🇺🇸 CHAMBERS Juanita · USA2
37rank
-35.7Butler · 96 bds
-0.37per board
±4.6swing
-0.42vs par /bd
-0.40adjusted /bd
by round
vs par split: bidding -0.30 · play -0.11
Strength of schedule: opponents averaged -0.03/bd (an average draw) → opponent-adjusted -0.40/bd
Card play — on target: opening leads 82.6% · declarer play 81.8% · defence 86.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 80.0% (5) | 83.3% (18) |
| Declarer play | 71.4% (7) | 86.7% (15) |
| Defence | 77.8% (18) | 90.6% (32) |
Opening leads by suit led: ♠ 77.8% (9) · ♥ 83.3% (6) · ♦ 100.0% (4) · ♣ 75.0% (4)
vs par by strain: NT -0.53 (34) · a suit -0.35 (62)
vs par by level: part-score +0.43 (30) · game -0.16 (63) · slam -14.33 (3)
By role: declaring +0.03/bd (-1.94 vs par · 46) · defending -0.74/bd (+0.98 vs par · 50)
By vulnerability: vulnerable +0.37/bd (+0.62 vs par · 48) · not vulnerable -1.11/bd (-1.46 vs par · 48)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | J.Glasson | W.Wang – SHEN (1) Qi | Closed | 16 | +11.8 | +0.74 | -1.62 |
| Quarterfinal | J.Glasson | SHEN (1) Qi – W.Wang | Open | 16 | -14.7 | -0.92 | -0.81 |
| Semifinal | J.Glasson | J.Pasman – A.Simons | Closed | 16 | +1.7 | +0.11 | +0.50 |
| Semifinal | J.Glasson | W.Van Zwol – C.Arnolds | Open | 16 | -2.3 | -0.14 | +1.19 |
| Final | J.Glasson | V.Reess – J.Zochowska | Closed | 16 | -21.4 | -1.34 | -0.38 |
| Final | J.Glasson | V.Reess – J.Zochowska | Closed | 16 | -10.8 | -0.68 | -1.38 |
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 |
|---|---|---|---|---|---|---|---|
| +8.4 | Quarterfinal | 🇨🇳 CHINA | 16 | 4♠ | ♦3 | = | +0 |
| +8.3 | Semifinal | 🇳🇱 NETHERLANDS | 6 | 4♥ | ♦2 | -3 | +11 |
| +7.7 | Final | 🇫🇷 FRANCE | 5 | 3NT | ♠10 | -3 | +11 |
| +7.4 | Quarterfinal | 🇨🇳 CHINA | 13 | 3NT | ♣J | = | +10 |
| +7.3 | Semifinal | 🇳🇱 NETHERLANDS | 7 | 5♠ | ♣A | -2 | +12 |
| +6.9 | Quarterfinal | 🇨🇳 CHINA | 9 | 3NT | ♥6 | -1 | +5 |
| +6.7 | Semifinal | 🇳🇱 NETHERLANDS | 29 | 2♥ | ♠7 | +1 | -1 |
| +6.6 | Quarterfinal | 🇨🇳 CHINA | 11 | 4♥ | ♦10 | = | +3 |
| +5.7 | Semifinal | 🇳🇱 NETHERLANDS | 9 | 1NT | ♦K | +3 | +2 |
| +5.7 | Final | 🇫🇷 FRANCE | 20 | 5♦ | ♠3 | +1 | +13 |
| +5.0 | Semifinal | 🇳🇱 NETHERLANDS | 21 | 4♠ | ♥3 | -1 | +10 |
| +5.0 | Final | 🇫🇷 FRANCE | 3 | 1NT | ♠A | -1 | +11 |
| +5.0 | Final | 🇫🇷 FRANCE | 17 | 4♥ | ♣Q | = | +3 |
| +4.7 | Semifinal | 🇳🇱 NETHERLANDS | 2 | 2♠ | ♦9 | = | -6 |
