🇺🇸 JENG Andrew · USA1
vs par split: bidding -0.22 · play +0.24
Strength of schedule: opponents averaged +0.21/bd (a tough draw) → opponent-adjusted -0.36/bd
Card play — on target: opening leads 63.6% #86 of 88 · declarer play 66.7% #60 of 88 · defence 84.1% #37 of 88
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 44.4% (9) | 70.8% (24) |
| Declarer play | 50.0% (4) | 69.6% (23) |
| Defence | 85.7% (14) | 83.6% (55) |
Opening leads by suit led: ♠ 37.5% (8) · ♥ 57.1% (7) · ♦ 77.8% (9) · ♣ 77.8% (9)
vs par by strain: NT -0.08 (24) · a suit +0.05 (99)
vs par by level: part-score +0.00 (43) · game +0.01 (71) · slam +0.22 (9)
By role: declaring -0.18/bd (-2.23 vs par · 57) · defending -0.89/bd (+1.68 vs par · 71)
By vulnerability: vulnerable -1.00/bd (-0.66 vs par · 64) · not vulnerable -0.15/bd (+0.53 vs par · 64)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | R.Jeng | I.Gronkvist – M.Gronkvist | Closed | 16 | -50.4 | -3.15 | +0.06 |
| Round 3 | R.Jeng | A.Asulin – H.Levi | Open | 16 | -2.9 | -0.18 | -3.31 |
| Round 4 | R.Jeng | D.Soukup – H.Berk | Closed | 16 | +24.1 | +1.51 | +0.62 |
| Round 6 | R.Jeng | I.Cailliau – J.Bernard | Closed | 16 | -16.1 | -1.01 | +0.81 |
| Round 8 | R.Jeng | Z.Tan – L.Zeng | Open | 16 | -20.6 | -1.29 | +0.94 |
| Round 11 | R.Jeng | X.Feng – J.Hebbert | Closed | 16 | +26.8 | +1.68 | +1.94 |
| Round 12 | R.Jeng | G.Donati – G.Percario | Open | 16 | -21.1 | -1.32 | -1.94 |
| Round 13 | R.Jeng | A.Zalitis – G.Freimanis | Closed | 16 | -13.0 | -0.81 | +0.38 |
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 |
|---|---|---|---|---|---|---|---|
| +14.7 | Round 11 | 🇨🇦 CANADA | 10 | 4♠x | ♦7 | = | +11 |
| +11.9 | Round 4 | 🇺🇸 USA2 | 5 | 5♠ | ♣4 | +2 | +17 |
| +10.1 | Round 11 | 🇨🇦 CANADA | 12 | 5♣x | ♠A | -4 | +3 |
| +9.5 | Round 12 | 🇮🇹 ITALY | 10 | 5♥ | ♦Q | -1 | +13 |
| +8.3 | Round 2 | 🇸🇪 SWEDEN | 13 | 4♠ | ♣5 | -1 | +12 |
| +7.3 | Round 4 | 🇺🇸 USA2 | 14 | 4♥ | ♠K | +1 | +0 |
| +7.1 | Round 3 | 🇮🇱 ISRAEL | 12 | 6♦ | ♣K | = | +0 |
| +6.9 | Round 8 | 🇨🇳 CHINA | 1 | 4♠ | ♥K | -1 | +14 |
| +6.9 | Round 11 | 🇨🇦 CANADA | 16 | 3♦ | ♠Q | +1 | +8 |
| +6.5 | Round 12 | 🇮🇹 ITALY | 13 | 4♠ | ♦2 | = | +0 |
