Brook Roberts

Profile image of Brook Roberts
Full name: Brook Roberts
Current rank: 2 since Aug. 6, 2018
Highest Rank: 2 first reached Oct. 24, 2016 (8 weeks in total)
2018 race rank: 2
2017: 7
2016: 3
2015: 10
2014: 4
2013: =18
Titles/finals: 9/21

Elo Ratings per Match since January 2013

Choose a table: Match scores, player Elo ratings, player rankings.

A player's elo rating is considered provisional (P) until they have either completed six matches or played matches at at least three different tournaments.

The probability of winning is equal to the predicted share of points scored. A player rated 200 above another corresponds to a 76% chance of winning.

The K value is a development coefficient, and it reduces large swings in the ratings of established players. The K value reduces over time, similar to 538's elo ratings for tennis players: 250/((player's match count+15)**(0.4)))-10

Click table headers to sort.

Date Tournament Round Opponent   Elo Rating
Player

Opponent

Difference
  Share of Points
Predicted

Actual

Difference
  Final Result
Predicted

Actual

Difference
K-Factor Next Elo Change
20180803 EJC 2018 Azores final
Luke Burrage
1750
1880
-130
32.1 %
37.5 %
+5.4 %
Lose
Lost
-
25
1741
-9
20180803 EJC 2018 Azores semi-final
Andreas Braun
1737
1771
-34
45.1 %
62.5 %
+17.4 %
Lose
Won
Upset Win
25
1750
+13
20180803 EJC 2018 Azores round of 8
Sebastian Martini
1728
1631
+97
63.6 %
62.5 %
-1.1 %
Win
Won
-
25
1737
+9
20180803 EJC 2018 Azores round of 16
Junis El-Sarout
1721
1562
+159
71.4 %
83.3 %
+11.9 %
Win
Won
-
25
1728
+7
20180803 EJC 2018 Azores round of 32
Roman Štěpánek
1716
1486 P
+230
79.0 %
83.3 %
+4.3 %
Win
Won
-
26
1721
+5
20180725 Cumbria 2018 final
Julius Preu
1724
1877
-153
29.3 %
0.0 %
-29.3 %
Lose
Lost
-
26
1716
-8
20180725 Cumbria 2018 semi-final
Jon Peat
1711
1721
-10
48.6 %
55.6 %
+7.0 %
Lose
Won
Upset Win
26
1724
+13
20180725 Cumbria 2018 round of 8
Callum Lawrie
1705
1527
+178
73.6 %
83.3 %
+9.7 %
Win
Won
-
26
1711
+6
20180526 Bungay 2018 final
Cameron Ford
1720
1673
+47
56.7 %
28.6 %
-28.2 %
Win
Lost
Upset Loss
26
1705
-15
20180526 Bungay 2018 semi-final
Callum Lawrie
1715
1505
+210
77.0 %
100.0 %
+23.0 %
Win
Won
-
26
1720
+5
20180526 Bungay 2018 round of 8
Stephen Whitehead
1711
1452 P
+259
81.6 %
100.0 %
+18.4 %
Win
Won
-
26
1715
+4
20180505 Leicester 2018 third place match
Callum Lawrie
1706
1494
+212
77.2 %
71.4 %
-5.8 %
Win
Won
-
26
1711
+5
20180505 Leicester 2018 semi-final
Cameron Ford
1722
1661
+61
58.7 %
0.0 %
-58.7 %
Win
Lost
Upset Loss
26
1706
-16
20180505 Leicester 2018 round of 8
Joe Shields
1718
1453 P
+265
82.1 %
83.3 %
+1.2 %
Win
Won
-
27
1722
+4
20180405 BJC 2018 Canterbury third place match
Cameron Ford
1706
1672
+34
54.9 %
55.6 %
+0.7 %
Win
Won
-
27
1718
+12
20180405 BJC 2018 Canterbury semi-final