| +4.7 | Semifinal | 🇳🇱 NETHERLANDS | 17 | 1NT | ♣3 | -1 | +4 |
| +4.1 | Quarterfinal | 🇨🇳 CHINA | 2 | 1NTx | ♠7 | +1 | +4 |
| +4.0 | Semifinal | 🇳🇱 NETHERLANDS | 18 | 1NT | ♣3 | -2 | +0 |
| +3.7 | Quarterfinal | 🇨🇳 CHINA | 15 | 2♠ | ♥K | = | +0 |
| +3.7 | Quarterfinal | 🇨🇳 CHINA | 29 | 2♥ | ♠4 | -3 | +5 |
| +3.6 | Quarterfinal | 🇨🇳 CHINA | 20 | 3NT | ♣4 | +1 | +0 |
| +3.3 | Semifinal | 🇳🇱 NETHERLANDS | 4 | 4♠ | ♣5 | = | -1 |
| +3.3 | Final | 🇫🇷 FRANCE | 2 | 4♥ | ♣J | = | +0 |
| +3.0 | Quarterfinal | 🇨🇳 CHINA | 12 | 4NT | ♠6 | +1 | -11 |
| +3.0 | Quarterfinal | 🇨🇳 CHINA | 23 | 3NT | ♥2 | +3 | +2 |
| +2.3 | Quarterfinal | 🇨🇳 CHINA | 24 | 3♠ | ♥8 | -1 | +5 |
| +2.0 | Final | 🇫🇷 FRANCE | 24 | 2♣ | ♠5 | -1 | -2 |
| +1.9 | Quarterfinal | 🇨🇳 CHINA | 4 | 4♥ | ♣2 | +1 | +0 |
| +1.4 | Quarterfinal | 🇨🇳 CHINA | 8 | 3♥ | ♦A | -1 | -8 |
| +1.3 | Final | 🇫🇷 FRANCE | 1 | 4♠ | ♥K | -2 | +6 |
| +1.3 | Final | 🇫🇷 FRANCE | 27 | 3♥ | ♣9 | +2 | +6 |
| +1.0 | Quarterfinal | 🇨🇳 CHINA | 6 | 4♥ | ♠10 | +1 | +1 |
| +0.7 | Final | 🇫🇷 FRANCE | 8 | 4♥ | ♣A | -2 | -7 |
| +0.7 | Final | 🇫🇷 FRANCE | 19 | 3♥x | ♣A | -2 | -5 |
| +0.7 | Final | 🇫🇷 FRANCE | 26 | 3NT | ♦9 | -2 | -7 |
| +0.7 | Final | 🇫🇷 FRANCE | 29 | 4♥ | ♣Q | +2 | -13 |
| +0.6 | Quarterfinal | 🇨🇳 CHINA | 30 | 4♠ | ♣K | -2 | +0 |
| +0.3 | Quarterfinal | 🇨🇳 CHINA | 31 | 3NT | ♥10 | = | +0 |
| +0.3 | Final | 🇫🇷 FRANCE | 15 | 4♥ | ♥3 | = | +0 |
| +0.3 | Final | 🇫🇷 FRANCE | 21 | 2NT | ♠4 | -2 | +5 |
| +0.1 | Quarterfinal | 🇨🇳 CHINA | 5 | 4♥ | ♣2 | +1 | +0 |
| +0.0 | Quarterfinal | 🇨🇳 CHINA | 22 | 4♠ | ♣K | = | +0 |
| +0.0 | Quarterfinal | 🇨🇳 CHINA | 25 | 4♥ | ♥6 | +1 | +0 |
| -0.0 | Semifinal | 🇳🇱 NETHERLANDS | 8 | 4♥ | ♥5 | +1 | +0 |
| -0.0 | Semifinal | 🇳🇱 NETHERLANDS | 13 | 4♠ | ♥J | +1 | +0 |
| -0.0 | Semifinal | 🇳🇱 NETHERLANDS | 14 | 3NT | ♣2 | +2 | +0 |
| +0.0 | Semifinal | 🇳🇱 NETHERLANDS | 22 | 3NT | ♠5 | +2 | -10 |
| +0.0 | Semifinal | 🇳🇱 NETHERLANDS | 25 | 3NT | ♥J | +1 | -1 |
| +0.0 | Final | 🇫🇷 FRANCE | 10 | 4♠ | ♣J | = | +0 |
| +0.0 | Final | 🇫🇷 FRANCE | 16 | 4♥ | ♣J | +1 | +0 |
| +0.0 | Final | 🇫🇷 FRANCE | 18 | 4♠ | ♦A | = | +0 |
| -0.3 | Quarterfinal | 🇨🇳 CHINA | 3 | 3♣ | ♥K | -1 | +0 |
| -0.3 | Semifinal | 🇳🇱 NETHERLANDS | 10 | 4♥ | ♠Q | = | +0 |
| -0.3 | Semifinal | 🇳🇱 NETHERLANDS | 31 | 4♠ | ♦J | +2 | +11 |
| -0.3 | Semifinal | 🇳🇱 NETHERLANDS | 32 | 1♦ | ♣Q | +2 | -1 |
| -0.3 | Final | 🇫🇷 FRANCE | 25 | 4♥ | ♠J | = | +0 |
