🇺🇸 KATZ Ralph · USA 1
7rank
+40.7Butler · 80 bds
+0.51per board
±4.8swing
+0.40vs par /bd
+0.36adjusted /bd
by round
vs par split: bidding +0.47 · play -0.07
Strength of schedule: opponents averaged -0.15/bd (an easy draw) → opponent-adjusted +0.36/bd
Card play — on target: opening leads 70.7% · declarer play 100.0% · defence 82.2%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 88.9% (9) | 65.6% (32) |
| Declarer play | 100.0% (3) | 100.0% (1) |
| Defence | 54.5% (11) | 91.2% (34) |
Opening leads by suit led: ♠ 62.5% (8) · ♥ 66.7% (12) · ♦ 83.3% (12) · ♣ 66.7% (9)
vs par by strain: NT -1.04 (22) · a suit +0.95 (58)
vs par by level: part-score +0.58 (26) · game -0.18 (50) · slam +6.50 (4)
By role: declaring +1.35/bd (-0.46 vs par · 35) · defending -0.14/bd (+1.07 vs par · 45)
By vulnerability: vulnerable +0.43/bd (+0.40 vs par · 40) · not vulnerable +0.59/bd (+0.40 vs par · 40)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | N.Nickell | G.Hegedus – B.Szegedi | Open | 16 | -13.7 | -0.86 | -0.25 |
| Quarterfinal | N.Nickell | C.Szabo – G.Winkler | Closed | 16 | +31.4 | +1.96 | +1.75 |
| Quarterfinal | N.Nickell | M.Dumbovich – G.Winkler | Closed | 16 | -3.4 | -0.21 | -2.25 |
| Semifinal | N.Nickell | M.Klukowski – P.Gawrys | Closed | 16 | +14.4 | +0.90 | +2.62 |
| Semifinal | N.Nickell | S.Brink – B.Drijver | Closed | 16 | +12.0 | +0.75 | +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 |
|---|---|---|---|---|---|---|---|
| +14.0 | Quarterfinal | 🇭🇺 HUNGARY | 79 | 7♠ | ♠9 | -1 | +14 |
| +12.0 | Semifinal | 🇨🇭 SWITZERLAND | 34 | 3NT | ♦3 | = | +7 |
| +12.0 | Semifinal | 🇨🇭 SWITZERLAND | 39 | 4♥ | ♠5 | -1 | +12 |
| +12.0 | Semifinal | 🇨🇭 SWITZERLAND | 64 | 4♥xx | ♦A | = | +10 |
| +10.3 | Semifinal | 🇨🇭 SWITZERLAND | 54 | 4♠ | ♦J | = | +7 |
| +10.1 | Quarterfinal | 🇭🇺 HUNGARY | 71 | 2♦x | ♠K | -1 | -2 |
| +8.9 | Quarterfinal | 🇭🇺 HUNGARY | 78 | 2♦x | ♥7 | -4 | +8 |
| +8.6 | Quarterfinal | 🇭🇺 HUNGARY | 30 | 4♥ | ♣2 | = | +8 |
| +7.3 | Semifinal | 🇨🇭 SWITZERLAND | 36 | 3♦ | ♦7 | +1 | +11 |
| +7.0 | Semifinal | 🇨🇭 SWITZERLAND | 53 | 2♠ | ♥10 | +2 | -8 |
| +5.0 | Quarterfinal | 🇭🇺 HUNGARY | 92 | 4♥ | ♦2 | = | +0 |