| +6.3 | Round 11 | 🇨🇦 CANADA | 15 | 4♠ | ♦Q | +1 | +6 |
| +6.3 | Round 13 | 🇱🇻 LATVIA | 16 | 3NT | ♦3 | -2 | +11 |
| +5.7 | Round 3 | 🇮🇱 ISRAEL | 1 | 2♥x | ♠6 | -1 | +7 |
| +5.5 | Round 8 | 🇨🇳 CHINA | 6 | 3NT | ♠5 | -1 | +12 |
| +5.4 | Round 6 | 🇫🇷 FRANCE | 10 | 4♠ | ♣3 | -1 | +6 |
| +5.2 | Round 2 | 🇸🇪 SWEDEN | 1 | 6♦x | ♠7 | -2 | +10 |
| +5.2 | Round 11 | 🇨🇦 CANADA | 11 | 3♣ | ♥4 | +3 | +6 |
| +5.1 | Round 3 | 🇮🇱 ISRAEL | 6 | 3♥ | ♦5 | = | +1 |
| +4.9 | Round 6 | 🇫🇷 FRANCE | 14 | 5♥ | ♣3 | -1 | +11 |
| +4.8 | Round 4 | 🇺🇸 USA2 | 9 | 4♥ | ♠K | -1 | +10 |
| +4.6 | Round 3 | 🇮🇱 ISRAEL | 13 | 5♦ | ♣10 | +1 | -13 |
| +4.6 | Round 4 | 🇺🇸 USA2 | 6 | 5♠ | ♦2 | = | +0 |
| +4.4 | Round 3 | 🇮🇱 ISRAEL | 5 | 4♠ | ♠J | +1 | +1 |
| +4.3 | Round 11 | 🇨🇦 CANADA | 4 | 2♦ | ♠A | -1 | +6 |
| +4.2 | Round 6 | 🇫🇷 FRANCE | 7 | 3NT | ♠3 | -1 | +12 |
| +3.9 | Round 13 | 🇱🇻 LATVIA | 7 | 5♣ | ♦10 | -1 | +12 |
| +3.7 | Round 3 | 🇮🇱 ISRAEL | 2 | 3NT | ♦J | +2 | +2 |
| +3.7 | Round 6 | 🇫🇷 FRANCE | 11 | 2♥ | ♣J | -1 | +5 |
| +3.5 | Round 11 | 🇨🇦 CANADA | 3 | 4♣ | ♣6 | = | +1 |
| +3.4 | Round 8 | 🇨🇳 CHINA | 8 | 4♥ | ♣J | +1 | +0 |
| +3.3 | Round 13 | 🇱🇻 LATVIA | 10 | 2♠ | ♣J | = | +6 |
| +3.1 | Round 6 | 🇫🇷 FRANCE | 4 | 1NT | ♦3 | -2 | +3 |
| +2.7 | Round 4 | 🇺🇸 USA2 | 11 | 5♣ | ♥A | -1 | +10 |
| +2.7 | Round 6 | 🇫🇷 FRANCE | 1 | 3♣ | ♣K | +1 | +7 |
| +2.5 | Round 8 | 🇨🇳 CHINA | 9 | 3♠ | ♥A | = | +6 |
| +2.5 | Round 12 | 🇮🇹 ITALY | 15 | 4♠ | ♣A | = | +0 |
| +2.4 | Round 13 | 🇱🇻 LATVIA | 14 | 1NT | ♦J | +1 | +1 |
| +2.1 | Round 8 | 🇨🇳 CHINA | 11 | 6♥ | ♣8 | +1 | +11 |
| +2.1 | Round 12 | 🇮🇹 ITALY | 14 | 3♠ | ♦9 | = | +0 |
| +2.1 | Round 13 | 🇱🇻 LATVIA | 1 | 4♠ | ♥Q | = | +3 |
| +1.9 | Round 13 | 🇱🇻 LATVIA | 9 | 5♥ | ♦J | +1 | +11 |
| +1.8 | Round 3 | 🇮🇱 ISRAEL | 11 | 4♥ | ♦5 | -2 | +0 |
| +1.7 | Round 6 | 🇫🇷 FRANCE | 9 | 2♠ | ♦10 | -2 | +0 |
| +1.7 | Round 8 | 🇨🇳 CHINA | 10 | 3♠ | ♥T | -1 | +5 |
| +1.7 | Round 13 | 🇱🇻 LATVIA | 4 | 4♠x | ♥Q | -1 | +8 |
| +1.6 | Round 2 | 🇸🇪 SWEDEN | 6 | 3♠ | ♥5 | = | +7 |
| +1.6 | Round 4 | 🇺🇸 USA2 | 3 | 6♥ | ♥8 | = | -13 |
| +1.6 | Round 4 | 🇺🇸 USA2 | 12 | 4♠ | ♥2 | = | +0 |
| +1.5 | Round 4 | 🇺🇸 USA2 | 8 | 2♥ | ♦K | +2 | -6 |
