🇺🇸 MA Lingyi · USA
vs par split: bidding +0.96 · play -0.19
Strength of schedule: opponents averaged -0.00/bd (an average draw) → opponent-adjusted -0.30/bd
Card play — on target: opening leads 68.4% · declarer play 50.0% · defence 74.4%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 57.1% (7) | 75.0% (12) |
| Declarer play | 50.0% (4) | 50.0% (12) |
| Defence | 75.0% (12) | 74.1% (27) |
Opening leads by suit led: ♠ 60.0% (5) · ♥ 75.0% (8) · ♦ 60.0% (5) · ♣ 100.0% (1)
vs par by strain: NT +0.15 (20) · a suit +1.02 (49)
vs par by level: part-score +0.66 (29) · game +0.59 (39) · slam +11.00 (1)
By role: declaring -1.08/bd (-1.77 vs par · 30) · defending +0.29/bd (+2.75 vs par · 40)
By vulnerability: vulnerable -0.29/bd (+0.49 vs par · 35) · not vulnerable -0.30/bd (+1.14 vs par · 35)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | E.Kolesnik | E.Gurer – S.Akdas | Closed | 14 | -20.3 | -1.45 | -2.14 |
| Round 4 | A.Lin | L.Covill – S.Ren | Open | 14 | -9.4 | -0.67 | -0.79 |
| Round 6 | A.Lin | T.Battaggia – I.Perez | Closed | 14 | +10.2 | +0.73 | +1.57 |
| Round 7 | E.Kolesnik | Y.Wu – Y.Leung | Open | 14 | +5.2 | +0.37 | +2.64 |
| Round 10 | A.Lin | C.Hu – X.Ni | Closed | 14 | -6.3 | -0.45 | +2.79 |
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 |
|---|---|---|---|---|---|---|---|
| +7.8 | Round 4 | 🏴 ENGLAND | 13 | 3NT | ♠5 | = | +0 |
| +6.4 | Round 10 | 🇨🇳 CHINA | 1 | 3NT | ♥6 | -1 | +17 |
| +5.8 | Round 1 | 🇹🇷 TURKEY | 6 | 3♣x | ♣8 | -2 | -7 |
| +5.7 | Round 4 | 🏴 ENGLAND | 10 | 4♠ | ♥3 | -1 | +6 |
| +5.5 | Round 10 | 🇨🇳 CHINA | 10 | 4♥ | ♠A | -1 | +12 |
| +5.0 | Round 6 | 🇧🇷 BRAZIL | 11 | 1NT | ♠2 | +2 | +6 |
| +5.0 | Round 7 | 🇭🇰 CHINA HONG KONG | 11 | 3♥ | ♣4 | +1 | +7 |
| +4.7 | Round 6 | 🇧🇷 BRAZIL | 3 | 3♥ | ♦A | -2 | +11 |
| +4.5 | Round 1 | 🇹🇷 TURKEY | 1 | 3♥ | ♣3 | = | +1 |
| +4.3 | Round 6 | 🇧🇷 BRAZIL | 8 | 4♠ | ♣9 | +3 | +14 |
| +4.3 | Round 10 | 🇨🇳 CHINA | 7 | 3♠ | ♠A | -2 | +3 |
| +4.2 | Round 7 | 🇭🇰 CHINA HONG KONG | 12 | 2♥ | ♣10 | +1 | +6 |
| +4.0 | Round 7 | 🇭🇰 CHINA HONG KONG | 5 | 4♠ | ♥K | +2 | +13 |
| +3.8 | Round 7 | 🇭🇰 CHINA HONG KONG | 10 | 3NT | ♠3 | -1 | +5 |
| +3.6 | Round 10 | 🇨🇳 CHINA | 13 | 4NT | ♥2 | +2 | +13 |
| +3.2 | Round 4 | 🏴 ENGLAND | 9 | 1NT | ♦J | +2 | +1 |
| +3.2 | Round 6 | 🇧🇷 BRAZIL | 5 | 4♠ | ♥2 | -2 | +2 |
| +2.5 | Round 7 | 🇭🇰 CHINA HONG KONG | 6 | 2♥ | ♦7 | +2 | +6 |
| +2.3 | Round 6 | 🇧🇷 BRAZIL | 12 | 1NT | ♥4 | -1 | +2 |
| +2.0 | Round 1 | 🇹🇷 TURKEY | 8 | 4♠ | ♣9 | +3 | +2 |
| +1.5 | Round 10 | 🇨🇳 CHINA | 12 | 4♠ | ♦7 | +1 | -11 |
| +1.3 | Round 1 | 🇹🇷 TURKEY | 3 | 2♠ | ♦A | +3 | +6 |
| +1.1 | Round 4 | 🏴 ENGLAND | 11 | 3NT | ♠6 | -1 | +10 |
