Mason, Donald J

FIDE ID 405116

Games

Wins

Draws

Losses

49%

Score

Peak rating2166

Latest rating1940

First seenOct 4, 2021

Last seenMar 15, 2026

Recent games

Date	White	Result	Black	Event	Opening
Mar 15, 2026	Watkinson	0–1	Mason	Round 11: Watkinson, Phil K - Mason, Donald J	Tarrasch Defense: Two Knights Variation
Mar 15, 2026	Etchells	1–0	Mason	Round 10: Etchells, Michael - Mason, Donald J	French Defense: Tarrasch Variation, Open System, Euwe-Keres Line
Mar 15, 2026	Mason	0–1	Singh	Round 9: Mason, Donald J - Singh, Adamjeet	French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation
Mar 15, 2026	Nasiri	1–0	Mason	Round 8: Nasiri, Fahim - Mason, Donald J	French Defense: Winawer Variation, Bogoljubow Variation
Mar 15, 2026	Mason	½–½	Swiatkowski	Round 7: Mason, Donald J - Swiatkowski, Aram	Caro-Kann Defense: Tartakower Variation
Mar 14, 2026	Nawalaniec	1–0	Mason	Round 6: Nawalaniec, Adam - Mason, Donald J	French Defense: Tarrasch Variation, Open System, Euwe-Keres Line
Mar 14, 2026	Mason	1–0	Muhunthan	Round 5: Mason, Donald J - Muhunthan, Charukgan	Sicilian Defense: Kan Variation, Wing Attack, Fianchetto Variation
Mar 14, 2026	Jackson	1–0	Mason	Round 4: Jackson, James P - Mason, Donald J	French Defense: Winawer Variation, Poisoned Pawn Variation Declined
Mar 14, 2026	Mason	1–0	Riddoch	Round 3: Mason, Donald J - Riddoch, Alan	Sicilian Defense: Nyezhmetdinov-Rossolimo Attack
Mar 14, 2026	Quaite	1–0	Mason	Round 2: Quaite, Toby - Mason, Donald J	King's Indian Attack: Symmetrical Defense
Mar 14, 2026	Mason	1–0	Aggarwal	Round 1: Mason, Donald J - Aggarwal, Aashi	Caro-Kann Defense: Tartakower Variation
Jul 20, 2025	Mason	½–½	Verma	ECF English Open Championship 2025	Sicilian Defense: Dragon Variation, Yugoslav Attack, Old Line
Jul 20, 2025	Mason	1–0	Gibson	ECF English Open Championship 2025	Queen's Gambit Accepted: Classical Defense, Russian Gambit
Jul 19, 2025	Salmons	1–0	Mason	ECF English Open Championship 2025	English Opening: King's English Variation, Reversed Closed Sicilian
Jul 19, 2025	Mason	1–0	Keerthi Kumar	ECF English Open Championship 2025	Alekhine Defense: Exchange Variation, Voronezh Variation
Jul 18, 2025	Badacsonyi	1–0	Mason	ECF English Open Championship 2025	King's Indian Defense: Normal Variation, Rare Defenses
Jul 18, 2025	Mason	1–0	Ellson	ECF English Open Championship 2025	Queen's Gambit Declined: Modern Variation, Normal Line
Jul 18, 2025	Emms	1–0	Mason	ECF English Open Championship 2025	Italian Game: Two Knights Defense, Modern Bishop's Opening
Feb 15, 2025	Pein	½–½	Mason	Round 5: Pein, Jonathan - Mason, Donald J	King's Indian Attack: Symmetrical Defense
Jan 26, 2025	Mason	½–½	Mihalik	Round 4: Mason, Donald J - Mihalik, Agoston	Sicilian Defense: Delayed Alapin Variation, with e6
Jan 25, 2025	Hobson	1–0	Mason	Round 3: Hobson, Kenneth - Mason, Donald J	Sicilian Defense: Kalashnikov Variation
Jul 31, 2024	Mason	1–0	Baer	Round 3: Mason, Donald J - Baer, Bruce L	Modern Defense: Standard Line
Jul 29, 2024	Mason	½–½	Strugar	Round 1: Mason, Donald J - Strugar, Ioan-Euzeb	English Opening: Anglo-Dutch Defense
