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Player profile

Heinichen R., John Derek

Standard: 1975 Rapid: 1958 Blitz: 1990 (last updated 2026-11-02)
FIDE ID: 3700976 (view FIDE profile)
Federation: PAR Sex: M Birth Year: 1993 Age: 33
Title: CM Women's title: — Other title: — FOA title: —
Games: 15 Wins: 6 (40%) Draws: 5 (33%) Losses: 4 (27%)
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Dossier

15 of 15 games analyzed.

Accuracy: 90.3%
Opened e4: 6/7Opened Nf3: 1/7
Castled kingside: 13Same-side castling: 12Opposite-side castling: 3Castled queenside: 2
Fianchettoed kingside: 7Played on the kingside: 7Played in the center: 5Fianchettoed queenside: 2
Sacrificed material: 12Active pieces: 12Initiated exchanges: 10Kept the bishop pair: 9Isolated pawn: 8Backward pawn: 7Space advantage: 4Missed tactics: 4Avoided exchanges: 3Accepted short draws: 1
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Openings

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As White 7 games 2W 3D 2L
Sicilian Defense 5 games 1W 3D 1L
Alapin Variation 1 game 0W 0D 1L
Barmen Defense, Modern Line 1 game 0W 0D 1L
Closed 1 game 0W 1D 0L
Botvinnik Defense, with Nge2 1 game 0W 1D 0L
Kan Variation 1 game 0W 1D 0L
Modern Variation 1 game 0W 1D 0L
Najdorf Variation 1 game 0W 1D 0L
Adams Attack 1 game 0W 1D 0L
Taimanov Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack, with e6 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Caro-Kann Defense 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
Rubinstein Variation 1 game 1W 0D 0L
As Black 8 games 4W 2D 2L
Sicilian Defense 2 games 2W 0D 0L
Accelerated Dragon 1 game 1W 0D 0L
Modern Bc4 Variation 1 game 1W 0D 0L
Grand Prix Attack 1 game 1W 0D 0L
Schofman Variation 1 game 1W 0D 0L
French Defense 2 games 0W 1D 1L
Exchange Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
London System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
King's Indian Defense 1 game 0W 1D 0L
Fianchetto Variation 1 game 0W 1D 0L
Kavalek Defense 1 game 0W 1D 0L
Bird Opening 1 game 1W 0D 0L
Lasker Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Dutch Defense 1 game 1W 0D 0L
Rubinstein Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 67

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

2023.11.10 · 26... Nxd4 (−50% win chance) 1/2-1/2
John Derek Heinichen R.
Mazen. Fandi
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2023.11.03 · 43. Rxe6 (−39.8% win chance) 1-0
Ali Al Areqi Yaser
John Derek Heinichen R.
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2023.11.03 · 53. Kc6 (−34.5% win chance) 1-0
Ali Al Areqi Yaser
John Derek Heinichen R.
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2025.03.13 · 37... g4 (−30.1% win chance) 1-0
Heinichen R., John Derek
Estay Torreblanca, Oscar
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Games Showing all 15 games
Date Event Round Color Opponent Result Accuracy % First moves