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Player profile

Middaugh, Jon S

Standard: 1833 Rapid: 0 Blitz: 1851 (last updated 2026-11-02)
FIDE ID: 2087332 (view FIDE profile)
Federation: USA Sex: M Birth Year: 1968 Age: 58
Title: — Women's title: — Other title: — FOA title: —
Games: 13 Wins: 4 (31%) Draws: 3 (23%) Losses: 6 (46%)
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Dossier

13 of 13 games analyzed.

Accuracy: 86.9%
Opened d4: 5/6Opened e4: 1/6
Castled kingside: 11Same-side castling: 8Opposite-side castling: 3Castled queenside: 1Did not castle: 1
Played on the kingside: 4Fianchettoed kingside: 4Played on the queenside: 3Fianchettoed queenside: 2Played in the center: 2
Isolated pawn: 12Initiated exchanges: 10Space advantage: 9Sacrificed material: 8Kept the bishop pair: 7Missed tactics: 7Active pieces: 5Backward pawn: 4Avoided exchanges: 2Played gambits: 1
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Openings

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As White 6 games 3W 1D 2L
Queen's Gambit Declined 2 games 1W 0D 1L
Three Knights Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Marshall Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Sicilian Defense 1 game 1W 0D 0L
O'Kelly Variation 1 game 1W 0D 0L
Réti System 1 game 1W 0D 0L
Queen's Indian Defense 1 game 0W 0D 1L
Kasparov-Petrosian Variation 1 game 0W 0D 1L
Andersson Variation 1 game 0W 0D 1L
Queen's Pawn Game 1 game 1W 0D 0L
Symmetrical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Benko Gambit Accepted 1 game 0W 1D 0L
Pawn Return Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
As Black 7 games 1W 2D 4L
French Defense 3 games 1W 1D 1L
Advance Variation 1 game 1W 0D 0L
Milner-Barry Gambit, Main Line 1 game 1W 0D 0L
Winawer Variation 1 game 0W 0D 1L
Portisch-Hook Variation 1 game 0W 0D 1L
Two Knights Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Benko Gambit Declined 1 game 0W 0D 1L
Main Line 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Gambit Declined 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
Positional Variation 1 game 0W 1D 0L
English Opening 1 game 0W 0D 1L
Anglo-Indian Defense 1 game 0W 0D 1L
Queen's Knight Variation 1 game 0W 0D 1L
Indian Defense 1 game 0W 0D 1L
Accelerated London System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 87

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

2024.10.24 · 51... Nh7 (−60.5% win chance) 1-0
Middaugh, Jon S
Pirs, Matjaz
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2026.10.13 · 37. Qxg4 (−34.7% win chance) 1-0
Ivarsson, Anders
Middaugh, Jon S
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2026.10.15 · 46. Rf2 (−29.4% win chance) 0-1
Circenis, Kaspars
Middaugh, Jon S
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2026.10.15 · 25... Rbb7 (−28.6% win chance) 1-0
Middaugh, Jon S
Cheung, Jan
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View blunders & mistakes
Games Showing all 13 games
Date Event Round Color Opponent Result Accuracy % First moves