🇨🇳 TAN Qianyi · CHINA
vs par split: bidding +0.46 · play +0.46
Strength of schedule: opponents averaged -0.05/bd (an easy draw) → opponent-adjusted +0.33/bd
Card play — on target: opening leads 76.0% #86 of 111 · declarer play 84.6% #9 of 111 · defence 79.6% #95 of 111
Bidding activity — not a pass: 39.2% #93 of 111 (87/222)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 57.1% (7) | 83.3% (18) |
| Declarer play | 100.0% (3) | 80.0% (10) |
| Defence | 100.0% (11) | 73.7% (38) |
Opening leads by suit led: ♠ 75.0% (4) · ♥ 80.0% (10) · ♦ 75.0% (4) · ♣ 71.4% (7)
vs par by strain: NT +0.53 (19) · a suit +1.05 (61)
vs par by level: part-score +1.19 (32) · game +1.38 (45) · slam -8.67 (3)
By role: declaring +0.04/bd (-1.42 vs par · 31) · defending +0.60/bd (+2.41 vs par · 49)
By vulnerability: vulnerable +0.20/bd (+0.50 vs par · 40) · not vulnerable +0.56/bd (+1.35 vs par · 40)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | Y.Li | N.Davila – B.Perez | Open | 8 | +1.6 | +0.20 | -1.00 |
| Round 5 | Y.Li | J.Lieberman – C.Welland | Closed | 8 | +6.1 | +0.76 | +0.00 |
| Round 7 | Y.Li | H.Gao – R.Lee | Open | 8 | +14.2 | +1.77 | +0.62 |
| Round 9 | Y.Li | R.Bloch – E.Vallet | Open | 8 | -15.8 | -1.98 | +0.12 |
| Round 10 | Y.Li | J.Clark – K.Panchagnula | Closed | 8 | -3.5 | -0.44 | -2.50 |
| Round 12 | Y.Li | M.Iher – S.Laan | Closed | 8 | +17.4 | +2.17 | +2.88 |
| Round 13 | Y.Li | P.Dey – S.Chatterjee | Closed | 8 | -4.8 | -0.60 | +1.75 |
| Round 15 | Y.Li | B.Van Noort – A.Boonstra | Closed | 8 | +0.4 | +0.05 | +3.00 |
| Round 16 | Y.Li | Z.Zhu – Y.Zuo | Open | 8 | +16.2 | +2.02 | +2.25 |
| Round 18 | Y.Li | S.Vazic – M.Seizovic | Closed | 8 | -1.1 | -0.14 | +2.12 |
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 |
|---|---|---|---|---|---|---|---|
| +13.4 | Round 12 | 🇪🇪 ESTONIA | 28 | 3♦x | ♥5 | -4 | +14 |
| +10.4 | Round 10 | 🏴 ENGLAND | 9 | 4♠ | ♥5 | +2 | +11 |
| +9.8 | Round 16 | 🇩🇪 GERMANY | 30 | 4♠ | ♥6 | -2 | +11 |
| +9.6 | Round 16 | 🇩🇪 GERMANY | 32 | 3NT | ♦4 | = | +10 |
| +9.5 | Round 16 | 🇩🇪 GERMANY | 29 | 3NT | ♥T | -4 | +11 |
| +8.8 | Round 5 | 🇺🇸 USA2 | 6 | 3NT | ♥3 | +1 | +1 |
