🇺🇸 KATZ Ralph · USA 1
41rank
-59.2Butler · 96 bds
-0.62per board
±4.5swing
-0.72vs par /bd
-0.56adjusted /bd
by round
vs par split: bidding -0.26 · play -0.46
Strength of schedule: opponents averaged +0.05/bd (a tough draw) → opponent-adjusted -0.56/bd
Card play — on target: opening leads 70.8% · declarer play 85.7% · defence 80.4%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 63.6% (11) | 76.9% (13) |
| Declarer play | 100.0% (3) | 84.0% (25) |
| Defence | 83.3% (18) | 78.8% (33) |
Opening leads by suit led: ♠ 83.3% (6) · ♥ 66.7% (6) · ♦ 50.0% (4) · ♣ 75.0% (8)
vs par by strain: NT -0.48 (25) · a suit -0.80 (71)
vs par by level: part-score +0.70 (40) · game -1.39 (52) · slam -6.25 (4)
By role: declaring +0.64/bd (-1.24 vs par · 45) · defending -1.73/bd (-0.26 vs par · 51)
By vulnerability: vulnerable -0.72/bd (-0.92 vs par · 48) · not vulnerable -0.51/bd (-0.52 vs par · 48)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | N.Nickell | A.Malinowski – D.Bakhshi | Closed | 16 | +2.6 | +0.16 | -1.00 |
| Quarterfinal | N.Nickell | T.Forrester – A.Robson | Closed | 16 | -16.8 | -1.05 | +0.50 |
| Semifinal | N.Nickell | B.Chmurski – P.Tuczynski | Closed | 16 | -12.1 | -0.76 | +1.06 |
| Semifinal | N.Nickell | B.Chmurski – P.Tuczynski | Closed | 16 | -25.7 | -1.61 | +0.06 |
| Final | N.Nickell | U.Tundal – N.Kvangraven | Closed | 16 | -20.3 | -1.27 | -4.12 |
| Final | N.Nickell | E.Lindqvist – B.Brogeland | Open | 16 | +13.1 | +0.82 | -0.81 |
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 |
|---|---|---|---|---|---|---|---|
| +12.7 | Final | 🇳🇴 NORWAY | 13 | 7♦ | ♦9 | = | -2 |
| +12.3 | Final | 🇳🇴 NORWAY | 46 | 3NTx | ♠2 | = | +12 |
| +10.7 | Final | 🇳🇴 NORWAY | 36 | 4♥ | ♠K | = | +0 |
| +9.1 | Quarterfinal | 🏴 ENGLAND | 4 | 3NT | ♥5 | +1 | +11 |
| +6.7 | Semifinal | 🇵🇱 POLAND | 24 | 3♦ | ♥K | +1 | +6 |
| +5.7 | Semifinal | 🇵🇱 POLAND | 28 | 2♦ | ♠9 | = | +0 |
| +5.0 | Quarterfinal | 🏴 ENGLAND | 27 | 3♠ | ♣2 | +2 | +6 |
| +4.4 | Quarterfinal | 🏴 ENGLAND | 22 | 3♦ | ♥A | -2 | +5 |
| +4.3 | Semifinal | 🇵🇱 POLAND | 2 | 4♠x | ♥A | -1 | +5 |
| +4.0 | Quarterfinal | 🏴 ENGLAND | 3 | 4♥ | ♠A | = | +3 |
| +4.0 | Final | 🇳🇴 NORWAY | 35 | 3♥ | ♣4 | -1 | -2 |
| +4.0 | Final | 🇳🇴 NORWAY | 39 | 4♥ | ♠9 | +1 | +0 |
| +4.0 | Final | 🇳🇴 NORWAY | 48 | 2♠ | ♣2 | +1 | +0 |
| +3.9 | Quarterfinal | 🏴 ENGLAND | 13 | 5♦x | ♦3 | -1 | -7 |
