Home
Grading
Newcomers
Women's Chess
Contacts
Forum
Policies
Search Players
Results
Giant Killers
Fide Rating
2600 Club
UsersDavid C Montgomery
PNUM: 10572
Clubs: Edinburgh & Wandering Dragons
Status: A
Gender: M
Federation: SCO
Fide ID: 2412322
Standard: 1557 ⇒ 1586 (+29)
Allegro: 1542 ⇒ 1548 (+6)
Standard Games
| Rnd | Opponent | Stat | Pub | Adj | Used | Col | Res | ||
|---|---|---|---|---|---|---|---|---|---|
| 1 | Jake M Sanger22551 | J20 | 2122 | 2162 | 1957 | B | 0 | ||
| 2 | Adam Walkowiak20808 | A | 1502 | 1502 | 1502 | W | 1 | ||
| 3 | Jonathan McKay24546 | A | 1941 | 1941 | 1941 | B | 0 | ||
| 4 | Aadith Prabhu30095 | J10 | 1370 | - | 1683 | W | ½ | ||
| 5 | Alex MacDonald28004 | J19 | 1931 | 1976 | 1957 | B | 0 | ||
| 1 | Ian G Matthew28057 | V | 1785 | 1785 | 1785 | W | ½ | ||
| 2 | Yushu Huang30969 | J10 | 1184 | 1324 | 1324 | B | 1 | ||
| 3 | Alex Keenan24620 | A | 1721 | 1721 | 1721 | W | 0 | ||
| 4 | Antonios Floros3952 | A | 1775 | 1775 | 1775 | B | 0 | ||
| 5 | Douglas Cairns3381 | A | 1372 | 1372 | 1372 | W | 1 | ||
| 5 | Calum McGillivray18587 | A | 1717 | 1717 | 1717 | W | ½ | ||
| 6 | Alex Fisher3931 | A | 1284 | 1284 | 1284 | B | 1 | ||
| 1 | Tristan I Del Mar29952 | J12 | 1749 | 1889 | 1889 | B | ½ | ||
| 2 | Daniel R Thomas15990 | A | 1771 | 1771 | 1771 | W | 0 | ||
| 3 | Yushu Huang30969 | J10 | 1184 | 1324 | 1324 | W | 1 | ||
| 4 | Neville R Pearce31595 | V | 1680 | 1680 | 1680 | B | 0 | ||
| 5 | Dagan Lev32333 | A | - | - | 1594 | W | ½ | ||
Live Grade Calculation:
• DAVID C MONTGOMERY• 10572
• GRADED PLAYER CALCULATION
• PUBLISHED GRADE: 1557
• STATUS: A
• *****
• RESULTS:
• JAKE M SANGER | 22551 | J20 | LOSS | PUB GRADE: 2122 | ADJ GRADE (+40): 2162 | USED GRADE: 1957 | EXP: 0.082
• ADAM WALKOWIAK | 20808 | WIN | PUB GRADE: 1502 | ADJ GRADE (+0): 1502 | USED GRADE: 1502 | EXP: 0.577
• JONATHAN MCKAY | 24546 | LOSS | PUB GRADE: 1941 | ADJ GRADE (+0): 1941 | USED GRADE: 1941 | EXP: 0.09
• AADITH PRABHU | 30095 | J10 | DRAW | PUB GRADE: 1370 | EST GRADE: 1683 | USED GRADE: 1683 | EXP: 0.33
• ALEX MACDONALD | 28004 | J19 | LOSS | PUB GRADE: 1931 | ADJ GRADE (+45): 1976 | USED GRADE: 1957 | EXP: 0.082
• IAN G MATTHEW | 28057 | V | DRAW | PUB GRADE: 1785 | ADJ GRADE (+0): 1785 | USED GRADE: 1785 | EXP: 0.214
• YUSHU HUANG | 30969 | J10 | WIN | PUB GRADE: 1184 | ADJ GRADE (+140): 1324 | USED GRADE: 1324 | EXP: 0.791
• ALEX KEENAN | 24620 | LOSS | PUB GRADE: 1721 | ADJ GRADE (+0): 1721 | USED GRADE: 1721 | EXP: 0.284
• ANTONIOS FLOROS | 3952 | LOSS | PUB GRADE: 1775 | ADJ GRADE (+0): 1775 | USED GRADE: 1775 | EXP: 0.225
• DOUGLAS CAIRNS | 3381 | WIN | PUB GRADE: 1372 | ADJ GRADE (+0): 1372 | USED GRADE: 1372 | EXP: 0.74
