Player profile

Trevelyan, John

Standard: 1851 Rapid: 0 Blitz: 0 (last updated 2026-11-02)

FIDE ID: 1800922 (view FIDE profile)

Federation: WLS

Federation: WLS Sex: M Birth Year: 1948 Age: 78

Title: — Women's title: — Other title: — FOA title: —

Games: 7 Wins: 5 (71%) Draws: 1 (14%) Losses: 1 (14%)

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Dossier

5 of 7 games analyzed.

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Openings

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As White 3 games 2W 1D 0L

Sicilian Defense 1 game 0W 1D 0L

Alapin Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

King's Indian Defense 1 game 1W 0D 0L

Orthodox Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Scandinavian Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

As Black 4 games 3W 0D 1L

Lion Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Queen's Pawn Game 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Pirc Defense 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Indian Defense 1 game 1W 0D 0L

Wade-Tartakower Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Blunders Top 4 of 16

This player's costliest moves in analyzed games. Can you find the winning move?

2026.04.19 · 12. O-O (−16.9% win chance) 1/2-1/2

Podolski, Edwin

Trevelyan, John

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2026.04.18 · 19... Bxh3 (−16% win chance) 1-0

Trevelyan, John

Ross, David C

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2026.04.19 · 11. Qg3 (−12.8% win chance) 1/2-1/2

Podolski, Edwin

Trevelyan, John

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2026.04.19 · 6... c5 (−12.4% win chance) 0-1

Trevelyan, John

O`toole, Stephen

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Games Showing all 7 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2026.04.20	Round 7: Hogan, Gary - Trevelyan, John	7.3	2026.04.20 Hogan, Gary (343430554) (1825)	1	-	1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7
2026.04.19	Round 6: Trevelyan, John - Podolski, Edwin	6.3	2026.04.19 Podolski, Edwin (343454895) (1849)	½	85.10%	1. e4 c5 2. c3 e5 3. Nf3 Nc6
2026.04.19	Round 5: O`toole, Stephen - Trevelyan, John	5.5	2026.04.19 O`toole, Stephen (343493742) (1771)	1	94.40%	1. d4 d6 2. Bf4 Nf6 3. Nf3 g6
2026.04.18	Round 4: Trevelyan, John - Oliver Rossetti	4.8	2026.04.18 Oliver Rossetti (1659)	1	95.70%	1. e4 d6 2. c4 g6 3. d4 Nf6
2026.04.18	Round 3: Ross, David C - Trevelyan, John	3.3	2026.04.18 Ross, David C (417572) (1787)	0	86.20%	1. e4 d6 2. Nf3 Nf6 3. Nc3 e5
2026.04.18	Round 2: Trevelyan, John - Woolf, Ben	2.3	2026.04.18 Woolf, Ben (343400671) (1827)	1	-	1. e4 d5 2. d3 dxe4 3. dxe4 Qxd1+
2026.04.17	Round 1: Carl Marin-Ortega - John Trevelyan	1.4	2026.04.17 Carl Marin-Ortega (1565)	1	92.40%	1. d4 d6 2. Nf3 Nf6 3. e3 g6