| +3.7 | Final | 🇳🇴 NORWAY | 5 | 5♦ | ♠A | -1 | -12 |
| +3.3 | Semifinal | 🇵🇱 POLAND | 15 | 4♥ | ♦K | = | +0 |
| +3.3 | Final | 🇳🇴 NORWAY | 47 | 2♠ | ♥A | +1 | +7 |
| +2.7 | Final | 🇳🇴 NORWAY | 37 | 2♥ | ♠K | = | +0 |
| +2.7 | Final | 🇳🇴 NORWAY | 41 | 2♥ | ♠K | -1 | +4 |
| +2.3 | Semifinal | 🇵🇱 POLAND | 32 | 3NT | ♣2 | = | +10 |
| +2.0 | Quarterfinal | 🏴 ENGLAND | 21 | 2♥ | ♠J | = | +0 |
| +2.0 | Semifinal | 🇵🇱 POLAND | 16 | 3NT | ♥6 | = | +2 |
| +1.7 | Quarterfinal | 🏴 ENGLAND | 30 | 3NT | ♠5 | -1 | +5 |
| +1.6 | Quarterfinal | 🏴 ENGLAND | 5 | 3NT | ♦5 | +1 | +1 |
| +1.4 | Quarterfinal | 🏴 ENGLAND | 12 | 1NT | ♥7 | = | +0 |
| +1.3 | Semifinal | 🇵🇱 POLAND | 25 | 3♠ | ♥8 | = | +1 |
| +1.3 | Semifinal | 🇵🇱 POLAND | 31 | 2♥ | ♦7 | +1 | +1 |
| +1.3 | Final | 🇳🇴 NORWAY | 3 | 2♦ | ♦2 | = | -1 |
| +1.0 | Semifinal | 🇵🇱 POLAND | 10 | 3NT | ♦Q | +1 | -12 |
| +0.7 | Quarterfinal | 🏴 ENGLAND | 2 | 3♠ | ♥6 | = | +1 |
| +0.7 | Quarterfinal | 🏴 ENGLAND | 11 | 3♠ | ♦6 | +1 | +6 |
| +0.7 | Quarterfinal | 🏴 ENGLAND | 17 | 4♥ | ♠4 | +1 | +0 |
| +0.6 | Quarterfinal | 🏴 ENGLAND | 9 | 2♠ | ♠3 | +1 | +6 |
| +0.3 | Quarterfinal | 🏴 ENGLAND | 14 | 3♠ | ♥3 | = | -1 |
| -0.0 | Semifinal | 🇵🇱 POLAND | 4 | 4♥ | ♠K | = | +9 |
| -0.0 | Semifinal | 🇵🇱 POLAND | 5 | 4♠ | ♣5 | = | -3 |
| -0.0 | Semifinal | 🇵🇱 POLAND | 14 | 4♠ | ♥K | +1 | +0 |
| +0.0 | Final | 🇳🇴 NORWAY | 7 | 4♥ | ♣A | = | +0 |
| +0.0 | Final | 🇳🇴 NORWAY | 8 | 4♥ | ♠3 | +1 | +0 |
| +0.0 | Final | 🇳🇴 NORWAY | 9 | 4♠ | ♦J | +1 | +0 |
| +0.0 | Final | 🇳🇴 NORWAY | 15 | 2♥ | ♦4 | +1 | +0 |
| -0.0 | Final | 🇳🇴 NORWAY | 34 | 3NT | ♣5 | +1 | +0 |
| -0.0 | Final | 🇳🇴 NORWAY | 38 | 6♠ | ♦K | = | +0 |
| -0.0 | Final | 🇳🇴 NORWAY | 44 | 2NT | ♣J | = | +0 |
| -0.1 | Quarterfinal | 🏴 ENGLAND | 10 | 2♥ | ♣K | -1 | +1 |
| -0.3 | Quarterfinal | 🏴 ENGLAND | 25 | 3NT | ♠5 | +1 | +0 |
| -0.3 | Quarterfinal | 🏴 ENGLAND | 28 | 3NT | ♣9 | +3 | -1 |
| -0.3 | Semifinal | 🇵🇱 POLAND | 21 | 3NT | ♦2 | +1 | +0 |
| -0.6 | Quarterfinal | 🏴 ENGLAND | 29 | 4♠ | ♣6 | +1 | +0 |
| -0.7 | Quarterfinal | 🏴 ENGLAND | 24 | 3♣ | ♦K | -3 | +6 |
| -0.7 | Semifinal | 🇵🇱 POLAND | 19 | 4♥ | ♠3 | +2 | +14 |
| -0.9 | Quarterfinal | 🏴 ENGLAND | 1 | 3♦x | ♠A | -1 | -1 |
| -0.9 | Quarterfinal | 🏴 ENGLAND | 32 | 4♥ | ♣K | = | +0 |
| -1.0 | Semifinal | 🇵🇱 POLAND | 6 | 3NT | ♥3 | +2 | -1 |
| -1.0 | Semifinal | 🇵🇱 POLAND | 9 | 2♠ | ♥4 | = | +0 |
| -1.0 | Semifinal | 🇵🇱 POLAND | 11 | 4♥ | ♦K | = | +1 |
| -1.0 | Semifinal | 🇵🇱 POLAND | 13 | 4♠ | ♦A | -2 | +8 |
| -1.0 | Semifinal | 🇵🇱 POLAND | 20 | 3♣ | ♠4 | -1 | -6 |
| -1.0 | Final | 🇳🇴 NORWAY | 4 | 4♠ | ♥A | -2 | -13 |
| -1.0 | Final | 🇳🇴 NORWAY | 10 | 2♦ | ♥K | -2 | -9 |
| -1.0 | Final | 🇳🇴 NORWAY | 40 | 3NT | ♥4 | -1 | -10 |
| -1.3 | Semifinal | 🇵🇱 POLAND | 3 | 2♥ | ♠2 | -1 | +4 |
| -1.3 | Final | 🇳🇴 NORWAY | 6 | 2♥ | ♠5 | = | -6 |
| -1.4 | Quarterfinal | 🏴 ENGLAND | 7 | 2♦ | ♥5 | -1 | +0 |
| -1.7 | Quarterfinal | 🏴 ENGLAND | 23 | 3NT | ♣7 | = | +2 |
| -1.7 | Semifinal | 🇵🇱 POLAND | 12 | 3♥ | ♣10 | +1 | +10 |
| -2.0 | Semifinal | 🇵🇱 POLAND | 7 | 3♣ | ♠10 | = | +0 |
| -2.0 | Final | 🇳🇴 NORWAY | 11 | 2♠x | ♥10 | -3 | +3 |
| -2.3 | Semifinal | 🇵🇱 POLAND | 27 | 3♣x | ♦J | -3 | +2 |
| -2.7 | Quarterfinal | 🏴 ENGLAND | 18 | 3♥ | ♣2 | -2 | +0 |
| -2.7 | Semifinal | 🇵🇱 POLAND | 18 | 2♠ | ♦A | -1 | -4 |
| -3.0 | Semifinal | 🇵🇱 POLAND | 23 | 5♣ | ♥A | = | +2 |
| -3.3 | Quarterfinal | 🏴 ENGLAND | 16 | 4♠ | ♦2 | = | -7 |
| -3.3 | Semifinal | 🇵🇱 POLAND | 17 | 4♣ | ♦Q | +1 | -6 |
| -3.3 | Semifinal | 🇵🇱 POLAND | 30 | 4♥ | ♦6 | +2 | -11 |
| -3.7 | Quarterfinal | 🏴 ENGLAND | 20 | 4♥x | ♠Q | -2 | +3 |
| -3.7 | Semifinal | 🇵🇱 POLAND | 22 | 3NT | ♠10 | +1 | +10 |
| -3.7 | Final | 🇳🇴 NORWAY | 2 | 2♥ | ♦8 | -2 | +0 |
| -4.0 | Quarterfinal | 🏴 ENGLAND | 8 | 3NT | ♠3 | = | -7 |
| -4.0 | Quarterfinal | 🏴 ENGLAND | 15 | 3NT | ♥10 | = | -10 |
| -4.0 | Quarterfinal | 🏴 ENGLAND | 31 | 1NT | ♥5 | +1 | +1 |
| -4.0 | Final | 🇳🇴 NORWAY | 16 | 2♠ | ♥10 | +2 | -6 |
| -4.3 | Final | 🇳🇴 NORWAY | 43 | 2♣ | ♣3 | +1 | +0 |
| -6.0 | Quarterfinal | 🏴 ENGLAND | 6 | 4♥ | ♠8 | -2 | -12 |
| -6.0 | Semifinal | 🇵🇱 POLAND | 8 | 5♣ | ♥K | = | -7 |
| -6.3 | Quarterfinal | 🏴 ENGLAND | 26 | 3NT | ♠3 | -2 | -7 |
| -6.7 | Final | 🇳🇴 NORWAY | 14 | 5♣x | ♠K | -2 | -5 |
| -7.0 | Final | 🇳🇴 NORWAY | 33 | 6♠ | ♦3 | = | -11 |
| -7.7 | Semifinal | 🇵🇱 POLAND | 1 | 3NT | ♣6 | = | +1 |
| -8.0 | Final | 🇳🇴 NORWAY | 45 | 3NT | ♥J | +1 | -10 |
| -8.3 | Final | 🇳🇴 NORWAY | 1 | 4♠x | ♥8 | -1 | -9 |
| -9.4 | Quarterfinal | 🏴 ENGLAND | 19 | 4♠ | ♣K | = | -12 |
| -9.7 | Semifinal | 🇵🇱 POLAND | 29 | 4♥ | ♣2 | -1 | -6 |
| -10.0 | Final | 🇳🇴 NORWAY | 12 | 3NTx | ♠3 | +1 | -6 |
| -10.3 | Final | 🇳🇴 NORWAY | 42 | 3NT | ♠Q | = | -3 |
| -13.0 | Semifinal | 🇵🇱 POLAND | 26 | 6♦ | ♠3 | -2 | -12 |