Jun 23, 2024	Mason	1–0	Alldritt	Round 7: Mason, Donald J - Alldritt, Nigel R E	French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation
Jun 22, 2024	Sachdeva	1–0	Mason	Round 6: Sachdeva, Ronit - Mason, Donald J	Grünfeld Defense: Exchange Variation
Jun 22, 2024	Mason	½–½	Yu	Round 5: Mason, Donald J - Yu, Rock	Nimzo-Indian Defense: Sämisch Variation
Jun 21, 2024	He	½–½	Mason	Round 4: He, Tom Junde - Mason, Donald J	King's Indian Defense: Normal Variation, Rare Defenses
Jun 21, 2024	Mason	0–1	Okhai	Round 3: Mason, Donald J - Okhai, Shabir	Italian Game: Classical Variation, Giuoco Pianissimo
Jun 20, 2024	Damodaran	0–1	Mason	Round 2: Damodaran, Patrick - Mason, Donald J	Nimzo-Indian Defense: Classical Variation, Noa Variation
Jun 20, 2024	Mason	0–1	Jones	Round 1: Mason, Donald J - Jones, Gawain C B	Four Knights Game: Scotch Variation, Belgrade Gambit
May 28, 2024	Regan	½–½	Mason	Round 7: Regan, Natasha K - Mason, Donald J	English Opening: Anglo-Indian Defense, King's Indian Formation
May 27, 2024	Mason	0–1	Dishman	Round 5: Mason, Donald J - Dishman, Stephen	Queen's Gambit Declined
May 26, 2024	Pitcher	½–½	Mason	Round 4: Pitcher, John - Mason, Donald J	Bishop's Opening: Vienna Hybrid
May 25, 2024	Mason	1–0	Hymer	Round 3: Mason, Donald J - Hymer, Barry	Philidor Defense: Lion Variation
May 25, 2024	Davies	1–0	Mason	Round 2: Davies, Nigel R - Mason, Donald J	Torre Attack: Fianchetto Defense
May 24, 2024	Mason	1–0	Drugan	Round 1: Mason, Donald J - Drugan, Mark A	Italian Game: Classical Variation, Giuoco Pianissimo, with d6
May 4, 2024	Samarakoon	½–½	Mason	Round 9: Samarakoon, Vivash Ransara - Mason, Donald J	Ruy Lopez: Open, Bernstein Variation
Nov 23, 2024	Shearsby	1–0	Mason	Round 1: Shearsby, Jude - Mason, Donald J	Sicilian Defense: Kalashnikov Variation
Aug 2, 2024	Mason	½–½	Henderson	Round 5: Mason, Donald J - Henderson, David	Italian Game: Two Knights Defense, Modern Bishop's Opening
Aug 1, 2024	Zeidler	1–0	Mason	Round 4: Zeidler, Sven P. - Mason, Donald J	Scotch Game: Scotch Gambit, Advance Variation
Jul 30, 2024	Wilson	½–½	Mason	Round 2: Wilson, Matthew R - Mason, Donald J	Sicilian Defense: Nyezhmetdinov-Rossolimo Attack
Apr 10, 2023	Mason	½–½	Dignam	3rd 4NCL Easter Congress: Open	French Defense: Advance Variation, Milner-Barry Gambit, Main Line
Apr 10, 2023	Kothari	0–1	Mason	3rd 4NCL Easter Congress: Open	Sicilian Defense: Löwenthal Variation
Apr 9, 2023	Mason	½–½	Liu	3rd 4NCL Easter Congress: Open	French Defense: Advance Variation, Paulsen Attack
Apr 8, 2023	Cast	0–1	Mason	3rd 4NCL Easter Congress: Open	East Indian Defense
Apr 7, 2023	Mason	0–1	Gordon	3rd 4NCL Easter Congress: Open	English Opening: Four Knights System, Nimzowitsch Variation
Aug 14, 2022	Homer	1–0	Mason	Chessable British Chess Championships: Seniors 50+	Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid
Aug 13, 2022	Mason	½–½	Dubey	Chessable British Chess Championships: Seniors 50+	Bishop's Opening
Aug 11, 2022	Littlejohns	0–1	Mason	Chessable British Chess Championships: Seniors 50+	Sicilian Defense: Alapin Variation, Smith-Morra Declined
