History of Kees De Groot
Weight = 0.94
| Date | Boards | Result | Expected |
Performed | Pair | Field | Change | Score | Partner |
| | | | | Strength | Strength | | 50.00 |
| December 15, 1998 |
24 |
55.87 |
46.73 |
55.89 |
46.72 |
49.99 |
2.29 |
52.29 |
David Harris (43.44) |
| December 22, 1998 |
21 |
60.32 |
52.96 |
61.15 |
53.65 |
50.68 |
1.36 |
53.65 |
Brian Lee (55.00) |
| January 5, 1999 |
21 |
48.02 |
55.86 |
48.10 |
55.97 |
50.08 |
-1.22 |
52.43 |
Nathan Glasser (58.28) |
| January 26, 1999 |
22 |
52.50 |
54.12 |
51.75 |
53.38 |
49.25 |
-0.24 |
52.19 |
Brian Lee (54.33) |
| February 2, 1999 |
21 |
62.30 |
51.14 |
63.82 |
52.41 |
51.26 |
1.43 |
53.62 |
Gary Schwartz (52.62) |
| February 16, 1999 |
24 |
44.35 |
51.72 |
44.41 |
51.81 |
50.09 |
-0.21 |
53.41 |
John Levy (50.00) |
| Date | Boards | Result | Expected |
Performed | Pair | Field | Change | Score | Partner |
(*) indidates IMP pair games whose results are converted to MP equivalence