Jon Peat
1721
1693
+28
54.0 %
0.0 %
-54.0 %
Win
Lost
Upset Loss
27
1706
-15
20180405 BJC 2018 Canterbury round of 8
Stephan Cipra
1717
1454
+263
82.0 %
62.5 %
-19.5 %
Win
Won
-
27
1721
+4
20180405 BJC 2018 Canterbury round of 16
Jonathan Moore
1711
1500 P
+211
77.1 %
100.0 %
+22.9 %
Win
Won
-
27
1717
+6
20180217 Bath UpChuck 2018 final
Jon Peat
1698
1701
-3
49.6 %
55.6 %
+6.0 %
Lose
Won
Upset Win
27
1711
+13
20180217 Bath UpChuck 2018 semi-final
Ieuan Evans
1695
1359
+336
87.4 %
100.0 %
+12.6 %
Win
Won
-
27
1698
+3
20180217 Bath UpChuck 2018 round of 8
Matthew Crawford
1688
1500 P
+188
74.7 %
100.0 %
+25.3 %
Win
Won
-
28
1695
+7
20171202 European Masters 2017 round of 8
Matty Schneider
1702
1712
-10
48.6 %
44.4 %
-4.1 %
Lose
Lost
-
28
1688
-14
20171202 European Masters 2017 round-robin
Ian Deady
1688
1703
-15
47.8 %
85.7 %
+37.9 %
Lose
Won
Upset Win
28
1702
+14
20171202 European Masters 2017 round-robin
Leo Ostenrath
1669
1801
-132
31.9 %
100.0 %
+68.1 %
Lose
Won
Upset Win
28
1688
+19
20171202 European Masters 2017 round-robin
Jochen Pfeiffer
1672
2098
-426
7.9 %
40.0 %
+32.1 %
Lose
Lost
-
28
1669
-3
20171202 European Masters 2017 round-robin
Markus Utke
1682
1805
-123
33.0 %
25.0 %
-8.0 %
Lose
Lost
-
28
1672
-10
20171118 Leeds 2017 final
Cameron Ford
1700
1612
+88
62.4 %
44.4 %
-18.0 %
Win
Lost
Upset Loss
28
1682
-18
20171118 Leeds 2017 semi-final
Ieuan Evans
1697
1350
+347
88.1 %
62.5 %
-25.6 %
Win
Won
-
29
1700
+3
20171118 Leeds 2017 round of 8
Josh Turner
1692
1445
+247
80.6 %
83.3 %
+2.8 %
Win
Won
-
29
1697
+5
20171007 Cambridge 2017 final
Jon Peat
1707
1709
-2
49.7 %
28.6 %
-21.1 %
Lose
Lost
-
29
1692
-15
20171007 Cambridge 2017 semi-final
Cameron Ford
1695
1640
+55
57.8 %
62.5 %
+4.7 %
Win
Won
-
29
1707
+12
20171007 Cambridge 2017 round of 8
Mark Pender-Bare
1692
1330
+362
88.9 %
83.3 %
-5.6 %
Win
Won
-
29
1695
+3
20170624 Sheffield 2017 third place match
Ieuan Evans
1689
1326
+363
89.0 %
62.5 %
-26.5 %
Win
Won
-
29
1692
+3
20170624 Sheffield 2017 semi-final
Cameron Ford
1707
1634
+73
60.4 %
44.4 %
-15.9 %
Win
Lost
Upset Loss
29
1689
-18
20170624 Sheffield 2017 round of 8
Ben Horgan
1704
1378
+326
86.7 %
100.0 %
+13.3 %
Win
Won
-
30
1707
+3
20170429 Leicester 2017 final
Will Borrell
1696
1533
+163
71.9 %
100.0 %
+28.1 %
Win
Won
-
30
1704
+8
20170429 Leicester 2017 semi-final
Ieuan Evans
1693
1312
+381
90.0 %
83.3 %
-6.6 %
Win
Won
-
30
1696
+3
20170429 Leicester 2017 round of 8
Phil Turner
1688
1413
+275
83.0 %
100.0 %
+17.0 %
Win
Won
-
30
1693
+5
20170411 BJC 2017 Nottingham third place match
Danny Cooper
1674
1653
+21
53.0 %
71.4 %
+18.4 %
Win
Won
-
30
1688
+14
20170411 BJC 2017 Nottingham semi-final
Cameron Ford
1693
1621
+72
60.2 %
44.4 %
-15.8 %
Win
Lost
Upset Loss
30
1674
-19
20170411 BJC 2017 Nottingham round of 8
Rob Woolley
1688
1431
