🇺🇸 KATZ Ralph · USA 1
31rank
-35.0Butler · 128 bds
-0.27per board
±4.6swing
-0.05vs par /bd
-0.31adjusted /bd
by round
vs par split: bidding -0.68 · play +0.35
Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted -0.31/bd
Card play — on target: opening leads 76.0% · declarer play 80.6% · defence 92.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 76.0% (25) |
| Declarer play | · | 80.6% (31) |
| Defence | · | 92.0% (50) |
Opening leads by suit led: ♠ 71.4% (7) · ♥ 66.7% (6) · ♦ 87.5% (8) · ♣ 75.0% (4)
vs par by strain: a suit -0.27 (93)
vs par by level: part-score +0.66 (47) · game -1.38 (42) · slam +0.50 (4)
By role: declaring -0.17/bd (-1.97 vs par · 60) · defending -0.37/bd (+1.65 vs par · 68)
By vulnerability: vulnerable -0.55/bd (-1.30 vs par · 64) · not vulnerable +0.01/bd (+1.20 vs par · 64)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | G.Jacobs | B.Neill – R.Jedrychowski | Closed | 16 | -11.1 | -0.69 | -1.81 |
| Quarterfinal | G.Jacobs | B.Neill – R.Jedrychowski | Closed | 16 | +29.2 | +1.82 | +2.19 |
| Quarterfinal | G.Jacobs | P.Gumby – W.Lazer | Closed | 16 | -9.3 | -0.58 | +0.88 |
| Semifinal | G.Jacobs | A.Apteker – C.Gower | Open | 16 | +18.4 | +1.15 | +3.50 |
| Semifinal | G.Jacobs | C.Gower – A.Apteker | Closed | 16 | -9.2 | -0.57 | -3.12 |
| Final | G.Jacobs | G.Helgemo – T.Helness | Open | 16 | -26.0 | -1.62 | -1.81 |
| Final | G.Jacobs | G.Helgemo – T.Helness | Open | 16 | -16.0 | -1.00 | -0.06 |
| Final | G.Jacobs | U.Tundal – G.Groetheim | Closed | 16 | -11.0 | -0.69 | -0.12 |
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 |
|---|---|---|---|---|---|---|---|
| +11.3 | Quarterfinal | 🇦🇺 AUSTRALIA | 37 | 3♣x | ♣2 | = | +14 |
| +11.0 | Final | 🇳🇴 NORWAY | 79 | 2♠x | ♥Q | -2 | +9 |
| +10.0 | Final | 🇳🇴 NORWAY | 72 | 5♣ | ♠10 | = | +7 |
| +9.9 | Quarterfinal | 🇦🇺 AUSTRALIA | 64 | 5♥ | ♠3 | = | +4 |
| +8.7 | Quarterfinal | 🇦🇺 AUSTRALIA | 50 | 2♥ | ♥4 | +2 | +10 |
| +8.0 | Final | 🇳🇴 NORWAY | 36 | 4♥ | ♦J | -2 | +8 |
| +7.0 | Semifinal | 🇿🇦 SOUTH AFRICA | 8 | 3N | ♠4 | -3 | +7 |
| +7.0 | Final | 🇳🇴 NORWAY | 10 | 3♠x | ♥Q | -1 | +2 |
| +6.4 | Quarterfinal | 🇦🇺 AUSTRALIA | 34 | 5♦ | ♥A | -1 | +12 |
| +6.0 | Final | 🇳🇴 NORWAY | 35 | 1N | ♠2 | +1 | -1 |
| +5.3 | Semifinal | 🇿🇦 SOUTH AFRICA | 34 | 1N | ♠K | = | +11 |
| +4.7 | Quarterfinal | 🇦🇺 AUSTRALIA | 43 | 5♣x | ♠5 | -3 | +9 |
