Buhmann, Rainer

GER GER·Born 1981·FIDE #4651340·1,920 Games

Classical25471,849 Games

Rapid261634 Games

Blitz261337 Games

Play against Buhmann, Rainer's Twin

PRO

Uses their openings, level & style

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

Ready to play

1920 games analyzed

Statistics

Total

1920

Wins

842

Draws

811

Losses

267

44%42%14%

Play Style

What you need to know before facing them

Elite accuracy: 93.3% average

Solid conversion: 86%

Very consistent (89%)

Very precise: only 0.1 blunders/game

Dominates 1.c4 ♔ (77% in 11 games)

Deep Analysis

Stockfish 18 · Classical games · 235 analyzed

Accuracy by phase

Opening

96.9%

Middlegame

93.8%

Endgame

94.8%

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)

94%89g

Equal position

95%99g

Losing (-2 or more)

89%47g

Performance under pressure

Problematic Pieces — Which pieces cause most errors?

24%

54 errors

18%

40 errors

18%

39 errors

15%

34 errors

13%

29 errors

11%

25 errors

Critical Moment — When does the first serious error occur?

Move 38 average

58%

25%

17%

1-15

16-25

26-35

36-45

46+

58% 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

c5 / d5

Critical squares

10 err

9 err

8 err

7 err

c5/d5 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

White68.8%Wins

Queen's Gambit Declined — 1.d4 d5 2.c4 e616 Games · last played 2 years ago

White59.0%Wins

Reti vs King's Indian — 1.Nf3 Nf6 2.c4 g678 Games · last played 6 years ago

Black63.6%Wins

Sicilian: 2...Nc6 — 1.e4 c5 2.Nf3 Nc611 Games · last played 7 years ago

Black54.5%Wins

French: Exchange — 1.e4 e6 2.d4 d5 3.exd511 Games · last played 2 years ago

Critical Blunders

10 errors · Stockfish

#31Rxf3??Tacticsvs VykoukOTB · 2024

#32Qd5??Tacticsvs HampelOTB · 2024

#58Qb2+??Endgamevs MaiwaldOTB · 2023

#36b3??Tacticsvs GschielOTB · 2022

#40Qb2??Tacticsvs RichterOTB · 2022

#78Rxf1??Endgamevs PeyrerOTB · 2022

#46Bb5??Endgamevs BacrotOTB · 2021

#27a3??Tacticsvs DonchenkoOTB · 2021

#30Nxb5??Tacticsvs DonchenkoOTB · 2021

#22Nd4??Tacticsvs DonchenkoOTB · 2021

Recent Games

1,920 Games

Antal, Gergely(2539)

TCh-AUT 2025-26 · 19 Apr 2026

1-0

Brkic, Ante(2583)

TCh-AUT 2025-26 · 18 Apr 2026

½-½

Blohberger, Felix(2530)

TCh-AUT 2025-26 · 17 Apr 2026

½-½

Dahl, Christoph(2383)

TCh-AUT 2025-26 · 17 Apr 2026

0-1

Berchtenbreiter, Maximilian(2469)

TCh-AUT 2025-26 · 16 Apr 2026

½-½

Ghosh, Diptayan(2577)

TCh-AUT 2025-26 · 15 Apr 2026

½-½

Endgame Statistics

PRO21 endgame categories analyzed

Endgame Statistics

Reveal weaknesses →

21 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

968 Games

50%38%12%

Move	Games	%
1.Nf3	537	69%
1.d4	324	69%
1.e4 Strong	90	72%
1.c4 Strong	11	77%
1.Nc3	6	58%

MoveGamesPerformance%

1.Nf3

537

69%

1.d4

324

69%

1.e4Strong

72%

1.c4Strong

77%

1.Nc3

58%