ROSENBERG Debbie · USA 2 Mixed
vs par split: bidding -0.76 · play +0.50
Strength of schedule: opponents averaged -0.22/bd (an easy draw) → opponent-adjusted +0.08/bd
Card play — on target: opening leads 75.0% · declarer play 73.3% · defence 93.3%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 0.0% (1) | 85.7% (7) |
| Declarer play | 71.4% (7) | 75.0% (8) |
| Defence | 100.0% (3) | 91.7% (12) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 0.0% (1) · ♦ 50.0% (2) · ♣ 100.0% (3)
vs par by strain: NT +0.47 (15) · a suit -0.67 (27)
vs par by level: part-score +1.58 (19) · game -0.75 (20) · slam -8.67 (3)
By role: declaring +0.93/bd (-1.19 vs par · 27) · defending -0.84/bd (+1.40 vs par · 15)
By vulnerability: vulnerable +0.64/bd (-1.09 vs par · 21) · not vulnerable -0.05/bd (+0.57 vs par · 21)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 32 | A.Rosenthal | J.Bian – N.Liu | Open | 14 | +21.9 | +1.56 | -0.79 |
| Round of 32 | M.Zur-Campanile | J.Zhou – J.Hou | Closed | 14 | -8.4 | -0.60 | -1.36 |
| Round of 16 | M.Zur-Campanile | I.Liran – E.Friedlander | Closed | 14 | -1.0 | -0.07 | +1.36 |
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 |
|---|---|---|---|---|---|---|---|
| +9.4 | Round of 32 | CHINA XHJT | 3 | 6NT | ♠4 | = | -13 |
| +6.5 | Round of 16 | YBT | 26 | 2NT | ♦6 | +1 | +7 |
| +4.7 | Round of 16 | YBT | 25 | 4♠ | ♣10 | = | +0 |
| +4.6 | Round of 16 | YBT | 15 | 3NT | ♦Q | -1 | +13 |
| +3.4 | Round of 16 | YBT | 17 | 1NT | ♣J | -1 | +3 |
| +3.0 | Round of 32 | CHINA XHJT | 16 | 1NT | ♠K | +4 | +2 |
| +2.8 | Round of 32 | CHINA XHJT | 18 | 3NT | ♦8 | -1 | +5 |
| +2.6 | Round of 32 | CHINA XHJT | 26 | 6♠ | ♣J | = | -13 |
| +2.4 | Round of 32 | CHINA XHJT | 13 | 1NT | ♣4 | = | -1 |
| +2.2 | Round of 32 | CHINA XHJT | 25 | 3♥ | ♠3 | = | +0 |
| +1.8 | Round of 16 | YBT | 22 | 2♥ | ♦Q | = | +5 |
| +1.7 | Round of 32 | CHINA XHJT | 11 | 6NT | ♥5 | = | +0 |
| +1.6 | Round of 32 | CHINA XHJT | 2 | 3♥ | ♦2 | -1 | +12 |
| +1.5 | Round of 32 | CHINA XHJT | 7 | 4♥ | ♣6 | = | -1 |
| +1.3 | Round of 32 | CHINA XHJT | 8 | 4♠ | ♥7 | +2 | -11 |
| +1.3 | Round of 16 | YBT | 20 | 1♥ | ♦8 | +1 | +0 |
| +1.2 | Round of 32 | CHINA XHJT | 12 | 3♦ | ♥2 | = | +0 |
| +1.0 | Round of 32 | CHINA XHJT | 10 | 1NT | ♠K | +1 | +0 |
| +0.8 | Round of 32 | CHINA XHJT | 9 | 2♦ | ♣A | = | -1 |
| +0.8 | Round of 32 | CHINA XHJT | 27 | 3NT | ♥2 | +1 | +0 |
| +0.4 | Round of 32 | CHINA XHJT | 1 | 4♥ | ♣K | +1 | +0 |
| +0.4 | Round of 32 | CHINA XHJT | 14 | 3NT | ♣7 | = | -1 |
| +0.2 | Round of 32 | CHINA XHJT | 6 | 2♠ | ♦4 | = | +0 |
| +0.1 | Round of 16 | YBT | 28 | 3♠ | ♦Q | = | +0 |
| -0.0 | Round of 32 | CHINA XHJT | 4 | 2♠ | ♣A | -1 | +5 |
| +0.0 | Round of 32 | CHINA XHJT | 5 | 4♠ | ♦10 | = | +0 |
| -0.5 | Round of 32 | CHINA XHJT | 15 | 4♠ | ♣6 | = | +0 |
| -0.5 | Round of 32 | CHINA XHJT | 22 | 5♣ | ♠3 | = | -1 |
| -0.7 | Round of 32 | CHINA XHJT | 21 | 1NT | ♥5 | -1 | +0 |
| -1.1 | Round of 32 | CHINA XHJT | 20 | 4♠ | ♥A | +1 | -1 |
| -1.2 | Round of 32 | CHINA XHJT | 28 | 3♠ | ♥2 | = | -1 |
| -1.4 | Round of 32 | CHINA XHJT | 19 | 5♦ | ♣K | = | +2 |
| -1.5 | Round of 16 | YBT | 23 | 2♥ | ♠2 | +1 | +0 |
| -1.9 | Round of 16 | YBT | 19 | 5♣ | ♠2 | = | +0 |
| -2.1 | Round of 32 | CHINA XHJT | 24 | 4♥x | ♦A | -1 | +0 |
| -2.7 | Round of 32 | CHINA XHJT | 17 | 4♠ | ♦7 | = | +1 |
| -3.1 | Round of 16 | YBT | 18 | 3NT | ♦2 | +2 | -2 |
| -3.5 | Round of 16 | YBT | 27 | 3♣ | ♥5 | = | +0 |
| -3.8 | Round of 16 | YBT | 21 | 3NT | ♥9 | -2 | -5 |
| -4.6 | Round of 16 | YBT | 24 | 4♥ | ♠K | = | -1 |
| -5.0 | Round of 16 | YBT | 16 | 1NT | ♠9 | +1 | -1 |
| -9.6 | Round of 32 | CHINA XHJT | 23 | 4♠ | ♥K | +2 | -13 |