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Mark A Bastow

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WLS · 68 yrs · K=40 · Peak 1918 (Dec 2025)

Best performance: 2096 at 2025 Dyfed Open(Best of 2025)

World #=45143 live, down 1242#43,901 publishedWales #53

OCT26 Rating

1918

Live Rating

1918.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Classical

Loading chart…
Official classical rating by month
ListRatingChange
Oct 202619180
Sep 202619180
Aug 202619180
Jul 202619180
Jun 202619180
May 202619180
Apr 202619180
Mar 202619180
Feb 202619180
Jan 202619180
Dec 20251918+30
Nov 202518880

Classical games since the October list

No rated standard games this rating periodsince the OCT26 list (Oct 1, 2026)

Last playedScore
2025 Dyfed OpenNov 1, 2025 – Nov 2, 2025TPR 20963½/4

The live rating moves only when new rated games are played. Until then it matches the published rating.

Event timeline · Classical

4 events

Events before the current rating period show the performance, not a rating change.

Live events show the rating change; earlier events show the performance rating.

Rated near Mark A Bastow · Classical

World

  1. #=45143Stefan Stader1918.0
  2. #=45143Stefan 1962 Johansson1918.0
  3. #=45143Mark A Bastow1918.0
  4. #=45143Eduardo Riera1918.0
  5. #=45143Nowell Sheinwald1918.0

Wales

  1. #=50Rudy Van Kemenade1920.0
  2. #52Leon Zedlmayer1918.8
  3. #53Mark A Bastow1918.0
  4. #=54Elliott MacNeil1917.0
  5. #=54David McGhee1917.0

Live ratings projected from the OCT26 published list · Not affiliated with FIDE