ROSENBERG Debbie · ROSENBERG
vs par split: bidding -0.16 · play +0.54
Strength of schedule: opponents averaged -0.22/bd (an easy draw) → opponent-adjusted +0.68/bd
Card play — on target: opening leads 61.5% #635 of 675 · declarer play 87.5% #74 of 675 · defence 91.3% #106 of 675
Bidding activity — not a pass: 49.4% #64 of 675 (79/160)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 55.6% (9) |
| Declarer play | 100.0% (5) | 81.8% (11) |
| Defence | 100.0% (7) | 87.5% (16) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 100.0% (1) · ♦ 50.0% (2) · ♣ 57.1% (7)
vs par by strain: NT +0.67 (18) · a suit +0.24 (38)
vs par by level: part-score +1.16 (19) · game +0.58 (33) · slam -5.00 (4)
By role: declaring +1.58/bd (-0.58 vs par · 33) · defending -0.08/bd (+1.74 vs par · 23)
By vulnerability: vulnerable +0.81/bd (+0.64 vs par · 28) · not vulnerable +0.99/bd (+0.11 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 5 | M.Rosenberg | A.Rosenthal – A.Silverstein | Closed | 14 | +41.1 | +2.94 | +1.50 |
| Round 6 | M.Rosenberg | Z.Shi – C.Ju | Closed | 14 | +11.1 | +0.79 | +1.50 |
| Round 7 | M.Rosenberg | C.Mann – L.Andersson | Closed | 14 | +12.0 | +0.86 | +1.07 |
| Round 8 | M.Rosenberg | B.Norton – S.Tommasini | Closed | 14 | -13.8 | -0.99 | -2.57 |
Every board — best Butler first↑ top
vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +11.1 | Round 6 | CHINA OPEN TEAM 1 | 20 | 3NT | ♠A | +1 | +15 |
| +10.4 | Round 5 | ROSENTHAL | 7 | 6♦ | ♥5 | = | -2 |
| +9.2 | Round 5 | ROSENTHAL | 14 | 2♦x | ♠K | = | +11 |
| +7.3 | Round 7 | DINKIN | 10 | 2NT | ♣J | -1 | +12 |
| +7.1 | Round 7 | DINKIN | 6 | 2♠x | ♦A | -2 | +9 |
| +6.6 | Round 5 | ROSENTHAL | 4 | 3NT | ♣2 | +1 | +0 |
| +6.4 | Round 5 | ROSENTHAL | 12 | 3NT | ♥4 | = | +0 |
| +5.7 | Round 7 | DINKIN | 7 | 4♥ | ♠K | = | -1 |
| +5.2 | Round 6 | CHINA OPEN TEAM 1 | 15 | 5♠ | ♥K | = | +11 |
| +4.7 | Round 5 | ROSENTHAL | 2 | 3NT | ♣Q | +1 | +1 |
| +4.5 | Round 5 | ROSENTHAL | 8 | 4♥ | ♠Q | -1 | +5 |
| +4.2 | Round 6 | CHINA OPEN TEAM 1 | 16 | 1♥ | ♣7 | +5 | +11 |
| +3.8 | Round 5 | ROSENTHAL | 9 | 4♥ | ♣A | -1 | +5 |
| +3.6 | Round 7 | DINKIN | 9 | 3NT | ♣Q | -2 | +7 |
| +3.3 | Round 6 | CHINA OPEN TEAM 1 | 24 | 3NT | ♦4 | +1 | +1 |
| +3.0 | Round 8 | KNOTTENBELT | 21 | 4♠ | ♥4 | = | +3 |
