Player profile

Day, Jonathan A

Standard: 1900 Rapid: 1731 Blitz: 1864 (last updated 2026-10-02)

FIDE ID: 429180 (view FIDE profile)

Federation: ENG Sex: M Birth Year: 1992 Age: 34

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

Games: 6 Wins: 3 (50%) Draws: 0 (0%) Losses: 3 (50%)

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Dossier

6 of 6 games analyzed.

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Openings

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As White 0 games 0W 0D 0L

No games as White in this range.

As Black 1 game 0W 0D 1L

Semi-Slav Defense 1 game 0W 0D 1L

Main Line 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Blunders Top 4 of 17

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

2023.06.17 · 34... f4 (−31.8% win chance) 1-0

Jonathan A Day

Tim R Spanton

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2023.06.18 · 27... Rc7 (−20.4% win chance) 1-0

Jonathan A Day

Sam Cotterill

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2023.06.17 · 11. Qf3+ (−20.1% win chance) 1-0

Steven Potter

Jonathan A Day

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2023.06.17 · 29... g4 (−15.4% win chance) 1-0

Jonathan A Day

Tim R Spanton

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Games Showing all 6 games

Date	Event	Round	Color	Opponent	Result	Accuracy %	First moves
2024.08.03	13. SPLIT OPEN: ŠAHOVSKI FESTIVAL 2024	1.11		2024.08.03 Kostov, Deyan Samuil (30909015) (2298)	0	92.00%	1. d4 d5 2. c4 c6 3. Nf3 Nf6
2023.06.18	Round 5: Jonathan A Day - Dominic V Gibbs			2023.06.18 Dominic V Gibbs	1	94.60%	1. e4 e6 2. d4 d5 3. exd5 exd5
2023.06.18	Round 4: Sam Cotterill - Jonathan A Day			2023.06.18 Sam Cotterill	0	87.60%	1. e4 c6 2. Nf3 d5 3. Nc3 d4
2023.06.17	Round 3: Jonathan A Day - Steven Potter			2023.06.17 Steven Potter	1	92.90%	1. e4 e6 2. d4 b6 3. c4 Bb7
2023.06.17	Round 2: Tim R Spanton - Jonathan A Day			2023.06.17 Tim R Spanton	0	84.00%	1. e4 c6 2. d4 d5 3. Nc3 dxe4
2023.06.16	Round 1: Jonathan A Day - Nasarullah Sheikh			2023.06.16 Nasarullah Sheikh	1	96.50%	1. e4 c5 2. Nf3 e6 3. d4 cxd4