GM
Janssen, Ruud
NED·Born 1979·FIDE #1004816·879 Games
NED Classical2462879 Games
Rapid—0 Games
Blitz24550 Games
Statistics
879
Total
399
Wins
260
Draws
220
Losses
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
Opening96.0%
Middlegame93.2%
Endgame95.0%
Clutch Factor
Performance under pressure
Winning (+2 or more)95%
14 Games
Equal position94%
9 Games
Losing (-2 or more)89%
14 Games
Problematic Pieces
Which pieces cause most errors?
♖
26%
9 errors
♗
23%
8 errors
♞
17%
6 errors
♙
14%
5 errors
♔
11%
4 errors
♕
9%
3 errors
Critical Moment
When does the first serious error occur?
Move 54average
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?
1
3
2
2
3
1
1
2
1
2
abcdefgh
Many
Few
Critical squares
d53 err
d73 err
a52 err
c22 err
f42 err
d5/d7 concentrate most errors. Force decisions in those zones.
Recent Games
W
Levin, Felix2427
TCh-BEL 2023-24 · 21 Apr 2024
L
Zwirs, Nico2480
TCh-BEL 2023-24 · 24 Mar 2024
D
Dgebuadze, Alexandre2443
TCh-BEL 2023-24 · 10 Mar 2024
D
Beukema, Jasper2356
TCh-BEL 2023-24 · 18 Feb 2024
W
Bezemer, Arno2209
TCh-BEL 2023-24 · 3 Dec 2023
D
Roebers, Eline2369
Dutch League 2021-22 · 21 May 2022
Openings
Based on player games
Weaknesses
EXPLOIT!White
No significant weaknesses detected as White
Black
No significant weaknesses detected as Black
Strengths
AVOIDWhite
King's Indian
78.9%19 Games·Wins
1.d4 Nf6 2.c4 g6
English: Anglo-Indian
68.8%16 Games·Wins
1.c4 Nf6 2.Nc3 g6
Black
Sicilian: e6 Systems
45.0%20 Games·Wins
1.e4 c5 2.Nf3 e6
Nimzo-Indian: Huebner
45.5%11 Games·Wins
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5
Critical Blunders
Tactical errors analyzed with Stockfish
9 errors
▶
#77d5??
Endgame
vs Levin
OTB·2024
▶
#34Na5??
Tactics
vs Zwirs
OTB·2024
▶
#32g6??
Tactics
vs Braun
OTB·2022
▶
#82Rf1??
Endgame
vs Lai
OTB·2021
▶
#31Bxd5??
Tactics
vs Kuipers
OTB·2021
▶
#13Qd7??
Tactics
vs Verstraeten
OTB·2019
▶
#49Rc2??
Endgame
vs Gabuzyan
OTB·2019
▶
#100Kg4??
Endgame
vs Kovalenko
OTB·2019
▶
#35Bf4??
Tactics
vs Nikolic
OTB·2019
Endgame Statistics
15 endgame categories analyzed — discover where they collapse under pressure
Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO2024
2023
2022
2021
2020
2019
PRO
8
76
5
4
3
2
1a
b
c
d
efgh446 Games
53%27%20%
1.c4
66%169
1.Nf3
69%124
1.d4
67%115
1.e4
60%36
1.Nc3
100%1
1.g3
0%1