🇺🇸 XU Michael · USA
13rank
+19.6Butler · 84 bds
+0.23per board
±4.6swing
+0.85vs par /bd · #4/42
+0.14adjusted /bd
by round
vs par split: bidding +0.20 · play +0.64
Strength of schedule: opponents averaged -0.09/bd (an easy draw) → opponent-adjusted +0.14/bd
Card play — on target: opening leads 72.2% #27 of 42 · declarer play 83.3% #7 of 42 · defence 82.9% #17 of 42
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 40.0% (5) | 84.6% (13) |
| Declarer play | 85.7% (7) | 80.0% (5) |
| Defence | 69.2% (13) | 89.3% (28) |
Opening leads by suit led: ♠ 40.0% (5) · ♥ 83.3% (6) · ♦ 83.3% (6) · ♣ 100.0% (1)
vs par by strain: NT -0.27 (30) · a suit +1.46 (54)
vs par by level: part-score +2.70 (23) · game +0.52 (54) · slam -2.71 (7)
By role: declaring -0.19/bd (-1.21 vs par · 43) · defending +0.68/bd (+3.00 vs par · 41)
By vulnerability: vulnerable +1.21/bd (+1.45 vs par · 42) · not vulnerable -0.74/bd (+0.24 vs par · 42)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | H.Luba | J.Miao – R.Song | Open | 12 | -4.4 | -0.37 | -0.75 |
| Quarterfinal | H.Luba | J.Miao – R.Song | Open | 12 | +9.3 | +0.78 | +2.00 |
| Semifinal | H.Luba | R.Bloch – T.Zobel | Open | 12 | +20.7 | +1.72 | +4.17 |
| Semifinal | H.Luba | R.Bloch – T.Zobel | Closed | 12 | -0.4 | -0.03 | +0.50 |
| Semifinal | H.Luba | R.Bloch – T.Zobel | Open | 12 | +2.3 | +0.19 | +0.75 |
| Final | H.Luba | A.Nilsson – M.Bjoerk Heed | Open | 12 | +4.1 | +0.34 | -1.00 |
| Final | H.Luba | T.Lundqvist – I.Lundqvist | Open | 12 | -12.0 | -1.00 | +0.25 |
| Final | H.Luba | T.Lundqvist – I.Lundqvist | Open | 0 | +0.0 | +0.00 | · |
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 |
|---|---|---|---|---|---|---|---|
| +15.4 | Semifinal | 🇫🇷 FRANCE | 10 | 3♦x | ♣9 | -4 | +15 |
| +10.7 | Quarterfinal | 🇨🇳 CHINA 1 | 24 | 3NT | ♥7 | = | +12 |
| +9.1 | Final | 🇸🇪 SWEDEN | 10 | 3NTx | ♠2 | -2 | +9 |
| +8.1 | Final | 🇸🇪 SWEDEN | 17 | 3♣ | ♠10 | -2 | +5 |
| +7.0 | Semifinal | 🇫🇷 FRANCE | 43 | 4♦ | ♠Q | -3 | +9 |
| +6.4 | Semifinal | 🇫🇷 FRANCE | 44 | 5♦x | ♠K | -2 | +5 |
| +5.7 | Semifinal | 🇫🇷 FRANCE | 6 | 4♥ | ♠4 | -2 | +8 |
| +5.4 | Quarterfinal | 🇨🇳 CHINA 1 | 35 | 3♠ | ♦3 | -2 | +8 |
| +5.0 | Semifinal | 🇫🇷 FRANCE | 45 | 3NT | ♦6 | -2 | +8 |