• CALUM MCGILLIVRAY | 18587 | DRAW | PUB GRADE: 1717 | ADJ GRADE (+0): 1717 | USED GRADE: 1717 | EXP: 0.289
• ALEX FISHER | 3931 | WIN | PUB GRADE: 1284 | ADJ GRADE (+0): 1284 | USED GRADE: 1284 | EXP: 0.828
• TRISTAN I DEL MAR | 29952 | J12 | DRAW | PUB GRADE: 1749 | ADJ GRADE (+140): 1889 | USED GRADE: 1889 | EXP: 0.124
• DANIEL R THOMAS | 15990 | LOSS | PUB GRADE: 1771 | ADJ GRADE (+0): 1771 | USED GRADE: 1771 | EXP: 0.229
• YUSHU HUANG | 30969 | J10 | WIN | PUB GRADE: 1184 | ADJ GRADE (+140): 1324 | USED GRADE: 1324 | EXP: 0.791
• NEVILLE R PEARCE | 31595 | V | LOSS | PUB GRADE: 1680 | ADJ GRADE (+0): 1680 | USED GRADE: 1680 | EXP: 0.333
• DAGAN LEV | 32333 | DRAW | UNGRADED | TEMP GRADE: 1594 | USED GRADE: 1594 | EXP: 0.448
• -----
• CALCULATION STEPS:
• 17 GRADABLE GAMES
• QTY GRADABLE GAMES (G): 17
• ACTUAL SCORE (ACT): 7.5
• EXPECTED SCORE (EXP): 6.457
• PUBLISHED GRADE (PUB): 1557
• HIGHER OF G OR 30 (N): 30
• LOWER OF G OR 30 (n): 17
• CALCULATED DRIFT (D): 0.93 (to 2 d.p.)
• APPLIED DRIFT (d): D x n / 30 = 0.93 x 17 / 30 = 1 (to 0 d.p.)
• LIVE = PUB + (800 x (ACT - EXP) / N) + d
• 1557 + (800 x (7.5 - 6.457) / 30) + 1 = 1586 (to 0 d.p.)
• GRADE DELTA: +29
• LIVE GRADE: 1586
• *****
• GRADING CRITERIA MET
• PLAYER GRANTED LIVE GRADE OF 1586
Published Grade Calculation:
• DAVID C MONTGOMERY• 10572
• GRADED PLAYER CALCULATION
• PUBLISHED GRADE: 1575
• STATUS: A
• *****
• RESULTS:
• MICHAEL ANDERSON | 3052 | DRAW | PUB GRADE: 1244 | ADJ GRADE (+0): 1244 | USED GRADE: 1244 | EXP: 0.876
• HUNTER MACKAY | 24788 | WIN | UNGRADED | EST GRADE: 1517 | USED GRADE: 1517 | EXP: 0.581
• KEVIN LEE | 30472 | LOSS | UNGRADED | EST GRADE: 1542 | USED GRADE: 1542 | EXP: 0.546
• JONATHAN KINNELL | 31216 | J18 | WIN | UNGRADED | EST GRADE: 1407 | USED GRADE: 1407 | EXP: 0.721
• CHRIS SYKES | 12843 | LOSS | PUB GRADE: 1766 | ADJ GRADE (+0): 1766 | USED GRADE: 1766 | EXP: 0.253
• SIEGRUN MACGILCHRIST | 4775 | DRAW | PUB GRADE: 1475 | ADJ GRADE (+0): 1475 | USED GRADE: 1475 | EXP: 0.636
• YVONNE ENOCH | 12474 | DRAW | PUB GRADE: 1080 | ADJ GRADE (+0): 1080 | USED GRADE: 1175 | EXP: 0.918
• WILLIAM KENNY | 31594 | V | WIN | PUB GRADE: 1713 | ADJ GRADE (+0): 1713 | USED GRADE: 1713 | EXP: 0.315
• MICHAEL RIDGE | 15018 | LOSS | PUB GRADE: 1843 | ADJ GRADE (+0): 1843 | USED GRADE: 1843 | EXP: 0.176
• LUKASZ NOWAK | 28926 | DRAW | PUB GRADE: 1733 | ADJ GRADE (+0): 1733 | USED GRADE: 1733 | EXP: 0.291
• ALAN JELFS | 4482 | DRAW | PUB GRADE: 1801 | ADJ GRADE (+0): 1801 | USED GRADE: 1801 | EXP: 0.216
• ALEX KEENAN | 24620 | LOSS | PUB GRADE: 1675 | ADJ GRADE (+0): 1675 | USED GRADE: 1675 | EXP: 0.364