| +4.7 | Semifinal | 🇿🇦 SOUTH AFRICA | 1 | 4♥ | ♥5 | -3 | +6 |
| +4.7 | Semifinal | 🇿🇦 SOUTH AFRICA | 42 | 2♥ | ♠ | = | +6 |
| +4.6 | Quarterfinal | 🇦🇺 AUSTRALIA | 58 | 3♥ | ♦A | = | +7 |
| +4.3 | Semifinal | 🇿🇦 SOUTH AFRICA | 4 | 6♠ | ♥J | = | +13 |
| +4.0 | Quarterfinal | 🇦🇺 AUSTRALIA | 1 | 3♥ | ♣6 | -1 | +4 |
| +3.7 | Semifinal | 🇿🇦 SOUTH AFRICA | 14 | 2♣ | ♠A | -1 | +4 |
| +3.7 | Semifinal | 🇿🇦 SOUTH AFRICA | 15 | 3N | ♦6 | = | +7 |
| +3.5 | Semifinal | 🇿🇦 SOUTH AFRICA | 39 | 5♥x | ♠Q | -3 | -12 |
| +3.4 | Quarterfinal | 🇦🇺 AUSTRALIA | 41 | 2♠ | ♥10 | -1 | +4 |
| +3.3 | Semifinal | 🇿🇦 SOUTH AFRICA | 13 | 3N | ♠3 | +1 | +0 |
| +3.0 | Final | 🇳🇴 NORWAY | 66 | 6♣ | ♠5 | -3 | -11 |
| +2.9 | Quarterfinal | 🇦🇺 AUSTRALIA | 46 | 2♦ | ♥A | = | +0 |
| +2.7 | Semifinal | 🇿🇦 SOUTH AFRICA | 3 | 3♥ | ♦10 | -2 | +7 |
| +2.0 | Semifinal | 🇿🇦 SOUTH AFRICA | 2 | 3♣ | ♥5 | +4 | +12 |
| +2.0 | Final | 🇳🇴 NORWAY | 34 | 4♥ | ♠K | -3 | -10 |
| +2.0 | Final | 🇳🇴 NORWAY | 45 | 3N | ♦6 | +2 | +1 |
| +2.0 | Final | 🇳🇴 NORWAY | 48 | 3N | ♠3 | +2 | +1 |
| +1.9 | Quarterfinal | 🇦🇺 AUSTRALIA | 7 | 2♠ | ♣K | +1 | +0 |
| +1.9 | Quarterfinal | 🇦🇺 AUSTRALIA | 51 | 2♠ | ♥A | -2 | +6 |
| +1.5 | Semifinal | 🇿🇦 SOUTH AFRICA | 36 | 3♥ | ♣10 | -1 | -6 |
| +1.4 | Quarterfinal | 🇦🇺 AUSTRALIA | 40 | 4♠ | ♣3 | -1 | +5 |
| +1.3 | Quarterfinal | 🇦🇺 AUSTRALIA | 11 | 3♣ | ♠3 | = | +1 |
| +1.3 | Quarterfinal | 🇦🇺 AUSTRALIA | 39 | 3N | ♦10 | +2 | +1 |
| +1.0 | Quarterfinal | 🇦🇺 AUSTRALIA | 16 | 3N | ♦7 | = | +2 |
| +1.0 | Quarterfinal | 🇦🇺 AUSTRALIA | 42 | 3♣ | ♦Q | -1 | +0 |
| +1.0 | Semifinal | 🇿🇦 SOUTH AFRICA | 11 | 3♦ | ♥6 | +1 | +0 |
| +1.0 | Semifinal | 🇿🇦 SOUTH AFRICA | 45 | 4♠ | ♥2 | -1 | -12 |
| +1.0 | Final | 🇳🇴 NORWAY | 3 | 4♥ | ♦3 | +2 | -11 |
| +1.0 | Final | 🇳🇴 NORWAY | 6 | 5♦ | ♠K | = | +0 |
| +1.0 | Final | 🇳🇴 NORWAY | 11 | 3♠ | ♥K | = | +0 |
| +1.0 | Final | 🇳🇴 NORWAY | 68 | 4♥ | ♠8 | = | +1 |
| +1.0 | Final | 🇳🇴 NORWAY | 75 | 3♣ | ♠3 | = | +8 |
| +0.9 | Quarterfinal | 🇦🇺 AUSTRALIA | 36 | 2♦ | ♣6 | +2 | +0 |
| +0.9 | Quarterfinal | 🇦🇺 AUSTRALIA | 56 | 4♥ | ♠A | -1 | +2 |
| +0.7 | Quarterfinal | 🇦🇺 AUSTRALIA | 8 | 3♦ | ♠10 | -2 | +1 |
| +0.7 | Semifinal | 🇿🇦 SOUTH AFRICA | 9 | 3♠ | ♥2 | -1 | +2 |
| +0.6 | Quarterfinal | 🇦🇺 AUSTRALIA | 13 | 3♦ | ♥2 | +1 | +0 |
| +0.6 | Quarterfinal | 🇦🇺 AUSTRALIA | 14 | 3N | ♣4 | +1 | -11 |
