Chess
Scotland

Chess
Scotland

Season:

David Bridges

PNUM: 15848

Club: Stonehaven

Status: A

Gender: M

Fide ID: 2414449

Standard: 1222 ⇒ 1206 (-16)

Allegro: 1222 ⇒ 1231 (+9)

Standard Games

Rnd	Opponent	Stat	Pub	Adj	Used	Col	Res
Stonehaven Club Championship 2023-24
1	Keith Emery9859	A	1533	1533	1533	B	0
3	Patrick J Coffield3549	A	1496	1496	1496	W	0
4	Ethan Turnbull31666	A	-	-	-	B	1
5	Tate Randle31596	A	-	-	-	W	1
6	Thomas Stidolph22892	A	-	-	1427	B	0
SNCL Division 3
23	Jonathan Kinnell31216	J18	-	-	1407	W	½
31	Jennifer Wilson27313	A	628	628	822	B	1
54	Kirsty McCusker22500	A	-	-	1290	B	0
60	Andy Chisholm30859	A	-	-	1285	W	0
68	Darren Gillies21173	A	1162	1162	1162	B	1
Grade Calculation: • DAVID BRIDGES • 15848 • GRADED PLAYER CALCULATION • PUBLISHED GRADE: 1222 • STATUS: A • *** • RESULTS: • KEITH EMERY \| 9859 \| LOSS \| PUB GRADE: 1533 \| ADJ GRADE (+0): 1533 \| USED GRADE: 1533 \| EXP: 0.139 • PATRICK J COFFIELD \| 3549 \| LOSS \| PUB GRADE: 1496 \| ADJ GRADE (+0): 1496 \| USED GRADE: 1496 \| EXP: 0.171 • ETHAN TURNBULL \| 31666 \| WIN \| UNGRADED • TATE RANDLE \| 31596 \| WIN \| UNGRADED • THOMAS STIDOLPH \| 22892 \| LOSS \| UNGRADED \| EST GRADE: 1427 \| USED GRADE: 1427 \| EXP: 0.238 • JONATHAN KINNELL \| 31216 \| J18 \| DRAW \| UNGRADED \| EST GRADE: 1407 \| USED GRADE: 1407 \| EXP: 0.26 • JENNIFER WILSON \| 27313 \| WIN \| PUB GRADE: 628 \| ADJ GRADE (+0): 628 \| USED GRADE: 822 \| EXP: 0.918 • KIRSTY MCCUSKER \| 22500 \| LOSS \| UNGRADED \| EST GRADE: 1290 \| USED GRADE: 1290 \| EXP: 0.405 • ANDY CHISHOLM \| 30859 \| LOSS \| UNGRADED \| EST GRADE: 1285 \| USED GRADE: 1285 \| EXP: 0.412 • DARREN GILLIES \| 21173 \| WIN \| PUB GRADE: 1162 \| ADJ GRADE (+0): 1162 \| USED GRADE: 1162 \| EXP: 0.584 • ----- • CALCULATION STEPS: • 8 GRADABLE GAMES • QTY GRADABLE GAMES (G): 8 • ACTUAL SCORE (ACT): 2.5 • EXPECTED SCORE (EXP): 3.127 • PUBLISHED GRADE (PUB): 1222 • HIGHER OF G OR 30 (N): 30 • LOWER OF G OR 30 (n): 8 • CALCULATED DRIFT (D): 4.58 (to 2 d.p.) • APPLIED DRIFT (d): D x n / 30 = 4.58 x 8 / 30 = 1 (to 0 d.p.) • LIVE = PUB + (800 x (ACT - EXP) / N) + d • 1222 + (800 x (2.5 - 3.127) / 30) + 1 = 1206 (to 0 d.p.) • GRADE DELTA: -16 • LIVE GRADE: 1206 • *** • GRADING CRITERIA MET • PLAYER GRANTED LIVE GRADE OF 1206

Allegro Games

Rnd	Opponent	Stat	Pub	Adj	Used	Col	Res
Stonehaven Allegro 2024
1	Bruce T Harrold4277	A	1528	1528	1528	W	1
3	Ethan Turnbull31666	A	-	-	1380	B	0
5	Lewis A Matheson30753	A	-	-	1242	B	0
6	Patrick J Coffield3549	A	1496	1496	1496	W	0
7	Tate Randle31596	A	-	-	1079	B	1
8	Thomas Stidolph22892	A	-	-	1354	B	0
10	Alan P Cundill3658	A	1630	1630	1622	B	½
Grade Calculation: • DAVID BRIDGES • 15848 • GRADED PLAYER CALCULATION • PUBLISHED GRADE: 1222 • STATUS: A • *** • RESULTS: • BRUCE T HARROLD \| 4277 \| WIN \| PUB GRADE: 1528 \| ADJ GRADE (+0): 1528 \| USED GRADE: 1528 \| EXP: 0.143 • ETHAN TURNBULL \| 31666 \| LOSS \| UNGRADED \| EST GRADE: 1380 \| USED GRADE: 1380 \| EXP: 0.291 • LEWIS A MATHESON \| 30753 \| LOSS \| UNGRADED \| EST GRADE: 1242 \| USED GRADE: 1242 \| EXP: 0.472 • PATRICK J COFFIELD \| 3549 \| LOSS \| PUB GRADE: 1496 \| ADJ GRADE (+0): 1496 \| USED GRADE: 1496 \| EXP: 0.171 • TATE RANDLE \| 31596 \| WIN \| UNGRADED \| TEMP GRADE: 1079 \| USED GRADE: 1079 \| EXP: 0.691 • THOMAS STIDOLPH \| 22892 \| LOSS \| UNGRADED \| EST GRADE: 1354 \| USED GRADE: 1354 \| EXP: 0.322 • ALAN P CUNDILL \| 3658 \| DRAW \| PUB GRADE: 1630 \| ADJ GRADE (+0): 1630 \| USED GRADE: 1622 \| EXP: 0.082 • ----- • CALCULATION STEPS: • 7 GRADABLE GAMES • QTY GRADABLE GAMES (G): 7 • ACTUAL SCORE (ACT): 2.5 • EXPECTED SCORE (EXP): 2.172 • PUBLISHED GRADE (PUB): 1222 • HIGHER OF G OR 30 (N): 30 • LOWER OF G OR 30 (n): 7 • CALCULATED DRIFT (D): 0.85 (to 2 d.p.) • APPLIED DRIFT (d): D x n / 30 = 0.85 x 7 / 30 = 0 (to 0 d.p.) • LIVE = PUB + (800 x (ACT - EXP) / N) + d • 1222 + (800 x (2.5 - 2.172) / 30) + 0 = 1231 (to 0 d.p.) • GRADE DELTA: +9 • LIVE GRADE: 1231 • *** • GRADING CRITERIA MET • PLAYER GRANTED LIVE GRADE OF 1231