Season:

Rob Colston

PNUM: 18347

Club: Bearsden

Status: A

Gender: M

Federation: SCO

Fide ID: 2408406

Standard: 1961 ⇒ 1993 (+32)

Allegro: 1970 ⇒ 1991 (+21)

Standard Games

Rnd	Opponent	Stat	Pub	Adj	Used	Col	Res
Bearsden Club Championship 2023/24
1	Allan Thompson30632	A	-	-	1561	B	1
2	Alvaro Rodriguez Rosales28836	J16	1211	1291	1561	W	1
3	J Stuart Callison3390	A	1680	1680	1680	B	½
4	Ishan Kumar27691	J15	1575	1675	1675	B	1
5	J Mel Burt3365	A	1552	1552	1561	W	1
GCL Div 2
3	J Mel Burt3365	A	1552	1552	1561	B	1
4	Jonathan McKay24546	J20	1979	2019	2019	W	½
9	Paul F Maiolani4837	A	1777	1777	1777	W	½
12	Lennart Koehn23386	A	2187	2187	2187	B	½
25	John Larkin4647	A	1460	1460	1561	W	1
26	Phil S Muir5402	A	1713	1713	1713	W	1
29	Rhys McCrosson21825	A	1582	1582	1582	W	½
38	Rosie A Giulian4094	A	1885	1885	1885	B	½
41	Aditya Srivastava29367	J15	1638	1738	1738	B	½
Dumbarton & District Division 1
2	Max Cochrane30098	NEW	1649	1689	1689	B	1
14	Daniel Savidge31499	A	2013	2013	2013	B	1
16	Jainill Vadalia28248	J13	1750	1880	1880	W	1
23	Lennart Koehn23386	A	2187	2187	2187	B	½
27	Graham M Dobbie3740	A	1834	1834	1834	W	1
28	John B Henderson4322	A	2027	2027	2027	B	0
Grade Calculation: • ROB COLSTON • 18347 • GRADED PLAYER CALCULATION • PUBLISHED GRADE: 1961 • STATUS: A • *** • RESULTS: • ALLAN THOMPSON \| 30632 \| WIN \| UNGRADED \| EST GRADE: 1486 \| USED GRADE: 1561 \| EXP: 0.918 • ALVARO RODRIGUEZ ROSALES \| 28836 \| J16 \| WIN \| PUB GRADE: 1211 \| ADJ GRADE (+80): 1291 \| USED GRADE: 1561 \| EXP: 0.918 • J STUART CALLISON \| 3390 \| DRAW \| PUB GRADE: 1680 \| ADJ GRADE (+0): 1680 \| USED GRADE: 1680 \| EXP: 0.835 • ISHAN KUMAR \| 27691 \| J15 \| WIN \| PUB GRADE: 1575 \| ADJ GRADE (+100): 1675 \| USED GRADE: 1675 \| EXP: 0.84 • J MEL BURT \| 3365 \| WIN \| PUB GRADE: 1552 \| ADJ GRADE (+0): 1552 \| USED GRADE: 1561 \| EXP: 0.918 • J MEL BURT \| 3365 \| WIN \| PUB GRADE: 1552 \| ADJ GRADE (+0): 1552 \| USED GRADE: 1561 \| EXP: 0.918 • JONATHAN MCKAY \| 24546 \| J20 \| DRAW \| PUB GRADE: 1979 \| ADJ GRADE (+40): 2019 \| USED GRADE: 2019 \| EXP: 0.419 • PAUL F MAIOLANI \| 4837 \| DRAW \| PUB GRADE: 1777 \| ADJ GRADE (+0): 1777 \| USED GRADE: 1777 \| EXP: 0.739 • LENNART KOEHN \| 23386 \| DRAW \| PUB GRADE: 2187 \| ADJ GRADE (+0): 2187 \| USED GRADE: 2187 \| EXP: 0.216 • JOHN LARKIN \| 4647 \| WIN \| PUB GRADE: 1460 \| ADJ GRADE (+0): 1460 \| USED GRADE: 1561 \| EXP: 0.918 • PHIL S MUIR \| 5402 \| WIN \| PUB GRADE: 1713 \| ADJ GRADE (+0): 1713 \| USED GRADE: 1713 \| EXP: 0.806 • RHYS MCCROSSON \| 21825 \| DRAW \| PUB GRADE: 1582 \| ADJ GRADE (+0): 1582 \| USED GRADE: 1582 \| EXP: 0.907 • ROSIE A GIULIAN \| 4094 \| DRAW \| PUB GRADE: 1885 \| ADJ GRADE (+0): 1885 \| USED GRADE: 1885 \| EXP: 0.605 • ADITYA SRIVASTAVA \| 29367 \| J15 \| DRAW \| PUB GRADE: 1638 \| ADJ GRADE (+100): 1738 \| USED GRADE: 1738 \| EXP: 0.781 • MAX COCHRANE \| 30098 \| NEW \| WIN \| PUB GRADE: 1649 \| ADJ GRADE (+40): 1689 \| USED GRADE: 1689 \| EXP: 0.828 • DANIEL SAVIDGE \| 31499 \| WIN \| PUB GRADE: 2013 \| ADJ GRADE (+0): 2013 \| USED GRADE: 2013 \| EXP: 0.427 • JAINILL VADALIA \| 28248 \| J13 \| WIN \| PUB GRADE: 1750 \| ADJ GRADE (+130): 1880 \| USED GRADE: 1880 \| EXP: 0.611 • LENNART KOEHN \| 23386 \| DRAW \| PUB GRADE: 2187 \| ADJ GRADE (+0): 2187 \| USED GRADE: 2187 \| EXP: 0.216 • GRAHAM M DOBBIE \| 3740 \| WIN \| PUB GRADE: 1834 \| ADJ GRADE (+0): 1834 \| USED GRADE: 1834 \| EXP: 0.672 • JOHN B HENDERSON \| 4322 \| LOSS \| PUB GRADE: 2027 \| ADJ GRADE (+0): 2027 \| USED GRADE: 2027 \| EXP: 0.408 • ----- • CALCULATION STEPS: • 20 GRADABLE GAMES • QTY GRADABLE GAMES (G): 20 • ACTUAL SCORE (ACT): 15.0 • EXPECTED SCORE (EXP): 13.900 • PUBLISHED GRADE (PUB): 1961 • HIGHER OF G OR 30 (N): 30 • LOWER OF G OR 30 (n): 20 • CALCULATED DRIFT (D): 4.58 (to 2 d.p.) • APPLIED DRIFT (d): D x n / 30 = 4.58 x 20 / 30 = 3 (to 0 d.p.) • LIVE = PUB + (800 x (ACT - EXP) / N) + d • 1961 + (800 x (15.0 - 13.900) / 30) + 3 = 1993 (to 0 d.p.) • GRADE DELTA: +32 • LIVE GRADE: 1993 • *** • GRADING CRITERIA MET • PLAYER GRANTED LIVE GRADE OF 1993

