What is Peter Biyiasas's FIDE rating?

Peter Biyiasas's FIDE rating is 2450 standard. Chess Stalker tracks it together with Peter Biyiasas's over-the-board games and opening repertoire.

How many OTB games has Peter Biyiasas played?

The Chess Stalker database holds 715 over-the-board games by Peter Biyiasas (715 classical), with 46% wins. The full list, with openings and results, is on Peter Biyiasas's Chess Stalker profile.

How do I prepare against Peter Biyiasas?

Open Peter Biyiasas's free Chess Stalker report: opening repertoire with results per line as White and Black, recurring weaknesses and blunder patterns evaluated with Stockfish, and recent games. Then rehearse against the Twin Bot, which imitates Peter Biyiasas's style, before facing them.

Peter Biyiasas

TitleGrandmasterFederationUnited StatesBorn1950FIDE ID2000431

Classical2450

Rapid—

Blitz—

Games715

W · D · LWon · Drawn · Lost46 / 30 / 24

Peak2450Jan 2001

Rating history

2420

Oct

2024

Apr

Jul

Oct

2025

Apr

Jul

Oct

2026

Apr

Jul

Oct

Oct 2023Nov 2026

Classical2450no games played

Accuracy by phase

94.9%Opening94.6%Middlegame94.3%Endgame

Clutch factor

Insufficient data

Play style

Elite accuracy: 92.4% average

Very consistent (92%)

Very precise: only 0.0 blunders/game

Dominates 1.e4 as

(71% in 241 games)

Vulnerable to 1.g3

(only 38%)

Recent games

Akamine, Nathan

California · 1 Jan 1986

1–0

Penoyer, F.

California · 1 Jan 1986

0–1

Lawless, K.

Piedmont · 1 Jan 1985

½–½

Gonzalez, Roberto Sanchez

Sunnyvale · 1 Jan 1985

½–½

Lawless, K.

California · 1 Jan 1984

½–½

Play against Biyiasas's Twin

Their real openings, level & style

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

Based on

715 games

Based on 715 games

Openings

352 games as White · scores 66.9%

Weaknesses

where they slip as ♔ White

No significant weaknesses detected as white

Strengths

what holds up for them as ♔ White

French: Winawer1.e4 e6 2.d4 d5 3.♞c3 ♝b413 games, last played 43 years ago84.6%wins

Ruy Lopez: Exchange1.e4 e5 2.♞f3 ♞c6 3.♝b5 a6 4.♝xc611 games, last played 49 years ago63.6%wins

By family

open a family to see its lines

PROTime controls · Years · Events

715 games in scope

LineECOGamesLast playedWins · draws · lossesScorevs 66.9%

B23–B50117—

48%33%19

64.5%—

A00–A0452—

38%35%27%

55.8%−11.1 pts

A10–A3051—

43%35%22%

60.8%−6.1 pts

C60–C7042—

48%40%12

67.9%—

C0026—

73%198

82.7%+15.8 pts

B00–B0618—

83%11

86.1%—

C25–C4610—

70%1020%

75.0%—

B10–B158—

63%38%

81.3%—

Mistakes

Problematic pieces

Insufficient data

Critical moment

Insufficient data

Error heatmap · Critical squaresError heatmap

Insufficient data

Critical blunders

Tactical errors analyzed with Stockfish

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Endgame statistics

8 endgames (66.7%)

Strongest

79.4%

R+Bishop vs R+Knight

Weakest

60.6%

Pure Pawn

Reaches Endgame

66.7%

8 / 12

B vs N Pref

52.4%·47.8%

prefers the bishop

PiecesTypeWin %games

Rook + Equal Minors

56%44%

77.9%353g

R+Bishop vs R+Knight

59%41%

79.4%306g

Rook vs Minor (Exchange)

49%50%

73.7%281g

Rook vs Rook

48%50%

72.6%252g

Rook vs Two Minors

56%44%

78.1%160g

Pure Pawn

36%50%14

60.6%109g

Rook + Equal Minors77.9%353g

R+Bishop vs R+Knight79.4%306g

Rook vs Minor (Exchange)73.7%281g

Rook vs Rook72.6%252g

Rook vs Two Minors78.1%160g

Pure Pawn60.6%109g

Weak in : only 0% win rate (0 games). Force this endgameShow all 14 types

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Repertoire

PROTime controls · Years · Events

715 games in scope

Explore the repertoireevery move played, ranked by frequency

352 games52%W30%D18%L

352games in this linewon 52%, drew 30%, lost 18%

Move

1. e4

241Jan 1986

57%28%15

71%

1. c4

51May 1978

43%35%22%

61%

1. ♞f3

45Aug 1983

36%38%26%

54%

1. d4

8Dec 1977

50%25%25%

63%

1. g3

6Jul 1981

50%1733%

58%

1. b3

1—

100%

Scouting report: Peter Biyiasas (GM, USA)

Peter Biyiasas

Rating history

Play style

Recent games

Play against Biyiasas's Twin

Openings

Weaknesses

Strengths

By family

Mistakes

Critical blunders

Endgame statistics

Repertoire