🇦🇺 MCMAHON John · AUSTRALIA
vs par split: bidding +0.44 · play -0.17
Strength of schedule: opponents averaged -0.21/bd (an easy draw) → opponent-adjusted +0.18/bd
Card play — on target: opening leads 64.0% #18 of 18 · declarer play 84.2% #4 of 18 · defence 76.3% #17 of 18
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 33.3% (3) | 68.2% (22) |
| Declarer play | 100.0% (6) | 76.9% (13) |
| Defence | 71.4% (7) | 77.4% (31) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 83.3% (6) · ♦ 60.0% (10) · ♣ 57.1% (7)
vs par by strain: NT +1.22 (18) · a suit -0.04 (54)
vs par by level: part-score +1.00 (29) · game -0.21 (42) · slam +0.00 (1)
By role: declaring +0.62/bd (-1.62 vs par · 34) · defending +0.18/bd (+1.97 vs par · 38)
By vulnerability: vulnerable +0.38/bd (+1.08 vs par · 36) · not vulnerable +0.40/bd (-0.53 vs par · 36)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | N.Ranson | H.Tanabe – H.Yuge | Closed | 16 | +15.8 | +0.99 | +0.75 |
| Semifinal | N.Ranson | T.Sprinkhuizen – G.Mendes De Leon | Open | 14 | -0.7 | -0.05 | +0.79 |
| Semifinal | N.Ranson | T.Sprinkhuizen – G.Mendes De Leon | Open | 14 | -11.3 | -0.81 | -2.21 |
| Final | N.Ranson | S.Kennedy – J.Ye | Closed | 14 | +39.0 | +2.79 | +1.93 |
| Final | N.Ranson | B.Norton – S.Natt | Closed | 14 | -14.9 | -1.06 | +0.07 |
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 |
|---|---|---|---|---|---|---|---|
| +14.3 | Quarterfinal | 🇯🇵 JAPAN | 20 | 4♥x | ♣K | -2 | +15 |
| +13.0 | Final | NATT | 13 | 3♠ | ♥A | = | +12 |
| +12.0 | Semifinal | 🇳🇱 NETHERLANDS | 10 | 5♦ | ♥4 | -1 | +12 |
| +12.0 | Semifinal | 🇳🇱 NETHERLANDS | 37 | 6♠ | ♣7 | = | +0 |
| +10.3 | Quarterfinal | 🇯🇵 JAPAN | 25 | 4♠x | ♦7 | -2 | +10 |
| +10.0 | Semifinal | 🇳🇱 NETHERLANDS | 29 | 3NT | ♠7 | +1 | +0 |
| +9.7 | Final | NATT | 1 | 4♥ | ♣9 | +1 | +1 |
| +9.3 | Final | NATT | 6 | 5♥x | ♣A | -2 | +2 |
| +8.7 | Semifinal | 🇳🇱 NETHERLANDS | 31 | 4♥ | ♣4 | +1 | +13 |
| +8.7 | Final | NATT | 14 | 2♦x | ♥J | -2 | +5 |
| +7.7 | Semifinal | 🇳🇱 NETHERLANDS | 9 | 4♥x | ♦6 | -3 | +9 |
| +4.3 | Quarterfinal | 🇯🇵 JAPAN | 26 | 3NT | ♦3 | +1 | +10 |
| +4.3 | Final | NATT | 12 | 2♦ | ♣7 | = | +0 |
| +4.0 | Semifinal | 🇳🇱 NETHERLANDS | 30 | 4♠ | ♣5 | +2 | -13 |
| +4.0 | Final | NATT | 11 | 2♠ | ♣K | +2 | +6 |
| +3.7 | Final | NATT | 42 | 3NT | ♦5 | +2 | +1 |
| +3.4 | Quarterfinal | 🇯🇵 JAPAN | 32 | 3NT | ♦5 | = | -1 |
| +3.3 | Quarterfinal | 🇯🇵 JAPAN | 24 | 3♠ | ♠9 | +1 | +6 |
| +3.3 | Final | NATT | 4 | 2♥ | ♠2 | -4 | +6 |
| +3.3 | Final | NATT | 5 | 4♠ | ♥K | +2 | +9 |
| +2.7 | Final | NATT | 39 | 4♥ | ♣3 | -1 | -2 |
| +2.3 | Semifinal | 🇳🇱 NETHERLANDS | 1 | 3NT | ♥6 | -2 | +14 |
| +2.3 | Semifinal | 🇳🇱 NETHERLANDS | 2 | 5♥ | ♠J | = | -10 |
| +2.0 | Quarterfinal | 🇯🇵 JAPAN | 30 | 2♥ | ♥8 | +1 | +6 |