Allegro Games

Rnd	Opponent	Stat	Pub	Adj	Used	Col	Res
Cathcart CC 70th Anniversary Allegro
1	Iain A Shields30127	A	1142	1142	1142	B	1
2	John McKenna5128	A	1690	1690	1690	W	1
3	Andrew MacQueen4815	A	1762	1762	1762	B	1
4	Raj Bhopal22894	A	1814	1814	1814	W	½
5	Muhammad Al Dakl Alla29647	A	1594	1594	1594	B	1
6	Andrew N Greet IM21675	A	2486	2486	2370	B	½
Ken Stewart Quickplay 2023
1	Alex Lane30162	A	1279	1279	1570	B	1
2	Alistair M Ahmed7890	A	1624	1624	1624	W	1
3	Stephen G McQuillan5223	A	1899	1899	1899	B	0
4	John Larkin4647	A	1460	1460	1570	W	1
5	Jainill Vadalia28248	J13	1660	1790	1790	W	½
Lothians Allegro - Open
1	Marvin Gera28464	J15	1753	1853	1853	W	1
2	Eswar Theagarajan30582	A	1500	1500	1570	B	1
3	Andrew N Greet IM21675	A	2486	2486	2370	W	0
4	Andrew McCusker21604	A	1786	1786	1786	B	1
5	Ross Blackford28276	J17	1795	1850	1850	B	0
Edinburgh Park Open - Feb 2024
1	Daniel Kitaev29122	J15	1756	1856	1856	B	1
2	Andrew McCusker21604	A	1786	1786	1786	W	1
3	Yevgeni Sprenger De La Iglesia31357	J14	1869	1989	1989	B	1
4	Haroon Majeed30627	A	1820	1820	1820	W	½
5	Tom Leah30083	A	1758	1758	1758	B	½
Grade Calculation: • ROB COLSTON • 18347 • GRADED PLAYER CALCULATION • PUBLISHED GRADE: 1970 • STATUS: A • *** • RESULTS: • IAIN A SHIELDS \| 30127 \| WIN \| PUB GRADE: 1142 \| ADJ GRADE (+0): 1142 \| USED GRADE: 1142 \| RESULT VOID DUE TO THE 735 RULE • JOHN MCKENNA \| 5128 \| WIN \| PUB GRADE: 1690 \| ADJ GRADE (+0): 1690 \| USED GRADE: 1690 \| EXP: 0.834 • ANDREW MACQUEEN \| 4815 \| WIN \| PUB GRADE: 1762 \| ADJ GRADE (+0): 1762 \| USED GRADE: 1762 \| EXP: 0.765 • RAJ BHOPAL \| 22894 \| DRAW \| PUB GRADE: 1814 \| ADJ GRADE (+0): 1814 \| USED GRADE: 1814 \| EXP: 0.706 • MUHAMMAD AL DAKL ALLA \| 29647 \| WIN \| PUB GRADE: 1594 \| ADJ GRADE (+0): 1594 \| USED GRADE: 1594 \| EXP: 0.905 • ANDREW N GREET \| 21675 \| DRAW \| PUB GRADE: 2486 \| ADJ GRADE (+0): 2486 \| USED GRADE: 2370 \| EXP: 0.082 • ALEX LANE \| 30162 \| WIN \| PUB GRADE: 1279 \| ADJ GRADE (+0): 1279 \| USED GRADE: 1570 \| EXP: 0.918 • ALISTAIR M AHMED \| 7890 \| WIN \| PUB GRADE: 1624 \| ADJ GRADE (+0): 1624 \| USED GRADE: 1624 \| EXP: 0.886 • STEPHEN G