Home
Grading
Newcomers
Women's Chess
Contacts
Forum
Policies
Search Players
Results
Giant Killers
Fide Rating
2600 Club
UsersChris Cotton
PNUM: 29802
Club: Bearsden
Status: A
Gender: M
Fide ID: 2411679
Standard: 1202 ⇒ 1176 (-26)
Allegro: 1218 ⇒ 1221 (+3)
Standard Games
| Rnd | Opponent | Stat | Pub | Adj | Used | Col | Res | ||
|---|---|---|---|---|---|---|---|---|---|
| 1 | Vihaa Vadalia29676 | J10 | 1013 | 1153 | 1153 | W | 0 | ||
| 9 | Niall Kennedy30008 | A | 1276 | 1276 | 1276 | W | 0 | ||
| 12 | Gerry Cowan32239 | A | - | - | - | B | 0 | ||
Live Grade Calculation:
• CHRIS COTTON• 29802
• GRADED PLAYER CALCULATION
• PUBLISHED GRADE: 1202
• STATUS: A
• *****
• RESULTS:
• VIHAA VADALIA | 29676 | J10 | LOSS | PUB GRADE: 1013 | ADJ GRADE (+140): 1153 | USED GRADE: 1153 | EXP: 0.569
• NIALL KENNEDY | 30008 | LOSS | PUB GRADE: 1276 | ADJ GRADE (+0): 1276 | USED GRADE: 1276 | EXP: 0.397
• GERRY COWAN | 32239 | LOSS | UNGRADED
• -----
• CALCULATION STEPS:
• 2 GRADABLE GAMES
• QTY GRADABLE GAMES (G): 2
• ACTUAL SCORE (ACT): 0.0
• EXPECTED SCORE (EXP): 0.966
• PUBLISHED GRADE (PUB): 1202
• HIGHER OF G OR 30 (N): 30
• LOWER OF G OR 30 (n): 2
• CALCULATED DRIFT (D): 1.32 (to 2 d.p.)
• APPLIED DRIFT (d): D x n / 30 = 1.32 x 2 / 30 = 0 (to 0 d.p.)
• LIVE = PUB + (800 x (ACT - EXP) / N) + d
• 1202 + (800 x (0.0 - 0.966) / 30) + 0 = 1176 (to 0 d.p.)
• GRADE DELTA: -26
• LIVE GRADE: 1176
• *****
• GRADING CRITERIA MET
• PLAYER GRANTED LIVE GRADE OF 1176
Published Grade Calculation:
• CHRIS COTTON• 29802
• GRADED PLAYER CALCULATION
• PUBLISHED GRADE: 1149
• STATUS: A
• *****
• RESULTS:
• ARNAV DAK | 31209 | J14 | WIN | UNGRADED | TEMP GRADE: 1314 | USED GRADE: 1314 | EXP: 0.283
• ANDREW MCCULLOCH | 17397 | DRAW | PUB GRADE: 1118 | ADJ GRADE (+0): 1118 | USED GRADE: 1118 | EXP: 0.543
• ALAGU NAACHIAPPAN KARTHICK | 29505 | J12 | LOSS | PUB GRADE: 650 | EST GRADE: 1537 | USED GRADE: 1537 | EXP: 0.088
• BENJAMIN MOUSSERIE | 31555 | LOSS | UNGRADED | TEMP GRADE: 1227 | USED GRADE: 1227 | EXP: 0.392
• THOMAS MANN | 30055 | LOSS | UNGRADED
• LEWIS GEMMELL | 29772 | J14 | WIN | PUB GRADE: 504 | ADJ GRADE (+120): 624 | USED GRADE: 749 | EXP: 0.918
• RHYS MCCROSSON | 21825 | LOSS | PUB GRADE: 1582 | ADJ GRADE (+0): 1582 | USED GRADE: 1549 | EXP: 0.082
• SCOTT MCCARTNEY | 31472 | WIN | UNGRADED | EST GRADE: 1200 | USED GRADE: 1200 | EXP: 0.429
• LEWIS BROOKENS | 14758 | WIN | PUB GRADE: 1739 | ADJ GRADE (+0): 1739 | USED GRADE: 1549 | EXP: 0.082
• ALAN KOVALEVSKIJ | 31774 | J14 | LOSS | UNGRADED | EST GRADE: 1249 | USED GRADE: 1249 | EXP: 0.364
• AINESH KONDABOLU | 29975 | J13 | WIN | UNGRADED