| +1.7 | Quarterfinal | 🇯🇵 JAPAN | 31 | 1NT | ♦6 | = | +5 |
| +1.0 | Quarterfinal | 🇯🇵 JAPAN | 22 | 2♦ | ♦7 | -2 | +0 |
| +1.0 | Final | NATT | 10 | 4♥ | ♥6 | -2 | +7 |
| +1.0 | Final | NATT | 31 | 2♠ | ♦K | = | +6 |
| +1.0 | Final | NATT | 32 | 2♦ | ♠K | +2 | +0 |
| +0.9 | Quarterfinal | 🇯🇵 JAPAN | 21 | 4♥ | ♦3 | +1 | -10 |
| +0.7 | Semifinal | 🇳🇱 NETHERLANDS | 6 | 4♥ | ♦K | = | -3 |
| +0.7 | Final | NATT | 33 | 1NT | ♥7 | +1 | +1 |
| +0.3 | Semifinal | 🇳🇱 NETHERLANDS | 3 | 3♥ | ♦Q | = | +6 |
| +0.3 | Semifinal | 🇳🇱 NETHERLANDS | 35 | 3NT | ♠10 | -2 | +3 |
| +0.3 | Final | NATT | 35 | 4♥ | ♣Q | = | +1 |
| +0.3 | Final | NATT | 36 | 4♥ | ♠8 | = | +0 |
| +0.0 | Semifinal | 🇳🇱 NETHERLANDS | 34 | 3NT | ♣4 | +2 | +0 |
| +0.0 | Semifinal | 🇳🇱 NETHERLANDS | 36 | 3♥ | ♦3 | -1 | +3 |
| +0.0 | Final | NATT | 40 | 4♠x | ♦Q | = | -10 |
| -0.1 | Quarterfinal | 🇯🇵 JAPAN | 29 | 3NT | ♣6 | +2 | +13 |
| -0.3 | Semifinal | 🇳🇱 NETHERLANDS | 4 | 4♥ | ♥A | +1 | +0 |
| -0.3 | Semifinal | 🇳🇱 NETHERLANDS | 13 | 4♥ | ♦6 | = | +0 |
| -0.6 | Quarterfinal | 🇯🇵 JAPAN | 27 | 5♦ | ♦3 | +1 | +1 |
| -0.7 | Semifinal | 🇳🇱 NETHERLANDS | 7 | 1NT | ♠6 | = | -1 |
| -0.7 | Semifinal | 🇳🇱 NETHERLANDS | 12 | 1NT | ♣J | +1 | +1 |
| -0.7 | Semifinal | 🇳🇱 NETHERLANDS | 32 | 2♠ | ♥K | +1 | +0 |
| -0.9 | Quarterfinal | 🇯🇵 JAPAN | 19 | 2NT | ♥Q | = | -1 |
| -1.3 | Final | NATT | 2 | 2♠ | ♦7 | = | +7 |
| -1.3 | Final | NATT | 41 | 4♠ | ♥K | = | +10 |
| -2.3 | Quarterfinal | 🇯🇵 JAPAN | 17 | 5♣ | ♥4 | +2 | -11 |
| -2.3 | Final | NATT | 29 | 3NT | ♠K | -1 | -10 |
| -2.7 | Final | NATT | 3 | 2♠ | ♠4 | +1 | -7 |
| -3.0 | Final | NATT | 34 | 3♥ | ♣A | = | +0 |
| -3.0 | Final | NATT | 37 | 3♦ | ♥Q | = | +5 |
| -3.3 | Final | NATT | 8 | 3♠ | ♥K | -2 | -8 |
| -3.3 | Final | NATT | 9 | 3NT | ♦A | -1 | -4 |
| -3.7 | Semifinal | 🇳🇱 NETHERLANDS | 14 | 2♠ | ♥J | +1 | -1 |
| -3.7 | Semifinal | 🇳🇱 NETHERLANDS | 41 | 4♠ | ♥3 | -4 | -14 |
| -4.0 | Quarterfinal | 🇯🇵 JAPAN | 23 | 2♥ | ♦7 | = | -6 |
| -4.3 | Semifinal | 🇳🇱 NETHERLANDS | 42 | 3♦ | ♥4 | = | +0 |
| -4.7 | Final | NATT | 38 | 4♠ | ♦Q | +1 | -1 |
| -5.0 | Semifinal | 🇳🇱 NETHERLANDS | 5 | 4♠ | ♣J | -2 | -2 |
| -6.7 | Semifinal | 🇳🇱 NETHERLANDS | 33 | 2♥ | ♥K | +3 | -2 |
| -7.0 | Semifinal | 🇳🇱 NETHERLANDS | 11 | 4NT | ♦6 | = | -1 |
| -7.0 | Final | NATT | 7 | 3♣ | ♦Q | -3 | -9 |
| -7.4 | Quarterfinal | 🇯🇵 JAPAN | 18 | 3♠ | ♥2 | -1 | -11 |
| -8.3 | Semifinal | 🇳🇱 NETHERLANDS | 8 | 4♥ | ♦5 | +2 | -13 |
| -8.3 | Semifinal | 🇳🇱 NETHERLANDS | 38 | 5♥ | ♦K | = | +0 |
| -9.3 | Semifinal | 🇳🇱 NETHERLANDS | 40 | 3NT | ♣3 | -2 | -8 |
| -10.1 | Quarterfinal | 🇯🇵 JAPAN | 28 | 4♥ | ♠7 | -1 | -14 |
| -10.3 | Final | NATT | 30 | 3NT | ♦5 | +1 | +0 |
| -13.3 | Semifinal | 🇳🇱 NETHERLANDS | 39 | 5♦x | ♣2 | = | -13 |