KAS Junior tournament 2025 - Open
Open SwissStandard
49 players participated in this 8-round tournament, held from 13 Dec 2025 to 20 Dec 2025 in Nairobi, Kenya. 1 titled players. Top 10 Elo average was 1632, and top seed was Odongo Lwanga (🇰🇪 KEN, CM, 1761).
Muli Faraja Mumo (🇰🇪 KEN, 1683) won with 8.0/8, ahead of Odongo Lwanga (6.5) and Obonyo Abigail (6.0). Mumo won solo starting round 5.
The biggest upset came in round 2: Jayden Kiogora Mwenda (1446) beat Anindo Andericus (1588), a +142-point gap.
Location
🇰🇪Nairobi, Kenya
Dates
13 Dec 2025 → 20 Dec 2025
Time control
Standard: 90 minutes for the whole game
System
Swiss · 8 rounds
Titled players · 1
CM×1
Federations · 1 represented
🇰🇪Kenya×39
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 8 roundsMuli Faraja Mumo led from R5; +1.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R5.
Co-leaders
24
11
5
3
1
1
1
1
R5–R8 · LEAD HELD
Muli Faraja Mumo never relinquished the lead after R5; final gap +1.5 over the runner-up.
R7 · HEAD-TO-HEAD · WINNER VS 2ND
Muli Faraja Mumo beat CM Odongo Lwanga (White).
WIN STREAKS · 3 top finishers
Muli Faraja Mumo 8 wins (R1–R8)CM Odongo Lwanga 4 wins (R1–R4)Obonyo Abigail 6 wins (R3–R8)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Muli Faraja Mumo | * | 1 | — | 1 |
| 2CMOdongo Lwanga | 0 | * | — | 1 |
| 3Obonyo Abigail | — | — | * | — |
| 4Simiyu Baraka Daniel | 0 | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Muli Faraja Mumo | 1683 | KEN | +36B | +23N | +6B | +4N | +15B | +5N | +2B | +10N | 8.0 | 36.5 | 39.0 | 39.00 | 2417 | +115.6 |
| 2 | Lwanga, OdongoCM | 1761 | KEN | +28B | +20N | +8B | +15N | =5B | +4N | −1N | +6B | 6.5 | 38.5 | 42.5 | 31.75 | 1840 | +30.4 |
| 3 | Obonyo Abigail | 1627 | KEN | −7N | −9B | +42N | +33B | +34N | +26B | +5N | +12B | 6.0 | 31.5 | 33.5 | 22.50 | 2277 | +46.4 |
| 4 | Simiyu Baraka Daniel | 1701 | KEN | +34N | +16B | +17N | −1B | +20N | −2B | +11N | =8N | 5.5 | 38.0 | 41.0 | 23.75 | 1702 | +3.6 |
| 5 | Oluchiri Jeshurun Inyangala | 1628 | KEN | +32B | +21N | +12B | +26N | =2N | −1B | −3B | +16N | 5.5 | 38.0 | 41.0 | 23.75 | 1663 | +16.4 |
| 6 | Elvis Muigai Kamau | 1525 | KEN | +33N | +44B | −1N | +25B | +7N | =8N | +10B | −2N | 5.5 | 37.5 | 39.5 | 22.25 | 1642 | +39.2 |
| 7 | Burton Muraguri | 0 | KEN | +3B | =43N | +30B | =8N | −6B | +18B | =17N | +15N | 5.5 | 34.0 | 36.0 | 24.50 | 1624 | 0.0 |
| 8 | Mugo Sean Mugi | 1597 | KEN | +39B | +25N | −2N | =7B | +35N | =6B | +22N | =4B | 5.5 | 33.5 | 35.5 | 20.75 | 1649 | +14.8 |
| 9 | Mwai Mark | 0 | KEN | +19B | +3N | −15B | −20N | =29N | +35B | +30B | +17N | 5.5 | 30.5 | 33.0 | 22.75 | 1603 | 0.0 |
| 10 | Anindo Andericus | 1588 | KEN | +31N | −26B | +29N | +11B | +21N | +16B | −6N | −1B | 5.0 | 34.5 | 38.0 | 20.50 | 1572 | -5.2 |