+257
81.4 %
71.4 %
-10.0 %
Win
Won
-
31
1693
+5
20170128 Chocfest 2017 round of 8
Dan Wood
1707
1648
+59
58.4 %
37.5 %
-20.9 %
Win
Lost
Upset Loss
31
1688
-19
20161126 European Masters 2016 7th place match
Danny Cooper
1692
1692
0
50.0 %
83.3 %
+33.3 %
50/50
Won
-
31
1707
+15
20161126 European Masters 2016 loser semi-final
Rob van Heijst
1713
1597
+116
66.1 %
44.4 %
-21.7 %
Win
Lost
Upset Loss
31
1692
-21
20161126 European Masters 2016 round of 8
Jochen Pfeiffer
1718
2017
-299
15.2 %
25.0 %
+9.8 %
Lose
Lost
-
31
1713
-5
20161126 European Masters 2016 round-robin
Luke Burrage
1728
1868
-140
30.9 %
40.0 %
+9.1 %
Lose
Lost
-
32
1718
-10
20161126 European Masters 2016 round-robin
Leo Ostenrath
1748
1673
+75
60.6 %
33.3 %
-27.3 %
Win
Lost
Upset Loss
32
1728
-20
20161126 European Masters 2016 round-robin
Markus Utke
1758
1730
+28
54.0 %
40.0 %
-14.0 %
Win
Lost
Upset Loss
32
1740
-18
20161126 European Masters 2016 round-robin
Jan Poolen
1740
1569
+171
72.8 %
85.7 %
+12.9 %
Win
Won
-
32
1748
+8
20161119 Leeds 2016 final
Cameron Ford
1751
1541
+210
77.0 %
62.5 %
-14.5 %
Win
Won
-
32
1758
+7
20161119 Leeds 2016 semi-final
Callum Lawrie
1747
1430
+317
86.1 %
71.4 %
-14.7 %
Win
Won
-
33
1751
+4
20161119 Leeds 2016 round of 8
Phil Turner
1742
1450 P
+292
84.3 %
100.0 %
+15.7 %
Win
Won
-
33
1747
+5
20161015 Durham 2016 final
Luke Burrage
1719
1869
-150
29.7 %
83.3 %
+53.7 %
Lose
Won
Upset Win
33
1742
+23
20161015 Durham 2016 semi-final
Will Borrell
1712
1502
+210
77.0 %
55.6 %
-21.5 %
Win
Won
-
33
1719
+7
20161015 Durham 2016 round of 8
Greg Phillips
1705
1500 P
+205
76.5 %
100.0 %
+23.5 %
Win
Won
-
33
1712
+7
20161001 Cambridge 2016 final
Jon Peat
1723
1709
+14
52.0 %
28.6 %
-23.4 %
Win
Lost
Upset Loss
34
1705
-18
20161001 Cambridge 2016 semi-final
Rob Woolley
1716
1502
+214
77.4 %
100.0 %
+22.6 %
Win
Won
-
34
1723
+7
20161001 Cambridge 2016 round of 8
Tom Whitfield
1709
1495 P
+214
77.4 %
100.0 %
+22.6 %
Win
Won
-
34
1716
+7
20160804 EJC 2016 Almere round of 32
Jakub Szwed
1732
1612
+120
66.6 %
44.4 %
-22.2 %
Win
Lost
Upset Loss
34
1709
-23
20160727 CoastCon 2016 third place match
Niklas Aumüller
1728
1401
+327
86.8 %
62.5 %
-24.3 %
Win
Won
-
35
1732
+4
20160727 CoastCon 2016 semi-final
Jon Peat
1748
1700
+48
56.9 %
44.4 %
-12.4 %
Win
Lost
Upset Loss
35
1728
-20
20160727 CoastCon 2016 round of 8
Nicki Cohrs
1743
1459 P
+284
83.7 %
83.3 %
-0.3 %
Win
Won
-
35
1748
+5
20160525 Bungay 2016 final
Luke Burrage
1756
1869
-113
34.3 %
44.4 %
+10.2 %
Lose
Lost
-
35
1743
-13
20160525 Bungay 2016 semi-final
Jon Relf
1750
1478
+272
82.7 %
100.0 %
+17.3 %
Win
Won
-
36
1756
+6
20160525 Bungay 2016 round of 8
Robin Gunney
1743
1500 P
+243
80.2 %
100.0 %
+19.8 %
Win
Won
-
36
1750
+7
20160430 Leicester 2016 final
Jon Peat
1728
1681
+47
56.7 %
62.5 %
+5.8 %
Win
Won
-
36
1743
