Koch, Jean-Rene

FRA FRA·Born 1970·FIDE #600148·742 Games

FIDE OTB · #600148 · 742 Games

Classical2430742 g Games

Rapid24340 g Games

Blitz—0 g Games

Play against Koch's Twin

PRO

Uses their openings, level & style

Practice against a bot that uses their real openings and playing style

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742 games analyzed

Statistics

Total

742

Wins

268

Draws

279

Losses

195

36%38%26%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 93.5% average

Plays 2.5% better with black

Very consistent (92%)

Very precise: only 0.1 blunders/game

Dominates 1.d4 ♔ (71% in 24 games)

Vulnerable to 1.d4 ♚ (only 44%)

Deep Analysis

Stockfish 18 · Classical games · 26 analyzed

Accuracy by phase

Opening

95.7%

Middlegame

93.9%

Endgame

94.3%

Clutch Factor

+3%

Winning (+2)Winning (+2)

94%5g

EqualEqual position

95%10g

Losing (−2)Losing (−2)

91%11g

Accuracy under pressure

Problematic Pieces — which cause most errors?

29%

8 err

25%

7 err

21%

6 err

14%

4 err

2 err

1 err

Critical Moment

Move 35 avg

1-15

16-25

50%

26-35

50%

36-45

46+

50% of blunders after move 26-35 — keep the tension until then.of blunders occur in moves 26-35. Keep the tension until that moment.

Error Heatmap — where do errors occur?

Few

Many

Errors mapped

Hotspot zone

c3 / b1

Critical squares

3 err

2 err

c3/b1 account for most of the errors. Force decisions in those zones.

Openings

742 GamesBased on 742 player games

Weaknesses

— exploit these— exploit these lines

No significant weaknesses detected as white

No significant weaknesses detected as black

Strengths

— avoid these— avoid these lines

aswhite60.0%Wins

Sicilian: Taimanov — 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc610 Games · last played 12 years ago

10 Games · last played 12 years ago

asblack46.7%Wins

Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e615 Games · last played 4 years ago

15 Games · last played 4 years ago

Critical Blunders

3 errors · Stockfish

#35g6??Tacticsvs LoiseauOTB · 2022

#27Rg1??Tacticsvs GeenenOTB · 2019

#50d6d3??Endgamevs KasparovOTB

Recent Games

742 Games

Loss

Eugene, Floryan(2373)

TCh-FRA Top 16 Basse 2022 · 19 Jun 2022

0-1

Win

Roubert, Emile(2027)

TCh-FRA Top 16 Basse 2022 · 18 Jun 2022

1-0

Win

Rouler, Charly(2346)

TCh-FRA Top 16 Basse 2022 · 17 Jun 2022

1-0

Draw

Maurizzi, Marc`Andria(2490)

TCh-FRA Top 16 GpA 2022 · 15 Jun 2022

½-½

Draw

Maurizzi,Marc Andria(2490)

TCh-FRA Top 16 GpA 2022 · 15 Jun 2022

½-½

Loss

Flom, Gabriel(2428)

TCh-FRA Top 16 GpA 2022 · 14 Jun 2022

1-0

Endgame Statistics

PRO12 endgames (46.2%)

Strongest

Weakest

Reaches Endgame

46.2%

12 / 26

B vs N Pref

0% · 0%

0 / 0

PiecesTypeWin %Games

Rook + Minor

0%8

Rook vs Rook

0%4

Rook + Equal Minors

50%4

Rook + Bishop Pair

33.3%3

Rook+Bishop vs Rook+Knight

0%2

Double Rook

0%2

Rook + Minor0%8

Rook vs Rook0%4

Rook + Equal Minors50%4

Rook + Bishop Pair33.3%3

Rook+Bishop vs Rook+Knight0%2

Double Rook0%2

Weakest: 0%Show all 9 types

Unlock Endgame Statistics

9 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

399 Games

40%35%25%

Move	Games	%
1.e4	330	57%
1.c4	43	52%
1.d4Strong	24	71%
1.Nf3Strong	2	75%

MoveGamesPerformance%

1.e4

330

57%

1.c4

52%

1.d4Strong

71%

1.Nf3Strong

75%