John K A Alderson

Country

ENG

Birth Year

1944

Gender

M

Title

FIDE ID

422711

FIDE ratings

1867

Classical

Published FIDE

—

Rapid

Published FIDE

—

Blitz

Published FIDE

Official classical ranks

Inactive on the latest FIDE classical list

Rating history

Highest recorded rating
1867 Mar 2024
Recorded years
2015–2026
Archived games
30

Based on available monthly lists and saved games.

FIDE rating history

Published rating lists through Oct 2026.

View rating lists
Available Games

Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-10-05 (UTC).

# Date Event Site Round White Black Result Moves View
1 2024-02-24 2nd Cambridge Int Open Cambridge ENG 9.5 Ole Bay-Petersen John K A Alderson 0-1 26 Open
2 2024-02-23 2nd Cambridge Int Open Cambridge ENG 8.46 John K A Alderson Nina Pert 0-1 43 Open
3 2024-02-23 2nd Cambridge Int Open Cambridge ENG 7.44 Norman A Hutchinson John K A Alderson 1-0 59 Open
4 2024-02-22 2nd Cambridge Int Open Cambridge ENG 6.51 John K A Alderson Anna Blauhut 1-0 39 Open
5 2024-02-21 2nd Cambridge Int Open Cambridge ENG 5.52 Paul H Kenning John K A Alderson 1/2-1/2 20 Open
6 2024-02-21 2nd Cambridge Int Open Cambridge ENG 4.49 Lewis Martin John K A Alderson 1-0 26 Open
7 2024-02-20 2nd Cambridge Int Open Cambridge ENG 3.38 John K A Alderson Nina Hagesather 0-1 49 Open
8 2018-03-14 Reykjavik Open 2018 Reykjavik ISL 9.75 John K A Alderson Marcel Marentini 0-1 33 Open
9 2018-03-13 Reykjavik Open 2018 Reykjavik ISL 8.79 Gunnar Runarsson John K A Alderson 1/2-1/2 30 Open
10 2018-03-12 Reykjavik Open 2018 Reykjavik ISL 7.95 John K A Alderson Petur Palmi Hardarson 1/2-1/2 44 Open
11 2018-03-11 Reykjavik Open 2018 Reykjavik ISL 6.59 Lara Janzelj John K A Alderson 1-0 37 Open
12 2018-03-10 Reykjavik Open 2018 Reykjavik ISL 5.98 John K A Alderson Baldur Heidar Sigurdsson 1-0 51 Open
13 2018-03-08 Reykjavik Open 2018 Reykjavik ISL 4.77 John K A Alderson Mikkel Manosri Jacobsen 0-1 30 Open
14 2018-03-07 Reykjavik Open 2018 Reykjavik ISL 3.64 Franck Diaz John K A Alderson 1-0 40 Open
15 2018-03-07 Reykjavik Open 2018 Reykjavik ISL 2.69 John K A Alderson John A Kvamme 1/2-1/2 40 Open
16 2018-03-06 Reykjavik Open 2018 Reykjavik ISL 1.104 Flovin Matras Tummasarson John K A Alderson 0-1 48 Open
17 2016-12-16 London Classic Open 2016 London ENG 9.79 John K A Alderson Peter Korning 0-1 66 Open
18 2016-12-15 London Classic Open 2016 London ENG 8.91 Reinhard Kuntner John K A Alderson 0-1 31 Open
19 2016-12-12 London Classic Open 2016 London ENG 5.108 John K A Alderson Terje Lie 1-0 52 Open
20 2016-12-11 London Classic Open 2016 London ENG 4.115 Levi Dror John K A Alderson 1/2-1/2 34 Open
21 2016-12-10 London Classic Open 2016 London ENG 3.115 John K A Alderson Nishchal Thatte 0-1 56 Open
22 2016-12-09 London Classic Open 2016 London ENG 1.77 Edmund C Player John K A Alderson 1-0 48 Open
23 2014-12-14 London Classic Open 2014 London ENG 9.74 John K A Alderson Koby Kalavannan 1/2-1/2 30 Open
24 2014-12-14 London Classic Open 2014 London ENG 8.71 Ronnie Cohen John K A Alderson 1/2-1/2 18 Open
25 2014-12-13 London Classic Open 2014 London ENG 7.7 John K A Alderson Stanislaw Praczukowski 0-1 49 Open
26 2014-12-13 London Classic Open 2014 London ENG 6.55 David J Coleman John K A Alderson 1-0 57 Open
27 2014-12-12 London Classic Open 2014 London ENG 5.77 David J White John K A Alderson 0-1 27 Open
28 2014-12-11 London Classic Open 2014 London ENG 4.86 John K A Alderson Hajane Anbukumar 1-0 50 Open
29 2014-12-09 London Classic Open 2014 London ENG 2.85 Raymond C Cannon John K A Alderson 1-0 38 Open
30 2014-12-08 London Classic Open 2014 London ENG 1.9 John K A Alderson Bartlomiej Rozycki 0-1 45 Open

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