Chess
Scotland

Chess
Scotland

Season:

Keith McDonald

PNUM: 21984

Club: Musselburgh

Status: A

Gender: M

Fide ID: 2409402

Standard: 1541 ⇒ 1506 (-35)

Allegro: 1541 ⇒ 1541

Standard Games

Rnd	Opponent	Stat	Pub	Adj	Used	Col	Res
Edinburgh & Lothians Summer Cup 2023
2	Elliot S Sloan6012	A	1931	1931	1931	B	0
Edinburgh & Lothians League Division 2
1	David Wallace6346	A	1776	1776	1776	B	0
9	Vipin Zamvar22822	A	1517	1517	1517	W	½
13	Stuart McKinney5147	A	1464	1464	1464	B	1
17	Hasan Abdellatif31671	J20	-	-	1561	B	½
22	João Reis30375	NEW	1410	1450	1450	W	½
32	Brian Gourlay8390	A	1534	1534	1534	W	½
36	Billy Moon29439	A	-	-	1544	B	0
37	Colin Matthews11594	A	1298	1298	1298	B	0
Grade Calculation: • KEITH MCDONALD • 21984 • GRADED PLAYER CALCULATION • PUBLISHED GRADE: 1541 • STATUS: A • *** • RESULTS: • ELLIOT S SLOAN \| 6012 \| LOSS \| PUB GRADE: 1931 \| ADJ GRADE (+0): 1931 \| USED GRADE: 1931 \| EXP: 0.087 • DAVID WALLACE \| 6346 \| LOSS \| PUB GRADE: 1776 \| ADJ GRADE (+0): 1776 \| USED GRADE: 1776 \| EXP: 0.207 • VIPIN ZAMVAR \| 22822 \| DRAW \| PUB GRADE: 1517 \| ADJ GRADE (+0): 1517 \| USED GRADE: 1517 \| EXP: 0.534 • STUART MCKINNEY \| 5147 \| WIN \| PUB GRADE: 1464 \| ADJ GRADE (+0): 1464 \| USED GRADE: 1464 \| EXP: 0.606 • HASAN ABDELLATIF \| 31671 \| J20 \| DRAW \| UNGRADED \| TEMP GRADE: 1561 \| USED GRADE: 1561 \| EXP: 0.472 • JOAO REIS \| 30375 \| NEW \| DRAW \| PUB GRADE: 1410 \| ADJ GRADE (+40): 1450 \| USED GRADE: 1450 \| EXP: 0.624 • BRIAN GOURLAY \| 8390 \| DRAW \| PUB GRADE: 1534 \| ADJ GRADE (+0): 1534 \| USED GRADE: 1534 \| EXP: 0.51 • BILLY MOON \| 29439 \| LOSS \| UNGRADED \| EST GRADE: 1544 \| USED GRADE: 1544 \| EXP: 0.496 • COLIN MATTHEWS \| 11594 \| LOSS \| PUB GRADE: 1298 \| ADJ GRADE (+0): 1298 \| USED GRADE: 1298 \| EXP: 0.801 • ----- • CALCULATION STEPS: • 9 GRADABLE GAMES • QTY GRADABLE GAMES (G): 9 • ACTUAL SCORE (ACT): 3.0 • EXPECTED SCORE (EXP): 4.337 • PUBLISHED GRADE (PUB): 1541 • HIGHER OF G OR 30 (N): 30 • LOWER OF G OR 30 (n): 9 • CALCULATED DRIFT (D): 4.58 (to 2 d.p.) • APPLIED DRIFT (d): D x n / 30 = 4.58 x 9 / 30 = 1 (to 0 d.p.) • LIVE = PUB + (800 x (ACT - EXP) / N) + d • 1541 + (800 x (3.0 - 4.337) / 30) + 1 = 1506 (to 0 d.p.) • GRADE DELTA: -35 • LIVE GRADE: 1506 • *** • GRADING CRITERIA MET • PLAYER GRANTED LIVE GRADE OF 1506