| +8.6 | Round 15 | 🇳🇱 NETHERLANDS | 24 | 4♥ | ♠8 | -1 | +10 |
| +8.5 | Round 7 | 🇸🇬 SINGAPORE | 19 | 4♥ | ♣J | -1 | +10 |
| +7.8 | Round 7 | 🇸🇬 SINGAPORE | 23 | 4♠x | ♥2 | -2 | +12 |
| +6.4 | Round 2 | 🇨🇱 CHILE | 11 | 2♠ | ♣A | = | +11 |
| +6.4 | Round 10 | 🏴 ENGLAND | 13 | 6♦ | ♥3 | = | -13 |
| +6.3 | Round 15 | 🇳🇱 NETHERLANDS | 17 | 3NT | ♣5 | -1 | +10 |
| +5.9 | Round 18 | 🇷🇸 SERBIA | 15 | 4♠ | ♦8 | -1 | +13 |
| +5.7 | Round 16 | 🇩🇪 GERMANY | 28 | 4♠x | ♠6 | = | +9 |
| +5.1 | Round 2 | 🇨🇱 CHILE | 14 | 4♠ | ♣5 | = | +8 |
| +4.0 | Round 15 | 🇳🇱 NETHERLANDS | 23 | 2♠ | ♠2 | = | +12 |
| +3.9 | Round 5 | 🇺🇸 USA2 | 2 | 4♥ | ♣6 | -1 | -1 |
| +3.6 | Round 18 | 🇷🇸 SERBIA | 13 | 4♥ | ♠2 | +1 | +0 |
| +3.3 | Round 2 | 🇨🇱 CHILE | 13 | 4♥ | ♣A | -2 | +2 |
| +3.2 | Round 10 | 🏴 ENGLAND | 14 | 2♥ | ♦K | +1 | +0 |
| +3.0 | Round 15 | 🇳🇱 NETHERLANDS | 22 | 3♠x | ♦A | -4 | +4 |
| +2.2 | Round 18 | 🇷🇸 SERBIA | 16 | 3NT | ♥2 | -2 | +6 |
| +2.1 | Round 5 | 🇺🇸 USA2 | 8 | 3♥ | ♦3 | -1 | +4 |
| +2.0 | Round 12 | 🇪🇪 ESTONIA | 32 | 3NT | ♠4 | = | +2 |
| +1.8 | Round 9 | 🇫🇷 FRANCE | 6 | 3♥ | ♦A | -1 | -3 |
| +1.8 | Round 12 | 🇪🇪 ESTONIA | 27 | 3♠ | ♥Q | = | +7 |
| +1.7 | Round 13 | 🇮🇳 INDIA | 6 | 5♦x | ♣Q | -1 | +5 |
| +1.5 | Round 9 | 🇫🇷 FRANCE | 7 | 2♠ | ♦A | = | +6 |
| +1.3 | Round 9 | 🇫🇷 FRANCE | 1 | 4♠ | ♥4 | -1 | +10 |
| +1.2 | Round 9 | 🇫🇷 FRANCE | 8 | 4♠ | ♥K | -1 | +5 |
| +1.2 | Round 12 | 🇪🇪 ESTONIA | 26 | 4♠ | ♣Q | = | +0 |
| +0.9 | Round 12 | 🇪🇪 ESTONIA | 30 | 3♠ | ♥K | +2 | +6 |
| +0.9 | Round 13 | 🇮🇳 INDIA | 5 | 4♣ | ♥5 | -1 | +2 |
| +0.8 | Round 7 | 🇸🇬 SINGAPORE | 24 | 1NT | ♣3 | +1 | +0 |
| +0.8 | Round 13 | 🇮🇳 INDIA | 8 | 3NT | ♥2 | +2 | +0 |
| +0.8 | Round 18 | 🇷🇸 SERBIA | 9 | 5♥ | ♣2 | +1 | +11 |
| +0.8 | Round 18 | 🇷🇸 SERBIA | 14 | 3♥ | ♣T | -2 | +5 |
| +0.7 | Round 2 | 🇨🇱 CHILE | 9 | 4♠ | ♦5 | = | +0 |
| +0.7 | Round 7 | 🇸🇬 SINGAPORE | 17 | 3♥ | ♠K | -1 | -2 |
| +0.7 | Round 12 | 🇪🇪 ESTONIA | 25 | 3♥ | ♥2 | -1 | +8 |
| +0.5 | Round 18 | 🇷🇸 SERBIA | 11 | 4♠ | ♥2 | +1 | +0 |
| +0.4 | Round 7 | 🇸🇬 SINGAPORE | 21 | 3NT | ♥6 | +2 | -10 |
| +0.4 | Round 13 | 🇮🇳 INDIA | 1 | 3NT | ♠7 | = | +11 |
