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49th Guernsey International Chess Festival - Challengers Tournament

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22 players participated in this 7-round tournament, held from 19 Oct 2025 to 25 Oct 2025 in St Peter Port, Guernsey. 3 titled players from 8 federations. Top 10 Elo average was 1781, and top seed was Peter Hoogakker (🇳🇱 NED, 1813).

Gerda Nevska (🇬🇬 GCI, WCM, 1798) won with 6.0/7, ahead of Garth I Owen (5.0) and Chi Yin Charles Chan (4.5). Nevska won solo starting round 3.

The biggest upset came in round 2: Chi Yin Charles Chan (1554) beat Peter Rijsdijk (1730), a +176-point gap.

Location
🇬🇬St Peter Port, Guernsey
Dates
19 Oct 2025 → 25 Oct 2025
Time control
Standard: 40 Moves in 100 Min. Incr. 30 Sec. / / 40 Min. Incr. 30 Sec.
System
Swiss · 7 rounds
Top seed
🇳🇱Peter Hoogakker1813
Avg top 10
1,781
Participants
22
Titled players · 3
CM×1
WCM×2
Federations · 8 represented
🇬🇧England×7
🇬🇬Guernsey×6
🇳🇱Netherlands×4
🇮🇪Ireland×1
🇭🇰Hong Kong China×1
🇯🇪Jersey×1
🇬🇧Wales×1
🇬🇧Scotland×1
Top 3
  • 🥇
    WCMGerda Nevska
    🇬🇬GCI·1798
    6.0pts·2048perf+39.4
  • 🥈
    CMGarth I Owen
    🇬🇬GCI·1807
    5.0pts·1859perf+11.0
  • 🥉
    Chi Yin Charles Chan
    🇭🇰HKG·1554
    4.5pts·1860perf+112.0

How it unfolded

Top 6 · 7 rounds

WCM Gerda Nevska led from R3; +1.0-point edge over the runner-up.

Co-leaders
3
2
1
1
1
1
1
23.55.57R1R2R3R4R5R6R7
Nevska6Owen5Dennis4.5Remie4.5Chan4.5O`Connell4.5
R3–R7 · LEAD HELD

WCM Gerda Nevska never relinquished the lead after R3; final gap +1.0 over the runner-up.

R7 · HEAD-TO-HEAD · WINNER VS 2ND

WCM Gerda Nevska drew with CM Garth I Owen (Black).

R1–R5 · WIN STREAK

WCM Gerda Nevska won 5 in a row (R1–R5).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1WCMGerda Nevska*
½
1
—
2CMGarth I Owen
½
*
0
—
3Nigel W Dennis
0
1
*—
4Peter Remie———*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Nevska, GerdaWCM1798GCI+16N+7B+9N+4B+5N=3B=2N6.026.029.024.252048+39.4
2Owen, Garth ICM1807GCI+21N+22B−4N=3B+9N+16B=1B5.023.023.513.751859+11.0
3Chan, Chi Yin Charles1554HKG=6B+21N=10B=2N+15B=1N=4N4.526.528.016.251860+112.0
4Dennis, Nigel W1793ENG=20B+18N+2B−1N=7B+15N=3B4.525.027.015.751828+7.8
5O`Connell, Denis1742IRL=17B=15N+11B+10N−1B=9N+8N4.523.025.515.001833+18.6
6Remie, Peter1742NED=3N=8B=14N=7B=12N+11B+13N4.522.526.016.501812+14.2
7Murray, J Stephen1799SCO+11B−1N=17B=6N=4N=12B+16N4.025.027.514.001773-4.0
8Hoogakker, Peter1813NED=18B=6N+12B−15N=13B+10N−5B3.522.525.012.251713-18.8
9Kane, Robert1788ENGF+20N−1B+17N−2B=5B+19N3.522.522.59.251775-1.2
10Finch, Russell1760GCI=19N+13B=3N−5B=14N−8B+21N3.522.023.510.251694-12.4
11Harnden, Terry1708GCI−7N+16B−5N=19B+22B−6N+18B3.521.021.57.251706-0.2
12Kershaw, Graham1750ENG=13N+19B−8NF=6B=7N+15B3.521.021.011.501772+4.4
13Moore, John1587ENG=12B−10N=20B+21N=8N+14B−6B3.520.522.09.501751+30.4
14Jongerius, Marc1756NED=15B=17N=6B=18N=10B−13N+20B3.519.521.510.001684-13.2
15Denning, Julie L1673GCI=14N=5B+22N+8B−3N−4B−12N3.024.024.58.001658-3.2
16Williams, John A1693WLS−1B−11N+21B+22N+17B−2N−7B3.022.523.04.501661-6.6
17Ashbrooke, MonikaWCM1580JCI=5N=14B=7N−9B−16N=18N=22B2.521.021.57.501622+6.2
18Clare, Steve1741ENG=8N−4B=19N=14B=20N=17B−11N2.520.022.07.001617-24.2
19Collins, Alan1675ENG=10B−12N=18B=11N=21B=20N−9B2.518.520.06.501639-7.4
20Goman, Colin1707GCI=4N−9B=13NF=18B=19B−14N2.020.020.06.501598-17.0
21Rijsdijk, Peter1730NED−2B−3B−16N−13B=19N+22N−10B1.522.022.51.751431-105.2
22Bennett, David1552ENGF−2N−15B−16B−11N−21B=17N0.518.518.51.251298-27.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
49th Guernsey International Chess Festival - Challengers Tournament (2025) — St Peter Port, Guernsey | Chess Tournament Results | ChessStats