Chess
Scotland

Chess
Scotland

Season:

Roger D W Marsh

PNUM: 30182

Clubs: England & Non Resident

Status: V

Gender: M

Federation: ENG

Fide ID: 405906

Standard: 1901 ⇒ 1836 (-65)

Allegro: 1901 ⇒ 1901

Standard Games

Rnd	Opponent	Stat	Pub	Adj	Used	Col	Res
Perth Congress Open
2	Mark Gyalus31613	A	1606	1606	1606	W	0
3	H Campbell Dougan3780	A	1673	1673	1673	B	0
4	Calum McGillivray18587	A	1630	1630	1630	W	½
5	Christopher Yapp30376	NEW	1724	1764	1764	B	½
6	Jim Robertson5812	A	1333	1333	1501	W	1
7	Tavish Railwani29428	J9	1370	1510	1510	B	½
Grade Calculation: • ROGER D W MARSH • 30182 • GRADED PLAYER CALCULATION • PUBLISHED GRADE: 1901 • STATUS: V • *** • RESULTS: • MARK GYALUS \| 31613 \| LOSS \| PUB GRADE: 1606 \| ADJ GRADE (+0): 1606 \| USED GRADE: 1606 \| EXP: 0.847 • H CAMPBELL DOUGAN \| 3780 \| LOSS \| PUB GRADE: 1673 \| ADJ GRADE (+0): 1673 \| USED GRADE: 1673 \| EXP: 0.786 • CALUM MCGILLIVRAY \| 18587 \| DRAW \| PUB GRADE: 1630 \| ADJ GRADE (+0): 1630 \| USED GRADE: 1630 \| EXP: 0.827 • CHRISTOPHER YAPP \| 30376 \| NEW \| DRAW \| PUB GRADE: 1724 \| ADJ GRADE (+40): 1764 \| USED GRADE: 1764 \| EXP: 0.684 • JIM ROBERTSON \| 5812 \| WIN \| PUB GRADE: 1333 \| ADJ GRADE (+0): 1333 \| USED GRADE: 1501 \| EXP: 0.918 • TAVISH RAILWANI \| 29428 \| J9 \| DRAW \| PUB GRADE: 1370 \| ADJ GRADE (+140): 1510 \| USED GRADE: 1510 \| EXP: 0.914 • ----- • CALCULATION STEPS: • 6 GRADABLE GAMES • QTY GRADABLE GAMES (G): 6 • ACTUAL SCORE (ACT): 2.5 • EXPECTED SCORE (EXP): 4.976 • PUBLISHED GRADE (PUB): 1901 • HIGHER OF G OR 30 (N): 30 • LOWER OF G OR 30 (n): 6 • CALCULATED DRIFT (D): 4.58 (to 2 d.p.) • APPLIED DRIFT (d): D x n / 30 = 4.58 x 6 / 30 = 1 (to 0 d.p.) • LIVE = PUB + (800 x (ACT - EXP) / N) + d • 1901 + (800 x (2.5 - 4.976) / 30) + 1 = 1836 (to 0 d.p.) • GRADE DELTA: -65 • LIVE GRADE: 1836 • *** • GRADING CRITERIA MET • PLAYER GRANTED LIVE GRADE OF 1836