Home
Grading
Newcomers
Women's Chess
Contacts
Forum
Policies
Search Players
Results
Giant Killers
Fide Rating
2600 Club
Website Admin
UsersJohn McKenna
PNUM: 5128
Clubs: Paisley & Queens Park
Status: A
Gender: M
Federation: SCO
Fide ID: 2413752
Standard: 1609 ⇒ 1586 (-23)
Allegro: 1611 ⇒ 1585 (-26)
Standard Games
| Rnd | Opponent | Stat | Pub | Adj | Used | Col | Res | ||
|---|---|---|---|---|---|---|---|---|---|
| 1 | Jacint Sitkei31152 | J13 | 1152 | 1282 | 1282 | W | ½ | ||
| 2 | Anika Munshi29438 | J10 | 1028 | 1168 | 1209 | B | 1 | ||
| 3 | York Edgar Cleave18752 | A | 1547 | 1547 | 1547 | W | 0 | ||
| 4 | Leo Olson26633 | J19 | - | - | 1502 | B | 1 | ||
| 5 | Murray Liu32146 | J9 | - | - | 1613 | W | 1 | ||
| 6 | Jordan J McNaught30208 | A | 1645 | 1645 | 1645 | B | 0 | ||
| 7 | Aiden McInally29942 | J19 | - | - | 1648 | W | 0 | ||
| 1 | Ronald Sutton32150 | V | 1041 | 1041 | 1209 | W | 1 | ||
| 2 | Richard G Carter7590 | A | 1704 | 1704 | 1704 | B | 0 | ||
| 3 | David Innes32156 | V | - | - | 1460 | W | 1 | ||
| 4 | Stephen H Smith6052 | A | 1599 | 1599 | 1599 | B | ½ | ||
| 5 | Matthew Dougherty32151 | V | 1635 | 1635 | 1635 | W | ½ | ||
Live Grade Calculation:
• JOHN MCKENNA• 5128
• GRADED PLAYER CALCULATION
• PUBLISHED GRADE: 1609
• STATUS: A
• *****
• RESULTS:
• JACINT SITKEI | 31152 | J13 | DRAW | PUB GRADE: 1152 | ADJ GRADE (+130): 1282 | USED GRADE: 1282 | EXP: 0.873
• ANIKA MUNSHI | 29438 | J10 | WIN | PUB GRADE: 1028 | ADJ GRADE (+140): 1168 | USED GRADE: 1209 | EXP: 0.918
• YORK EDGAR CLEAVE | 18752 | LOSS | PUB GRADE: 1547 | ADJ GRADE (+0): 1547 | USED GRADE: 1547 | EXP: 0.587
• LEO OLSON | 26633 | J19 | WIN | UNGRADED | EST GRADE: 1502 | USED GRADE: 1502 | EXP: 0.646
• MURRAY LIU | 32146 | J9 | WIN | UNGRADED | EST GRADE: 1613 | USED GRADE: 1613 | EXP: 0.494
• JORDAN J MCNAUGHT | 30208 | LOSS | PUB GRADE: 1645 | ADJ GRADE (+0): 1645 | USED GRADE: 1645 | EXP: 0.45
• AIDEN MCINALLY | 29942 | J19 | LOSS | UNGRADED | TEMP GRADE: 1648 | USED GRADE: 1648 | EXP: 0.445
• RONALD SUTTON | 32150 | V | WIN | PUB GRADE: 1041 | ADJ GRADE (+0): 1041 | USED GRADE: 1209 | EXP: 0.918
• RICHARD G CARTER | 7590 | LOSS | PUB GRADE: 1704 | ADJ GRADE (+0): 1704 | USED GRADE: 1704 | EXP: 0.37
• DAVID INNES | 32156 | V | WIN | UNGRADED | TEMP GRADE: 1460 | USED GRADE: 1460 | EXP: 0.698
• STEPHEN H SMITH | 6052 | DRAW | PUB GRADE: 1599 | ADJ GRADE (+0): 1599 | USED GRADE: 1599 | EXP: 0.514
• MATTHEW DOUGHERTY | 32151 | V | DRAW | PUB GRADE: 1635 | ADJ GRADE (+0): 1635 | USED GRADE: 1635 | EXP: 0.464
• -----
• CALCULATION STEPS:
• 12 GRADABLE GAMES
• QTY GRADABLE GAMES (G): 12
• ACTUAL SCORE (ACT): 6.5
• EXPECTED SCORE (EXP): 7.377
• PUBLISHED GRADE (PUB): 1609
• HIGHER OF G OR 30 (N): 30
• LOWER OF G OR 30 (n): 12
• CALCULATED DRIFT (D): -0.41 (to 2 d.p.)