| +4.7 | Quarterfinal | 🇭🇺 HUNGARY | 86 | 6NT | ♣9 | +1 | +1 |
| +4.7 | Semifinal | 🇨🇭 SWITZERLAND | 37 | 2♥ | ♠4 | -1 | +0 |
| +4.7 | Semifinal | 🇨🇭 SWITZERLAND | 56 | 3NT | ♣A | -1 | +5 |
| +4.1 | Quarterfinal | 🇭🇺 HUNGARY | 69 | 4♠ | ♣Q | = | +0 |
| +3.1 | Quarterfinal | 🇭🇺 HUNGARY | 25 | 6♠ | ♥2 | +1 | +11 |
| +2.3 | Quarterfinal | 🇭🇺 HUNGARY | 94 | 5♣ | ♦J | +1 | -1 |
| +2.1 | Quarterfinal | 🇭🇺 HUNGARY | 96 | 3NT | ♥8 | -2 | +7 |
| +1.9 | Quarterfinal | 🇭🇺 HUNGARY | 24 | 2NT | ♥10 | +1 | +1 |
| +1.7 | Quarterfinal | 🇭🇺 HUNGARY | 22 | 4♠ | ♦K | = | +8 |
| +1.7 | Quarterfinal | 🇭🇺 HUNGARY | 84 | 3NT | ♠9 | +2 | +1 |
| +1.3 | Quarterfinal | 🇭🇺 HUNGARY | 91 | 5♣x | ♥K | -1 | -5 |
| +1.3 | Semifinal | 🇨🇭 SWITZERLAND | 55 | 3♦ | ♥A | -2 | +2 |
| +1.1 | Quarterfinal | 🇭🇺 HUNGARY | 66 | 3♥ | ♣6 | +3 | +6 |
| +1.1 | Quarterfinal | 🇭🇺 HUNGARY | 89 | 1NT | ♣A | -1 | -8 |
| +1.0 | Quarterfinal | 🇭🇺 HUNGARY | 74 | 4♠ | ♦A | +1 | -13 |
| +1.0 | Semifinal | 🇨🇭 SWITZERLAND | 60 | 1NT | ♣5 | = | +1 |
| +0.9 | Quarterfinal | 🇭🇺 HUNGARY | 72 | 4♥ | ♠4 | +1 | +1 |
| +0.7 | Semifinal | 🇨🇭 SWITZERLAND | 43 | 3♥ | ♣8 | = | +0 |
| +0.7 | Semifinal | 🇨🇭 SWITZERLAND | 48 | 4♠ | ♣A | = | +0 |
| +0.7 | Semifinal | 🇨🇭 SWITZERLAND | 62 | 2♠ | ♥K | = | -1 |
| +0.6 | Quarterfinal | 🇭🇺 HUNGARY | 75 | 3NT | ♠4 | +1 | +1 |
| +0.4 | Quarterfinal | 🇭🇺 HUNGARY | 17 | 4♥ | ♠K | = | +0 |
| +0.3 | Quarterfinal | 🇭🇺 HUNGARY | 68 | 3NT | ♥6 | +1 | +0 |
| +0.3 | Quarterfinal | 🇭🇺 HUNGARY | 90 | 3NT | ♥2 | +1 | +0 |
| +0.1 | Quarterfinal | 🇭🇺 HUNGARY | 83 | 3NT | ♠2 | +4 | -10 |
| -0.0 | Quarterfinal | 🇭🇺 HUNGARY | 23 | 4♠ | ♦10 | +1 | +0 |
| +0.0 | Quarterfinal | 🇭🇺 HUNGARY | 67 | 3NT | ♥2 | +1 | +0 |
| +0.0 | Quarterfinal | 🇭🇺 HUNGARY | 77 | 2♠ | ♥K | -1 | +0 |
| +0.0 | Semifinal | 🇨🇭 SWITZERLAND | 33 | 3♠ | ♦K | -2 | +0 |
| +0.0 | Semifinal | 🇨🇭 SWITZERLAND | 41 | 3♥ | ♦4 | -1 | +2 |
| +0.0 | Semifinal | 🇨🇭 SWITZERLAND | 44 | 4♥ | ♦K | +1 | +0 |
| +0.0 | Semifinal | 🇨🇭 SWITZERLAND | 49 | 4♥ | ♥6 | -1 | -5 |
| +0.0 | Semifinal | 🇨🇭 SWITZERLAND | 57 | 4♠ | ♥6 | = | -3 |
| +0.0 | Semifinal | 🇨🇭 SWITZERLAND | 61 | 4♥ | ♦8 | +1 | +0 |
