ROSENBERG Michael · ROSENBERG
vs par split: bidding -0.09 · play +0.02
Strength of schedule: opponents averaged +0.28/bd (a tough draw) → opponent-adjusted +0.56/bd
Card play — on target: opening leads 76.5% #120 of 161 · declarer play 85.7% #30 of 161 · defence 90.3% #58 of 161
Bidding activity — not a pass: 39.3% #123 of 161 (66/168)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (5) | 66.7% (12) |
| Declarer play | 75.0% (4) | 90.0% (10) |
| Defence | 71.4% (7) | 95.8% (24) |
Opening leads by suit led: ♠ 100.0% (6) · ♥ 50.0% (4) · ♦ 80.0% (5) · ♣ 50.0% (2)
vs par by strain: NT +1.61 (13) · a suit -0.58 (43)
vs par by level: part-score +0.62 (16) · game +0.00 (34) · slam -2.33 (6)
By role: declaring +0.32/bd (-2.92 vs par · 25) · defending +0.26/bd (+2.23 vs par · 31)
By vulnerability: vulnerable +0.74/bd (-0.14 vs par · 28) · not vulnerable -0.17/bd (+0.00 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 5 | M.Schireson | K.Fong – Y.Zhang | Open | 14 | +7.0 | +0.50 | +3.79 |
| Round 6 | M.Schireson | M.Passell – A.Goodman | Closed | 14 | -20.1 | -1.44 | -4.57 |
| Round 7 | D.Rosenberg | A.Asulin – O.Herbst | Open | 14 | +14.1 | +1.01 | +0.50 |
| Round 8 | D.Rosenberg | Z.Shao – S.Sun | Closed | 14 | +14.9 | +1.06 | +0.00 |
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 |
|---|---|---|---|---|---|---|---|
| +13.5 | Round 5 | AMANDA | 3 | 6♦ | ♥A | -1 | +16 |
| +8.5 | Round 7 | PATRICK SAADA | 12 | 4♠ | ♦Q | = | -5 |
| +8.0 | Round 5 | AMANDA | 2 | 5♦ | ♠6 | -1 | +10 |
| +6.6 | Round 7 | PATRICK SAADA | 10 | 3♥ | ♥J | +1 | +10 |
| +6.2 | Round 8 | GX2S | 21 | 3NT | ♦T | -1 | +10 |
| +6.0 | Round 6 | GOODMAN | 20 | 6♠ | ♥K | +1 | -13 |
| +5.9 | Round 5 | AMANDA | 5 | 3NT | ♠6 | = | +0 |
| +5.9 | Round 6 | GOODMAN | 21 | 4♠ | ♥4 | -2 | +6 |
| +5.7 | Round 8 | GX2S | 27 | 6♠ | ♦A | = | +0 |
| +5.4 | Round 5 | AMANDA | 1 | 6NT | ♠J | -1 | +14 |
| +4.2 | Round 6 | GOODMAN | 15 | 3NT | ♣5 | = | +0 |
| +4.1 | Round 8 | GX2S | 18 | 2♥ | ♠K | = | +6 |
| +4.0 | Round 7 | PATRICK SAADA | 4 | 3NT | ♠3 | -1 | +6 |
| +3.9 | Round 5 | AMANDA | 10 | 4♥ | ♣A | +1 | +4 |
| +3.8 | Round 6 | GOODMAN | 26 | 2♠ | ♥7 | -2 | +7 |
| +3.1 | Round 6 | GOODMAN | 19 | 4♠ | ♣J | -2 | +2 |