• KANISHKA BHATIA | 29848 | J13 | LOSS | PUB GRADE: 1580 | ADJ GRADE (+130): 1710 | USED GRADE: 1710 | EXP: 0.318
• STUART DUFF | 30392 | WIN | UNGRADED | EST GRADE: 1367 | USED GRADE: 1367 | EXP: 0.765
• SHEA MCPHERSON | 21380 | LOSS | PUB GRADE: 1637 | ADJ GRADE (+0): 1637 | USED GRADE: 1637 | EXP: 0.413
• SEAMUS BURKE | 31865 | DRAW | UNGRADED | EST GRADE: 1531 | USED GRADE: 1531 | EXP: 0.562
• STEVE THOMSON | 31861 | LOSS | UNGRADED | EST GRADE: 1430 | USED GRADE: 1430 | EXP: 0.693
• CHARLES NISBET | 10970 | WIN | PUB GRADE: 1479 | ADJ GRADE (+0): 1479 | USED GRADE: 1479 | EXP: 0.631
• MICHAEL RIDGE | 15018 | LOSS | PUB GRADE: 1843 | ADJ GRADE (+0): 1843 | USED GRADE: 1843 | EXP: 0.176
• GRAEME R RUSSELL | 8748 | LOSS | PUB GRADE: 1405 | ADJ GRADE (+0): 1405 | USED GRADE: 1405 | EXP: 0.723
• RICHARD SCOTT | 5921 | LOSS | PUB GRADE: 1692 | ADJ GRADE (+0): 1692 | USED GRADE: 1692 | EXP: 0.341
• ANDREW CLARK | 21109 | WIN | PUB GRADE: 1359 | ADJ GRADE (+0): 1359 | USED GRADE: 1359 | EXP: 0.773
• NEIL IRVING | 12666 | LOSS | PUB GRADE: 1741 | ADJ GRADE (+0): 1741 | USED GRADE: 1741 | EXP: 0.282
• ROBIN H MURRAY | 5442 | WIN | PUB GRADE: 1460 | ADJ GRADE (+0): 1460 | USED GRADE: 1460 | EXP: 0.656
• NATHANIEL FORBES INSKIP | 29976 | LOSS | PUB GRADE: 1655 | ADJ GRADE (+0): 1655 | USED GRADE: 1655 | EXP: 0.39
• JOHN WILLIAMSON | 6488 | WIN | PUB GRADE: 1424 | ADJ GRADE (+0): 1424 | USED GRADE: 1424 | EXP: 0.7
• ALISTAIR FORBES | 8254 | WIN | PUB GRADE: 1592 | ADJ GRADE (+0): 1592 | USED GRADE: 1592 | EXP: 0.476
• ALAN C PETRIE | 5623 | LOSS | PUB GRADE: 1572 | ADJ GRADE (+0): 1572 | USED GRADE: 1572 | EXP: 0.504
• JOSHUA CROFTS | 28207 | DRAW | PUB GRADE: 1629 | ADJ GRADE (+0): 1629 | USED GRADE: 1629 | EXP: 0.424
• TAVISH RAILWANI | 29428 | J9 | LOSS | PUB GRADE: 1370 | ADJ GRADE (+140): 1510 | USED GRADE: 1510 | EXP: 0.591
• PETER J DORIS | 3774 | WIN | PUB GRADE: 1351 | ADJ GRADE (+0): 1351 | USED GRADE: 1351 | EXP: 0.782
• CHRISTOPHER NIELD | 28934 | J19 | WIN | PUB GRADE: 1417 | ADJ GRADE (+45): 1462 | USED GRADE: 1462 | EXP: 0.654
• COLIN C PATERSON | 5582 | WIN | PUB GRADE: 1508 | ADJ GRADE (+0): 1508 | USED GRADE: 1508 | EXP: 0.593
• ADAM CLARK | 31700 | J18 | DRAW | UNGRADED | EST GRADE: 1614 | USED GRADE: 1614 | EXP: 0.445
• ROSS VEERMAN | 31469 | WIN | UNGRADED | EST GRADE: 1153 | USED GRADE: 1175 | EXP: 0.918
• CHRIS SYKES | 12843 | DRAW | PUB GRADE: 1766 | ADJ GRADE (+0): 1766 | USED GRADE: 1766 | EXP: 0.253
• CALUM MCGILLIVRAY | 18587 | LOSS | PUB GRADE: 1630 | ADJ GRADE (+0): 1630 | USED GRADE: 1630 | EXP: 0.423
• GRAHAM WILSON | 27698 | DRAW | PUB GRADE: 1543 | ADJ GRADE (+0): 1543 | USED GRADE: 1543 | EXP: 0.545
