Janssen, Ruud

NED NED·Born 1979·FIDE #1004816·879 Games

Classical2462879 Games

Rapid—0 Games

Blitz24550 Games

Play against Janssen, Ruud's Twin

PRO

Uses their openings, level & style

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

Ready to play

879 games analyzed

Statistics

Total

879

Wins

399

Draws

260

Losses

220

45%30%25%

Play Style

What you need to know before facing them

Elite accuracy: 92.3% average

Low resilience (26%): Doesn't save lost positions

Very consistent (91%)

Very precise: only 0.2 blunders/game

Dominates 1.Nf3 ♔ (69% in 124 games)

Deep Analysis

Stockfish 18 · Classical games · 37 analyzed

Accuracy by phase

Opening

96.0%

Middlegame

93.2%

Endgame

95.0%

Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?

+6%

Winning (+2 or more)

95%14g

Equal position

94%9g

Losing (-2 or more)

89%14g

Performance under pressure

Problematic Pieces — Which pieces cause most errors?

26%

9 errors

23%

8 errors

17%

6 errors

14%

5 errors

11%

4 errors

3 errors

Critical Moment — When does the first serious error occur?

Move 54 average

50%

1-15

16-25

26-35

36-45

46+

50% of blunders occur between move 26-35. Keep tension until that moment.

Error Heatmap — Where do most errors occur?

Few

Many

Errors mapped

Hotspot zone

d5 / d7

Critical squares

3 err

2 err

d5/d7 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines

No significant weaknesses detected as White

No significant weaknesses detected as Black

Strengths

— avoid these lines

White78.9%Wins

King's Indian — 1.d4 Nf6 2.c4 g619 Games · last played 4 years ago

White68.8%Wins

English: Anglo-Indian — 1.c4 Nf6 2.Nc3 g616 Games · last played 9 years ago

Black45.0%Wins

Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e620 Games · last played 8 years ago

Black45.5%Wins

Nimzo-Indian: Huebner — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c511 Games · last played 10 years ago

Critical Blunders

9 errors · Stockfish

#77d5??Endgamevs LevinOTB · 2024

#34Na5??Tacticsvs ZwirsOTB · 2024

#32g6??Tacticsvs BraunOTB · 2022

#82Rf1??Endgamevs LaiOTB · 2021

#31Bxd5??Tacticsvs KuipersOTB · 2021

#13Qd7??Tacticsvs VerstraetenOTB · 2019

#49Rc2??Endgamevs GabuzyanOTB · 2019

#100Kg4??Endgamevs KovalenkoOTB · 2019

#35Bf4??Tacticsvs NikolicOTB · 2019

Recent Games

879 Games

Levin, Felix(2427)

TCh-BEL 2023-24 · 21 Apr 2024

1-0

Zwirs, Nico(2480)

TCh-BEL 2023-24 · 24 Mar 2024

0-1

Dgebuadze, Alexandre(2443)

TCh-BEL 2023-24 · 10 Mar 2024

½-½

Beukema, Jasper(2356)

TCh-BEL 2023-24 · 18 Feb 2024

½-½

Bezemer, Arno(2209)

TCh-BEL 2023-24 · 3 Dec 2023

0-1

Roebers, Eline(2369)

Dutch League 2021-22 · 21 May 2022

½-½

Endgame Statistics

PRO15 endgame categories analyzed

Endgame Statistics

Reveal weaknesses →

15 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

446 Games

53%27%20%

Move	Games	%
1.c4	169	66%
1.Nf3	124	69%
1.d4	115	67%
1.e4	36	60%
1.Nc3 Strong	1	100%
1.g3 Weak	1	0%

MoveGamesPerformance%

1.c4

169

66%

1.Nf3

124

69%

1.d4

115

67%

1.e4

60%

1.Nc3Strong

100%

1.g3Weak