• APPLIED DRIFT (d): D x n / 30 = -0.41 x 12 / 30 = -0 (to 0 d.p.)
• LIVE = PUB + (800 x (ACT - EXP) / N) + d
• 1609 + (800 x (6.5 - 7.377) / 30) - 0 = 1586 (to 0 d.p.)
• GRADE DELTA: -23
• LIVE GRADE: 1586
• *****
• GRADING CRITERIA MET
• PLAYER GRANTED LIVE GRADE OF 1586
Published Grade Calculation:
• JOHN MCKENNA• 5128
• GRADED PLAYER CALCULATION
• PUBLISHED GRADE: 1690
• STATUS: A
• *****
• RESULTS:
• MARVIN GERA | 28464 | J15 | DRAW | PUB GRADE: 1419 | ADJ GRADE (+100): 1519 | USED GRADE: 1519 | EXP: 0.724
• MEITING WANG | 29127 | J12 | DRAW | PUB GRADE: 152 | EST GRADE: 1173 | USED GRADE: 1290 | EXP: 0.918
• DEVESH SHARMA | 30159 | J8 | DRAW | UNGRADED | EST GRADE: 1712 | USED GRADE: 1712 | EXP: 0.469
• MARK J SMITH | 14266 | WIN | PUB GRADE: 1079 | ADJ GRADE (+0): 1079 | USED GRADE: 1290 | EXP: 0.918
• CALUM MCGILLIVRAY | 18587 | DRAW | PUB GRADE: 1630 | ADJ GRADE (+0): 1630 | USED GRADE: 1630 | EXP: 0.584
• THEODOROS VASILIADIS | 29586 | LOSS | PUB GRADE: 1862 | ADJ GRADE (+0): 1862 | USED GRADE: 1862 | EXP: 0.275
• SOFIA DOROSHENKO | 31556 | LOSS | PUB GRADE: 1701 | ADJ GRADE (+0): 1701 | USED GRADE: 1701 | EXP: 0.485
• JAINILL VADALIA | 28248 | J13 | LOSS | PUB GRADE: 1750 | ADJ GRADE (+130): 1880 | USED GRADE: 1880 | EXP: 0.254
• ALAN JELFS | 4482 | LOSS | PUB GRADE: 1801 | ADJ GRADE (+0): 1801 | USED GRADE: 1801 | EXP: 0.349
• ROBERT LOTHIAN | 4722 | LOSS | PUB GRADE: 1992 | ADJ GRADE (+0): 1992 | USED GRADE: 1992 | EXP: 0.147
• CHRIS JAMES | 18892 | LOSS | PUB GRADE: 1884 | ADJ GRADE (+0): 1884 | USED GRADE: 1884 | EXP: 0.249
• DONALD HERON | 4339 | LOSS | PUB GRADE: 1599 | ADJ GRADE (+0): 1599 | USED GRADE: 1599 | EXP: 0.624
• ALASTAIR G STEWART | 6114 | DRAW | PUB GRADE: 1576 | ADJ GRADE (+0): 1576 | USED GRADE: 1576 | EXP: 0.655
• ADITYA SRIVASTAVA | 29367 | J15 | LOSS | PUB GRADE: 1638 | ADJ GRADE (+100): 1738 | USED GRADE: 1738 | EXP: 0.433
• HARVEY DUKE | 16810 | WIN | PUB GRADE: 1309 | ADJ GRADE (+0): 1309 | USED GRADE: 1309 | EXP: 0.909
• HARRY FEATHER | 30193 | WIN | PUB GRADE: 1342 | ADJ GRADE (+0): 1342 | USED GRADE: 1342 | EXP: 0.887
• PHIL THOMAS | 15971 | DRAW | PUB GRADE: 1804 | ADJ GRADE (+0): 1804 | USED GRADE: 1804 | EXP: 0.345
• DEREK RANKINE | 29433 | DRAW | PUB GRADE: 1332 | ADJ GRADE (+0): 1332 | USED GRADE: 1332 | EXP: 0.893