• BERISLAV MARUSIC | 30100 | NEW | WIN | PUB GRADE: 1627 | ADJ GRADE (+40): 1667 | USED GRADE: 1667 | EXP: 0.374
• IAIN COWE | 30510 | NEW | DRAW | PUB GRADE: 1341 | ADJ GRADE (+40): 1381 | USED GRADE: 1381 | EXP: 0.751
• SIMON GIBSON | 31750 | J19 | WIN | PUB GRADE: 1296 | ADJ GRADE (+45): 1341 | USED GRADE: 1341 | EXP: 0.792
• LIAM KERR | 31339 | WIN | UNGRADED | EST GRADE: 1485 | USED GRADE: 1485 | EXP: 0.623
• CHRIS SYKES | 12843 | DRAW | PUB GRADE: 1766 | ADJ GRADE (+0): 1766 | USED GRADE: 1766 | EXP: 0.253
• PETER MCMILLAN | 7953 | DRAW | PUB GRADE: 1325 | ADJ GRADE (+0): 1325 | USED GRADE: 1325 | EXP: 0.808
• NEIL IRVING | 12666 | LOSS | PUB GRADE: 1741 | ADJ GRADE (+0): 1741 | USED GRADE: 1741 | EXP: 0.282
• A KEITH AITCHISON | 3020 | DRAW | PUB GRADE: 1575 | ADJ GRADE (+0): 1575 | USED GRADE: 1575 | EXP: 0.5
• -----
• CALCULATION STEPS:
• 46 GRADABLE GAMES
• QTY GRADABLE GAMES (G): 46
• ACTUAL SCORE (ACT): 23.0
• EXPECTED SCORE (EXP): 24.307
• PUBLISHED GRADE (PUB): 1575
• HIGHER OF G OR 30 (N): 46
• 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
• 1575 + (800 x (23.0 - 24.307) / 46) + 5 = 1557 (to 0 d.p.)
• GRADE DELTA: -18
• LIVE GRADE: 1557
• *****
• GRADING CRITERIA MET
• PLAYER GRANTED LIVE GRADE OF 1557
• *****
• LIVE GRADE FROM THE 2024 SEASON BECOMES THE PUBLISHED GRADE FOR THE 2025 SEASON
• PLAYER GRANTED A PUBLISHED GRADE OF 1557
Allegro Games
| Rnd | Opponent | Stat | Pub | Adj | Used | Col | Res | ||
|---|---|---|---|---|---|---|---|---|---|
| 8 | William Hynd7709 | A | 1568 | 1568 | 1568 | W | 1 | ||
| 9 | Chris Donkin3765 | A | 1679 | 1679 | 1679 | B | 0 | ||
Live Grade Calculation:
• DAVID C MONTGOMERY• 10572
• GRADED PLAYER CALCULATION
• PUBLISHED GRADE: 1542
• STATUS: A
• *****
• RESULTS:
• WILLIAM HYND | 7709 | WIN | PUB GRADE: 1568 | ADJ GRADE (+0): 1568 | USED GRADE: 1568 | EXP: 0.464
• CHRIS DONKIN | 3765 | LOSS | PUB GRADE: 1679 | ADJ GRADE (+0): 1679 | USED GRADE: 1679 | EXP: 0.316
• -----
• CALCULATION STEPS:
• 2 GRADABLE GAMES
• QTY GRADABLE GAMES (G): 2
• ACTUAL SCORE (ACT): 1.0
• EXPECTED SCORE (EXP): 0.780
• PUBLISHED GRADE (PUB): 1542
• HIGHER OF G OR 30 (N): 30
• LOWER OF G OR 30 (n): 2
• CALCULATED DRIFT (D): 0.55 (to 2 d.p.)
• APPLIED DRIFT (d): D x n / 30 = 0.55 x 2 / 30 = 0 (to 0 d.p.)
• LIVE = PUB + (800 x (ACT - EXP) / N) + d
• 1542 + (800 x (1.0 - 0.780) / 30) + 0 = 1548 (to 0 d.p.)
• GRADE DELTA: +6
• LIVE GRADE: 1548
• *****
• GRADING CRITERIA MET
• PLAYER GRANTED LIVE GRADE OF 1548
Published Grade Calculation:
• DAVID C MONTGOMERY• 10572
• LATEST ALLEGRO GRADE CARRIES FORWARD
• PUBLISHED GRADE: 1542
Not listed at Blitz.