| +2.9 | Round 6 | GOODMAN | 24 | 2♠ | ♦J | +1 | +1 |
| +2.8 | Round 8 | GX2S | 25 | 2♥ | ♦Q | = | +6 |
| +1.8 | Round 8 | GX2S | 15 | 4♠ | ♦8 | +1 | +0 |
| +1.7 | Round 8 | GX2S | 20 | 1NT | ♥J | = | -1 |
| +1.4 | Round 7 | PATRICK SAADA | 1 | 2♥ | ♣Q | +1 | +1 |
| +1.3 | Round 7 | PATRICK SAADA | 9 | 4♠x | ♥A | -1 | -6 |
| +1.2 | Round 5 | AMANDA | 14 | 3♠ | ♣3 | +1 | +2 |
| +1.2 | Round 8 | GX2S | 19 | 5♥x | ♣3 | -1 | +0 |
| +1.1 | Round 7 | PATRICK SAADA | 3 | 4♥ | ♠5 | +1 | +0 |
| +0.9 | Round 7 | PATRICK SAADA | 13 | 3NT | ♣5 | = | -1 |
| +0.6 | Round 8 | GX2S | 22 | 2♠ | ♣K | +2 | -6 |
| +0.6 | Round 8 | GX2S | 28 | 2♠ | ♥A | +2 | -10 |
| +0.5 | Round 5 | AMANDA | 8 | 3NT | ♥2 | +1 | +0 |
| +0.4 | Round 7 | PATRICK SAADA | 2 | 3♦ | ♥K | -1 | -2 |
| +0.4 | Round 7 | PATRICK SAADA | 11 | 4♠ | ♣Q | +1 | +0 |
| +0.2 | Round 8 | GX2S | 24 | 2♥ | ♦A | = | +1 |
| -0.4 | Round 5 | AMANDA | 13 | 3NT | ♠6 | -1 | +5 |
| -0.8 | Round 6 | GOODMAN | 27 | 4♥ | ♠A | -2 | +0 |
| -0.8 | Round 7 | PATRICK SAADA | 6 | 4♥ | ♠A | = | +0 |
| -1.0 | Round 8 | GX2S | 23 | 3♣ | ♦6 | +1 | +0 |
| -1.1 | Round 7 | PATRICK SAADA | 14 | 4♥ | ♣4 | +2 | -1 |
| -1.3 | Round 6 | GOODMAN | 17 | 3NT | ♣T | = | -2 |
| -1.4 | Round 7 | PATRICK SAADA | 5 | 2♥ | ♥J | = | +0 |
| -1.5 | Round 8 | GX2S | 26 | 2NT | ♥8 | = | -6 |
| -1.6 | Round 8 | GX2S | 16 | 4♠ | ♣A | +1 | +0 |
| -3.1 | Round 5 | AMANDA | 12 | 5♠ | ♦7 | = | +11 |
| -3.4 | Round 7 | PATRICK SAADA | 8 | 5♥ | ♠A | -1 | +4 |
| -3.6 | Round 5 | AMANDA | 7 | 4♠ | ♦3 | = | +0 |
| -3.6 | Round 5 | AMANDA | 9 | 5♥ | ♠K | = | +0 |
| -3.8 | Round 7 | PATRICK SAADA | 7 | 2♠ | ♠5 | -1 | +1 |
| -4.4 | Round 5 | AMANDA | 11 | 5♦ | ♠2 | +1 | -1 |
| -5.0 | Round 6 | GOODMAN | 22 | 3NT | ♦4 | +1 | -4 |
| -5.8 | Round 6 | GOODMAN | 25 | 4♥ | ♣3 | -2 | -6 |
| -5.9 | Round 6 | GOODMAN | 16 | 5♣ | ♥K | = | -13 |
| -5.9 | Round 8 | GX2S | 17 | 5♦ | ♥3 | = | +0 |
| -6.4 | Round 5 | AMANDA | 6 | 4♥x | ♣T | -3 | -8 |
| -6.9 | Round 6 | GOODMAN | 23 | 6♠ | ♦T | -1 | -17 |
| -7.3 | Round 6 | GOODMAN | 18 | 5♠x | ♣5 | -1 | -11 |
| -9.9 | Round 5 | AMANDA | 4 | 3NT | ♠2 | = | +0 |
| -13.0 | Round 6 | GOODMAN | 28 | 7♣x | ♠Q | -3 | -14 |