| +1.5 | Round 4 | 🇺🇸 USA2 | 13 | 3N | ♥5 | +4 | +2 |
| +1.4 | Round 8 | 🇨🇳 CHINA | 2 | 4♠ | ♦2 | +2 | +5 |
| +1.2 | Round 12 | 🇮🇹 ITALY | 2 | 3♣ | ♦A | = | +0 |
| +0.9 | Round 2 | 🇸🇪 SWEDEN | 12 | 6♠ | ♥3 | = | -11 |
| +0.9 | Round 4 | 🇺🇸 USA2 | 2 | 4♠ | ♣J | +1 | +0 |
| +0.6 | Round 13 | 🇱🇻 LATVIA | 5 | 4♥ | ♦3 | +2 | +1 |
| +0.5 | Round 11 | 🇨🇦 CANADA | 2 | 3NT | ♠9 | +2 | +13 |
| +0.4 | Round 11 | 🇨🇦 CANADA | 5 | 4♥ | ♦4 | +1 | +0 |
| +0.4 | Round 13 | 🇱🇻 LATVIA | 15 | 4♥ | ♠K | +2 | +1 |
| +0.3 | Round 6 | 🇫🇷 FRANCE | 13 | 3♠ | ♣2 | = | +0 |
| -0.1 | Round 4 | 🇺🇸 USA2 | 1 | 3N | ♠2 | +1 | +0 |
| -0.1 | Round 8 | 🇨🇳 CHINA | 16 | 3NT | ♥5 | +1 | +1 |
| -0.1 | Round 12 | 🇮🇹 ITALY | 8 | 4♠ | ♥A | -2 | -7 |
| -0.4 | Round 4 | 🇺🇸 USA2 | 16 | 6♦x | ♣Q | -4 | -7 |
| -0.5 | Round 6 | 🇫🇷 FRANCE | 6 | 5♥ | ♦10 | = | +11 |
| -0.5 | Round 11 | 🇨🇦 CANADA | 9 | 2♥ | ♦4 | = | +0 |
| -0.6 | Round 12 | 🇮🇹 ITALY | 11 | 5♥ | ♦A | +1 | -11 |
| -0.7 | Round 6 | 🇫🇷 FRANCE | 12 | 3NT | ♦2 | = | -2 |
| -0.8 | Round 13 | 🇱🇻 LATVIA | 3 | 3NT | ♠3 | +2 | -1 |
| -0.9 | Round 11 | 🇨🇦 CANADA | 8 | 1NT | ♥K | -2 | +1 |
| -1.0 | Round 4 | 🇺🇸 USA2 | 7 | 2♦ | ♣2 | +1 | +0 |
| -1.0 | Round 8 | 🇨🇳 CHINA | 5 | 3♥ | ♦6 | = | +0 |
| -1.4 | Round 3 | 🇮🇱 ISRAEL | 14 | 1NT | ♥3 | +2 | -2 |
| -1.4 | Round 3 | 🇮🇱 ISRAEL | 15 | 3♠ | ♥6 | -3 | +0 |
| -1.7 | Round 8 | 🇨🇳 CHINA | 12 | 2NT | ♥3 | = | -5 |
| -2.0 | Round 2 | 🇸🇪 SWEDEN | 4 | 1N | ♠4 | +2 | -2 |
| -2.0 | Round 3 | 🇮🇱 ISRAEL | 10 | 1NT | ♠5 | -1 | -5 |
| -2.1 | Round 2 | 🇸🇪 SWEDEN | 8 | 2♥ | ♠2 | -1 | +1 |
| -2.1 | Round 13 | 🇱🇻 LATVIA | 12 | 1NT | ♠Q | = | -5 |
| -2.2 | Round 11 | 🇨🇦 CANADA | 14 | 4♥ | ♠5 | +1 | +0 |
| -2.3 | Round 2 | 🇸🇪 SWEDEN | 16 | 5♦ | ♥4 | -1 | -5 |
| -2.3 | Round 8 | 🇨🇳 CHINA | 14 | 3NT | ♥Q | -2 | +0 |
| -2.8 | Round 4 | 🇺🇸 USA2 | 10 | 1♠ | ♦A | +2 | -1 |
| -2.8 | Round 12 | 🇮🇹 ITALY | 7 | 4♠ | ♣4 | +1 | -13 |
| -2.9 | Round 11 | 🇨🇦 CANADA | 6 | 2♦x | ♠A | -3 | -4 |
| -2.9 | Round 12 | 🇮🇹 ITALY | 5 | 4♥ | ♦4 | -5 | +8 |
| -3.0 | Round 2 | 🇸🇪 SWEDEN | 9 | 2♠ | ♦J | +1 | -7 |
| -3.1 | Round 2 | 🇸🇪 SWEDEN | 15 | 3NT | ♥3 | = | +1 |
| -3.1 | Round 3 | 🇮🇱 ISRAEL | 4 | 3♣ | ♣3 | -1 | +1 |
| -3.1 | Round 4 | 🇺🇸 USA2 | 15 | 4♠ | ♥K | = | +0 |
