BEECROFT MARATHON 05/06/2021
High Game: Bob Jackman — 688
High Word: Bob Jackman BRUCINES 185
| Player | National Rank | State Rank | | Expected | Actual | | Old Rating | Change | New Rating |
| OPEN |
| John Holgate |
27 → 19 |
NSW 9 → 7 |
|
9.3 |
11.0 |
|
1693 |
+35 |
1728 |
| Noel Barrett |
49 → 39 |
ACT 5 → 3 |
|
7.4 |
10.0 |
|
1536 |
+51 |
1587 |
| Bob Jackman |
19 → 24 |
NSW 7 → 8 |
|
9.7 |
9.0 |
|
1731 |
-14 |
1717 |
| Rod Talbot |
26 → 27 |
NSW 8 → 9 |
|
9.3 |
9.0 |
|
1696 |
-6 |
1690 |
| Ivor Zetler |
56 → 53 |
NSW 14 → 14 |
|
6.8 |
8.0 |
|
1482 |
+24 |
1506 |
| Chris Ostrowski |
96 → 88 |
NSW 24 → 23 |
|
5.4 |
7.0 |
|
1358 |
+33 |
1391 |
| Colleen Birch |
88 → 74 |
NSW 23 → 19 |
|
5.7 |
7.0 |
|
1385 |
+27 |
1412 |
| John Barker |
99 → 89 |
NSW 26 → 24 |
|
5.3 |
7.0 |
|
1355 |
+34 |
1389 |
| Jyoti Chandna |
61 → 64 |
NSW 16 → 16 |
|
6.7 |
6.0 |
|
1469 |
-13 |
1456 |
| Greg Pinchbeck |
68 → 72 |
NSW 17 → 18 |
|
6.4 |
5.0 |
|
1449 |
-28 |
1421 |
| Sharon Sorensen |
78 → 97 |
NSW 20 → 25 |
|
5.9 |
4.0 |
|
1404 |
-38 |
1366 |
| Richard Birch |
120 → 123 |
NSW 32 → 33 |
|
4.8 |
4.0 |
|
1309 |
-16 |
1293 |
| Janine Whittaker |
138 → 156 |
NSW 37 → 41 |
|
4.2 |
2.0 |
|
1256 |
-43 |
1213 |
| Norma Tracey |
134 → 153 |
NSW 35 → 39 |
|
4.2 |
2.0 |
|
1263 |
-45 |
1218 |
OPEN
Player Averages
| Player | Average For | Average Against | High | Low |
| Bob Jackman | 466.6 | 357.2 | 688 | 312 |
| Noel Barrett | 438.0 | 366.5 | 596 | 298 |
| John Holgate | 428.6 | 355.5 | 599 | 316 |
| Rod Talbot | 406.0 | 364.5 | 520 | 236 |
| Greg Pinchbeck | 382.0 | 399.5 | 428 | 284 |
| Ivor Zetler | 380.3 | 370.7 | 515 | 246 |
| Jyoti Chandna | 371.8 | 384.2 | 476 | 288 |
| John Barker | 371.1 | 401.2 | 493 | 313 |
| Chris Ostrowski | 364.7 | 359.3 | 428 | 287 |
| Richard Birch | 360.9 | 414.6 | 436 | 284 |
| Colleen Birch | 359.1 | 385.8 | 442 | 283 |
| Sharon Sorensen | 357.7 | 405.5 | 440 | 250 |
| Janine Whittaker | 357.2 | 402.5 | 404 | 298 |
| Norma Tracey | 335.5 | 412.5 | 392 | 268 |
20 Highest Games
| Game | Player | Opponent | Score |
| 12 | Bob Jackman | Janine Whittaker | 688-402 |
| 9 | John Holgate | John Barker | 599-328 |
| 10 | Noel Barrett | John Barker | 596-313 |
| 7 | Bob Jackman | Norma Tracey | 574-294 |
| 13 | Bob Jackman | Rod Talbot | 543-236 |
| 5 | Bob Jackman | Sharon Sorensen | 536-307 |
| 9 | Bob Jackman | Colleen Birch | 534-292 |
| 12 | Rod Talbot | Richard Birch | 520-284 |
| 6 | Ivor Zetler | Colleen Birch | 515-316 |
| 4 | Noel Barrett | John Holgate | 505-316 |
| 5 | Noel Barrett | Richard Birch | 502-416 |
| 4 | Rod Talbot | Sharon Sorensen | 497-367 |
