MAHAFFEY Jim · MAHAFFEY
527rank
-43.4Butler · 30 bds
-1.45per board
±4.0swing
-2.27vs par /bd
-1.19adjusted /bd
by round
vs par split: bidding -0.57 · play -1.70
Strength of schedule: opponents averaged +0.26/bd (a tough draw) → opponent-adjusted -1.19/bd
Card play — on target: opening leads 100.0% · declarer play 87.5% · defence 70.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 100.0% (3) |
| Declarer play | 50.0% (2) | 100.0% (6) |
| Defence | 33.3% (3) | 85.7% (7) |
Opening leads by suit led: ♠ 100.0% (4) · ♦ 100.0% (1)
vs par by strain: NT -3.58 (12) · a suit -1.39 (18)
vs par by level: part-score -1.25 (12) · game -2.94 (18)
By role: declaring -1.76/bd (-3.05 vs par · 20) · defending -0.82/bd (-0.70 vs par · 10)
By vulnerability: vulnerable -1.63/bd (-3.39 vs par · 18) · not vulnerable -1.17/bd (-0.58 vs par · 12)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | J.Radin | V.Tagliaferri – F.Hugony | Closed | 10 | -4.7 | -0.47 | -2.10 |
| Round 3 | J.Radin | T.Asbi – L.Bojoh | Open | 10 | -5.9 | -0.59 | -0.50 |
| Round 6 | J.Radin | L.Zhang – L.Zhou | Open | 10 | -32.8 | -3.28 | -4.20 |
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 |
|---|---|---|---|---|---|---|---|
| +4.1 | Round 6 | REIGNWOOD | 9 | 2NT | ♠2 | = | +1 |
| +3.9 | Round 3 | INDONESIA | 4 | 5♦ | ♠2 | = | -2 |
| +3.7 | Round 3 | INDONESIA | 2 | 3♥ | ♣3 | -2 | +11 |
| +3.6 | Round 3 | INDONESIA | 1 | 3NT | ♣4 | +1 | +7 |
| +2.7 | Round 1 | KEY LIME PIE | 1 | 3♣ | ♥9 | -2 | +5 |
| +2.7 | Round 1 | KEY LIME PIE | 3 | 5♦ | ♥A | +1 | -10 |
| +1.9 | Round 1 | KEY LIME PIE | 5 | 2♠ | ♥Q | +1 | +0 |
| +1.9 | Round 1 | KEY LIME PIE | 6 | 3NT | ♥5 | +1 | +0 |
| +1.9 | Round 6 | REIGNWOOD | 3 | 4♥ | ♠3 | +2 | +11 |
| +1.2 | Round 6 | REIGNWOOD | 2 | 3NT | ♥Q | +1 | +1 |
| +1.0 | Round 1 | KEY LIME PIE | 10 | 3NT | ♠6 | -1 | -1 |
| +0.9 | Round 3 | INDONESIA | 3 | 3NT | ♥9 | +2 | +1 |
| +0.3 | Round 3 | INDONESIA | 6 | 4♥ | ♣8 | = | +1 |
| -0.3 | Round 1 | KEY LIME PIE | 4 | 4♠ | ♦4 | +1 | +0 |
| -1.0 | Round 1 | KEY LIME PIE | 2 | 3NT | ♦4 | +1 | +0 |
| -1.4 | Round 6 | REIGNWOOD | 8 | 3♦ | ♠3 | -4 | +5 |
| -1.9 | Round 3 | INDONESIA | 7 | 2♠ | ♥6 | = | -5 |
| -2.8 | Round 1 | KEY LIME PIE | 7 | 1♠ | ♦Q | -1 | -5 |
| -3.2 | Round 6 | REIGNWOOD | 1 | 5♦ | ♥A | = | -7 |
| -3.2 | Round 6 | REIGNWOOD | 7 | 3♣ | ♠4 | +2 | -11 |
| -3.6 | Round 3 | INDONESIA | 10 | 1NT | ♠9 | = | -5 |
| -3.7 | Round 3 | INDONESIA | 9 | 3♥ | ♠5 | -1 | -6 |
| -4.1 | Round 6 | REIGNWOOD | 10 | 2♥ | ♠K | = | -6 |
| -4.3 | Round 3 | INDONESIA | 8 | 4♥ | ♥K | -3 | +4 |
| -4.4 | Round 1 | KEY LIME PIE | 9 | 3♥ | ♣5 | +1 | +1 |
| -4.8 | Round 3 | INDONESIA | 5 | 3NT | ♠4 | -1 | -11 |
| -6.0 | Round 6 | REIGNWOOD | 5 | 4♠ | ♣A | +2 | -11 |
| -6.4 | Round 1 | KEY LIME PIE | 8 | 3NT | ♣10 | -2 | -11 |
| -10.5 | Round 6 | REIGNWOOD | 4 | 3NT | ♣5 | -1 | -12 |
| -11.6 | Round 6 | REIGNWOOD | 6 | 3NT | ♥J | -1 | -13 |