| +0.6 | Quarterfinal | 🇦🇺 AUSTRALIA | 57 | 5♦ | ♠K | -2 | -5 |
| +0.5 | Semifinal | 🇿🇦 SOUTH AFRICA | 38 | 4♣ | ♥A | -1 | -2 |
| +0.4 | Quarterfinal | 🇦🇺 AUSTRALIA | 3 | 4♥ | ♣K | +1 | +0 |
| +0.3 | Quarterfinal | 🇦🇺 AUSTRALIA | 45 | 4♥ | ♠2 | +1 | +0 |
| +0.1 | Quarterfinal | 🇦🇺 AUSTRALIA | 35 | 4♥ | ♣3 | +1 | +0 |
| +0.1 | Quarterfinal | 🇦🇺 AUSTRALIA | 44 | 1N | ♣Q | -2 | +0 |
| -0.0 | Quarterfinal | 🇦🇺 AUSTRALIA | 10 | 4♠ | ♦2 | +1 | +0 |
| -0.0 | Quarterfinal | 🇦🇺 AUSTRALIA | 33 | 3N | ♥7 | +2 | +0 |
| -0.0 | Quarterfinal | 🇦🇺 AUSTRALIA | 38 | 4♠ | ♦4 | = | +0 |
| -0.0 | Quarterfinal | 🇦🇺 AUSTRALIA | 52 | 3♣ | ♥3 | +1 | +0 |
| -0.0 | Quarterfinal | 🇦🇺 AUSTRALIA | 59 | 4♠ | ♣4 | +1 | +0 |
| -0.0 | Quarterfinal | 🇦🇺 AUSTRALIA | 63 | 3N | ♣4 | +1 | +0 |
| +0.0 | Semifinal | 🇿🇦 SOUTH AFRICA | 6 | 5♦ | ♦5 | -2 | +7 |
| -0.0 | Semifinal | 🇿🇦 SOUTH AFRICA | 35 | 4♥ | ♦A | -2 | -9 |
| -0.0 | Semifinal | 🇿🇦 SOUTH AFRICA | 41 | 3N | ♥10 | +2 | +1 |
| -0.0 | Semifinal | 🇿🇦 SOUTH AFRICA | 43 | 4♥ | ♦5 | = | -1 |
| -0.0 | Semifinal | 🇿🇦 SOUTH AFRICA | 46 | 4♥ | ♦6 | -1 | -4 |
| -0.0 | Semifinal | 🇿🇦 SOUTH AFRICA | 47 | 2♦ | ♣8 | +2 | +0 |
| +0.0 | Final | 🇳🇴 NORWAY | 1 | 3N | ♥3 | = | +7 |
| +0.0 | Final | 🇳🇴 NORWAY | 5 | 4♠x | ♣A | = | -12 |
| +0.0 | Final | 🇳🇴 NORWAY | 7 | 1N | ♣A | -1 | -6 |
| +0.0 | Final | 🇳🇴 NORWAY | 8 | 3N | ♠J | -3 | +11 |
| +0.0 | Final | 🇳🇴 NORWAY | 9 | 3♥ | ♠2 | -1 | -5 |
| +0.0 | Final | 🇳🇴 NORWAY | 12 | 4♥ | ♠Q | +2 | +11 |
| +0.0 | Final | 🇳🇴 NORWAY | 14 | 2♠ | ♥Q | = | -7 |
| +0.0 | Final | 🇳🇴 NORWAY | 15 | 4♥ | ♦9 | -3 | +2 |
| +0.0 | Final | 🇳🇴 NORWAY | 38 | 4♥ | ♦K | -1 | -5 |
| +0.0 | Final | 🇳🇴 NORWAY | 42 | 4♠ | ♥A | +1 | +0 |
| +0.0 | Final | 🇳🇴 NORWAY | 46 | 3N | ♥2 | -2 | +6 |
| +0.0 | Final | 🇳🇴 NORWAY | 47 | 3N | ♠Q | -2 | +11 |
| -0.0 | Final | 🇳🇴 NORWAY | 65 | 4♠ | ♥6 | = | -1 |
| -0.0 | Final | 🇳🇴 NORWAY | 67 | 7♠ | ♦K | = | +0 |
| -0.0 | Final | 🇳🇴 NORWAY | 69 | 3N | ♣Q | +2 | +13 |
| -0.0 | Final | 🇳🇴 NORWAY | 71 | 5♥x | ♠2 | -2 | +0 |
| -0.0 | Final | 🇳🇴 NORWAY | 73 | 3N | ♦6 | -1 | +10 |
| -0.1 | Quarterfinal | 🇦🇺 AUSTRALIA | 62 | 3♣ | ♦K | -3 | -1 |
| -0.3 | Quarterfinal | 🇦🇺 AUSTRALIA | 47 | 3N | ♣6 | +1 | +0 |
| -0.3 | Semifinal | 🇿🇦 SOUTH AFRICA | 5 | 4♥ | ♥5 | = | +0 |
| -0.7 | Quarterfinal | 🇦🇺 AUSTRALIA | 54 | 3♠ | ♦A | = | +0 |