| +4.9 | Final | 🇸🇪 SWEDEN | 11 | 4♠ | ♥K | -1 | +5 |
| +4.7 | Quarterfinal | 🇨🇳 CHINA 1 | 14 | 4♥ | ♦6 | +2 | +11 |
| +4.7 | Semifinal | 🇫🇷 FRANCE | 3 | 3NT | ♥A | = | +7 |
| +4.7 | Semifinal | 🇫🇷 FRANCE | 7 | 6♦ | ♥J | +1 | +7 |
| +4.1 | Quarterfinal | 🇨🇳 CHINA 1 | 17 | 2♠ | ♦2 | +1 | -8 |
| +4.0 | Semifinal | 🇫🇷 FRANCE | 29 | 3♥ | ♠6 | -1 | +12 |
| +3.7 | Final | 🇸🇪 SWEDEN | 23 | 3♥ | ♦9 | = | +7 |
| +3.4 | Semifinal | 🇫🇷 FRANCE | 38 | 5♦ | ♥A | +1 | -5 |
| +3.3 | Semifinal | 🇫🇷 FRANCE | 4 | 4♠ | ♦6 | = | +0 |
| +3.1 | Quarterfinal | 🇨🇳 CHINA 1 | 32 | 6♠ | ♦J | +1 | +11 |
| +2.6 | Final | 🇸🇪 SWEDEN | 5 | 4♥ | ♠5 | = | +11 |
| +2.4 | Semifinal | 🇫🇷 FRANCE | 39 | 3NT | ♥4 | +3 | -1 |
| +2.3 | Final | 🇸🇪 SWEDEN | 4 | 3NT | ♥A | +1 | +0 |
| +2.1 | Quarterfinal | 🇨🇳 CHINA 1 | 25 | 3♦ | ♦5 | = | +0 |
| +2.0 | Semifinal | 🇫🇷 FRANCE | 12 | 3NT | ♥9 | +4 | +14 |
| +2.0 | Final | 🇸🇪 SWEDEN | 12 | 4♥ | ♦6 | = | +0 |
| +1.9 | Final | 🇸🇪 SWEDEN | 24 | 3NT | ♥4 | -3 | +0 |
| +1.7 | Semifinal | 🇫🇷 FRANCE | 2 | 2♣ | ♥Q | +1 | +6 |
| +1.7 | Semifinal | 🇫🇷 FRANCE | 25 | 1NT | ♠5 | -1 | -3 |
| +1.7 | Semifinal | 🇫🇷 FRANCE | 32 | 3NT | ♠7 | -2 | +1 |
| +1.4 | Quarterfinal | 🇨🇳 CHINA 1 | 15 | 6NT | ♥2 | = | -11 |
| +1.4 | Quarterfinal | 🇨🇳 CHINA 1 | 31 | 3NT | ♠8 | +3 | -12 |
| +1.4 | Quarterfinal | 🇨🇳 CHINA 1 | 34 | 3NT | ♠4 | -1 | +1 |
| +1.4 | Final | 🇸🇪 SWEDEN | 6 | 3NT | ♥5 | = | +7 |
| +1.3 | Quarterfinal | 🇨🇳 CHINA 1 | 29 | 4♥ | ♣A | = | +0 |
| +1.1 | Quarterfinal | 🇨🇳 CHINA 1 | 36 | 4♠ | ♥4 | -1 | +5 |
| +1.1 | Semifinal | 🇫🇷 FRANCE | 30 | 4♠ | ♥9 | +1 | -1 |
| +1.1 | Semifinal | 🇫🇷 FRANCE | 36 | 3♥ | ♣Q | = | +1 |
| +1.0 | Quarterfinal | 🇨🇳 CHINA 1 | 28 | 4♥ | ♣8 | = | +9 |
| +1.0 | Semifinal | 🇫🇷 FRANCE | 47 | 3NT | ♣3 | +2 | -1 |
| +0.6 | Quarterfinal | 🇨🇳 CHINA 1 | 30 | 2♠ | ♥7 | -2 | +1 |
| +0.6 | Semifinal | 🇫🇷 FRANCE | 31 | 4♥ | ♠2 | = | +1 |
| +0.6 | Final | 🇸🇪 SWEDEN | 3 | 3NT | ♠5 | +2 | -11 |
| +0.4 | Semifinal | 🇫🇷 FRANCE | 28 | 1NT | ♦7 | +1 | +12 |
| +0.4 | Semifinal | 🇫🇷 FRANCE | 34 | 3NT | ♠4 | +2 | +1 |
| +0.4 | Final | 🇸🇪 SWEDEN | 16 | 4♠ | ♥3 | -2 | +13 |
| +0.3 | Quarterfinal | 🇨🇳 CHINA 1 | 21 | 2♣ | ♦4 | +1 | +0 |