• WILLIAM MAIER | 31916 | J16 | WIN | UNGRADED | EST GRADE: 1260 | USED GRADE: 1260 | EXP: 0.349
• STUART MCKINNEY | 5147 | DRAW | PUB GRADE: 1464 | ADJ GRADE (+0): 1464 | USED GRADE: 1464 | EXP: 0.136
• ANGUS G RUTHVEN | 5883 | LOSS | PUB GRADE: 1197 | ADJ GRADE (+0): 1197 | USED GRADE: 1197 | EXP: 0.433
• J MEL BURT | 3365 | LOSS | PUB GRADE: 1552 | ADJ GRADE (+0): 1552 | USED GRADE: 1549 | EXP: 0.082
• DAVID A WATT | 6416 | LOSS | PUB GRADE: 1828 | ADJ GRADE (+0): 1828 | USED GRADE: 1549 | EXP: 0.082
• ALLAN THOMPSON | 30632 | LOSS | UNGRADED | EST GRADE: 1486 | USED GRADE: 1486 | EXP: 0.121
• WILLIAM KELLY | 31620 | WIN | UNGRADED
• ISHAN KUMAR | 27691 | J15 | LOSS | PUB GRADE: 1575 | ADJ GRADE (+100): 1675 | USED GRADE: 1549 | EXP: 0.082
• MALCOLM W THEODORESON | 6223 | LOSS | PUB GRADE: 1360 | ADJ GRADE (+0): 1360 | USED GRADE: 1360 | EXP: 0.232
• PHILIP L R BLABER | 3205 | WIN | PUB GRADE: 1269 | ADJ GRADE (+0): 1269 | USED GRADE: 1269 | EXP: 0.337
• ANDREW LEWTHWAITE | 22493 | J19 | LOSS | PUB GRADE: 1240 | ADJ GRADE (+45): 1285 | USED GRADE: 1285 | EXP: 0.317
• JIM O`NEILL | 28523 | WIN | PUB GRADE: 1210 | ADJ GRADE (+0): 1210 | USED GRADE: 1210 | EXP: 0.415
• ROSS CAMERON | 30165 | NEW | LOSS | PUB GRADE: 1419 | ADJ GRADE (+40): 1459 | USED GRADE: 1459 | EXP: 0.14
• CHRISTOPHER CONKIE | 10200 | WIN | PUB GRADE: 1026 | ADJ GRADE (+0): 1026 | USED GRADE: 1026 | EXP: 0.667
• ALEX H MCFARLANE | 5036 | LOSS | PUB GRADE: 1497 | ADJ GRADE (+0): 1497 | USED GRADE: 1497 | EXP: 0.113
• MARK DEENEY | 30539 | WIN | UNGRADED | EST GRADE: 1181 | USED GRADE: 1181 | EXP: 0.455
• J MEL BURT | 3365 | LOSS | PUB GRADE: 1552 | ADJ GRADE (+0): 1552 | USED GRADE: 1549 | EXP: 0.082
• CARRICK SIMPSON | 24169 | J19 | LOSS | UNGRADED | EST GRADE: 1565 | USED GRADE: 1549 | EXP: 0.082
• EVE CLARK | 31473 | J18 | LOSS | UNGRADED | EST GRADE: 1465 | USED GRADE: 1465 | EXP: 0.135
• KAM WAN | 28918 | WIN | PUB GRADE: 1586 | ADJ GRADE (+0): 1586 | USED GRADE: 1549 | EXP: 0.082
• WILLIAM HARKINS | 17298 | LOSS | PUB GRADE: 1453 | ADJ GRADE (+0): 1453 | USED GRADE: 1453 | EXP: 0.145
• GEORGE R MCROBERT | 5224 | LOSS | PUB GRADE: 1450 | ADJ GRADE (+0): 1450 | USED GRADE: 1450 | EXP: 0.148
• YUSHU HUANG | 30969 | J9 | LOSS | UNGRADED | EST GRADE: 1184 | USED GRADE: 1184 | EXP: 0.451
• TOM WYMER | 31952 | LOSS | UNGRADED | TEMP GRADE: 899 | USED GRADE: 899 | EXP: 0.808
• -----
• CALCULATION STEPS:
• 32 GRADABLE GAMES
• QTY GRADABLE GAMES (G): 32
• ACTUAL SCORE (ACT): 11.0
• EXPECTED SCORE (EXP): 9.075
• PUBLISHED GRADE (PUB): 1149
• HIGHER OF G OR 30 (N): 32
• LOWER OF G OR 30 (n): 30
• CALCULATED DRIFT (D): 4.63 (to 2 d.p.)
