Scouting report: Jonathan F Parker (GM, ENG)

567 over-the-board games in the Chess Stalker database (547 classical, 13 rapid, 7 blitz): 36% wins, 46% draws, 17% losses. FIDE rating 2498 standard, 2468 rapid, 2500 blitz. 13 games analyzed with Stockfish: 90% accuracy, 0.15 blunders per game.

  • Opening repertoire of Jonathan F Parker as White and Black, with results per line — free.
  • Weaknesses and blunder patterns, evaluated with Stockfish — free.
  • Recent over-the-board games and endgame statistics.
  • Twin Bot: a sparring bot that imitates Jonathan F Parker's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/400580 — no account needed.

Jonathan F Parker

TitleGrandmasterFederationUnited KingdomBorn1976FIDE ID400580

Classical2498
Rapid2468
Blitz2500
Games567
W · D · L36 / 46 / 17
Peak2570

Rating history

2440
2480
2520
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Oct 2023Nov 2026
Classical2498Rapid2468Blitz2500no games played
Accuracy by phase
96.6%Opening91.5%Middlegame94.2%Endgame
Clutch factor
Insufficient data

Play style

Elite accuracy: 90.4% average
Plays 8.4% better with black
Inconsistent (60%): Can have off days
Very precise: only 0.1 blunders/game
Dominates 1.d4 as ♔ (63% in 255 games)

Recent games

Gourlay, Iain(2276)

4NCL Division 2 2026-27 · 11 Oct 2026

0–1
Vaidyanathan, Adithya(2240)

4NCL Division 2 2026-27 · 10 Oct 2026

1–0
Kovchan, Alexander(2445)

4NCL 2025-26 · 4 May 2026

½–½
Ansell, Simon T(2303)

Round 8: Ansell, Simon T - Parke... · 22 Mar 2026

½–½
Jackson, James P(2373)

Round 7: Parker, Jonathan F - Ja... · 21 Mar 2026

0–1

Play against Parker's Twin

Their real openings, level & style

Based on 567 games

Openings

292 games as White · scores 63.2%

Weaknesses

where they slip as ♔ White

No significant weaknesses detected as white

Strengths

what holds up for them as ♔ White
Benoni1.d4 ♞f6 2.c4 c514 games, last played 12 months ago64.3%wins

By family

open a family to see its lines
PRO
567 games in scope
LineGamesScorevs 63.2%
4462.5%—
4372.1%+8.9 pts
3558.6%−4.6 pts
2671.2%+8.0 pts
2356.5%−6.7 pts
2070.0%+6.8 pts
1747.1%—
1546.7%—

Mistakes

Problematic pieces
Insufficient data
Critical moment
Insufficient data
Error heatmap · Critical squares
Insufficient data

Critical blunders

Tactical errors analyzed with Stockfish

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Endgame statistics

Repertoire

PRO
567 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
292 games43%W41%D16%L
Move
1. d4
2552w
43%40%17
63%
1. ♞f3
147m
43%50%
68%
1. e4
1316y
46%38%16
65%
1. f4
421y
25%75%
63%
1. c4
4Nov 2000
25%25%50%
38%
1. g3
2Aug 1995
100%
100%

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