| +0.8 | Round 6 | 🇧🇷 BRAZIL | 13 | 3♥ | ♣4 | = | +0 |
| +0.8 | Round 10 | 🇨🇳 CHINA | 14 | 4♥ | ♣A | +2 | +11 |
| +0.6 | Round 7 | 🇭🇰 CHINA HONG KONG | 1 | 3♣ | ♥10 | = | +0 |
| +0.5 | Round 1 | 🇹🇷 TURKEY | 4 | 4♠ | ♦4 | = | +1 |
| +0.5 | Round 4 | 🏴 ENGLAND | 5 | 3♦ | ♥A | -1 | -8 |
| +0.3 | Round 4 | 🏴 ENGLAND | 6 | 4♣ | ♦3 | -1 | -2 |
| +0.1 | Round 4 | 🏴 ENGLAND | 2 | 4♠ | ♦4 | -2 | +7 |
| +0.1 | Round 6 | 🇧🇷 BRAZIL | 1 | 2♠ | ♥K | -2 | +5 |
| +0.1 | Round 7 | 🇭🇰 CHINA HONG KONG | 7 | 4♠ | ♠3 | = | +0 |
| -0.0 | Round 6 | 🇧🇷 BRAZIL | 4 | 4♠ | ♣6 | +1 | +0 |
| -0.0 | Round 7 | 🇭🇰 CHINA HONG KONG | 2 | 4♥ | ♠3 | = | +0 |
| -0.1 | Round 4 | 🏴 ENGLAND | 12 | 4♠x | ♦4 | -2 | -4 |
| -0.1 | Round 6 | 🇧🇷 BRAZIL | 7 | Pass | +4 | ||
| -0.2 | Round 4 | 🏴 ENGLAND | 14 | 4♠ | ♦K | -1 | +3 |
| -0.5 | Round 1 | 🇹🇷 TURKEY | 14 | 3♠ | ♣J | -1 | +8 |
| -0.5 | Round 7 | 🇭🇰 CHINA HONG KONG | 9 | 2♠ | ♥J | -1 | -11 |
| -0.7 | Round 10 | 🇨🇳 CHINA | 2 | 3NT | ♠8 | +2 | +0 |
| -0.9 | Round 1 | 🇹🇷 TURKEY | 9 | 2♠ | ♦8 | +1 | +6 |
| -0.9 | Round 1 | 🇹🇷 TURKEY | 11 | 4♠ | ♦2 | = | -1 |
| -1.1 | Round 7 | 🇭🇰 CHINA HONG KONG | 8 | 4♠ | ♦2 | +1 | -1 |
| -1.2 | Round 6 | 🇧🇷 BRAZIL | 2 | 1NT | ♥7 | +1 | -5 |
| -1.3 | Round 6 | 🇧🇷 BRAZIL | 6 | 3♦ | ♥2 | -1 | +1 |
| -1.3 | Round 7 | 🇭🇰 CHINA HONG KONG | 13 | 4NT | ♠6 | +2 | +13 |
| -1.4 | Round 4 | 🏴 ENGLAND | 1 | 3♠ | ♣A | +1 | +2 |
| -1.4 | Round 7 | 🇭🇰 CHINA HONG KONG | 14 | 5♣ | ♠4 | = | +0 |
| -1.8 | Round 4 | 🏴 ENGLAND | 7 | 1NT | ♣A | = | -5 |
| -1.9 | Round 1 | 🇹🇷 TURKEY | 7 | 4♥ | ♣7 | +2 | -1 |
| -2.0 | Round 6 | 🇧🇷 BRAZIL | 9 | 3♦ | ♠6 | -1 | -5 |
| -2.2 | Round 10 | 🇨🇳 CHINA | 4 | 2♦ | ♥Q | -2 | +10 |
| -2.3 | Round 6 | 🇧🇷 BRAZIL | 14 | 3NT | ♥7 | -2 | -5 |
| -2.6 | Round 10 | 🇨🇳 CHINA | 8 | 5♦ | ♥5 | -1 | -4 |
| -3.3 | Round 6 | 🇧🇷 BRAZIL | 10 | 4♠ | ♣5 | -2 | -8 |
| -3.5 | Round 7 | 🇭🇰 CHINA HONG KONG | 4 | 3NT | ♦5 | +1 | -1 |
| -3.8 | Round 1 | 🇹🇷 TURKEY | 13 | 3NT | ♦2 | -1 | -12 |
| -4.1 | Round 10 | 🇨🇳 CHINA | 6 | 3♥ | ♠J | -2 | -3 |
| -4.1 | Round 10 | 🇨🇳 CHINA | 9 | 3NT | ♥9 | -1 | -9 |
| -4.2 | Round 10 | 🇨🇳 CHINA | 5 | 4♠ | ♣Q | -1 | -5 |
| -5.0 | Round 4 | 🏴 ENGLAND | 4 | 4♠ | ♥A | +1 | -10 |
| -5.0 | Round 10 | 🇨🇳 CHINA | 3 | 2NT | ♠2 | -1 | -6 |
| -5.1 | Round 1 | 🇹🇷 TURKEY | 2 | 1NT | ♣9 | -1 | -10 |
| -5.2 | Round 1 | 🇹🇷 TURKEY | 10 | 4♥ | ♣3 | +1 | -1 |
| -5.5 | Round 10 | 🇨🇳 CHINA | 11 | 6♠ | ♠3 | +1 | +11 |
| -6.9 | Round 4 | 🏴 ENGLAND | 3 | 3NT | ♥3 | = | +0 |
| -7.2 | Round 7 | 🇭🇰 CHINA HONG KONG | 3 | 2♠ | ♣2 | = | +0 |
| -7.7 | Round 1 | 🇹🇷 TURKEY | 12 | 3NT | ♥6 | +2 | -11 |
| -8.4 | Round 1 | 🇹🇷 TURKEY | 5 | 5♦ | ♥Q | -2 | -11 |
| -12.7 | Round 4 | 🏴 ENGLAND | 8 | 4♠ | ♥8 | +1 | -11 |