| 2 | John Barker | Richard Birch | 493-322 |
| 3 | Noel Barrett | Bob Jackman | 481-335 |
| 10 | Jyoti Chandna | Norma Tracey | 476-268 |
| 12 | Noel Barrett | Greg Pinchbeck | 476-363 |
| 8 | Bob Jackman | John Barker | 473-339 |
| 12 | John Holgate | Ivor Zetler | 469-343 |
| 1 | Bob Jackman | Richard Birch | 457-315 |
| 7 | John Holgate | Chris Ostrowski | 455-306 |
20 Highest Losing Scores
| Game | Player | Opponent | Score |
| 2 | Chris Ostrowski | Greg Pinchbeck | 424-428 |
| 5 | Richard Birch | Noel Barrett | 416-502 |
| 1 | Sharon Sorensen | Greg Pinchbeck | 414-424 |
| 2 | Rod Talbot | Noel Barrett | 413-444 |
| 4 | Bob Jackman | Jyoti Chandna | 411-429 |
| 6 | Greg Pinchbeck | Richard Birch | 411-436 |
| 12 | Janine Whittaker | Bob Jackman | 402-688 |
| 7 | John Barker | Rod Talbot | 399-449 |
| 4 | Greg Pinchbeck | John Barker | 397-404 |
| 5 | Norma Tracey | Janine Whittaker | 392-404 |
| 6 | Janine Whittaker | John Barker | 391-396 |
| 6 | Jyoti Chandna | Noel Barrett | 391-396 |
| 1 | Janine Whittaker | Noel Barrett | 387-407 |
| 8 | Sharon Sorensen | Jyoti Chandna | 385-428 |
| 10 | Greg Pinchbeck | Bob Jackman | 384-390 |
| 2 | Norma Tracey | Colleen Birch | 383-389 |
| 7 | Greg Pinchbeck | Ivor Zetler | 382-401 |
| 10 | Colleen Birch | John Holgate | 381-432 |
| 2 | Bob Jackman | John Holgate | 380-440 |
| 2 | Ivor Zetler | Sharon Sorensen | 376-391 |
20 Biggest Wins
| Game | Winner | Loser | Score | Margin |
| 13 | Bob Jackman | Rod Talbot | 543-236 | +307 |
| 12 | Bob Jackman | Janine Whittaker | 688-402 | +286 |
| 10 | Noel Barrett | John Barker | 596-313 | +283 |
| 7 | Bob Jackman | Norma Tracey | 574-294 | +280 |
| 9 | John Holgate | John Barker | 599-328 | +271 |
| 9 | Bob Jackman | Colleen Birch | 534-292 | +242 |
| 12 | Rod Talbot | Richard Birch | 520-284 | +236 |
| 5 | Bob Jackman | Sharon Sorensen | 536-307 | +229 |
| 10 | Jyoti Chandna | Norma Tracey | 476-268 | +208 |
| 6 | Ivor Zetler | Colleen Birch | 515-316 | +199 |
| 4 | Noel Barrett | John Holgate | 505-316 | +189 |
| 13 | Noel Barrett | Ivor Zetler | 433-246 | +187 |
| 2 | John Barker | Richard Birch | 493-322 | +171 |
| 6 | John Holgate | Sharon Sorensen | 405-250 | +155 |
| 11 | John Holgate | Greg Pinchbeck | 438-284 | +154 |
| 7 | John Holgate | Chris Ostrowski | 455-306 | +149 |
| 3 | Noel Barrett | Bob Jackman | 481-335 | +146 |
| 1 | Chris Ostrowski | Colleen Birch | 428-283 | +145 |
| 1 | Bob Jackman | Richard Birch | 457-315 | +142 |
| 12 | Colleen Birch | Jyoti Chandna | 426-288 | +138 |
20 Highest Combined Scores
| Game | Player | Opponent | Score | Combined |