| +3.0 | Round 8 | KNOTTENBELT | 26 | 4♥ | ♣3 | +1 | +0 |
| +2.7 | Round 7 | DINKIN | 11 | 4♣ | ♦8 | +3 | +2 |
| +2.1 | Round 7 | DINKIN | 12 | 3NT | ♥2 | = | -1 |
| +2.0 | Round 5 | ROSENTHAL | 5 | 3♥ | ♣Q | = | +6 |
| +1.9 | Round 6 | CHINA OPEN TEAM 1 | 28 | 2♥ | ♠3 | = | +0 |
| +1.9 | Round 8 | KNOTTENBELT | 18 | 2NT | ♣J | -1 | +4 |
| +1.9 | Round 8 | KNOTTENBELT | 19 | 3♦ | ♦T | +1 | +0 |
| +1.4 | Round 8 | KNOTTENBELT | 25 | 2♥ | ♠K | = | +0 |
| +1.2 | Round 7 | DINKIN | 1 | 4♠ | ♥5 | +2 | +1 |
| +1.0 | Round 8 | KNOTTENBELT | 24 | 4♥ | ♣5 | +1 | +0 |
| +0.7 | Round 6 | CHINA OPEN TEAM 1 | 22 | 3NT | ♥6 | +2 | +0 |
| +0.7 | Round 8 | KNOTTENBELT | 17 | 4♠ | ♣T | +1 | -8 |
| +0.6 | Round 6 | CHINA OPEN TEAM 1 | 21 | 4♣ | ♦K | -1 | +1 |
| +0.4 | Round 5 | ROSENTHAL | 3 | 4♥ | ♦Q | = | +1 |
| +0.2 | Round 5 | ROSENTHAL | 13 | 3♠ | ♣2 | = | +0 |
| +0.2 | Round 6 | CHINA OPEN TEAM 1 | 23 | 3NT | ♣K | +1 | +1 |
| -0.3 | Round 6 | CHINA OPEN TEAM 1 | 19 | 3NT | ♠7 | +1 | +0 |
| -0.3 | Round 7 | DINKIN | 5 | 2♠ | ♦K | +1 | +0 |
| -0.4 | Round 7 | DINKIN | 2 | 5♣ | ♠K | +1 | +11 |
| -0.7 | Round 5 | ROSENTHAL | 10 | 1NT | ♥4 | = | -5 |
| -0.7 | Round 8 | KNOTTENBELT | 23 | 3♠ | ♣J | = | +0 |
| -0.8 | Round 8 | KNOTTENBELT | 16 | 4♥ | ♣Q | +2 | -11 |
| -1.2 | Round 7 | DINKIN | 3 | 4♠ | ♣4 | -1 | +2 |
| -1.4 | Round 5 | ROSENTHAL | 1 | 3NT | ♣2 | +1 | +0 |
| -1.6 | Round 6 | CHINA OPEN TEAM 1 | 25 | 2NT | ♥3 | -1 | -5 |
| -1.7 | Round 5 | ROSENTHAL | 11 | 3NT | ♥3 | = | +0 |
| -1.8 | Round 6 | CHINA OPEN TEAM 1 | 26 | 3♥ | ♣Q | -1 | -9 |
| -2.1 | Round 6 | CHINA OPEN TEAM 1 | 27 | 5♦ | ♥A | +1 | -11 |
| -2.1 | Round 8 | KNOTTENBELT | 22 | 4♠ | ♣A | = | +0 |
| -2.2 | Round 7 | DINKIN | 8 | 3NT | ♣6 | -1 | -5 |
| -2.5 | Round 6 | CHINA OPEN TEAM 1 | 18 | 4♥ | ♠J | = | +11 |
| -2.8 | Round 7 | DINKIN | 14 | 4♥ | ♠K | +1 | +0 |
| -2.8 | Round 8 | KNOTTENBELT | 15 | 3♥ | ♥3 | -2 | -3 |
| -3.0 | Round 8 | KNOTTENBELT | 27 | 5♣ | ♥7 | -1 | -8 |
| -3.3 | Round 5 | ROSENTHAL | 6 | 4♠ | ♦J | +2 | -1 |
| -4.3 | Round 7 | DINKIN | 4 | 3♥ | ♠A | = | -12 |
| -6.5 | Round 7 | DINKIN | 13 | 4♥ | ♣A | = | -10 |
| -7.3 | Round 8 | KNOTTENBELT | 28 | 7♠ | ♠6 | = | +0 |
| -7.8 | Round 6 | CHINA OPEN TEAM 1 | 17 | 6♠x | ♦K | -3 | -5 |
| -10.0 | Round 8 | KNOTTENBELT | 20 | 6NT | ♠8 | -1 | -13 |