| -0.7 | Semifinal | 🇿🇦 SOUTH AFRICA | 33 | 3♥ | ♣Q | -1 | +2 |
| -0.9 | Quarterfinal | 🇦🇺 AUSTRALIA | 4 | 2♥ | ♣4 | +1 | -10 |
| -1.0 | Final | 🇳🇴 NORWAY | 33 | 3♣ | ♦J | +2 | +6 |
| -1.0 | Final | 🇳🇴 NORWAY | 76 | 1N | ♣Q | = | -1 |
| -1.0 | Final | 🇳🇴 NORWAY | 77 | 5♣ | ♠J | = | -13 |
| -1.1 | Quarterfinal | 🇦🇺 AUSTRALIA | 9 | 1N | ♦7 | +1 | +0 |
| -1.1 | Quarterfinal | 🇦🇺 AUSTRALIA | 61 | 1N | ♦5 | = | -5 |
| -1.3 | Quarterfinal | 🇦🇺 AUSTRALIA | 6 | 4♠ | ♥A | +1 | +0 |
| -1.3 | Semifinal | 🇿🇦 SOUTH AFRICA | 12 | 3♠ | ♥Q | -2 | -2 |
| -1.9 | Quarterfinal | 🇦🇺 AUSTRALIA | 49 | 3N | ♣4 | +2 | +11 |
| -2.0 | Semifinal | 🇿🇦 SOUTH AFRICA | 37 | 4♥ | ♣A | -1 | -5 |
| -2.0 | Final | 🇳🇴 NORWAY | 44 | 1N | ♥J | +2 | -2 |
| -2.3 | Quarterfinal | 🇦🇺 AUSTRALIA | 12 | 2♠ | ♣K | = | +0 |
| -3.0 | Semifinal | 🇿🇦 SOUTH AFRICA | 48 | 2N | ♣7 | -2 | -3 |
| -3.1 | Quarterfinal | 🇦🇺 AUSTRALIA | 5 | 3N | ♠7 | = | -3 |
| -3.7 | Semifinal | 🇿🇦 SOUTH AFRICA | 7 | 1♥ | ♣8 | +1 | +0 |
| -3.7 | Semifinal | 🇿🇦 SOUTH AFRICA | 10 | 2♥ | ♥6 | = | -6 |
| -4.0 | Final | 🇳🇴 NORWAY | 43 | 1N | ♠6 | -1 | -4 |
| -4.3 | Quarterfinal | 🇦🇺 AUSTRALIA | 48 | 3N | ♠3 | -3 | -10 |
| -5.0 | Quarterfinal | 🇦🇺 AUSTRALIA | 15 | 3♠ | ♣K | +1 | -1 |
| -5.0 | Final | 🇳🇴 NORWAY | 39 | 4♥ | ♣3 | +2 | -5 |
| -5.0 | Final | 🇳🇴 NORWAY | 78 | 2♠ | ♥Q | +1 | +6 |
| -5.7 | Semifinal | 🇿🇦 SOUTH AFRICA | 16 | 3♦ | ♥4 | +1 | -1 |
| -6.0 | Semifinal | 🇿🇦 SOUTH AFRICA | 40 | 3♠x | ♥10 | -3 | -3 |
| -6.0 | Final | 🇳🇴 NORWAY | 40 | 1N | ♣5 | -1 | -2 |
| -6.0 | Final | 🇳🇴 NORWAY | 41 | 4♠ | ♥K | -2 | +7 |
| -7.0 | Final | 🇳🇴 NORWAY | 2 | 3♥ | ♠A | +1 | -1 |
| -7.0 | Final | 🇳🇴 NORWAY | 13 | 2♠ | ♣Q | -2 | -8 |
| -7.9 | Quarterfinal | 🇦🇺 AUSTRALIA | 2 | 2♥x | ♦10 | -1 | -12 |
| -8.7 | Quarterfinal | 🇦🇺 AUSTRALIA | 53 | 4♥x | ♣A | -2 | -5 |
| -10.0 | Final | 🇳🇴 NORWAY | 70 | 4♦ | ♥K | = | -10 |
| -10.0 | Final | 🇳🇴 NORWAY | 74 | 4♠ | ♣4 | = | -15 |
| -10.0 | Final | 🇳🇴 NORWAY | 80 | 4♣ | ♦A | = | -5 |
| -11.0 | Final | 🇳🇴 NORWAY | 4 | 1N | ♦Q | = | -11 |
| -11.0 | Final | 🇳🇴 NORWAY | 16 | 5♣ | ♦6 | = | -1 |
| -11.4 | Quarterfinal | 🇦🇺 AUSTRALIA | 55 | 6♠ | ♦A | = | +0 |
| -12.0 | Quarterfinal | 🇦🇺 AUSTRALIA | 60 | 3N | ♠2 | = | -10 |
| -12.0 | Final | 🇳🇴 NORWAY | 37 | 3N | ♠J | +4 | -12 |
| -14.0 | Semifinal | 🇿🇦 SOUTH AFRICA | 44 | 5♣ | ♠A | = | -13 |