• LOUIS CHENG | 29934 | J8 | LOSS | PUB GRADE: 1471 | EST GRADE: 1821 | USED GRADE: 1821 | EXP: 0.323
• KYLE LOPEZ HENDERSON | 31131 | J13 | DRAW | UNGRADED | EST GRADE: 1559 | USED GRADE: 1559 | EXP: 0.677
• JASON SHARKEY | 30835 | DRAW | UNGRADED | EST GRADE: 1556 | USED GRADE: 1556 | EXP: 0.681
• CARSTEN BOLLN | 15393 | LOSS | PUB GRADE: 1673 | ADJ GRADE (+0): 1673 | USED GRADE: 1673 | EXP: 0.524
• RICHARD A WEAMES | 6424 | WIN | PUB GRADE: 1434 | ADJ GRADE (+0): 1434 | USED GRADE: 1434 | EXP: 0.814
• JAMES R MONTGOMERY | 14510 | LOSS | PUB GRADE: 1923 | ADJ GRADE (+0): 1923 | USED GRADE: 1923 | EXP: 0.209
• MARC SHERIDAN | 20429 | WIN | PUB GRADE: 1440 | ADJ GRADE (+0): 1440 | USED GRADE: 1440 | EXP: 0.808
• IAN G BROWNLEE | 3323 | WIN | PUB GRADE: 1543 | ADJ GRADE (+0): 1543 | USED GRADE: 1543 | EXP: 0.695
• CHRISTOPHER YAPP | 30376 | NEW | DRAW | PUB GRADE: 1724 | ADJ GRADE (+40): 1764 | USED GRADE: 1764 | EXP: 0.397
• STEPHEN CONNOR | 7617 | WIN | PUB GRADE: 1283 | ADJ GRADE (+0): 1283 | USED GRADE: 1290 | EXP: 0.918
• JIM ROBERTSON | 5812 | WIN | PUB GRADE: 1333 | ADJ GRADE (+0): 1333 | USED GRADE: 1333 | EXP: 0.892
• MAX COCHRANE | 30098 | NEW | DRAW | PUB GRADE: 1649 | ADJ GRADE (+40): 1689 | USED GRADE: 1689 | EXP: 0.501
• KIERAN WELLS | 29940 | NEW | WIN | PUB GRADE: 1245 | ADJ GRADE (+40): 1285 | USED GRADE: 1290 | EXP: 0.918
• SEAN GROUNDWATER | 11326 | WIN | PUB GRADE: 1220 | ADJ GRADE (+0): 1220 | USED GRADE: 1290 | EXP: 0.918
• TUSHAR ROUL | 29366 | J14 | LOSS | PUB GRADE: 1548 | ADJ GRADE (+120): 1668 | USED GRADE: 1668 | EXP: 0.531
• CONNOR SIBBALD | 25091 | J18 | LOSS | PUB GRADE: 1445 | ADJ GRADE (+50): 1495 | USED GRADE: 1495 | EXP: 0.752
• J CRAIG T THOMSON | 6249 | WIN | PUB GRADE: 1583 | ADJ GRADE (+0): 1583 | USED GRADE: 1583 | EXP: 0.646
• KRISTAPS BAUMANIS | 29009 | LOSS | PUB GRADE: 1672 | ADJ GRADE (+0): 1672 | USED GRADE: 1672 | EXP: 0.525
• PETER D MACDONALD | 30023 | NEW | WIN | PUB GRADE: 1370 | ADJ GRADE (+40): 1410 | USED GRADE: 1410 | EXP: 0.834
• JOE JORDAN | 16794 | WIN | PUB GRADE: 1060 | ADJ GRADE (+0): 1060 | USED GRADE: 1290 | EXP: 0.918
• WILLIAM TOLAND | 6278 | LOSS | PUB GRADE: 1738 | ADJ GRADE (+0): 1738 | USED GRADE: 1738 | EXP: 0.433
• ADITYA JAIPURIA | 31772 | J9 | WIN | UNGRADED | TEMP GRADE: 779 | USED GRADE: 1290 | EXP: 0.918
• WULL SWALES | 30493 | NEW | WIN | PUB GRADE: 879 | ADJ GRADE (+40): 919 | USED GRADE: 919 | RESULT VOID DUE TO THE 735 RULE