| 11 | Jasmine Akinyi Ochieng | 1483 | KEN | +13B | −15N | +31B | −10N | +14B | +24N | −4B | +27B | 5.0 | 33.0 | 36.5 | 21.50 | 1431 | -11.2 |
| 12 | Kamoni Elvin | 1422 | KEN | +45N | +18B | −5N | +17B | −16N | +20B | +29N | −3N | 5.0 | 32.5 | 33.5 | 17.50 | 1607 | +70.4 |
| 13 | Oluchiri Jadarudo Achieng | 0 | KEN | −11N | +48B | +36N | −16B | +25N | −22B | +21N | +20B | 5.0 | 28.0 | 28.0 | 14.50 | 1476 | -24.0 |
| 14 | Prudence Mumbi | 0 | KEN | −23B | −32N | +39B | +31N | −11N | +47B | +25B | +22N | 5.0 | 25.5 | 25.5 | 13.50 | 1461 | 0.0 |
| 15 | Onyango Shirlyn Gathoni | 1645 | KEN | +48N | +11B | +9N | −2B | −1N | +21B | =16N | −7B | 4.5 | 39.0 | 39.0 | 16.75 | 1581 | -20.8 |
| 16 | Chazima Terence Shaka | 1505 | KEN | +47B | −4N | +32B | +13N | +12B | −10N | =15B | −5B | 4.5 | 33.5 | 33.5 | 15.25 | 1534 | +6.8 |
| 17 | Dimba Zahra Akongo | 1521 | KEN | +38B | +46N | −4B | −12N | +27B | +28N | =7B | −9B | 4.5 | 31.5 | 32.5 | 13.75 | 1392 | -26.0 |
| 18 | Serede Elvis Mugilwa Jnr | 1546 | KEN | +41B | −12N | +28B | −21N | +19B | −7N | =31B | +30N | 4.5 | 30.0 | 32.0 | 15.75 | 1549 | +0.8 |
| 19 | Riley Matingi | 1543 | KEN | −9N | +33B | +34N | =22B | −18N | −29B | +35N | +24B | 4.5 | 27.5 | 30.0 | 14.50 | 1402 | -34.0 |
| 20 | Okwemba Elvis | 1491 | KEN | +35N | −2B | +24N | +9B | −4B | −12N | +28B | −13N | 4.0 | 35.5 | 38.0 | 16.00 | 1332 | -39.6 |
| 21 | Brielle Wairimu | 1446 | KEN | +24N | −5B | +37N | +18B | −10B | −15N | −13B | +32N | 4.0 | 31.5 | 34.0 | 14.00 | 1354 | -26.4 |
| 22 | Gilana Angel Muthoni | 1447 | KEN | −30B | +38N | +27B | =19N | =26B | +13N | −8B | −14B | 4.0 | 31.5 | 33.5 | 15.25 | 1459 | -0.8 |
| 23 | Hope Amana Kairo | 1454 | KEN | +14N | −1B | =35N | =29B | −24N | +33B | −27N | +38B | 4.0 | 30.0 | 32.0 | 13.00 | 1418 | -4.0 |
| 24 | Stacey Karue | 0 | KEN | −21B | +39N | −20B | +32N | +23B | −11B | +26N | −19N | 4.0 | 28.5 | 30.5 | 13.00 | 1358 | 0.0 |
| 25 | Ethan Kiptoo Terigin | 1442 | KEN | +37N | −8B | +40N | −6N | −13B | +38B | −14N | +34B | 4.0 | 28.5 | 30.5 | 9.50 | 1436 | -2.0 |
| 26 | Jayden Kiogora Mwenda | 1446 | KEN | +49B | +10N | =43B | −5B | =22N | −3N | −24B | +40N | 4.0 | 28.5 | 28.5 | 10.00 | 1542 | +30.8 |
| 27 | Kamoni Elsie Wambui | 0 | KEN | −29N | +45B | −22N | +37B | −17N | +36B | +23B | −11N | 4.0 | 26.0 | 27.0 | 10.00 | 1259 | 0.0 |
| 28 | Atarah Wright | 1418 | KEN | −2N | +42B | −18N | +38B | +40N | −17B | −20N | +41B | 4.0 | 25.5 | 27.5 | 8.00 | 1322 | -26.8 |
| 29 | Arianne Hera Ngani | 1540 | KEN | +27B | =30N | −10B | =23N | =9B | +19N | −12B | −31N | 3.5 | 31.5 | 35.0 | 15.00 | 1434 | -28.8 |
| 30 | Salma Nkatha Mwenda | 0 | KEN | +22N | =29B | −7N | −35B | +32N | +34B | −9N | −18B | 3.5 | 29.0 | 31.5 | 11.75 | 1584 | +15.2 |
