Chess
Scotland

Chess
Scotland

Season:

A David Archibald

PNUM: 10833

Clubs: Sandy Bells & Edinburgh

Status: A

Gender: M

Federation: ENG

Fide ID: 406899

Standard: 1833 ⇒ 1784 (-49)

Allegro: 1833 ⇒ 1833

Standard Games

Rnd	Opponent	Stat	Pub	Adj	Used	Col	Res
Edinburgh Chess Club Championship 2022-23 part II
1	Snorri Kristjansson29036	A	1824	1824	1824	-	0
8	Neil Irving12666	A	1741	1741	1741	-	0
Edinburgh & Lothians League Division 1
2	Brian G Whyte10541	A	2048	2048	2048	B	0
4	Snorri Kristjansson29036	A	1824	1824	1824	W	0
7	Matt Rounds26695	A	1825	1825	1825	B	½
Grade Calculation: • A DAVID ARCHIBALD • 10833 • GRADED PLAYER CALCULATION • PUBLISHED GRADE: 1833 • STATUS: A • *** • RESULTS: • SNORRI KRISTJANSSON \| 29036 \| LOSS \| PUB GRADE: 1824 \| ADJ GRADE (+0): 1824 \| USED GRADE: 1824 \| EXP: 0.513 • NEIL IRVING \| 12666 \| LOSS \| PUB GRADE: 1741 \| ADJ GRADE (+0): 1741 \| USED GRADE: 1741 \| EXP: 0.626 • BRIAN G WHYTE \| 10541 \| LOSS \| PUB GRADE: 2048 \| ADJ GRADE (+0): 2048 \| USED GRADE: 2048 \| EXP: 0.228 • SNORRI KRISTJANSSON \| 29036 \| LOSS \| PUB GRADE: 1824 \| ADJ GRADE (+0): 1824 \| USED GRADE: 1824 \| EXP: 0.513 • MATT ROUNDS \| 26695 \| DRAW \| PUB GRADE: 1825 \| ADJ GRADE (+0): 1825 \| USED GRADE: 1825 \| EXP: 0.511 • ----- • CALCULATION STEPS: • 5 GRADABLE GAMES • QTY GRADABLE GAMES (G): 5 • ACTUAL SCORE (ACT): 0.5 • EXPECTED SCORE (EXP): 2.391 • PUBLISHED GRADE (PUB): 1833 • HIGHER OF G OR 30 (N): 30 • LOWER OF G OR 30 (n): 5 • CALCULATED DRIFT (D): 4.58 (to 2 d.p.) • APPLIED DRIFT (d): D x n / 30 = 4.58 x 5 / 30 = 1 (to 0 d.p.) • LIVE = PUB + (800 x (ACT - EXP) / N) + d • 1833 + (800 x (0.5 - 2.391) / 30) + 1 = 1784 (to 0 d.p.) • GRADE DELTA: -49 • LIVE GRADE: 1784 • *** • GRADING CRITERIA MET • PLAYER GRANTED LIVE GRADE OF 1784