🇰🇪Mombasa, Kenya
Dates
10 Oct 2025 → 12 Oct 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Top seed
🇰🇪WFMSasha Mongeli1878
Avg top 10
1,664
Participants
36
Titled players · 2
WFM×1
WCM×1
Federations · 2 represented
🇰🇪Kenya×17
🇺🇬Uganda×5
Top 3

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 2 players tied at 5.5/6, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders
15
7
3
2
2
2
1.534.56R1R2R3R4R5R6
R6 · TIEBREAK CLUSTER

2 players finish on 5.5/6. Mongeli takes the title on Buchholz Cut1 (20.0).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

WFM Sasha Mongeli drew with Kimani wanjiru (White).

WIN STREAKS · 2 top finishers

WFM Sasha Mongeli 4 wins (R1–R4)Kimani wanjiru 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1WFMSasha Mongeli*
½
1
2Kimani wanjiru
½
*
3Elsie Muturi*
4Naisanga Sheba Valentine
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Mongeli, SashaWFM1878KEN+17B+13N+16B+3N=2B+7N5.520.023.020.251953+6.0
2Kimani wanjiru1647KEN+24B+23N+7B+6N=1N+8B5.519.521.518.752045+35.6
3Naisanga Sheba Valentine1617UGA+32N+10B+22N1B+13N=5B4.519.520.512.751642+1.4
4Muturi, Elsie1413KEN+21B+19N=14N+12B5N+13B4.517.020.014.001752+44.4
5Shannon Bulimo1582KEN+33B+34N6B+26N+4B=3N4.516.017.010.751588+0.6
6Nashipae BellaWCM1728KENF+11B+5N2B+14N+12B4.020.020.014.501866+29.6
7Awuor Concillia Ndegwa1589KEN+31N+30B2N+15B+10N1B4.019.020.09.00965-11.0
8Flavius Hyacinth1636KEN+29N22B+18B+20N+9B2N4.018.019.011.001581-6.0
9Solange Kangye Katongole0UGA+?N14B+24N+11B8N+15B4.015.515.58.501498-11.2
10FIDE 108910300+?B3N+29B+23N7B+17N4.014.514.56.008000.0
11Kadenge Julia Kasei1565KEN+26B6N+21B9N+20B=22N3.516.518.59.25938-5.8
12Mwikali, Daphne1663KEN+35B=18N+19B4N+23B6N3.516.516.56.501490-18.6
13Gichuga Wanjiru Wanjiku1572KEN+15N1B+31B+22N3B4N3.020.021.06.50831-38.4
14Onyango Shirlyn Gathoni1626KENF+9N=4B+16N6B=18N3.018.520.010.751565-16.3
15Mutheu Yasmin0KEN13B+17N+?B7N+16B9N3.017.017.06.001427-6.8
16Joy Muthoni Kairuthi,1607KEN+20B+28N1N14B15N+31B3.016.017.05.50964-24.4
17Kylee Keza Katongole0UGA1N15B+32N+33B+30N10B3.014.515.53.001040-3.2
18Korir Tracy1510KENF=12B8N+27B+28N=14B3.013.513.56.251525+2.8
19Biyinzika Pauline1653UGA+25N4B12N29B+36N+27B3.012.512.53.50736-51.6
20Mirembe Merceline0UGA16N+?B+30N8B11N+34B3.012.512.52.00808-48.4
21FIDE 55400432204N+25B11N+35B+29N?B3.011.011.03.006950.0
22Nekesa Vanessa Sifuna0KENF+8N3B13B+24N=11B2.517.017.07.7514890.0
23FIDE 108261730F2B+33N10B12N+30B2.015.015.02.008580.0
24FIDE 1086835602NF9B+34N22B+28N2.014.514.52.508520.0
25FIDE 554009731019B21N+36N30B27N+32B2.09.59.51.008530.0
26FIDE 10891013011N+36B+35N5B?NF2.09.09.00.007820.0
27FIDE 108386780FF=28B18N+25B19N1.512.512.52.757810.0
28FIDE 5540095370F16B=27N+?N18B24B1.59.59.50.757570.0
29FIDE 1084123708BF10N+19N21BF1.016.016.03.0016450.0
30Sum Tracy Chepchirchir0KENF7N20B+25N17B23N1.014.014.02.007830.0
31Mitchelle Selah0KEN7BF13N?B+32B16N1.011.011.01.007520.0
32FIDE 55400949903B?N17B+36B31N25N1.010.510.50.008170.0
33FIDE 1084907605NF23B17N+?BF1.09.59.50.007810.0
34FIDE 108445460+36N5B?N24BF20N1.09.59.50.007810.0
35FIDE 10898956012NF26B21NFF0.010.510.50.008630.0
36FIDE 554009502034B26N25B32N19B?N0.09.09.00.008530.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets