SILVERSTEIN Aaron · ROSENTHAL
162rank
-25.6Butler · 14 bds
-1.83per board
±3.1swing
-0.79vs par /bd
-2.03adjusted /bd
by round
vs par split: bidding +1.14 · play -1.93
Strength of schedule: opponents averaged -0.20/bd (an easy draw) → opponent-adjusted -2.03/bd
Card play — on target: opening leads 100.0% · declarer play 40.0% · defence 85.7%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (1) | 100.0% (2) |
| Declarer play | 0.0% (2) | 66.7% (3) |
| Defence | 100.0% (3) | 75.0% (4) |
Opening leads by suit led: ♥ 100.0% (2) · ♣ 100.0% (1)
vs par by strain: NT -1.67 (6) · a suit -0.12 (8)
vs par by level: part-score -0.80 (5) · game -0.78 (9)
By role: declaring -2.66/bd (-4.86 vs par · 7) · defending -1.00/bd (+3.29 vs par · 7)
By vulnerability: vulnerable -1.44/bd (+1.29 vs par · 7) · not vulnerable -2.21/bd (-2.86 vs par · 7)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 32 | A.Rosenthal | M.Mazurkiewicz – K.Jassem | Open | 14 | -25.6 | -1.83 | -0.79 |
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 |
|---|---|---|---|---|---|---|---|
| +3.7 | Round of 32 | MAZURKIEWICZ | 12 | 1NT | ♦10 | -1 | +5 |
| +2.5 | Round of 32 | MAZURKIEWICZ | 8 | 3NT | ♣A | = | +11 |
| +1.1 | Round of 32 | MAZURKIEWICZ | 6 | 4♠ | ♦7 | +1 | +1 |
| +0.3 | Round of 32 | MAZURKIEWICZ | 1 | 5♠ | ♥3 | = | +0 |
| +0.2 | Round of 32 | MAZURKIEWICZ | 4 | 4♠ | ♥K | +1 | +13 |
| -0.4 | Round of 32 | MAZURKIEWICZ | 2 | 1NT | ♥7 | +1 | +0 |
| -0.6 | Round of 32 | MAZURKIEWICZ | 10 | 4♠ | ♦A | -1 | -6 |
| -2.6 | Round of 32 | MAZURKIEWICZ | 5 | 3♠ | ♦3 | = | +0 |
| -3.3 | Round of 32 | MAZURKIEWICZ | 11 | 3NT | ♦5 | -2 | -6 |
| -4.7 | Round of 32 | MAZURKIEWICZ | 7 | 5♣ | ♥8 | = | +0 |
| -4.7 | Round of 32 | MAZURKIEWICZ | 14 | 3NT | ♥9 | -1 | -10 |
| -5.7 | Round of 32 | MAZURKIEWICZ | 3 | 3NT | ♣2 | -1 | -10 |
| -5.7 | Round of 32 | MAZURKIEWICZ | 9 | 2♠ | ♣J | = | -6 |
| -5.7 | Round of 32 | MAZURKIEWICZ | 13 | 2♥ | ♣A | -2 | -3 |