| -0.1 | Quarterfinal | 🇭🇺 HUNGARY | 18 | 4♥ | ♦7 | +1 | +0 |
| -0.1 | Quarterfinal | 🇭🇺 HUNGARY | 73 | 4♠ | ♦7 | +1 | +0 |
| -0.3 | Quarterfinal | 🇭🇺 HUNGARY | 31 | 3NT | ♠4 | = | +0 |
| -0.3 | Quarterfinal | 🇭🇺 HUNGARY | 88 | 2♠ | ♦4 | = | +0 |
| -0.3 | Quarterfinal | 🇭🇺 HUNGARY | 93 | 4♠ | ♥7 | +1 | +0 |
| -0.3 | Semifinal | 🇨🇭 SWITZERLAND | 42 | 4♠ | ♣K | +1 | +0 |
| -0.6 | Quarterfinal | 🇭🇺 HUNGARY | 27 | 2NT | ♥K | -1 | -4 |
| -0.6 | Quarterfinal | 🇭🇺 HUNGARY | 81 | 4♥ | ♣K | -3 | -7 |
| -0.7 | Semifinal | 🇨🇭 SWITZERLAND | 40 | 4♠ | ♥7 | +1 | -1 |
| -0.7 | Semifinal | 🇨🇭 SWITZERLAND | 45 | 2♦ | ♠3 | +3 | +10 |
| -0.7 | Semifinal | 🇨🇭 SWITZERLAND | 59 | 4♥ | ♠3 | +2 | +11 |
| -1.0 | Semifinal | 🇨🇭 SWITZERLAND | 50 | 4♠ | ♥6 | -1 | -6 |
| -1.3 | Semifinal | 🇨🇭 SWITZERLAND | 63 | 3NT | ♦A | +1 | -1 |
| -1.4 | Quarterfinal | 🇭🇺 HUNGARY | 80 | 2♥ | ♣Q | -1 | +2 |
| -2.0 | Quarterfinal | 🇭🇺 HUNGARY | 32 | 1NT | ♠5 | = | +0 |
| -2.1 | Quarterfinal | 🇭🇺 HUNGARY | 65 | 4♥ | ♠8 | = | +0 |
| -2.3 | Quarterfinal | 🇭🇺 HUNGARY | 19 | 4♥ | ♦10 | -1 | -10 |
| -2.3 | Quarterfinal | 🇭🇺 HUNGARY | 87 | 2NT | ♠A | -1 | +5 |
| -3.0 | Quarterfinal | 🇭🇺 HUNGARY | 70 | 5♠ | ♥K | = | +0 |
| -3.0 | Quarterfinal | 🇭🇺 HUNGARY | 76 | 4♥ | ♦J | +1 | +11 |
| -3.7 | Quarterfinal | 🇭🇺 HUNGARY | 29 | 7♠ | ♠6 | = | +0 |
| -3.9 | Quarterfinal | 🇭🇺 HUNGARY | 20 | 2NT | ♠7 | = | -1 |
| -4.0 | Semifinal | 🇨🇭 SWITZERLAND | 51 | 3♥ | ♦2 | -1 | +2 |
| -4.3 | Semifinal | 🇨🇭 SWITZERLAND | 38 | 3♣ | ♥Q | = | +0 |
| -4.3 | Semifinal | 🇨🇭 SWITZERLAND | 46 | 4♠ | ♦Q | -2 | +0 |
| -4.7 | Semifinal | 🇨🇭 SWITZERLAND | 35 | 5♣x | ♥7 | -3 | +0 |
| -5.0 | Quarterfinal | 🇭🇺 HUNGARY | 82 | 4♥ | ♣8 | = | +0 |
| -5.3 | Quarterfinal | 🇭🇺 HUNGARY | 26 | 1NT | ♥Q | = | -12 |
| -5.3 | Quarterfinal | 🇭🇺 HUNGARY | 28 | 5♣ | ♦7 | -2 | +1 |
| -5.6 | Quarterfinal | 🇭🇺 HUNGARY | 95 | 4♥ | ♦9 | +2 | -13 |
| -5.9 | Quarterfinal | 🇭🇺 HUNGARY | 21 | 5♥ | ♣A | -2 | -6 |
| -6.3 | Semifinal | 🇨🇭 SWITZERLAND | 52 | 4♥ | ♣6 | +3 | -2 |
| -7.9 | Quarterfinal | 🇭🇺 HUNGARY | 85 | 3NT | ♦9 | = | -6 |
| -8.0 | Semifinal | 🇨🇭 SWITZERLAND | 47 | 3♥ | ♣4 | +1 | +1 |
| -11.7 | Semifinal | 🇨🇭 SWITZERLAND | 58 | 3NT | ♦Q | = | -10 |