Chess
Scotland

Chess
Scotland

Season:

Petros Walden

PNUM: 24775

Club: Edinburgh

Status: A

Gender: M

Federation: GRE

Fide ID: 4203852

Standard: 2202 ⇒ 2188 (-14)

Allegro: 2202 ⇒ 2202

Standard Games

Rnd	Opponent	Stat	Pub	Adj	Used	Col	Res
Edinburgh & Lothians League Premier
22	Elliot S Sloan6012	A	1931	1931	1931	W	1
Richardson Cup 2024
2	Robert S Montgomery5335	A	1620	1620	1802	B	½
5	Neil R Farrell3881	A	2029	2029	2029	B	0
7	Edwin A Spencer6072	A	2132	2132	2132	B	1
Grade Calculation: • PETROS WALDEN • 24775 • GRADED PLAYER CALCULATION • PUBLISHED GRADE: 2202 • STATUS: A • *** • RESULTS: • ELLIOT S SLOAN \| 6012 \| WIN \| PUB GRADE: 1931 \| ADJ GRADE (+0): 1931 \| USED GRADE: 1931 \| EXP: 0.827 • ROBERT S MONTGOMERY \| 5335 \| DRAW \| PUB GRADE: 1620 \| ADJ GRADE (+0): 1620 \| USED GRADE: 1802 \| EXP: 0.918 • NEIL R FARRELL \| 3881 \| LOSS \| PUB GRADE: 2029 \| ADJ GRADE (+0): 2029 \| USED GRADE: 2029 \| EXP: 0.727 • EDWIN A SPENCER \| 6072 \| WIN \| PUB GRADE: 2132 \| ADJ GRADE (+0): 2132 \| USED GRADE: 2132 \| EXP: 0.597 • ----- • CALCULATION STEPS: • 4 GRADABLE GAMES • QTY GRADABLE GAMES (G): 4 • ACTUAL SCORE (ACT): 2.5 • EXPECTED SCORE (EXP): 3.069 • PUBLISHED GRADE (PUB): 2202 • HIGHER OF G OR 30 (N): 30 • LOWER OF G OR 30 (n): 4 • CALCULATED DRIFT (D): 4.58 (to 2 d.p.) • APPLIED DRIFT (d): D x n / 30 = 4.58 x 4 / 30 = 1 (to 0 d.p.) • LIVE = PUB + (800 x (ACT - EXP) / N) + d • 2202 + (800 x (2.5 - 3.069) / 30) + 1 = 2188 (to 0 d.p.) • GRADE DELTA: -14 • LIVE GRADE: 2188 • *** • GRADING CRITERIA MET • PLAYER GRANTED LIVE GRADE OF 2188