MCQUILLAN \| 5223 \| LOSS \| PUB GRADE: 1899 \| ADJ GRADE (+0): 1899 \| USED GRADE: 1899 \| EXP: 0.598 • JOHN LARKIN \| 4647 \| WIN \| PUB GRADE: 1460 \| ADJ GRADE (+0): 1460 \| USED GRADE: 1570 \| EXP: 0.918 • JAINILL VADALIA \| 28248 \| J13 \| DRAW \| PUB GRADE: 1660 \| ADJ GRADE (+130): 1790 \| USED GRADE: 1790 \| EXP: 0.735 • MARVIN GERA \| 28464 \| J15 \| WIN \| PUB GRADE: 1753 \| ADJ GRADE (+100): 1853 \| USED GRADE: 1853 \| EXP: 0.659 • ESWAR THEAGARAJAN \| 30582 \| WIN \| PUB GRADE: 1500 \| ADJ GRADE (+0): 1500 \| USED GRADE: 1570 \| EXP: 0.918 • ANDREW N GREET \| 21675 \| LOSS \| PUB GRADE: 2486 \| ADJ GRADE (+0): 2486 \| USED GRADE: 2370 \| EXP: 0.082 • ANDREW MCCUSKER \| 21604 \| WIN \| PUB GRADE: 1786 \| ADJ GRADE (+0): 1786 \| USED GRADE: 1786 \| EXP: 0.739 • ROSS BLACKFORD \| 28276 \| J17 \| LOSS \| PUB GRADE: 1795 \| ADJ GRADE (+55): 1850 \| USED GRADE: 1850 \| EXP: 0.663 • DANIEL KITAEV \| 29122 \| J15 \| WIN \| PUB GRADE: 1756 \| ADJ GRADE (+100): 1856 \| USED GRADE: 1856 \| EXP: 0.655 • ANDREW MCCUSKER \| 21604 \| WIN \| PUB GRADE: 1786 \| ADJ GRADE (+0): 1786 \| USED GRADE: 1786 \| EXP: 0.739 • YEVGENI SPRENGER DE LA IGLESIA \| 31357 \| J14 \| WIN \| PUB GRADE: 1869 \| ADJ GRADE (+120): 1989 \| USED GRADE: 1989 \| EXP: 0.473 • HAROON MAJEED \| 30627 \| DRAW \| PUB GRADE: 1820 \| ADJ GRADE (+0): 1820 \| USED GRADE: 1820 \| EXP: 0.699 • TOM LEAH \| 30083 \| DRAW \| PUB GRADE: 1758 \| ADJ GRADE (+0): 1758 \| USED GRADE: 1758 \| EXP: 0.769 • ----- • CALCULATION STEPS: • 20 GRADABLE GAMES • QTY GRADABLE GAMES (G): 20 • ACTUAL SCORE (ACT): 14.5 • EXPECTED SCORE (EXP): 13.743 • PUBLISHED GRADE (PUB): 1970 • HIGHER OF G OR 30 (N): 30 • LOWER OF G OR 30 (n): 20 • CALCULATED DRIFT (D): 0.85 (to 2 d.p.) • APPLIED DRIFT (d): D x n / 30 = 0.85 x 20 / 30 = 1 (to 0 d.p.) • LIVE = PUB + (800 x (ACT - EXP) / N) + d • 1970 + (800 x (14.5 - 13.743) / 30) + 1 = 1991 (to 0 d.p.) • GRADE DELTA: +21 • LIVE GRADE: 1991 • *** • GRADING CRITERIA MET • PLAYER GRANTED LIVE GRADE OF 1991

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Rob Colston

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