KATZ Ralph · ZIA
vs par split: bidding +0.41 · play +0.12
Strength of schedule: opponents averaged +0.27/bd (a tough draw) → opponent-adjusted +0.66/bd
Card play — on target: opening leads 83.3% · declarer play 78.6% · defence 92.3%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (5) | 71.4% (7) |
| Declarer play | 85.7% (7) | 71.4% (7) |
| Defence | 85.7% (7) | 94.7% (19) |
Opening leads by suit led: ♠ 100.0% (4) · ♥ 75.0% (4) · ♦ 50.0% (2) · ♣ 100.0% (2)
vs par by strain: NT +1.59 (17) · a suit -0.03 (32)
vs par by level: part-score -0.70 (20) · game +1.48 (27) · slam +0.00 (2)
By role: declaring +0.55/bd (-1.21 vs par · 24) · defending +0.24/bd (+2.00 vs par · 26)
By vulnerability: vulnerable +0.20/bd (+0.44 vs par · 25) · not vulnerable +0.58/bd (+0.48 vs par · 25)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 11 | E.Sjoberg | C.Heller – H.Antonson | Closed | 10 | +31.2 | +3.12 | +2.70 |
| Round 12 | E.Sjoberg | J.Palau – J.Zochowska | Closed | 10 | -6.0 | -0.60 | -1.70 |
| Round 13 | E.Sjoberg | D.Wolpert – H.Wolpert | Closed | 10 | -4.6 | -0.46 | -0.70 |
| Round 14 | E.Sjoberg | P.Bogacki – V.Sauvage | Closed | 10 | -0.7 | -0.07 | +1.50 |
| Round 15 | E.Sjoberg | J.Hayman Piafsky – J.Kalita | Closed | 10 | -0.4 | -0.04 | +0.50 |
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 |
|---|---|---|---|---|---|---|---|
| +8.9 | Round 15 | ROSSARD | 27 | 6♦ | ♠5 | -1 | +13 |
| +8.6 | Round 11 | CALDARELLI | 14 | 4♠ | ♦A | +1 | +8 |
| +6.4 | Round 11 | CALDARELLI | 17 | 3NT | ♥J | +1 | +1 |
| +6.2 | Round 11 | CALDARELLI | 18 | 3NT | ♠2 | +1 | +4 |
| +5.6 | Round 14 | SHAPOUR | 13 | 2♣ | ♣10 | +1 | +1 |
| +5.4 | Round 11 | CALDARELLI | 12 | 3♦ | ♠3 | = | +6 |
| +5.2 | Round 11 | CALDARELLI | 20 | 3NT | ♠J | +2 | +10 |
| +4.9 | Round 11 | CALDARELLI | 16 | 4♥x | ♦6 | -1 | +12 |
| +4.3 | Round 13 | CANADA | 2 | 3NT | ♣7 | = | -1 |
| +4.3 | Round 15 | ROSSARD | 21 | 4♠ | ♥5 | -1 | +5 |
| +3.3 | Round 15 | ROSSARD | 29 | 4♥ | ♠5 | -1 | +6 |
| +2.4 | Round 12 | MONAFRIENDS | 23 | 3♥ | ♥9 | -1 | +6 |
| +2.1 | Round 13 | CANADA | 7 | 3NT | ♠5 | -2 | +7 |
| +1.8 | Round 12 | MONAFRIENDS | 24 | 2♠ | ♥A | -2 | -1 |
| +1.8 | Round 13 | CANADA | 10 | 4♥ | ♠K | -1 | -1 |
| +1.5 | Round 13 | CANADA | 8 | 3NT | ♦3 | +2 | +1 |
| +1.5 | Round 14 | SHAPOUR | 15 | 3NT | ♥8 | +1 | +10 |
| +1.4 | Round 15 | ROSSARD | 22 | 3♣ | ♥6 | = | +1 |
| +1.3 | Round 11 | CALDARELLI | 19 | 4♠ | ♥Q | = | +0 |
| +1.3 | Round 12 | MONAFRIENDS | 21 | 3NT | ♥A | = | +0 |
| +1.3 | Round 13 | CANADA | 1 | 3♠ | ♣2 | = | +0 |
| +1.0 | Round 12 | MONAFRIENDS | 27 | 3♠ | ♦2 | +2 | -6 |
| +0.8 | Round 14 | SHAPOUR | 11 | 3♥ | ♠8 | -2 | -1 |
| +0.7 | Round 14 | SHAPOUR | 19 | 3NT | ♣3 | +2 | +0 |
| +0.6 | Round 12 | MONAFRIENDS | 30 | 4♠ | ♥2 | +1 | +0 |
| +0.0 | Round 14 | SHAPOUR | 17 | 2♠ | ♥2 | +1 | -1 |
| -0.1 | Round 12 | MONAFRIENDS | 28 | 3♥ | ♦2 | -1 | -2 |
| -0.1 | Round 14 | SHAPOUR | 12 | 3NT | ♠5 | +2 | +0 |
| -0.3 | Round 13 | CANADA | 6 | Pass | -3 | ||
| -0.4 | Round 12 | MONAFRIENDS | 25 | 4♦ | ♥5 | -1 | +5 |
| -0.7 | Round 15 | ROSSARD | 24 | 3♥ | ♣2 | -1 | +2 |
| -0.8 | Round 15 | ROSSARD | 25 | 5♥ | ♠2 | -1 | -3 |
| -1.0 | Round 14 | SHAPOUR | 14 | 3♦ | ♣A | -1 | +2 |
| -1.0 | Round 14 | SHAPOUR | 16 | 3NT | ♠8 | +1 | +10 |
| -1.1 | Round 11 | CALDARELLI | 15 | 5♠x | ♣K | -2 | -5 |
| -1.9 | Round 13 | CANADA | 5 | 3♥ | ♦5 | +1 | -1 |
| -2.6 | Round 13 | CANADA | 9 | 2NT | ♠Q | = | +0 |
| -2.8 | Round 11 | CALDARELLI | 13 | 4♠ | ♥A | +1 | -4 |
| -2.8 | Round 15 | ROSSARD | 23 | 1NT | ♠6 | -1 | -6 |
| -2.9 | Round 11 | CALDARELLI | 11 | 5♣ | ♠8 | -1 | -5 |
| -3.2 | Round 12 | MONAFRIENDS | 26 | 2♥ | ♦A | +1 | +0 |
| -3.2 | Round 14 | SHAPOUR | 20 | 3NT | ♣6 | = | +0 |
| -3.3 | Round 13 | CANADA | 3 | 3NT | ♣2 | -1 | -10 |
| -3.8 | Round 12 | MONAFRIENDS | 29 | 6♠ | ♦6 | +1 | -13 |
| -3.8 | Round 15 | ROSSARD | 26 | 2♠ | ♥A | = | -6 |
| -4.0 | Round 14 | SHAPOUR | 18 | 3♦ | ♦2 | -1 | -6 |
| -4.1 | Round 15 | ROSSARD | 28 | 3NT | ♠10 | = | +0 |
| -5.6 | Round 12 | MONAFRIENDS | 22 | 5♥ | ♠A | -1 | -6 |
| -6.1 | Round 15 | ROSSARD | 30 | 2♠ | ♣4 | = | -7 |
| -7.5 | Round 13 | CANADA | 4 | 3NT | ♣10 | = | +1 |