ROSENBERG Kevin · USA
vs par split: bidding +0.02 · play -0.06
Strength of schedule: opponents averaged -0.30/bd (an easy draw) → opponent-adjusted -0.46/bd
Card play — on target: opening leads 69.2% #56 of 75 · declarer play 83.3% #19 of 75 · defence 85.7% #21 of 76
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 71.4% (7) | 66.7% (6) |
| Declarer play | 83.3% (6) | 83.3% (6) |
| Defence | 81.8% (11) | 88.2% (17) |
Opening leads by suit led: ♠ 75.0% (4) · ♥ 66.7% (3) · ♦ 80.0% (5) · ♣ 0.0% (1)
vs par by strain: NT -0.43 (21) · a suit +0.24 (29)
vs par by level: part-score +0.19 (21) · game -0.21 (29)
By role: declaring -0.28/bd (-1.46 vs par · 22) · defending -0.07/bd (+1.07 vs par · 28)
By vulnerability: vulnerable -0.05/bd (-0.48 vs par · 25) · not vulnerable -0.27/bd (+0.40 vs par · 25)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | A.Tebha | Q.Mao – X.Wang | Open | 10 | +18.0 | +1.80 | +3.20 |
| Round 3 | A.Tebha | O.Shaheen – K.Ashraf | Closed | 10 | -22.5 | -2.25 | -1.70 |
| Round 4 | A.Tebha | N.Si – Y.Yin | Open | 10 | -4.6 | -0.46 | +1.00 |
| Round 5 | A.Tebha | D.Ramirez – G.Guridi | Closed | 10 | -5.3 | -0.53 | -2.80 |
| Round 6 | A.Tebha | E.Imakiire – K.Kobayashi | Open | 10 | +6.3 | +0.63 | +0.10 |
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 |
|---|---|---|---|---|---|---|---|
| +9.1 | Round 5 | CHILE | 20 | 2♣x | ♥Q | +2 | -1 |
| +8.0 | Round 1 | CUST | 1 | 2♦ | ♠8 | -3 | +11 |
| +7.5 | Round 4 | SYNREY RDFZ | 8 | 5♣ | ♥6 | +1 | +11 |
| +7.2 | Round 6 | JAPAN | 28 | 4♠ | ♥3 | = | +0 |
| +7.1 | Round 4 | SYNREY RDFZ | 6 | 2NT | ♦A | +3 | +10 |
| +4.3 | Round 6 | JAPAN | 23 | 3NT | ♠4 | -1 | +6 |
| +3.8 | Round 6 | JAPAN | 24 | 3NT | ♥5 | -1 | +4 |
| +3.6 | Round 1 | CUST | 4 | 1NT | ♠2 | -2 | -7 |
| +3.1 | Round 1 | CUST | 5 | 3♣ | ♦Q | +2 | +7 |
| +2.7 | Round 1 | CUST | 10 | 3NT | ♥10 | = | +0 |
| +2.4 | Round 6 | JAPAN | 27 | 2♠ | ♣5 | +4 | +6 |
| +2.3 | Round 5 | CHILE | 18 | 4♠x | ♣A | -1 | -1 |
| +2.2 | Round 1 | CUST | 6 | 3NT | ♥5 | = | +7 |
| +1.1 | Round 3 | EGYPT | 21 | 4♠ | ♣3 | -1 | +2 |
| +0.9 | Round 3 | EGYPT | 24 | 1NT | ♣4 | +1 | +0 |
| +0.7 | Round 3 | EGYPT | 30 | 5♥ | ♦7 | -1 | +2 |
| +0.6 | Round 1 | CUST | 7 | 2♥ | ♦7 | +1 | +7 |
| +0.5 | Round 4 | SYNREY RDFZ | 1 | 3NT | ♠2 | +3 | +10 |
| +0.5 | Round 5 | CHILE | 11 | 1NT | ♠2 | +1 | +1 |
| +0.4 | Round 4 | SYNREY RDFZ | 5 | 1NT | ♥9 | -2 | -1 |
| +0.4 | Round 6 | JAPAN | 22 | 4♥ | ♠K | +1 | +0 |
| +0.1 | Round 3 | EGYPT | 25 | 3♦ | ♦5 | +1 | +0 |
| -0.1 | Round 1 | CUST | 3 | 4♠ | ♦10 | +2 | -2 |
| -0.1 | Round 1 | CUST | 9 | 3♦ | ♠4 | +1 | -1 |
| -0.3 | Round 4 | SYNREY RDFZ | 7 | 1NT | ♦10 | = | -1 |
| -0.4 | Round 3 | EGYPT | 26 | 4♠ | ♦Q | +1 | -1 |
| -0.4 | Round 4 | SYNREY RDFZ | 4 | 3NT | ♣10 | +2 | +0 |
| -0.5 | Round 6 | JAPAN | 25 | 3♣ | ♠7 | = | +0 |
| -0.7 | Round 1 | CUST | 8 | 4♠ | ♦7 | = | +9 |
| -1.1 | Round 5 | CHILE | 12 | 2♦ | ♣A | = | +0 |
| -1.2 | Round 5 | CHILE | 16 | 1NT | ♠7 | = | -5 |
| -1.3 | Round 1 | CUST | 2 | 3NT | ♥9 | = | +1 |
| -1.7 | Round 5 | CHILE | 15 | 4♥ | ♦J | = | -1 |
| -2.0 | Round 6 | JAPAN | 21 | 2♦ | ♦3 | -1 | -5 |
| -2.1 | Round 5 | CHILE | 17 | 3NT | ♣K | -1 | -10 |
| -2.5 | Round 4 | SYNREY RDFZ | 9 | 4♥ | ♥3 | +2 | -11 |
| -2.6 | Round 3 | EGYPT | 22 | 4♥ | ♠A | +1 | +0 |
| -2.6 | Round 6 | JAPAN | 26 | 3NT | ♥5 | -2 | -7 |
| -2.9 | Round 3 | EGYPT | 29 | 3NT | ♠J | -1 | +1 |
| -3.0 | Round 5 | CHILE | 19 | 3♥ | ♦A | = | -7 |
| -3.1 | Round 6 | JAPAN | 30 | 3♦ | ♥K | = | +0 |
| -3.3 | Round 3 | EGYPT | 23 | 3♥ | ♦4 | = | +0 |
| -3.6 | Round 5 | CHILE | 13 | 4♠ | ♣3 | +1 | -1 |
| -3.6 | Round 6 | JAPAN | 29 | 4♠ | ♥A | = | -3 |
| -3.7 | Round 4 | SYNREY RDFZ | 2 | 3NT | ♠4 | = | +1 |
| -4.5 | Round 5 | CHILE | 14 | 3NT | ♠7 | = | -3 |
| -5.2 | Round 4 | SYNREY RDFZ | 10 | 3NT | ♦7 | -1 | -6 |
| -6.9 | Round 3 | EGYPT | 27 | 2NT | ♠Q | -1 | -10 |
| -8.0 | Round 4 | SYNREY RDFZ | 3 | 5♣ | ♠K | -1 | -3 |
| -9.2 | Round 3 | EGYPT | 28 | 4♠ | ♥7 | -2 | -11 |