| +0.1 | Round 5 | 🇺🇸 USA2 | 3 | 4♠ | ♦3 | = | +0 |
| -0.2 | Round 13 | 🇮🇳 INDIA | 4 | 1NT | ♣A | +1 | +0 |
| -0.3 | Round 9 | 🇫🇷 FRANCE | 3 | 2♦ | ♠Q | -1 | +5 |
| -0.4 | Round 12 | 🇪🇪 ESTONIA | 31 | 4♠ | ♦6 | +2 | -11 |
| -0.6 | Round 7 | 🇸🇬 SINGAPORE | 20 | 1♠ | ♣Q | +1 | -1 |
| -1.0 | Round 10 | 🏴 ENGLAND | 11 | 3NT | ♦5 | +1 | +1 |
| -1.2 | Round 7 | 🇸🇬 SINGAPORE | 22 | 3NT | ♦6 | = | +0 |
| -1.3 | Round 13 | 🇮🇳 INDIA | 3 | 2♠ | ♥K | +1 | -6 |
| -1.3 | Round 15 | 🇳🇱 NETHERLANDS | 18 | 2♠ | ♥K | = | +1 |
| -1.6 | Round 2 | 🇨🇱 CHILE | 15 | 4♠ | ♥5 | -1 | -10 |
| -1.7 | Round 2 | 🇨🇱 CHILE | 12 | 4♥ | ♠A | -1 | -5 |
| -1.7 | Round 10 | 🏴 ENGLAND | 15 | 1NT | ♠K | = | +0 |
| -1.7 | Round 13 | 🇮🇳 INDIA | 2 | 3♦ | ♠J | -1 | +2 |
| -1.8 | Round 5 | 🇺🇸 USA2 | 5 | 2♥ | ♣4 | +2 | +4 |
| -1.8 | Round 5 | 🇺🇸 USA2 | 7 | 4♠ | ♣3 | +1 | -1 |
| -2.1 | Round 5 | 🇺🇸 USA2 | 4 | 3♦ | ♣3 | +2 | -1 |
| -2.2 | Round 7 | 🇸🇬 SINGAPORE | 18 | 3NT | ♥K | -1 | -4 |
| -2.2 | Round 12 | 🇪🇪 ESTONIA | 29 | 3♦ | ♠2 | -2 | -3 |
| -2.2 | Round 16 | 🇩🇪 GERMANY | 27 | 4♥ | ♠7 | = | +1 |
| -2.3 | Round 9 | 🇫🇷 FRANCE | 5 | 2♦ | ♥4 | = | -5 |
| -3.1 | Round 5 | 🇺🇸 USA2 | 1 | 3♠ | ♥8 | -3 | -6 |
| -3.2 | Round 16 | 🇩🇪 GERMANY | 26 | 2♥ | ♣9 | -1 | -5 |
| -3.3 | Round 2 | 🇨🇱 CHILE | 10 | 2♦ | ♣K | = | -5 |
| -3.4 | Round 15 | 🇳🇱 NETHERLANDS | 20 | 4♠x | ♦Q | -2 | +3 |
| -5.4 | Round 13 | 🇮🇳 INDIA | 7 | 6NT | ♦8 | = | +0 |
| -5.6 | Round 16 | 🇩🇪 GERMANY | 25 | 5♦ | ♣4 | -1 | -6 |
| -5.9 | Round 10 | 🏴 ENGLAND | 16 | 2♣ | ♥T | +1 | +0 |
| -6.4 | Round 10 | 🏴 ENGLAND | 12 | 4♠ | ♣8 | -1 | -6 |
| -6.4 | Round 18 | 🇷🇸 SERBIA | 12 | 3NT | ♦3 | +1 | -1 |
| -6.8 | Round 15 | 🇳🇱 NETHERLANDS | 19 | 4♠x | ♥A | +1 | -6 |
| -7.1 | Round 9 | 🇫🇷 FRANCE | 2 | 2♥ | ♣Q | +2 | -7 |
| -7.3 | Round 2 | 🇨🇱 CHILE | 16 | 2♠ | ♣A | -3 | -9 |
| -7.4 | Round 16 | 🇩🇪 GERMANY | 31 | 4♠ | ♥A | = | -13 |
| -8.5 | Round 10 | 🏴 ENGLAND | 10 | 6♦ | ♣A | = | -13 |
| -8.5 | Round 18 | 🇷🇸 SERBIA | 10 | 3NT | ♥4 | -2 | -17 |
| -10.0 | Round 15 | 🇳🇱 NETHERLANDS | 21 | 3NT | ♦3 | -1 | -10 |
| -11.9 | Round 9 | 🇫🇷 FRANCE | 4 | 4♥ | ♠8 | = | -10 |