Aug 10, 2022	Kirby	½–½	Mason	Chessable British Chess Championships: Seniors 50+	King's Indian Defense: Normal Variation, Rare Defenses
Aug 9, 2022	Mason	*	Baer	Chessable British Chess Championships: Seniors 50+	Modern Defense: Standard Defense
Aug 8, 2022	Mueller	0–1	Mason	Chessable British Chess Championships: Seniors 50+	Rapport-Jobava System
Jun 25, 2022	Mason	½–½	Bates	4NCL Main League 1-2	Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation
May 1, 2022	Mason	1–0	Blake	4NCL Main League 1-2	King's Gambit Accepted: Schallopp Defense
Apr 18, 2022	Mason	0–1	Boswell	2nd Easter 4NCL Congress	Sicilian Defense: Taimanov Variation, Bastrikov Variation
Apr 18, 2022	Wilks	1–0	Mason	2nd Easter 4NCL Congress	Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation
Apr 17, 2022	Mason	1–0	Ireland	2nd Easter 4NCL Congress	Sicilian Defense: Dragon Variation, Classical Variation, Amsterdam Variation
Apr 17, 2022	Turner	1–0	Mason	2nd Easter 4NCL Congress	King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Advance Line
Apr 16, 2022	Mason	1–0	Stubbs	2nd Easter 4NCL Congress	French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation
Apr 16, 2022	Chen	0–1	Mason	2nd Easter 4NCL Congress	Ruy Lopez: Closed, Worrall Attack, Castling Line
Apr 15, 2022	Mason	½–½	Gordon	2nd Easter 4NCL Congress	Sicilian Defense: Moscow Variation, Main Line
Nov 28, 2021	Baker	*	Mason	4NCL Division 1_2	?
Nov 27, 2021	Mason	0–1	Csonka	4NCL Division 1_2	King's Indian Attack: Sicilian Variation
Oct 10, 2021	Erdogan	0–1	Mason	ECF Over 50 2021	East Indian Defense
Oct 9, 2021	Mason	1–0	Kenning	ECF Over 50 2021	Philidor Defense: Lion Variation
Oct 8, 2021	Duncan	0–1	Mason	ECF Over 50 2021	King's Indian Defense: Orthodox Variation, Positional Defense
Oct 7, 2021	Mason	0–1	Waddington	ECF Over 50 2021	Sicilian Defense: O'Kelly Variation, Venice System
Oct 6, 2021	Robson	1–0	Mason	ECF Over 50 2021	Scotch Game
Oct 5, 2021	Mason	1–0	Lewis	ECF Over 50 2021	Sicilian Defense: Nyezhmetdinov-Rossolimo Attack
Oct 4, 2021	Woods	0–1	Mason	ECF Over 50 2021	Italian Game: Two Knights Defense, Modern Bishop's Opening
—	Mason	0–1	Brusey	Chessable British Chess Championships: Seniors 50+	French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation
—	Mason	1–0	Polanyk	Round 1: Mason, Donald J - Polanyk, John	Sicilian Defense: Moscow Variation
—	Mason	½–½	Giulian	Round 3: Mason, Donald J - Giulian, Rosemary A	Scandinavian Defense: Mieses-Kotroc Variation
—	Mason	1–0	Letton	Round 5: Mason, Donald J - Letton, Rob	Sicilian Defense: Hyperaccelerated Dragon
—	Mason	½–½	Coffey	Round 7: Mason, Donald J - Coffey, Mike J	Italian Game: Classical Variation, Center Holding Variation
—	Arkell	1–0	Mason	Round 2: Arkell, Keith C - Mason, Donald J	King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Exchange Line
—	Cook	½–½	Mason	Round 4: Cook, Philip - Mason, Donald J	Scotch Game: Schmidt Variation
—	Brett	½–½	Mason	Round 6: Brett, Andrew R - Mason, Donald J	King's Indian Defense: Orthodox Variation, Positional Defense