Grieve, Harry

ENG ENG·Born 2001·FIDE #426520·1,438 Games

FIDE OTB · #426520 · 1,438 Games

Classical25081,353 g Games

Rapid231625 g Games

Blitz232460 g Games

Play against Grieve's Twin

PRO

Uses their openings, level & style

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

Ready to play

1438 games analyzed

Statistics

Total

1438

Wins

664

Draws

346

Losses

424

46%24%29%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 93.6% average

Solid conversion: 89%

Very consistent (90%)

Very precise: only 0.1 blunders/game

Dominates 1.e4 ♔ (64% in 537 games)

Deep Analysis

Stockfish 18 · Classical games · 510 analyzed

Accuracy by phase

Opening

96.9%

Middlegame

93.3%

Endgame

95.3%

Clutch Factor

+6%

Winning (+2)Winning (+2)

95%222g

EqualEqual position

94%183g

Losing (−2)Losing (−2)

89%93g

Accuracy under pressure

Problematic Pieces — which cause most errors?

20%

85 err

19%

84 err

18%

78 err

16%

68 err

14%

60 err

13%

56 err

Critical Moment

Move 43 avg

1-15

20%

16-25

30%

26-35

10%

36-45

40%

46+

40% of blunders after move 46 — keep the tension until then.of blunders occur in moves 46+. Keep the tension until that moment.

Error Heatmap — where do errors occur?

Few

Many

Errors mapped

139

Hotspot zone

f5 / f4

Critical squares

22 err

16 err

15 err

14 err

13 err

f5/f4 account for most of the errors. Force decisions in those zones.

Openings

1,438 GamesBased on 1,438 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

aswhite77.1%Wins

Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e635 Games · last played 2 weeks ago

35 Games · last played 2 weeks ago

aswhite63.6%Wins

Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d666 Games · last played 2 months ago

66 Games · last played 2 months ago

asblack72.7%Wins

Sicilian: Alapin — 1.e4 c5 2.c3 Nf622 Games · last played last year

22 Games · last played last year

asblack45.8%Wins

Queen's Gambit Declined — 1.d4 d5 2.c4 e6118 Games · last played 2 weeks ago

118 Games · last played 2 weeks ago

Critical Blunders

10 errors · Stockfish

#20Rxd8+??Tacticsvs MoroniOTB · 2026

#29Qd2??Tacticsvs KollarsOTB · 2026

#36f3??Endgamevs ShimanovOTB · 2026

#25Qg3??Tacticsvs SaranaOTB · 2026

#45h4??Endgamevs TanOTB · 2026

#32Re5??Tacticsvs ThyboOTB · 2025

#43Nc2??Endgamevs JakubiecOTB · 2025

#18Bf4??Tacticsvs Dominguez ExpositoOTB · 2025

#18Rh4??Tacticsvs BorgeOTB · 2025

#35Rd4??Tacticsvs HansenOTB · 2025

Recent Games

1,438 Games

Win

Ribeiro, Rafael A Figueiredo(1969)

Portuguese Top League · 19 Jul 2026

1-0

Draw

Alsina Leal, Daniel(2488)

Portuguese Top League · 18 Jul 2026

½-½

Win

Barria, Jose(2353)

Portuguese Top League · 17 Jul 2026

1-0

Win

Cadeirinhas, David Eduardo Louro(1969)

Portuguese Top League · 17 Jul 2026

0-1

Win

Sarabando, Rodrigo Andias(2101)

Portuguese Top League · 16 Jul 2026

1-0

Draw

Vassallo Barroche, Mauricio(2318)

Portuguese Top League · 15 Jul 2026

½-½

Endgame Statistics

PRO290 endgames (53.9%)

Strongest

75%

Queen vs Fortress

Weakest

15%

Opposite-Color Bishops

Reaches Endgame

53.9%

290 / 538

B vs N Pref

44.4% · 22.2%

9 / 9

PiecesTypeWin %Games

Rook + Minor

50.6%158

Rook + Equal Minors

46.1%76

Rook vs Rook

45.8%72

Rook+Bishop vs Rook+Knight

57.9%57

Queen vs Pieces

53.6%56

Rook vs Minor (Exchange)

37.5%48

Rook + Minor50.6%158

Rook + Equal Minors46.1%76

Rook vs Rook45.8%72

Rook+Bishop vs Rook+Knight57.9%57

Queen vs Pieces53.6%56

Rook vs Minor (Exchange)37.5%48

Weakest: Opposite-Color Bishops 15%Show all 23 types

Unlock Endgame Statistics

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

737 Games

50%24%26%

Move	Games	%
1.e4	540	64%
1.d4	171	56%
1.Nf3	18	56%
1.a3	6	50%
1.g3	1	50%
1.e3	1	50%

MoveGamesPerformance%

1.e4

540

64%

1.d4

171

56%

1.Nf3

56%

1.a3

50%

1.g3

50%

1.e3

50%