| -3.1 | Round 6 | 🇫🇷 FRANCE | 5 | 1♠ | ♥K | +1 | +0 |
| -3.1 | Round 12 | 🇮🇹 ITALY | 16 | 2♠ | ♥J | -2 | -2 |
| -3.7 | Round 12 | 🇮🇹 ITALY | 1 | 4♥ | ♠Q | = | -3 |
| -3.7 | Round 13 | 🇱🇻 LATVIA | 13 | 3♣ | ♦5 | = | -6 |
| -3.8 | Round 2 | 🇸🇪 SWEDEN | 14 | 3N | ♣2 | +1 | +0 |
| -3.9 | Round 2 | 🇸🇪 SWEDEN | 3 | 4♠ | ♥3 | -1 | -5 |
| -4.1 | Round 6 | 🇫🇷 FRANCE | 16 | 2♠ | ♣2 | = | -6 |
| -4.2 | Round 12 | 🇮🇹 ITALY | 6 | 3♦ | ♠Q | -1 | +1 |
| -4.4 | Round 3 | 🇮🇱 ISRAEL | 3 | 3NT | ♠3 | = | -6 |
| -4.4 | Round 13 | 🇱🇻 LATVIA | 2 | 4♠ | ♦J | = | +0 |
| -4.5 | Round 3 | 🇮🇱 ISRAEL | 7 | 4♠ | ♣K | = | -10 |
| -5.1 | Round 8 | 🇨🇳 CHINA | 13 | 3NT | ♠K | = | +1 |
| -5.1 | Round 11 | 🇨🇦 CANADA | 7 | 3NT | ♦2 | = | +0 |
| -5.1 | Round 12 | 🇮🇹 ITALY | 4 | 4♠ | ♥J | -1 | -6 |
| -5.2 | Round 8 | 🇨🇳 CHINA | 4 | 3♥ | ♦4 | = | +0 |
| -5.2 | Round 11 | 🇨🇦 CANADA | 1 | 3NT | ♦5 | -1 | -10 |
| -5.4 | Round 6 | 🇫🇷 FRANCE | 8 | 3♥ | ♥3 | = | -1 |
| -5.5 | Round 3 | 🇮🇱 ISRAEL | 8 | 4♠x | ♦5 | -2 | -5 |
| -5.5 | Round 3 | 🇮🇱 ISRAEL | 9 | 4♠ | ♣5 | +1 | -11 |
| -6.4 | Round 12 | 🇮🇹 ITALY | 12 | 3♦ | ♣2 | -1 | -11 |
| -6.9 | Round 4 | 🇺🇸 USA2 | 4 | 3♠ | ♠7 | -2 | -2 |
| -6.9 | Round 12 | 🇮🇹 ITALY | 9 | 4♥ | ♣4 | +1 | +0 |
| -7.0 | Round 13 | 🇱🇻 LATVIA | 8 | 4♥x | ♠3 | -1 | -9 |
| -7.1 | Round 6 | 🇫🇷 FRANCE | 2 | 4♥ | ♦K | = | -8 |
| -7.1 | Round 12 | 🇮🇹 ITALY | 3 | 4♥ | ♣8 | = | +0 |
| -7.2 | Round 2 | 🇸🇪 SWEDEN | 7 | 3NT | ♠3 | +3 | -1 |
| -7.2 | Round 8 | 🇨🇳 CHINA | 3 | 4♥ | ♠3 | = | -10 |
| -7.5 | Round 2 | 🇸🇪 SWEDEN | 11 | 3N | ♣2 | -3 | -11 |
| -7.5 | Round 3 | 🇮🇱 ISRAEL | 16 | 4NT | ♠6 | +2 | -13 |
| -8.3 | Round 11 | 🇨🇦 CANADA | 13 | 5♥ | ♠5 | = | -10 |
| -8.6 | Round 2 | 🇸🇪 SWEDEN | 2 | 6♠ | ♥3 | = | +0 |
| -8.7 | Round 13 | 🇱🇻 LATVIA | 11 | 3NT | ♣9 | -1 | -10 |
| -8.9 | Round 13 | 🇱🇻 LATVIA | 6 | 5♦x | ♠3 | -3 | -17 |
| -9.1 | Round 6 | 🇫🇷 FRANCE | 3 | 3♣ | ♦2 | -4 | -10 |
| -9.2 | Round 8 | 🇨🇳 CHINA | 15 | 4♠ | ♠3 | -2 | -13 |
| -10.8 | Round 2 | 🇸🇪 SWEDEN | 5 | 6♦ | ♦8 | +1 | +12 |
| -12.1 | Round 2 | 🇸🇪 SWEDEN | 10 | 6♣ | ♦4 | = | +0 |
| -12.1 | Round 6 | 🇫🇷 FRANCE | 15 | 4♠x | ♥K | = | -15 |
| -12.3 | Round 8 | 🇨🇳 CHINA | 7 | 4♥ | ♣8 | -1 | -12 |