• PHILIP L R BLABER | 3205 | WIN | PUB GRADE: 1269 | ADJ GRADE (+0): 1269 | USED GRADE: 1290 | EXP: 0.918
• THOMAS LALLY | 4635 | DRAW | PUB GRADE: 1557 | ADJ GRADE (+0): 1557 | USED GRADE: 1557 | EXP: 0.68
• THOMAS FOWLEY | 30541 | WIN | UNGRADED | EST GRADE: 1360 | USED GRADE: 1360 | EXP: 0.875
• ALISTAIR M AHMED | 7890 | LOSS | PUB GRADE: 1616 | ADJ GRADE (+0): 1616 | USED GRADE: 1616 | EXP: 0.603
• JACK GALLAGHER | 31728 | WIN | UNGRADED
• ROLAND A FRASER | 11177 | WIN | PUB GRADE: 1432 | ADJ GRADE (+0): 1432 | USED GRADE: 1432 | EXP: 0.816
• HUMAM AL DAKL ALLA | 29924 | J10 | LOSS | PUB GRADE: 1426 | ADJ GRADE (+140): 1566 | USED GRADE: 1566 | EXP: 0.668
• JIM ROBERTSON | 5812 | WIN | PUB GRADE: 1333 | ADJ GRADE (+0): 1333 | USED GRADE: 1333 | EXP: 0.892
• ANDREW W DAVIES | 3687 | LOSS | PUB GRADE: 1888 | ADJ GRADE (+0): 1888 | USED GRADE: 1888 | EXP: 0.245
• IAN A MARKS | 4866 | DRAW | PUB GRADE: 1793 | ADJ GRADE (+0): 1793 | USED GRADE: 1793 | EXP: 0.36
• BENJAMIN SAUNDERS | 6609 | WIN | PUB GRADE: 1437 | ADJ GRADE (+0): 1437 | USED GRADE: 1437 | EXP: 0.811
• RICHARD SMART | 30294 | NEW | WIN | PUB GRADE: 1052 | ADJ GRADE (+40): 1092 | USED GRADE: 1290 | EXP: 0.918
• PAUL FOTHERINGHAM | 30660 | NEW | WIN | PUB GRADE: 1262 | ADJ GRADE (+40): 1302 | USED GRADE: 1302 | EXP: 0.912
• STEVE THOMSON | 31861 | LOSS | UNGRADED | EST GRADE: 1430 | USED GRADE: 1430 | EXP: 0.818
• RAYMOND FLOOD | 3951 | WIN | PUB GRADE: 1442 | ADJ GRADE (+0): 1442 | USED GRADE: 1442 | EXP: 0.806
• GEORGE R MCROBERT | 5224 | DRAW | PUB GRADE: 1450 | ADJ GRADE (+0): 1450 | USED GRADE: 1450 | EXP: 0.798
• STUART NEAVE | 22715 | WIN | UNGRADED | EST GRADE: 1391 | USED GRADE: 1391 | EXP: 0.85
• EVE CLARK | 31473 | J18 | WIN | UNGRADED | EST GRADE: 1465 | USED GRADE: 1465 | EXP: 0.783
• KYLE LOPEZ HENDERSON | 31131 | J13 | WIN | UNGRADED | EST GRADE: 1559 | USED GRADE: 1559 | EXP: 0.677
• NICHOLAS WEBB | 29925 | DRAW | PUB GRADE: 1696 | ADJ GRADE (+0): 1696 | USED GRADE: 1696 | EXP: 0.492
• -----
• CALCULATION STEPS:
• 59 GRADABLE GAMES
• QTY GRADABLE GAMES (G): 59
• ACTUAL SCORE (ACT): 32.5
• EXPECTED SCORE (EXP): 38.872
• PUBLISHED GRADE (PUB): 1690
• HIGHER OF G OR 30 (N): 59
• 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
• 1690 + (800 x (32.5 - 38.872) / 59) + 5 = 1609 (to 0 d.p.)
