Rogoff, Kenneth

USA USA·Born 1953·FIDE #2000237·307 Games

FIDE OTB · #2000237 · 307 Games

Classical2505306 g Games

Rapid—0 g Games

Blitz—1 g Games

Play against Rogoff's Twin

PRO

Uses their openings, level & style

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

Ready to play

307 games analyzed

Statistics

Total

307

Wins

112

Draws

132

Losses

36%43%21%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 93.9% average

Very consistent (90%)

Very precise: only 0.1 blunders/game

Dominates 1.e4 ♔ (68% in 76 games)

Vulnerable to 1.c4 ♔ (only 45%)

Deep Analysis

Stockfish 18 · Classical games · 16 analyzed

Accuracy by phase

Opening

96.5%

Middlegame

94.7%

Endgame

95.8%

Clutch Factor

+8%

Winning (+2)Winning (+2)

97%2g

EqualEqual position

96%9g

Losing (−2)Losing (−2)

89%5g

Accuracy under pressure

Problematic Pieces — which cause most errors?

42%

5 err

17%

2 err

17%

2 err

17%

2 err

1 err

0 err

Critical Moment

Move 31 avg

1-15

16-25

100%

26-35

36-45

46+

100% 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

d7 / e6

Critical squares

2 err

1 err

d7/e6 account for most of the errors. Force decisions in those zones.

Openings

307 GamesBased on 307 player games

Weaknesses

— exploit these— exploit these lines

No significant weaknesses detected as white

No significant weaknesses detected as black

Strengths

— avoid these— avoid these lines

No consistent strengths detected as white

asblack56.5%Wins

Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d623 Games · last played 48 years ago

23 Games · last played 48 years ago

Critical Blunders

1 errors · Stockfish

#31Re7??Tacticsvs PortischOTB

Recent Games

307 Games

Draw

Carlsen, Magnus(2837)

Exhibition blitz · 28 Aug 2012

½-½

Draw

Beliavsky, Alexander G(2545)

? · 6 Sept 1978

½-½

Win

Swanson, Stephen(2215)

? · 4 Sept 1978

1-0

Win

Nickoloff, Bryon(2280)

? · 3 Sept 1978

0-1

Win

Rogers, Ian(2400)

? · 2 Sept 1978

1-0

Win

Villarreal Felix, Jose Felix(2325)

? · 31 Aug 1978

1-0

Endgame Statistics

PRO8 endgames (47.1%)

Strongest

Weakest

Reaches Endgame

47.1%

8 / 17

B vs N Pref

0% · 0%

1 / 0

PiecesTypeWin %Games

Rook + Minor

0%3

Rook+Bishop vs Rook+Knight

0%3

Rook vs Minor (Exchange)

50%2

Minor Piece Pairs

0%1

Rook + Equal Minors

100%1

Same-Color Bishops

100%1

Rook + Minor0%3

Rook+Bishop vs Rook+Knight0%3

Rook vs Minor (Exchange)50%2

Minor Piece Pairs0%1

Rook + Equal Minors100%1

Same-Color Bishops100%1

Weakest: 0%Show all 9 types

Unlock Endgame Statistics

9 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

163 Games

40%44%16%

Move	Games	%
1.e4	76	68%
1.Nf3	45	63%
1.c4	30	45%
1.d4	8	69%
1.g3	3	50%
1.b4Strong	1	100%

MoveGamesPerformance%

1.e4

68%

1.Nf3

63%

1.c4

45%

1.d4

69%

1.g3

50%

1.b4Strong

100%