Sprenger, Jan Michael, Dr.

GER GER·Born 1982·FIDE #4646258·823 Games

FIDE OTB · #4646258 · 823 Games

Classical2468823 g Games

Rapid—0 g Games

Blitz—0 g Games

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823 games analyzed

Statistics

Total

823

Wins

284

Draws

367

Losses

172

35%45%21%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 92.0% average

Plays 5.1% better with black

Low resilience (32%): Doesn't save lost positions

Very precise: only 0.2 blunders/game

Dominates 1.d4 ♔ (62% in 17 games)

Vulnerable to 1.c4 ♚ (only 47%)

Deep Analysis

Stockfish 18 · Classical games · 41 analyzed

Accuracy by phase

Opening

96.8%

Middlegame

93.6%

Endgame

95.1%

Clutch Factor

+5%

Winning (+2)Winning (+2)

95%7g

EqualEqual position

93%17g

Losing (−2)Losing (−2)

90%17g

Accuracy under pressure

Problematic Pieces — which cause most errors?

27%

8 err

27%

8 err

23%

7 err

13%

4 err

2 err

1 err

Critical Moment

Move 41 avg

1-15

16-25

50%

26-35

25%

36-45

25%

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

a3 / c3

Critical squares

2 err

a3/c3 account for most of the errors. Force decisions in those zones.

Openings

823 GamesBased on 823 player games

Weaknesses

— exploit these— exploit these lines

No significant weaknesses detected as white

asblack53.3%Losses

King's Indian — 1.d4 Nf6 2.c4 g6

15 Games · last played 24 years agoPlay this line

Strengths

— avoid these— avoid these lines

aswhite62.5%Wins

Sicilian: Classical — 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc616 Games · last played 8 years ago

16 Games · last played 8 years ago

No consistent strengths detected as black

Critical Blunders

7 errors · Stockfish

#35Qxa7??Tacticsvs HeimannOTB · 2022

#34Qa1??Tacticsvs BrkicOTB · 2021

#48Rxc4??Endgamevs RapportOTB · 2020

#59Ke4??Endgamevs FedorchukOTB · 2020

#23Bf5??Tacticsvs HouOTB · 2019

#33Rc2??Tacticsvs GalinskyOTB · 2019

#39Qe2??Tacticsvs ShirovOTB · 2006

Recent Games

823 Games

Draw

Warmerdam, Max(2614)

Bundesliga 2021-22 · 15 May 2022

½-½

Loss

Anton Guijarro, David(2691)

Bundesliga 2021-22 · 14 May 2022

0-1

Loss

Heimann, Andreas(2575)

Bundesliga 2021-22 · 1 May 2022

0-1

Loss

Movsesian, Sergei(2599)

Bundesliga 2021-22 · 30 Apr 2022

1-0

Draw

Borhy, Marcell(2374)

29. TCh-CRO Div 1b 2021 · 3 Oct 2021

½-½

Draw

Sedlak, Nikola(2503)

29. TCh-CRO Div 1b 2021 · 29 Sept 2021

½-½

Endgame Statistics

PRO21 endgames (53.8%)

Strongest

Weakest

Rook vs Rook

Reaches Endgame

53.8%

21 / 39

B vs N Pref

0% · 0%

0 / 1

PiecesTypeWin %Games

Rook + Minor

7.7%13

Rook vs Rook

0%7

Rook+Bishop vs Rook+Knight

0%6

Rook + Bishop Pair

20%5

Rook + Equal Minors

0%5

Other Endgame

0%4

Rook + Minor7.7%13

Rook vs Rook0%7

Rook+Bishop vs Rook+Knight0%6

Rook + Bishop Pair20%5

Rook + Equal Minors0%5

Other Endgame0%4

Weakest: Rook vs Rook 0%Show all 19 types

Unlock Endgame Statistics

19 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

420 Games

40%41%19%

Move	Games	%
1.e4	392	61%
1.d4	17	62%
1.c4	6	42%
1.Nf3Strong	5	80%

MoveGamesPerformance%

1.e4

392

61%

1.d4

62%

1.c4

42%

1.Nf3Strong

80%