History of Jonathan Guttmacher
Weight = 1.40
| Date | Boards | Result | Expected |
Performed | Pair | Field | Change | Score | Partner |
| | | | | Strength | Strength | | 50.00 |
| January 25, 2000 |
22 |
51.36 |
49.09 |
52.27 |
50.00 |
50.91 |
0.53 |
50.53 |
Jamie Allen (50.00) |
| July 11, 2000 |
22 |
45.00 |
49.01 |
45.40 |
49.42 |
50.42 |
-0.86 |
49.67 |
Mark Heumann (48.32) |
| December 5, 2000 |
22 |
52.95 |
46.49 |
55.38 |
48.92 |
52.43 |
1.31 |
50.99 |
Rudolf Brautigam (48.16) |
| Date | Boards | Result | Expected |
Performed | Pair | Field | Change | Score | Partner |
(*) indidates IMP pair games whose results are converted to MP equivalence