None of the data in this segment is related to cheating.
The following table shows the Bermuda Bowl MF values for 1955 to present. The MF value works best with a large number of boards. For individual tournaments before 1995 the values do not mean much but the average for earlier years shows a low number.
The value jumped significantly in 2015 when all players became aware that players could be detected cheating through video. This was the cleanest Bermuda Bowl on record ... until 2019. I'd like to think that the book had something to do with this. The top pairs know that they can be detected cheating using statistics.
| Year | # Boards | MF Value |
|---|---|---|
| 1955 | 440 | 0.9519 |
| 1957 | 445 | 1.1724 |
| 1958 | 326 | 0.9385 |
| 1959 | 310 | 1.0294 |
| 1962 | 415 | 1.1684 |
| 1967 | 256 | 0.9800 |
| 1973 | 255 | 1.0208 |
| 1974 | 191 | 0.9111 |
| 1975 | 192 | 1.2500 |
| 1977 | 191 | 1.1714 |
| 1979 | 188 | 1.0222 |
| 1981 | 186 | 1.2500 |
| 1983 | 351 | 1.5185 |
| 1987 | 278 | 0.9153 |
| 1991 | 135 | 0.8056 |
| 1995 | 319 | 2.0000 |
| 1997 | 1,202 | 1.1933 |
| 2000 | 700 | 1.3281 |
| 2001 | 255 | 1.6136 |
| 2005 | 1,869 | 1.3958 |
| 2007 | 2,698 | 1.2012 |
| 2009 | 2,931 | 1.1738 |
| 2011 | 3,590 | 1.1813 |
| 2013 | 4,182 | 1.1127 |
| 2015 | 3,350 | 1.4212 |
| 2017 | 4,304 | 1.3022 |
| 2019 | 3,760 | 1.4935 |
The lower the MF value, the more likely there is cheating at the event. The higher the MF value, the less likely there is cheating at the event. Note the big jumps in 2015 and 2019.
The following table shows the Venice Cup MF values for 1955 to present. The MF value works best with a large number of boards. For individual tournaments before 2007 the values do not mean much but the average for earlier years shows a low number.
The value jumped significantly in 2015 when all players became aware that players could be detected cheating through video. This was the cleanest Venice Cup on record ... until 2019. I'd like to think that the book had something to do with this. The top pairs know that they can be detected cheating using statistics.
| Year | # Boards | MF Value |
|---|---|---|
| 1997 | 157 | 0.8409 |
| 2000 | 256 | 1.1356 |
| 2005 | 286 | 1.2063 |
| 2007 | 1,039 | 1.1931 |
| 2009 | 1,589 | 1.1714 |
| 2011 | 1,538 | 1.3772 |
| 2013 | 1,837 | 1.0911 |
| 2015 | 1,620 | 1.4839 |
| 2017 | 2,709 | 1.3636 |
| 2019 | 3,337 | 1.5179 |
The lower the MF value, the more likely there is cheating at the event. The higher the MF value, the less likely there is cheating at the event. Note the big jumps in 2015 and 2019.
The following table shows the Senior Bowl MF values for 2005 to present. The MF value works best with a large number of boards. For individual tournaments before 2015 the values do not mean much but the average for earlier years shows a low number.
The value jumped significantly in 2015 when all players became aware that players could be detected cheating through video.
| Year | # Boards | MF Value |
|---|---|---|
| 2005 | 762 | 1.1166 |
| 2007 | 663 | 1.3761 |
| 2009 | 1,057 | 1.1354 |
| 2011 | 1,311 | 1.2112 |
| 2013 | 624 | 0.8986 |
| 2015 | 981 | 1.3333 |
| 2017 | 1,815 | 1.3179 |
| 2019 | 3,140 | 1.3112 |
The lower the MF value, the more likely there is cheating at the event. The higher the MF value, the less likely there is cheating at the event.
Both the Venice Cup and Bermuda Bowl showed a big increase in the MF values, but the MF value for the Senior Bowl did not. Hmm. Wonder why. They played the same boards. OK.... you are smart, I hope I really don't have to spell it out for you...
Yup. The software tells me who the most likely suspects are but I can't mention their names. I don't publish the cheating detection data for events but at least one pair triggered an alert. Does it help if I tell you that I gave WBF a list of suspect pairs for the Senior Bowl before the event started and all the pairs I mentioned triggered alerts in the cheating detection software event? Amazing how that can happen.
After the WBF upload the videos to Youtube, I will see if the quality of video is good enough to see if there is anything suspicious on videos.
The following table shows the Mixed Teams MF values. The MF value works best with a large number of boards. This is the first time this event has been held so there is no history.
| Year | # Boards | MF Value |
|---|---|---|
| 2019 | 2,799 | 1.4058 |
The lower the MF value, the more likely there is cheating at the event. The higher the MF value, the less likely there is cheating at the event.
Compare this value to the Bermuda Bowl (3,760 boards - 1.49), Venice Cup (3,337 boards - 1.52), Senior Bowl (3,140 boards - 1.31), Mixed Teams (2,799 boards - 1.41)
The higher the value the better the quality of bridge.