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Chess vs. backgammon

Posted By: Rich Munitz
Date: Tuesday, 11 May 2010, at 1:54 p.m.

In Response To: Chess vs. backgammon (Nack Ballard)

According to the XG Elo calculator, a 200 Elo advantage produces a 76% win rate in a 25 point match. My previous conjecture that 200 Elo represents one level in backgammon like in chess seems right on the mark.

Based on recent discussion, if we assume 1.0 PR ~ 33 Elo and 1.0 ER ~ 36 Elo, a 200 Elo difference would correspond to about 6.0 PR and 5.5 ER. Thus a 2.0 ER has 3:1 odds against an 8.5 ER. This seems far more in line with my experience.

Messages In This Thread

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                Stick -- Thursday, 6 May 2010, at 7:07 a.m.
                • Article on "Mr. Bridge" Mentions Backgammon and Poker
                  Christian Munk-Christensen -- Thursday, 6 May 2010, at 7:20 a.m.
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                    Stick -- Thursday, 6 May 2010, at 7:49 a.m.
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                      Christian Munk-Christensen -- Thursday, 6 May 2010, at 7:52 a.m.
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                    Matt Cohn-Geier -- Thursday, 6 May 2010, at 9:17 a.m.
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                      Casper van der Tak -- Thursday, 6 May 2010, at 9:22 a.m.
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                    Rich Munitz -- Thursday, 6 May 2010, at 12:39 p.m.
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                      Timothy Chow -- Thursday, 6 May 2010, at 3:11 p.m.
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                        Timothy Chow -- Friday, 7 May 2010, at 12:25 a.m.
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                          Bill Riles -- Friday, 7 May 2010, at 1:05 a.m.
                          • flawed measure of complexity
                            Stick -- Friday, 7 May 2010, at 1:53 a.m.
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                              Bill Riles -- Friday, 7 May 2010, at 4:46 a.m.
                            • flawed measure of complexity
                              Nack Ballard -- Friday, 7 May 2010, at 6:10 a.m.
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                                Timothy Chow -- Friday, 7 May 2010, at 6:20 p.m.
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                                  Nack Ballard -- Friday, 7 May 2010, at 8:21 p.m.
                          • flawed measure of complexity
                            Timothy Chow -- Friday, 7 May 2010, at 3:01 a.m.
                            • flawed measure of complexity
                              Stick -- Friday, 7 May 2010, at 3:05 a.m.
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                                Timothy Chow -- Friday, 7 May 2010, at 3:52 a.m.
                                • flawed measure of complexity
                                  Rich Munitz -- Friday, 7 May 2010, at 3:57 a.m.
                                  • flawed measure of complexity
                                    Bob Koca -- Friday, 7 May 2010, at 4:24 a.m.
                                    • flawed measure of complexity
                                      Timothy Chow -- Friday, 7 May 2010, at 6:08 p.m.
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                                  Stick -- Friday, 7 May 2010, at 4:17 a.m.
                                  • flawed measure of complexity
                                    Timothy Chow -- Friday, 7 May 2010, at 4:20 a.m.
                                    • flawed measure of complexity
                                      Stick -- Friday, 7 May 2010, at 4:28 a.m.
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                        David Rockwell -- Friday, 7 May 2010, at 12:32 a.m.
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                              Maik Stiebler -- Friday, 7 May 2010, at 7:13 a.m.
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                                      Christian Munk-Christensen -- Tuesday, 11 May 2010, at 1:15 p.m.
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          Timothy Chow -- Thursday, 6 May 2010, at 4:50 a.m.
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