Hartston, William R

ENG ENG·Born 1947·FIDE #400262·867 Games

Classical2430867 Games

Rapid—0 Games

Blitz—0 Games

Play against Hartston, William R's Twin

PRO

Uses their openings, level & style

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

Ready to play

867 games analyzed

Statistics

Total

867

Wins

282

Draws

410

Losses

175

33%47%20%

Play Style

What you need to know before facing them

Elite accuracy: 92.3% average

Very consistent (91%)

Very precise: only 0.0 blunders/game

Dominates 1.Nf3 ♔ (67% in 21 games)

Vulnerable to 1.c4 ♚ (only 44%)

Deep Analysis

Stockfish 18 · Classical games · 27 analyzed

Accuracy by phase

Opening

96.3%

Middlegame

93.5%

Endgame

93.3%

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)

96%2g

Equal position

94%14g

Losing (-2 or more)

90%11g

Performance under pressure

Problematic Pieces — Which pieces cause most errors?

24%

14 errors

19%

11 errors

17%

10 errors

16%

9 errors

16%

9 errors

5 errors

Critical Moment — When does the first serious error occur?

Move 23 average

100%

1-15

16-25

26-35

36-45

46+

100% of blunders occur between move 16-25. Keep tension until that moment.

Error Heatmap — Where do most errors occur?

Few

Many

Errors mapped

Hotspot zone

c8 / f4

Critical squares

4 err

3 err

c8/f4 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

White60.0%Wins

Nimzo-Indian: Leningrad — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg510 Games · last played 50 years ago

White60.0%Wins

Grünfeld — 1.d4 Nf6 2.c4 g6 3.Nc3 d510 Games · last played 46 years ago

No consistent strengths detected as Black

Critical Blunders

3 errors · Stockfish

#56Kd5??Endgamevs BronsteinOTB · 1976

#45Rd8??Endgamevs KorchnoiOTB

#23e8g7??Endgamevs TalOTB

Recent Games

867 Games

Martin, A.

? · 1 Jan 1988

1-0

Sherzer, Alex(2350)

Lloyds Bank Masters 11th · 30 Aug 1987

½-½

Tozer, Richard J D

Lloyds Bank Masters 11th · 26 Aug 1987

1-0

Cooper, Lawrence H

Lloyds Bank Masters 11th · 25 Aug 1987

½-½

Hansen, Mads Smith(2305)

Lloyds Bank Masters 11th · 24 Aug 1987

½-½

Plaskett, H James(2435)

? · 1 Jan 1986

1-0

Endgame Statistics

PRO10 endgame categories analyzed

Endgame Statistics

Reveal weaknesses →

10 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

436 Games

37%48%15%

Move	Games	%
1.e4	271	60%
1.d4	110	66%
1.Nf3	21	67%
1.g3	17	56%
1.c4	9	56%
1.d3	8	69%

MoveGamesPerformance%

1.e4

271

60%

1.d4

110

66%

1.Nf3

67%

1.g3

56%

1.c4

56%

1.d3

69%