SONSINI Barbara · USA1 LADIES
vs par split: bidding -4.20 · play -0.55
Strength of schedule: opponents averaged +0.51/bd (a tough draw) → opponent-adjusted -2.29/bd
Card play — on target: opening leads 50.0% · declarer play 75.0% · defence 81.8%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (4) | 50.0% (2) |
| Declarer play | 100.0% (2) | 66.7% (6) |
| Defence | 83.3% (6) | 80.0% (5) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 100.0% (1) · ♦ 0.0% (1) · ♣ 0.0% (1)
vs par by strain: NT -1.38 (8) · a suit -7.00 (12)
vs par by level: part-score -0.67 (3) · game -5.81 (16) · slam +0.00 (1)
By role: declaring -2.40/bd (-9.22 vs par · 9) · defending -3.11/bd (-1.09 vs par · 11)
By vulnerability: vulnerable -3.13/bd (-4.00 vs par · 11) · not vulnerable -2.38/bd (-5.67 vs par · 9)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 12 | J.Radin | H.Fu – R.Wang | Closed | 10 | -26.4 | -2.64 | -5.20 |
| Round 13 | J.Radin | K.Jin – X.Bao | Open | 10 | -29.4 | -2.94 | -4.30 |
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 |
|---|---|---|---|---|---|---|---|
| +3.9 | Round 12 | CHINA PINGAN | 29 | 4NT | ♥4 | = | +12 |
| +3.9 | Round 13 | QUANZHOU FENGDA | 1 | 4♠ | ♣2 | +1 | +1 |
| +3.4 | Round 13 | QUANZHOU FENGDA | 9 | 1♠ | ♣5 | +3 | +7 |
| +2.0 | Round 13 | QUANZHOU FENGDA | 2 | 3NT | ♠3 | +1 | +1 |
| +1.5 | Round 12 | CHINA PINGAN | 23 | 5♦ | ♠K | +1 | -13 |
| -0.1 | Round 13 | QUANZHOU FENGDA | 8 | 3NT | ♦Q | +2 | +0 |
| -0.6 | Round 12 | CHINA PINGAN | 25 | 4♥ | ♠A | = | +0 |
| -0.9 | Round 12 | CHINA PINGAN | 28 | 4♥ | ♦A | +2 | -11 |
| -1.5 | Round 12 | CHINA PINGAN | 27 | 7NT | ♥10 | = | +0 |
| -1.6 | Round 12 | CHINA PINGAN | 22 | 3♦ | ♣3 | +1 | +0 |
| -3.6 | Round 13 | QUANZHOU FENGDA | 5 | 4♠ | ♣4 | -2 | -11 |
| -5.1 | Round 13 | QUANZHOU FENGDA | 6 | 4♠ | ♣K | +1 | -17 |
| -5.3 | Round 12 | CHINA PINGAN | 30 | 4♠ | ♣10 | +2 | -11 |
| -5.3 | Round 13 | QUANZHOU FENGDA | 3 | 3NT | ♣4 | +1 | -1 |
| -6.0 | Round 12 | CHINA PINGAN | 26 | 5♦ | ♠A | +1 | -9 |
| -6.4 | Round 13 | QUANZHOU FENGDA | 10 | 3NT | ♦2 | +3 | -13 |
| -7.7 | Round 12 | CHINA PINGAN | 21 | 2♦x | ♣10 | -2 | -9 |
| -8.2 | Round 12 | CHINA PINGAN | 24 | 4♠ | ♦3 | +1 | -11 |
| -8.3 | Round 13 | QUANZHOU FENGDA | 4 | 3NT | ♠K | = | +0 |
| -9.9 | Round 13 | QUANZHOU FENGDA | 7 | 3NT | ♦2 | = | -10 |