• GRADE DELTA: -81
• LIVE GRADE: 1609
• *****
• GRADING CRITERIA MET
• PLAYER GRANTED LIVE GRADE OF 1609
• *****
• LIVE GRADE FROM THE 2024 SEASON BECOMES THE PUBLISHED GRADE FOR THE 2025 SEASON
• PLAYER GRANTED A PUBLISHED GRADE OF 1609
Allegro Games
| Rnd | Opponent | Stat | Pub | Adj | Used | Col | Res | ||
|---|---|---|---|---|---|---|---|---|---|
| 1 | Henry Spiers31221 | NEW | 718 | 758 | 758 | W | 1 | ||
| 2 | Thomas Wilson Aitken3022 | A | 1311 | 1311 | 1311 | B | ½ | ||
| 3 | Shravan Raghu30505 | NEW | - | - | 1334 | W | 1 | ||
| 4 | Antonios Floros3952 | A | 1775 | 1775 | 1775 | W | 0 | ||
| 5 | Sumanth Prakash30051 | J10 | 1285 | 1425 | 1425 | B | ½ | ||
| 6 | Pat O`Hanlon29989 | A | 1388 | 1388 | 1388 | B | ½ | ||
Live Grade Calculation:
• JOHN MCKENNA• 5128
• GRADED PLAYER CALCULATION
• PUBLISHED GRADE: 1611
• STATUS: A
• *****
• RESULTS:
• HENRY SPIERS | 31221 | NEW | WIN | PUB GRADE: 718 | ADJ GRADE (+40): 758 | USED GRADE: 758 | RESULT VOID DUE TO THE 735 RULE
• THOMAS WILSON AITKEN | 3022 | DRAW | PUB GRADE: 1311 | ADJ GRADE (+0): 1311 | USED GRADE: 1311 | EXP: 0.851
• SHRAVAN RAGHU | 30505 | NEW | WIN | UNGRADED | EST GRADE: 1334 | USED GRADE: 1334 | EXP: 0.832
• ANTONIOS FLOROS | 3952 | LOSS | PUB GRADE: 1775 | ADJ GRADE (+0): 1775 | USED GRADE: 1775 | EXP: 0.284
• SUMANTH PRAKASH | 30051 | J10 | DRAW | PUB GRADE: 1285 | ADJ GRADE (+140): 1425 | USED GRADE: 1425 | EXP: 0.741
• PAT O`HANLON | 29989 | DRAW | PUB GRADE: 1388 | ADJ GRADE (+0): 1388 | USED GRADE: 1388 | EXP: 0.781
• -----
• CALCULATION STEPS:
• 5 GRADABLE GAMES
• QTY GRADABLE GAMES (G): 5
• ACTUAL SCORE (ACT): 2.5
• EXPECTED SCORE (EXP): 3.489
• PUBLISHED GRADE (PUB): 1611
• HIGHER OF G OR 30 (N): 30
• LOWER OF G OR 30 (n): 5
• CALCULATED DRIFT (D): 0 (to 2 d.p.)
• APPLIED DRIFT (d): D x n / 30 = 0 x 5 / 30 = 0 (to 0 d.p.)
• LIVE = PUB + (800 x (ACT - EXP) / N) + d
• 1611 + (800 x (2.5 - 3.489) / 30) + 0 = 1585 (to 0 d.p.)
