IM
Buckels, Valentin
GER·Born 2001·FIDE #12942766·832 Games
GER Classical2430803 Games
Rapid243514 Games
Blitz242615 Games
Statistics
832
Total
299
Wins
291
Draws
242
Losses
36%35%29%
Play Style
What you need to know before facing them
Elite accuracy: 93.5% average
Solid conversion: 89%
Very consistent (91%)
Very precise: only 0.1 blunders/game
Dominates 1.c4 ♔ (68% in 14 games)
Vulnerable to 1.c4 ♚ (only 40%)
Deep Analysis
Stockfish 18 · Classical games · 270 analyzed
Accuracy by phase
Opening96.4%
Middlegame93.8%
Endgame95.3%
Clutch Factor
Performance under pressure
Winning (+2 or more)94%
101 Games
Equal position95%
99 Games
Losing (-2 or more)91%
70 Games
Problematic Pieces
Which pieces cause most errors?
♖
23%
55 errors
♙
21%
49 errors
♕
16%
38 errors
♔
15%
36 errors
♗
13%
31 errors
♞
11%
27 errors
Critical Moment
When does the first serious error occur?
Move 43average
1-15
16-25
26-35
36-45
46+
38% of blunders occur between move 26-35. Keep tension until that moment.
Error Heatmap
Where do most errors occur?
7
10
7
7
6
7
10
6
10
6
abcdefgh
Many
Few
Critical squares
d410 err
f310 err
f810 err
d67 err
e87 err
d4/f3 concentrate most errors. Force decisions in those zones.
Recent Games
D
Engel, Luis2584
grenke Chess Open 2026 · 6 Apr 2026
L
Brunke, Pascal2266
grenke Chess Open 2026 · 6 Apr 2026
L
Horvath, Dominik2541
grenke Chess Open 2026 · 5 Apr 2026
W
Tschernatsch, Johannes2282
grenke Chess Open 2026 · 5 Apr 2026
W
Stotyn, Fabian2179
grenke Chess Open 2026 · 4 Apr 2026
D
Bauer,Ch2562
grenke Chess Open 2026 · 4 Apr 2026
Openings
Based on player games
Weaknesses
EXPLOIT!White
Nimzo-Indian: Rubinstein
62.5%8 GamesLow sample·Loses
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3
Black
Nimzo-Indian: Classical
61.5%13 Games·Loses
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2
Strengths
AVOIDWhite
Slav Defense
57.1%28 Games·Wins
1.d4 d5 2.c4 c6
Queen's Gambit Declined
56.0%25 Games·Wins
1.d4 d5 2.c4 e6
Black
No consistent strengths detected as Black
Critical Blunders
Tactical errors analyzed with Stockfish
10 errors
▶
#61h5??
Endgamevs Warmerdam
OTB·2025
▶
#50Kg5??
Endgamevs Vardanyan
Blitz·2025
▶
#16Qc4??
Tacticsvs Herrmann
Blitz·2025
▶
#28Rd5??
Tacticsvs Noeldner
Blitz·2025
▶
#49Nd4??
Endgamevs Lymar
Blitz·2025
▶
#18Bf5??
Tacticsvs Petrovskiy
Rapid·2025
▶
#40Qd7??
Tacticsvs Van Roon
OTB·2025
▶
#33Qf6??
Tacticsvs Schulze
OTB·2025
▶
#68Rf8??
Endgamevs Amin
OTB·2025
▶
#30Ba6??
Tacticsvs Schroeder
OTB·2024
Endgame Statistics
23 endgame categories analyzed — discover where they collapse under pressure
Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO2026
2025
2024
2023
2022
2021
PRO
8
76
5
4
3
2
1a
b
c
d
efgh410 Games
40%34%26%
1.d4
57%337
1.Nf3
63%56
1.c4
68%14
1.e4
0%3