ROSENBERG Michael · USA 2 Seniors
vs par split: bidding +0.90 · play -1.35
Strength of schedule: opponents averaged +0.10/bd (a tough draw) → opponent-adjusted -0.66/bd
Card play — on target: opening leads 84.6% · declarer play 75.0% · defence 63.2%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 90.0% (10) |
| Declarer play | 88.9% (9) | 57.1% (7) |
| Defence | 50.0% (4) | 66.7% (15) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 80.0% (5) · ♦ 66.7% (3) · ♣ 100.0% (4)
vs par by strain: NT -1.23 (13) · a suit -0.07 (27)
vs par by level: part-score +1.31 (13) · game -0.42 (24) · slam -8.33 (3)
By role: declaring -0.96/bd (-2.33 vs par · 21) · defending -0.53/bd (+1.63 vs par · 19)
By vulnerability: vulnerable -1.41/bd (-1.30 vs par · 20) · not vulnerable -0.10/bd (+0.40 vs par · 20)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 12 | M.Lair | A.Bach – M.Cornell | Open | 10 | -12.0 | -1.20 | -1.40 |
| Round 13 | M.Lair | S.Kang – S.Lee | Open | 10 | +3.0 | +0.30 | +2.30 |
| Round 14 | M.Lair | D.Wang – N.Li | Closed | 10 | -6.1 | -0.61 | +0.90 |
| Round 15 | M.Lair | O.Ekinci – M.Copur | Closed | 10 | -15.2 | -1.52 | -3.60 |
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 |
|---|---|---|---|---|---|---|---|
| +7.0 | Round 13 | SEOUL OPEN | 1 | 4♥ | ♦Q | -1 | +10 |
| +5.9 | Round 12 | NEW ZEALAND Open | 24 | 4♠ | ♣A | +1 | +0 |
| +5.9 | Round 15 | TURKEY Seniors | 22 | 3NT | ♠4 | = | +0 |
| +5.6 | Round 12 | NEW ZEALAND Open | 27 | 4♥ | ♥J | -1 | +10 |
| +5.1 | Round 13 | SEOUL OPEN | 5 | 4♥ | ♦A | +1 | +11 |
| +4.5 | Round 14 | BEIJINGXUGUANG | 15 | 4♠ | ♥4 | = | +11 |
| +3.4 | Round 13 | SEOUL OPEN | 4 | 3♣ | ♥Q | -2 | +3 |
| +3.1 | Round 15 | TURKEY Seniors | 21 | 4♥ | ♦2 | -1 | +6 |
| +2.7 | Round 13 | SEOUL OPEN | 10 | 3♦ | ♥A | -1 | -1 |
| +2.3 | Round 14 | BEIJINGXUGUANG | 20 | 1NT | ♦6 | = | +6 |
| +1.7 | Round 12 | NEW ZEALAND Open | 25 | 6♦ | ♠8 | +1 | -11 |
| +1.5 | Round 14 | BEIJINGXUGUANG | 12 | 3NT | ♥10 | +2 | +1 |
| +1.3 | Round 13 | SEOUL OPEN | 6 | 2♠ | ♥A | -1 | +8 |
| +1.1 | Round 13 | SEOUL OPEN | 7 | 3NT | ♥K | +1 | -1 |
| +1.0 | Round 12 | NEW ZEALAND Open | 21 | 2♠ | ♦K | = | +0 |
| +0.8 | Round 14 | BEIJINGXUGUANG | 17 | 4♠ | ♣6 | = | -1 |
| -0.0 | Round 12 | NEW ZEALAND Open | 29 | 2♠ | ♣7 | +1 | +0 |
| +0.0 | Round 15 | TURKEY Seniors | 27 | 4♠x | ♦2 | -1 | +0 |
| -0.2 | Round 15 | TURKEY Seniors | 24 | 4NT | ♠A | +1 | +0 |
| -0.3 | Round 12 | NEW ZEALAND Open | 23 | 2♥ | ♥9 | +1 | +0 |
| -0.5 | Round 15 | TURKEY Seniors | 25 | 3NT | ♣4 | +1 | +0 |
| -0.7 | Round 14 | BEIJINGXUGUANG | 19 | 3NT | ♠5 | -1 | +0 |
| -0.9 | Round 13 | SEOUL OPEN | 9 | 3NT | ♥5 | +2 | -2 |
| -1.3 | Round 12 | NEW ZEALAND Open | 28 | 4♥ | ♦J | +2 | +11 |
| -1.8 | Round 15 | TURKEY Seniors | 23 | 2♠ | ♠2 | +1 | -1 |
| -1.9 | Round 14 | BEIJINGXUGUANG | 11 | 3NT | ♣6 | = | +1 |
| -2.4 | Round 14 | BEIJINGXUGUANG | 13 | 2♠ | ♥Q | +1 | -1 |
| -2.5 | Round 15 | TURKEY Seniors | 28 | 3NT | ♥J | +3 | -11 |
| -2.7 | Round 14 | BEIJINGXUGUANG | 18 | 4♥ | ♣7 | = | -3 |
| -2.8 | Round 15 | TURKEY Seniors | 30 | 5♣ | ♦2 | -1 | -5 |
| -3.2 | Round 14 | BEIJINGXUGUANG | 16 | 1♠ | ♥K | +2 | +0 |
| -3.3 | Round 12 | NEW ZEALAND Open | 30 | 2♣ | ♦A | -3 | +0 |
| -3.6 | Round 13 | SEOUL OPEN | 2 | 2NT | ♣4 | +2 | +8 |
| -4.3 | Round 14 | BEIJINGXUGUANG | 14 | 2NT | ♣10 | -2 | -5 |
| -4.5 | Round 13 | SEOUL OPEN | 8 | 6♦ | ♣J | = | +0 |
| -7.9 | Round 15 | TURKEY Seniors | 29 | 5♥x | ♠7 | -1 | -12 |
| -8.5 | Round 15 | TURKEY Seniors | 26 | 5♦x | ♦2 | -1 | -13 |
| -8.6 | Round 13 | SEOUL OPEN | 3 | 3NT | ♦3 | -2 | -13 |
| -9.8 | Round 12 | NEW ZEALAND Open | 26 | 4♥ | ♣8 | = | -10 |
| -11.5 | Round 12 | NEW ZEALAND Open | 22 | 6♣ | ♦J | -1 | -14 |