+15
20160430 Leicester 2016 semi-final
Cameron Ford
1718
1552
+166
72.2 %
55.6 %
-16.7 %
Win
Won
-
37
1728
+10
20160430 Leicester 2016 round of 8
Lawrence Chunk Bruce
1713
1427 P
+286
83.8 %
100.0 %
+16.2 %
Win
Won
-
37
1718
+5
20160401 BJC 2016 Perth final
Luke Burrage
1725
1867
-142
30.6 %
44.4 %
+13.8 %
Lose
Lost
-
37
1713
-12
20160401 BJC 2016 Perth semi-final
Danny Cooper
1715
1550
+165
72.1 %
83.3 %
+11.2 %
Win
Won
-
37
1725
+10
20160401 BJC 2016 Perth round of 8
Stephan Cipra
1708
1473
+235
79.5 %
100.0 %
+20.5 %
Win
Won
-
38
1715
+7
20160401 BJC 2016 Perth round of 16
Twinkle
1702
1442
+260
81.7 %
83.3 %
+1.6 %
Win
Won
-
38
1708
+6
20160123 Chocfest 2016 final
Jon Peat
1685
1651
+34
54.9 %
58.3 %
+3.5 %
Win
Won
-
38
1702
+17
20160123 Chocfest 2016 semi-final
Ben Horgan
1678
1415
+263
82.0 %
60.0 %
-22.0 %
Win
Won
-
39
1685
+7
20160123 Chocfest 2016 round of 8
Nathan Parker
1668
1500 P
+168
72.5 %
85.7 %
+13.3 %
Win
Won
-
39
1678
+10
20151205 European Masters 2015 round of 8
Luke Burrage
1679
1860
-181
26.1 %
46.2 %
+20.1 %
Lose
Lost
-
39
1668
-11
20151205 European Masters 2015 round-robin
Julius Preu
1666
1554
+112
65.6 %
66.7 %
+1.1 %
Win
Won
-
40
1679
+13
20151205 European Masters 2015 round-robin
Dave Leahy
1640
1749
-109
34.8 %
50.0 %
+15.2 %
Lose
Won
Upset Win
40
1666
+26
20151205 European Masters 2015 round-robin
Eóin Allan
1656
1734
-78
39.0 %
38.5 %
-0.5 %
Lose
Lost
-
41
1640
-16
20151205 European Masters 2015 round-robin
Florian Marienfeld
1680
1636
+44
56.3 %
33.3 %
-23.0 %
Win
Lost
Upset Loss
41
1656
-24
20151121 Leeds 2015 final
Dan Wood
1705
1640
+65
59.2 %
16.7 %
-42.6 %
Win
Lost
Upset Loss
41
1680
-25
20151121 Leeds 2015 semi-final
Twinkle
1699
1416
+283
83.6 %
83.3 %
-0.3 %
Win
Won
-
42
1705
+6
20151121 Leeds 2015 round of 8
Mark Pender-Bare
1690
1467 P
+223
78.3 %
83.3 %
+5.0 %
Win
Won
-
42
1699
+9
20151003 Durham 2015 final
Jon Peat
1715
1673
+42
56.0 %
44.4 %
-11.6 %
Win
Lost
Upset Loss
43
1690
-25
20151003 Durham 2015 semi-final
Danny Cooper
1706
1477
+229
78.9 %
62.5 %
-16.4 %
Win
Won
-
43
1715
+9
20151003 Durham 2015 round of 8
Rob Woolley
1699
1437 P
+262
81.9 %
83.3 %
+1.5 %
Win
Won
-
44
1706
+7
20150926 Cambridge 2015 final
Jon Peat
1678
1668
+10
51.4 %
55.6 %
+4.1 %
Win
Won
-
44
1699
+21
20150926 Cambridge 2015 semi-final
Jon Relf
1665
1515
+150
70.3 %
100.0 %
+29.7 %
Win
Won
-
45
1678
+13
20150926 Cambridge 2015 round of 8
Palmer Jack Perkin
1652
1500 P
+152
70.6 %
100.0 %
+29.4 %
Win
Won
-
45
1665
+13
20150331 BJC 2015 Darton third place match
Johnny Malcolm
1625
1694
-69
40.2 %
66.7 %
+26.5 %
Lose
Won
Upset Win
46
1652
+27
20150331 BJC 2015 Darton semi-final
Jon Peat
1653
1590
+63
59.0 %
42.9 %
-16.1 %
Win
Lost
Upset Loss
46
1625
-28
20150331 BJC 2015 Darton round of 8
Matty Schneider
1635
1565
+70
59.9 %
100.0 %