| +0.3 | Semifinal | 🇫🇷 FRANCE | 9 | 5♣ | ♦K | = | -3 |
| -0.1 | Quarterfinal | 🇨🇳 CHINA 1 | 16 | 5♦ | ♣A | = | -2 |
| -0.1 | Quarterfinal | 🇨🇳 CHINA 1 | 18 | 3NT | ♥Q | -2 | +7 |
| -0.1 | Semifinal | 🇫🇷 FRANCE | 42 | 3NT | ♥Q | +2 | +12 |
| -0.3 | Semifinal | 🇫🇷 FRANCE | 41 | 3NT | ♥Q | +2 | +0 |
| -0.3 | Final | 🇸🇪 SWEDEN | 19 | 1NT | ♥J | +3 | -1 |
| -0.3 | Final | 🇸🇪 SWEDEN | 21 | 3♠ | ♥4 | = | +0 |
| -0.4 | Final | 🇸🇪 SWEDEN | 2 | 3♠ | ♥A | -1 | -2 |
| -0.4 | Final | 🇸🇪 SWEDEN | 14 | 7♦ | ♣K | -3 | +2 |
| -0.6 | Quarterfinal | 🇨🇳 CHINA 1 | 13 | 4♥ | ♠J | = | +0 |
| -0.6 | Semifinal | 🇫🇷 FRANCE | 35 | 4♠ | ♥10 | = | +0 |
| -1.1 | Quarterfinal | 🇨🇳 CHINA 1 | 27 | 1NT | ♠10 | -1 | +1 |
| -1.3 | Quarterfinal | 🇨🇳 CHINA 1 | 19 | 3NT | ♠10 | -1 | -6 |
| -1.6 | Final | 🇸🇪 SWEDEN | 7 | 3♠ | ♥A | = | +0 |
| -1.7 | Quarterfinal | 🇨🇳 CHINA 1 | 22 | 4♠ | ♦3 | +1 | +0 |
| -1.7 | Semifinal | 🇫🇷 FRANCE | 40 | 3NT | ♦7 | -1 | -6 |
| -1.9 | Semifinal | 🇫🇷 FRANCE | 11 | 4♥ | ♦9 | = | +11 |
| -2.0 | Quarterfinal | 🇨🇳 CHINA 1 | 26 | 3♠ | ♥5 | = | +0 |
| -2.0 | Final | 🇸🇪 SWEDEN | 15 | 4♠ | ♣A | +1 | +0 |
| -2.6 | Semifinal | 🇫🇷 FRANCE | 5 | 3♥ | ♦J | -2 | -3 |
| -2.7 | Semifinal | 🇫🇷 FRANCE | 27 | 4♠ | ♠7 | +2 | -1 |
| -2.7 | Final | 🇸🇪 SWEDEN | 13 | 4♠ | ♠9 | +1 | +0 |
| -2.7 | Final | 🇸🇪 SWEDEN | 18 | 3NT | ♣J | -3 | -6 |
| -3.1 | Semifinal | 🇫🇷 FRANCE | 26 | 5♣ | ♥10 | +2 | +0 |
| -3.3 | Semifinal | 🇫🇷 FRANCE | 8 | 3♠ | ♣K | -1 | +2 |
| -4.1 | Final | 🇸🇪 SWEDEN | 8 | 6♠ | ♠2 | -1 | -14 |
| -4.3 | Semifinal | 🇫🇷 FRANCE | 37 | 4♠ | ♠2 | = | +1 |
| -4.7 | Final | 🇸🇪 SWEDEN | 22 | 3NT | ♦A | -1 | -5 |
| -5.0 | Quarterfinal | 🇨🇳 CHINA 1 | 33 | 2♠ | ♣A | -2 | +0 |
| -5.0 | Semifinal | 🇫🇷 FRANCE | 33 | 3NT | ♦Q | +4 | -17 |
| -5.1 | Final | 🇸🇪 SWEDEN | 9 | 4♠x | ♥A | = | -10 |
| -5.6 | Semifinal | 🇫🇷 FRANCE | 48 | 5♦x | ♥K | -2 | +0 |
| -7.6 | Final | 🇸🇪 SWEDEN | 1 | 3NT | ♠2 | +1 | -7 |
| -9.3 | Semifinal | 🇫🇷 FRANCE | 1 | 6♠ | ♣J | -1 | -14 |
| -10.7 | Quarterfinal | 🇨🇳 CHINA 1 | 23 | 6♣ | ♦A | = | +0 |
| -10.9 | Semifinal | 🇫🇷 FRANCE | 46 | 3NT | ♣Q | -1 | -13 |
| -11.1 | Quarterfinal | 🇨🇳 CHINA 1 | 20 | 4♠x | ♦J | = | -12 |
| -13.0 | Final | 🇸🇪 SWEDEN | 20 | 4♥x | ♠2 | -4 | -12 |