| 12 | Bob Jackman | Janine Whittaker | 688-402 | 1090 |
| 9 | John Holgate | John Barker | 599-328 | 927 |
| 5 | Noel Barrett | Richard Birch | 502-416 | 918 |
| 10 | Noel Barrett | John Barker | 596-313 | 909 |
| 7 | Bob Jackman | Norma Tracey | 574-294 | 868 |
| 4 | Rod Talbot | Sharon Sorensen | 497-367 | 864 |
| 2 | Rod Talbot | Noel Barrett | 413-444 | 857 |
| 2 | Greg Pinchbeck | Chris Ostrowski | 428-424 | 852 |
| 7 | Rod Talbot | John Barker | 449-399 | 848 |
| 6 | Greg Pinchbeck | Richard Birch | 411-436 | 847 |
| 5 | Bob Jackman | Sharon Sorensen | 536-307 | 843 |
| 4 | Bob Jackman | Jyoti Chandna | 411-429 | 840 |
| 12 | Noel Barrett | Greg Pinchbeck | 476-363 | 839 |
| 1 | Greg Pinchbeck | Sharon Sorensen | 424-414 | 838 |
| 6 | Ivor Zetler | Colleen Birch | 515-316 | 831 |
| 9 | Bob Jackman | Colleen Birch | 534-292 | 826 |
| 5 | John Holgate | Jyoti Chandna | 452-373 | 825 |
| 4 | John Holgate | Noel Barrett | 316-505 | 821 |
| 2 | Bob Jackman | John Holgate | 380-440 | 820 |
| 3 | Bob Jackman | Noel Barrett | 335-481 | 816 |
20 Biggest Rating Upsets
| Game | Winner | Loser | Score | Ratings | Rating Gap |
| 4 | Jyoti Chandna | Bob Jackman | 429-411 | 1469 beat 1731 | +262 |
| 11 | Ivor Zetler | Bob Jackman | 384-312 | 1482 beat 1731 | +249 |
| 9 | Greg Pinchbeck | Rod Talbot | 350-346 | 1449 beat 1696 | +247 |
| 10 | Ivor Zetler | Rod Talbot | 347-332 | 1482 beat 1696 | +214 |
| 3 | Noel Barrett | Bob Jackman | 481-335 | 1536 beat 1731 | +195 |
| 8 | Janine Whittaker | Greg Pinchbeck | 374-335 | 1256 beat 1449 | +193 |
| 8 | Chris Ostrowski | Noel Barrett | 398-298 | 1358 beat 1536 | +178 |
| 2 | Noel Barrett | Rod Talbot | 444-413 | 1536 beat 1696 | +160 |
| 4 | Noel Barrett | John Holgate | 505-316 | 1536 beat 1693 | +157 |
| 11 | Colleen Birch | Noel Barrett | 442-372 | 1385 beat 1536 | +151 |
| 6 | Richard Birch | Greg Pinchbeck | 436-411 | 1309 beat 1449 | +140 |
| 7 | Sharon Sorensen | Noel Barrett | 440-356 | 1404 beat 1536 | +132 |
| 5 | John Barker | Ivor Zetler | 441-341 | 1355 beat 1482 | +127 |
| 11 | John Barker | Jyoti Chandna | 385-332 | 1355 beat 1469 | +114 |
| 9 | Chris Ostrowski | Jyoti Chandna | 384-327 | 1358 beat 1469 | +111 |
| 12 | Norma Tracey | Chris Ostrowski | 331-287 | 1263 beat 1358 | +95 |
| 9 | Richard Birch | Sharon Sorensen | 408-338 | 1309 beat 1404 | +95 |
| 4 | John Barker | Greg Pinchbeck | 404-397 | 1355 beat 1449 | +94 |
| 1 | Norma Tracey | John Barker | 353-347 | 1263 beat 1355 | +92 |
| 12 | Colleen Birch | Jyoti Chandna | 426-288 | 1385 beat 1469 | +84 |
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