• APPLIED DRIFT (d): D x n / 30 = 4.63 x 30 / 30 = 5 (to 0 d.p.)
• LIVE = PUB + (800 x (ACT - EXP) / N) + d
• 1149 + (800 x (11.0 - 9.075) / 32) + 5 = 1202 (to 0 d.p.)
• GRADE DELTA: +53
• LIVE GRADE: 1202
• *****
• GRADING CRITERIA MET
• PLAYER GRANTED LIVE GRADE OF 1202
• *****
• LIVE GRADE FROM THE 2024 SEASON BECOMES THE PUBLISHED GRADE FOR THE 2025 SEASON
• PLAYER GRANTED A PUBLISHED GRADE OF 1202
Allegro Games
| Rnd | Opponent | Stat | Pub | Adj | Used | Col | Res | ||
|---|---|---|---|---|---|---|---|---|---|
| 1 | Rabindra Paul10019 | A | 1768 | 1768 | 1618 | B | 0 | ||
| 2 | Christopher Nield28934 | J20 | 1461 | 1501 | 1501 | W | 0 | ||
| 3 | Iain A Shields30127 | A | 1100 | 1100 | 1100 | B | 0 | ||
| 4 | Yushu Huang30969 | J10 | 1052 | 1192 | 1192 | B | 1 | ||
| 5 | Andy Chisholm30859 | NEW | 1226 | 1266 | 1266 | W | 1 | ||
Live Grade Calculation:
• CHRIS COTTON• 29802
• GRADED PLAYER CALCULATION
• PUBLISHED GRADE: 1218
• STATUS: A
• *****
• RESULTS:
• RABINDRA PAUL | 10019 | LOSS | PUB GRADE: 1768 | ADJ GRADE (+0): 1768 | USED GRADE: 1618 | EXP: 0.082
• CHRISTOPHER NIELD | 28934 | J20 | LOSS | PUB GRADE: 1461 | ADJ GRADE (+40): 1501 | USED GRADE: 1501 | EXP: 0.163
• IAIN A SHIELDS | 30127 | LOSS | PUB GRADE: 1100 | ADJ GRADE (+0): 1100 | USED GRADE: 1100 | EXP: 0.66
• YUSHU HUANG | 30969 | J10 | WIN | PUB GRADE: 1052 | ADJ GRADE (+140): 1192 | USED GRADE: 1192 | EXP: 0.536
• ANDY CHISHOLM | 30859 | NEW | WIN | PUB GRADE: 1226 | ADJ GRADE (+40): 1266 | USED GRADE: 1266 | EXP: 0.433
• -----
• CALCULATION STEPS:
• 5 GRADABLE GAMES
• QTY GRADABLE GAMES (G): 5
• ACTUAL SCORE (ACT): 2.0
• EXPECTED SCORE (EXP): 1.874
• PUBLISHED GRADE (PUB): 1218
• HIGHER OF G OR 30 (N): 30
• LOWER OF G OR 30 (n): 5
• CALCULATED DRIFT (D): 0.62 (to 2 d.p.)
• APPLIED DRIFT (d): D x n / 30 = 0.62 x 5 / 30 = 0 (to 0 d.p.)
• LIVE = PUB + (800 x (ACT - EXP) / N) + d
• 1218 + (800 x (2.0 - 1.874) / 30) + 0 = 1221 (to 0 d.p.)