• GRADE DELTA: -26
• LIVE GRADE: 1585
• *****
• GRADING CRITERIA MET
• PLAYER GRANTED LIVE GRADE OF 1585
Published Grade Calculation:
• JOHN MCKENNA• 5128
• GRADED PLAYER CALCULATION
• PUBLISHED GRADE: 1690
• STATUS: A
• *****
• RESULTS:
• THOMAS LO | 4708 | WIN | PUB GRADE: 1271 | ADJ GRADE (+0): 1271 | USED GRADE: 1290 | EXP: 0.918
• ISAAC BROWNING | 28848 | DRAW | PUB GRADE: 1952 | ADJ GRADE (+0): 1952 | USED GRADE: 1952 | EXP: 0.18
• MAX N TURNER | 24271 | J20 | LOSS | PUB GRADE: 2107 | ADJ GRADE (+40): 2147 | USED GRADE: 2090 | EXP: 0.082
• EUAN MCDIARMID | 30020 | J16 | LOSS | PUB GRADE: 1548 | ADJ GRADE (+80): 1628 | USED GRADE: 1628 | EXP: 0.587
• CHRISTOPHER NIELD | 28934 | J19 | DRAW | PUB GRADE: 1375 | ADJ GRADE (+45): 1420 | USED GRADE: 1420 | EXP: 0.826
• RISHI KUMAR | 30828 | J14 | LOSS | PUB GRADE: 1254 | ADJ GRADE (+120): 1374 | USED GRADE: 1374 | EXP: 0.865
• JORDAN J MCNAUGHT | 30208 | WIN | PUB GRADE: 1420 | ADJ GRADE (+0): 1420 | USED GRADE: 1420 | EXP: 0.826
• WILLIAM YOUNG | 8259 | DRAW | PUB GRADE: 1037 | ADJ GRADE (+0): 1037 | USED GRADE: 1290 | EXP: 0.918
• DEREK MCCORMACK | 8860 | LOSS | PUB GRADE: 1703 | ADJ GRADE (+0): 1703 | USED GRADE: 1703 | EXP: 0.482
• CALUM MCGILLIVRAY | 18587 | LOSS | PUB GRADE: 1587 | ADJ GRADE (+0): 1587 | USED GRADE: 1587 | EXP: 0.64
• KRISHIV GANESH | 30549 | J8 | WIN | PUB GRADE: 396 | ADJ GRADE (+140): 536 | USED GRADE: 536 | RESULT VOID DUE TO THE 735 RULE
• ROB COLSTON | 18347 | LOSS | PUB GRADE: 1970 | ADJ GRADE (+0): 1970 | USED GRADE: 1970 | EXP: 0.166
• DEREK RANKINE | 29433 | WIN | PUB GRADE: 1073 | ADJ GRADE (+0): 1073 | USED GRADE: 1290 | EXP: 0.918
• ROSIE A GIULIAN | 4094 | LOSS | PUB GRADE: 1820 | ADJ GRADE (+0): 1820 | USED GRADE: 1820 | EXP: 0.324
• IAIN A SHIELDS | 30127 | WIN | PUB GRADE: 1142 | ADJ GRADE (+0): 1142 | USED GRADE: 1290 | EXP: 0.918
• JORDAN J MCNAUGHT | 30208 | WIN | PUB GRADE: 1420 | ADJ GRADE (+0): 1420 | USED GRADE: 1420 | EXP: 0.826
• -----
• CALCULATION STEPS:
• 15 GRADABLE GAMES
• QTY GRADABLE GAMES (G): 15
• ACTUAL SCORE (ACT): 6.5
• EXPECTED SCORE (EXP): 9.476
• PUBLISHED GRADE (PUB): 1690
• 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
• 1690 + (800 x (6.5 - 9.476) / 30) + 0 = 1611 (to 0 d.p.)
• GRADE DELTA: -79
• LIVE GRADE: 1611
• *****
• GRADING CRITERIA MET
• PLAYER GRANTED LIVE GRADE OF 1611
• *****
• LIVE GRADE FROM THE 2024 SEASON BECOMES THE PUBLISHED GRADE FOR THE 2025 SEASON
• PLAYER GRANTED A PUBLISHED GRADE OF 1611
Not listed at Blitz.