+40.1 %
Win
Won
-
47
1653
+18
20150331 BJC 2015 Darton round of 16
Philip Nicolai
1622
1459 P
+163
71.9 %
100.0 %
+28.1 %
Win
Won
-
47
1635
+13
20141025 Cambridge 2014 third place match
Josh Turner
1605
1509 P
+96
63.5 %
100.0 %
+36.5 %
Win
Won
-
48
1622
+17
20141025 Cambridge 2014 semi-final
Johnny Malcolm
1634
1563
+71
60.1 %
37.5 %
-22.6 %
Win
Lost
Upset Loss
48
1605
-29
20141025 Cambridge 2014 round of 8
Rob Thorburn
1621
1455 P
+166
72.2 %
100.0 %
+27.8 %
Win
Won
-
49
1634
+13
20141011 Durham 2014 third place match
Dave Leahy
1649
1612
+37
55.3 %
37.5 %
-17.8 %
Win
Lost
Upset Loss
50
1621
-28
20141011 Durham 2014 semi-final
Dan Wood
1689
1468
+221
78.1 %
28.6 %
-49.5 %
Win
Lost
Upset Loss
51
1649
-40
20141011 Durham 2014 round of 8
Rob Woolley
1676
1500 P
+176
73.4 %
83.3 %
+10.0 %
Win
Won
-
51
1689
+13
20140926 J-Fest 2014 final
Fedi To
1657
1565 P
+92
62.9 %
83.3 %
+20.4 %
Win
Won
-
52
1676
+19
20140926 J-Fest 2014 semi-final
Kali
1638
1537 P
+101
64.1 %
100.0 %
+35.9 %
Win
Won
-
53
1657
+19
20140926 J-Fest 2014 round of 8
Emre Buyuktuna
1620
1500 P
+120
66.6 %
60.0 %
-6.6 %
Win
Won
-
54
1638
+18
20140725 EJC 2014 Millstreet round of 8
Luke Burrage
1644
1692
-48
43.1 %
0.0 %
-43.1 %
Lose
Lost
-
55
1620
-24
20140725 EJC 2014 Millstreet round of 16
Alex Leymann
1623
1541
+82
61.6 %
100.0 %
+38.4 %
Win
Won
-
55
1644
+21
20140531 NJF 2014 final
Iver Tronstad
1649
1675 P
-26
46.3 %
0.0 %
-46.3 %
Lose
Lost
-
56
1623
-26
20140531 NJF 2014 semi-final
Nathan Biggs-Penton
1628
1537 P
+91
62.8 %
55.6 %
-7.2 %
Win
Won
-
57
1649
+21
20140531 NJF 2014 round of 8
Simon À Campo
1608
1497
+111
65.5 %
83.3 %
+17.9 %
Win
Won
-
58
1628
+20
20140531 NJF 2014 round of 16
Jan Poolen
1589
1463 P
+126
67.4 %
100.0 %
+32.6 %
Win
Won
-
60
1608
+19
20140412 BJC 2014 Darton third place match
Luke Burrage
1617
1648
-31
45.6 %
40.0 %
-5.6 %
Lose
Lost
-
61
1589
-28
20140412 BJC 2014 Darton semi-final
Dave Leahy
1652
1613
+39
55.6 %
37.5 %
-18.1 %
Win
Lost
Upset Loss
62
1617
-35
20140412 BJC 2014 Darton round of 8
Josh Turner
1629
1537 P
+92
62.9 %
80.0 %
+17.1 %
Win
Won
-
63
1652
+23
20140125 Chocfest 2014 final
Dave Leahy
1594
1628
-34
45.1 %
83.3 %
+38.2 %
Lose
Won
Upset Win
65
1629
+35
20140125 Chocfest 2014 semi-final
Dan Wood
1564
1537 P
+27
53.9 %
83.3 %
+29.5 %
Win
Won
-
66
1594
+30
20140125 Chocfest 2014 round of 8
Simon West
1534 P
1500 P
+34
54.9 %
100.0 %
+45.1 %
Win
Won
-
68
1564
+30
20131026 Cambridge 2013 final
Dave Leahy
1573 P
1541 P
+32
54.6 %
40.0 %
-14.6 %
Win
Lost
Loss
70
1534 P
-39
20131026 Cambridge 2013 semi-final
Jon Relf
1537 P
1537 P
0
50.0 %
100.0 %
+50.0 %
50/50
Won
-
72
1573 P
+36
20131026 Cambridge 2013 round of 8
Lewis Kennedy
1500 P
1500 P
0
50.0 %
100.0 %
+50.0 %
50/50
Won
-
74
1537 P
+37

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