• GRADE DELTA: +3
• LIVE GRADE: 1221
• *****
• GRADING CRITERIA MET
• PLAYER GRANTED LIVE GRADE OF 1221
Published Grade Calculation:
• CHRIS COTTON• 29802
• GRADED PLAYER CALCULATION
• PUBLISHED GRADE: 1258
• STATUS: A
• *****
• RESULTS:
• CHRIS R HAMPTON | 4243 | WIN | PUB GRADE: 814 | ADJ GRADE (+0): 814 | USED GRADE: 858 | EXP: 0.918
• DEREK RANKINE | 29433 | DRAW | PUB GRADE: 1073 | ADJ GRADE (+0): 1073 | USED GRADE: 1073 | EXP: 0.74
• IAIN A SHIELDS | 30127 | WIN | PUB GRADE: 1142 | ADJ GRADE (+0): 1142 | USED GRADE: 1142 | EXP: 0.657
• ALAGU NAACHIAPPAN KARTHICK | 29505 | J12 | LOSS | PUB GRADE: 1230 | EST GRADE: 1494 | USED GRADE: 1494 | EXP: 0.206
• NICHOLAS REID | 25302 | J17 | WIN | PUB GRADE: 988 | ADJ GRADE (+55): 1043 | USED GRADE: 1043 | EXP: 0.772
• JOSHUA REID | 25300 | J17 | WIN | PUB GRADE: 974 | ADJ GRADE (+55): 1029 | USED GRADE: 1029 | EXP: 0.787
• SAI YASHASWIN BOLLABATHULA | 29868 | J15 | WIN | PUB GRADE: 325 | ADJ GRADE (+100): 425 | USED GRADE: 425 | RESULT VOID DUE TO THE 735 RULE
• TRISTAN I DEL MAR | 29952 | J11 | LOSS | PUB GRADE: 1332 | ADJ GRADE (+140): 1472 | USED GRADE: 1472 | EXP: 0.229
• JACINT SITKEI | 31152 | J12 | LOSS | UNGRADED | EST GRADE: 1160 | USED GRADE: 1160 | EXP: 0.634
• PETER WOOLLVEN | 28644 | WIN | PUB GRADE: 990 | ADJ GRADE (+0): 990 | USED GRADE: 990 | EXP: 0.824
• JAMES WANDS | 30150 | DRAW | PUB GRADE: 916 | ADJ GRADE (+0): 916 | USED GRADE: 916 | EXP: 0.883
• SANDY LOPEZ HENDERSON | 31444 | J10 | WIN | UNGRADED | EST GRADE: 433 | USED GRADE: 858 | EXP: 0.918
• WILLIAM HARKINS | 17298 | DRAW | PUB GRADE: 1478 | ADJ GRADE (+0): 1478 | USED GRADE: 1478 | EXP: 0.223
• HUMAM AL DAKL ALLA | 29924 | J10 | LOSS | PUB GRADE: 1292 | ADJ GRADE (+140): 1432 | USED GRADE: 1432 | EXP: 0.272
• PETER SWAN | 16667 | DRAW | UNGRADED | EST GRADE: 965 | USED GRADE: 965 | EXP: 0.845
• OSCAR YIP | 31079 | J11 | LOSS | PUB GRADE: 727 | EST GRADE: 1178 | USED GRADE: 1178 | EXP: 0.61
• -----
• CALCULATION STEPS:
• 15 GRADABLE GAMES
• QTY GRADABLE GAMES (G): 15
• ACTUAL SCORE (ACT): 8.0
• EXPECTED SCORE (EXP): 9.518
• PUBLISHED GRADE (PUB): 1258
• HIGHER OF G OR 30 (N): 30
• LOWER OF G OR 30 (n): 15
• CALCULATED DRIFT (D): 0.85 (to 2 d.p.)
• APPLIED DRIFT (d): D x n / 30 = 0.85 x 15 / 30 = 0 (to 0 d.p.)
• LIVE = PUB + (800 x (ACT - EXP) / N) + d
• 1258 + (800 x (8.0 - 9.518) / 30) + 0 = 1218 (to 0 d.p.)
• GRADE DELTA: -40
• LIVE GRADE: 1218
• *****
• GRADING CRITERIA MET
• PLAYER GRANTED LIVE GRADE OF 1218
• *****
• LIVE GRADE FROM THE 2024 SEASON BECOMES THE PUBLISHED GRADE FOR THE 2025 SEASON
• PLAYER GRANTED A PUBLISHED GRADE OF 1218
Not listed at Blitz.