| 31 | Hawi Natania | 0 | KEN | −10B | F | −11N | −14B | +37N | +40B | =18N | +29B | 3.5 | 27.5 | 27.5 | 10.25 | 1523 | 0.0 |
| 32 | FIDE 554012376 | 0 | — | −5N | +14B | −16N | −24B | −30B | +46N | +37N | −21B | 3.0 | 29.0 | 30.0 | 8.50 | 728 | 0.0 |
| 33 | Keli Tumi | 0 | KEN | −6B | −19N | +47B | −3N | +39B | −23N | −34N | +35B | 3.0 | 27.5 | 27.5 | 4.50 | 717 | 0.0 |
| 34 | Njuguna Lisa Wanjiru | 1412 | KEN | −4B | +47N | −19B | +46N | −3B | −30N | +33B | −25N | 3.0 | 27.5 | 27.5 | 4.00 | 769 | -60.0 |
| 35 | Mutua, Amy Mumo | 0 | KEN | −20B | +36N | =23B | +30N | −8B | −9N | −19B | −33N | 2.5 | 30.0 | 32.5 | 8.00 | 1372 | 0.0 |
| 36 | FIDE 554012368 | 0 | — | −1N | −35B | −13B | +47N | +45B | −27N | −38N | =37B | 2.5 | 25.0 | 25.0 | 2.25 | 816 | 0.0 |
| 37 | Tabitha Makena | 0 | KEN | −25B | +41N | −21B | −27N | −31B | +39N | −32B | =36N | 2.5 | 23.0 | 25.0 | 5.25 | 655 | 0.0 |
| 38 | Leticia Wanjiru | 0 | KEN | −17N | −22B | F | −28N | +41B | −25N | +36B | −23N | 2.0 | 25.0 | 25.0 | 4.50 | 668 | 0.0 |
| 39 | FIDE 10856137 | 0 | — | −8N | −24B | −14N | +42B | −33N | −37B | F | +46N | 2.0 | 23.0 | 23.0 | 3.00 | 797 | 0.0 |
| 40 | Telo Ariela | 0 | KEN | −44N | F | −25B | +41N | −28B | −31N | +45B | −26B | 2.0 | 20.5 | 20.5 | 3.00 | 639 | -84.0 |
| 41 | FIDE 554012350 | 0 | — | −18N | −37B | +45N | −40B | −38N | F | +42B | −28N | 2.0 | 18.0 | 18.0 | 3.00 | 678 | 0.0 |
| 42 | FIDE 554012341 | 0 | — | −43B | −28N | −3B | −39N | +46B | +45N | −41N | F | 2.0 | 18.0 | 18.0 | 2.00 | 716 | 0.0 |
| 43 | Jean-Christophe Mugisha | 1517 | KEN | +42N | =7B | =26N | F | F | F | F | F | 2.0 | 11.5 | 11.5 | 6.75 | 1446 | -2.0 |
| 44 | Marc-Antoine Ishimwe Ndagijimana | 1441 | KEN | +40B | −6N | +46B | F | F | F | F | F | 2.0 | 8.5 | 8.5 | 3.00 | 1491 | +5.2 |
| 45 | FIDE 554012392 | 0 | — | −12B | −27N | −41B | F | −36N | −42B | −40N | +47B | 1.0 | 17.5 | 17.5 | 0.00 | 640 | 0.0 |
| 46 | FIDE 554012406 | 0 | — | F | −17B | −44N | −34B | −42N | −32B | +47N | −39B | 1.0 | 16.5 | 16.5 | 0.00 | 669 | 0.0 |
| 47 | FIDE 554012384 | 0 | — | −16N | −34B | −33N | −36B | F | −14N | −46B | −45N | 0.0 | 20.0 | 20.0 | 0.00 | 659 | 0.0 |
| 48 | FIDE 10849475 | 0 | — | −15B | −13N | F | F | F | F | F | F | 0.0 | 11.5 | 11.5 | 0.00 | 804 | 0.0 |
| 49 | FIDE 10880623 | 0 | — | −26N | F | F | F | F | F | F | F | 0.0 | 7.5 | 7.5 | 0.00 | 646 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Muli Faraja MumoKEN+115.68.0 pts · #1
- 2Kamoni ElvinKEN+70.45.0 pts · #7
- 3Obonyo AbigailKEN+46.46.0 pts · #8
Top rating losers
- 1Telo ArielaKEN-84.02.0 pts · #48
- 2Njuguna Lisa WanjiruKEN-60.03.0 pts · #45
- 3Okwemba ElvisKEN-39.64.0 pts · #30
Biggest upsets
- R2+142 Elo gap
- R2+124 Elo gap
- R7+118 Elo gap