| -0.3 | Final | 🇫🇷 FRANCE | 28 | 5♦x | ♥4 | -2 | -2 |
| -0.4 | Quarterfinal | 🇨🇳 CHINA | 21 | 5♦x | ♥K | -2 | +0 |
| -0.7 | Quarterfinal | 🇨🇳 CHINA | 17 | 4♠ | ♠6 | = | -1 |
| -0.7 | Semifinal | 🇳🇱 NETHERLANDS | 19 | 4♠ | ♠4 | +2 | -1 |
| -0.7 | Semifinal | 🇳🇱 NETHERLANDS | 24 | 3♣ | ♦K | -2 | +1 |
| -0.7 | Semifinal | 🇳🇱 NETHERLANDS | 26 | 5♣ | ♦A | +1 | +13 |
| -0.7 | Final | 🇫🇷 FRANCE | 6 | 1NT | ♣6 | +1 | +0 |
| -1.0 | Semifinal | 🇳🇱 NETHERLANDS | 20 | 4♠x | ♦6 | -1 | -8 |
| -1.0 | Final | 🇫🇷 FRANCE | 13 | 1NT | ♥K | -2 | -2 |
| -1.3 | Final | 🇫🇷 FRANCE | 11 | 1NT | ♣A | -1 | -2 |
| -1.3 | Final | 🇫🇷 FRANCE | 31 | 2♠ | ♣2 | = | +0 |
| -1.3 | Final | 🇫🇷 FRANCE | 32 | 3NT | ♠Q | -2 | -6 |
| -1.4 | Quarterfinal | 🇨🇳 CHINA | 18 | 6NT | ♥4 | -1 | -17 |
| -2.0 | Semifinal | 🇳🇱 NETHERLANDS | 11 | 1NT | ♠3 | -1 | -3 |
| -2.0 | Semifinal | 🇳🇱 NETHERLANDS | 12 | 3NT | ♥3 | = | +0 |
| -2.0 | Final | 🇫🇷 FRANCE | 30 | 2♣ | ♥K | +1 | +0 |
| -2.7 | Quarterfinal | 🇨🇳 CHINA | 14 | 3NT | ♥J | = | +1 |
| -2.7 | Semifinal | 🇳🇱 NETHERLANDS | 23 | 3NT | ♦K | = | +13 |
| -3.0 | Semifinal | 🇳🇱 NETHERLANDS | 3 | 1NT | ♥10 | -1 | -3 |
| -3.0 | Semifinal | 🇳🇱 NETHERLANDS | 16 | 4♥ | ♠K | = | +0 |
| -3.0 | Semifinal | 🇳🇱 NETHERLANDS | 28 | 3NT | ♣K | = | +1 |
| -3.3 | Semifinal | 🇳🇱 NETHERLANDS | 30 | 1♥ | ♣8 | +1 | -1 |
| -3.6 | Quarterfinal | 🇨🇳 CHINA | 27 | 4♠ | ♣K | +1 | +0 |
| -4.0 | Quarterfinal | 🇨🇳 CHINA | 28 | 3NT | ♠4 | +2 | -1 |
| -4.3 | Semifinal | 🇳🇱 NETHERLANDS | 15 | 3NT | ♣A | -2 | -6 |
| -4.4 | Quarterfinal | 🇨🇳 CHINA | 19 | 4♠ | ♥A | = | +0 |
| -5.0 | Final | 🇫🇷 FRANCE | 7 | 4♠ | ♠3 | -1 | -9 |
| -5.7 | Quarterfinal | 🇨🇳 CHINA | 26 | 3NT | ♥J | +1 | -1 |
| -6.0 | Final | 🇫🇷 FRANCE | 4 | 3♠ | ♠3 | = | -8 |
| -6.0 | Final | 🇫🇷 FRANCE | 9 | 3♠ | ♣J | +2 | +10 |
| -6.3 | Semifinal | 🇳🇱 NETHERLANDS | 1 | 4♦ | ♠J | = | +7 |
| -6.7 | Semifinal | 🇳🇱 NETHERLANDS | 5 | 4♠ | ♦Q | -1 | -5 |
| -7.7 | Final | 🇫🇷 FRANCE | 12 | 3NT | ♥4 | +4 | -2 |
| -8.0 | Quarterfinal | 🇨🇳 CHINA | 32 | 5♦ | ♥A | -1 | -5 |
| -8.4 | Quarterfinal | 🇨🇳 CHINA | 1 | 6♣ | ♠9 | = | -12 |
| -8.6 | Quarterfinal | 🇨🇳 CHINA | 10 | 2♥x | ♥A | -3 | -5 |
| -9.0 | Final | 🇫🇷 FRANCE | 23 | 3NT | ♥Q | +3 | -1 |
| -10.0 | Semifinal | 🇳🇱 NETHERLANDS | 27 | 5♦ | ♥5 | -1 | -11 |
| -12.0 | Final | 🇫🇷 FRANCE | 14 | 6♥ | ♠6 | -1 | -14 |
| -12.7 | Quarterfinal | 🇨🇳 CHINA | 7 | 3NT | ♥4 | -3 | -14 |
| -13.0 | Final | 🇫🇷 FRANCE | 22 | 4♠ | ♦4 | = | -13 |