🇨🇳 NIU Yuanzhe · CHINA
vs par split: bidding -0.02 · play -0.14
Strength of schedule: opponents averaged -0.44/bd (an easy draw) → opponent-adjusted -0.83/bd
Card play — on target: opening leads 84.6% · declarer play 91.7% · defence 77.3%
Bidding activity — not a pass: 34.5% (41/119)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (5) | 75.0% (8) |
| Declarer play | 100.0% (1) | 90.9% (11) |
| Defence | 71.4% (7) | 80.0% (15) |
Opening leads by suit led: ♠ 100.0% (5) · ♥ 50.0% (2) · ♦ 83.3% (6)
vs par by strain: NT +0.15 (13) · a suit -0.31 (29)
vs par by level: part-score +0.67 (12) · game -0.16 (25) · slam -2.20 (5)
By role: declaring +0.85/bd (-0.70 vs par · 20) · defending -1.51/bd (+0.32 vs par · 22)
By vulnerability: vulnerable -0.00/bd (-0.71 vs par · 21) · not vulnerable -0.78/bd (+0.38 vs par · 21)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | B.Jiang | A.Carletti – F.Porta | Closed | 14 | +12.8 | +0.91 | +0.43 |
| Quarterfinal | B.Jiang | C.Brusotti – F.Porta | Closed | 14 | +5.3 | +0.38 | -0.36 |
| Quarterfinal | B.Jiang | A.Carletti – F.Porta | Closed | 14 | -34.4 | -2.46 | -0.57 |
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 |
|---|---|---|---|---|---|---|---|
| +11.7 | Quarterfinal | 🇮🇹 ITALY | 5 | 4♥x | ♦Q | -4 | +5 |
| +11.6 | Quarterfinal | 🇮🇹 ITALY | 12 | 2♦x | ♥9 | = | +12 |
| +11.3 | Quarterfinal | 🇮🇹 ITALY | 10 | 6NT | ♦2 | = | +13 |
| +9.7 | Quarterfinal | 🇮🇹 ITALY | 3 | 3♦x | ♣K | = | +11 |
| +9.1 | Quarterfinal | 🇮🇹 ITALY | 34 | 5♣ | ♠A | -8 | +14 |
| +5.1 | Quarterfinal | 🇮🇹 ITALY | 39 | 1NT | ♦4 | = | +6 |
| +4.1 | Quarterfinal | 🇮🇹 ITALY | 7 | 4♣ | ♥A | -1 | +1 |
| +3.4 | Quarterfinal | 🇮🇹 ITALY | 48 | 3NT | ♣4 | = | +0 |
| +3.1 | Quarterfinal | 🇮🇹 ITALY | 6 | 4♥ | ♠A | +1 | +7 |
| +1.7 | Quarterfinal | 🇮🇹 ITALY | 49 | 5♦x | ♦3 | -2 | +5 |
| +1.4 | Quarterfinal | 🇮🇹 ITALY | 55 | 1NT | ♦J | = | -1 |
| +0.9 | Quarterfinal | 🇮🇹 ITALY | 53 | 3NT | ♥7 | +2 | +13 |
| +0.7 | Quarterfinal | 🇮🇹 ITALY | 13 | 5♣ | ♦2 | = | -1 |
| +0.6 | Quarterfinal | 🇮🇹 ITALY | 36 | 4♥ | ♠2 | +1 | -1 |
| +0.4 | Quarterfinal | 🇮🇹 ITALY | 42 | 4♥ | ♥5 | +2 | +1 |
| +0.1 | Quarterfinal | 🇮🇹 ITALY | 45 | 3NT | ♦3 | +1 | +0 |
| +0.0 | Quarterfinal | 🇮🇹 ITALY | 32 | 4♠ | ♥A | +1 | +0 |
| +0.0 | Quarterfinal | 🇮🇹 ITALY | 33 | 6♥ | ♠J | -1 | -13 |
| +0.0 | Quarterfinal | 🇮🇹 ITALY | 37 | 5♥x | ♠A | -2 | -5 |
| -0.4 | Quarterfinal | 🇮🇹 ITALY | 43 | 4♠ | ♣J | +1 | -1 |
| -0.7 | Quarterfinal | 🇮🇹 ITALY | 38 | 3♠ | ♣J | -1 | +0 |
| -1.1 | Quarterfinal | 🇮🇹 ITALY | 30 | 5♥x | ♠A | -1 | +0 |
| -1.3 | Quarterfinal | 🇮🇹 ITALY | 40 | 2♣ | ♦8 | = | +0 |
| -1.4 | Quarterfinal | 🇮🇹 ITALY | 31 | 2♠ | ♣A | +1 | -7 |
| -1.4 | Quarterfinal | 🇮🇹 ITALY | 41 | 4♥ | ♠J | +1 | +0 |
| -1.6 | Quarterfinal | 🇮🇹 ITALY | 14 | 1♣ | ♦4 | +1 | -2 |
| -1.6 | Quarterfinal | 🇮🇹 ITALY | 29 | 4♥ | ♦J | = | +0 |
| -1.7 | Quarterfinal | 🇮🇹 ITALY | 8 | 2♥ | ♥3 | = | +0 |
| -2.0 | Quarterfinal | 🇮🇹 ITALY | 46 | 3NT | ♦A | -1 | -6 |
| -2.4 | Quarterfinal | 🇮🇹 ITALY | 35 | 6♥ | ♦Q | = | +0 |
| -2.9 | Quarterfinal | 🇮🇹 ITALY | 50 | 4♥ | ♣A | = | -3 |
| -4.1 | Quarterfinal | 🇮🇹 ITALY | 2 | 5♦x | ♠Q | -3 | -12 |
| -4.3 | Quarterfinal | 🇮🇹 ITALY | 56 | 4♥ | ♦K | -2 | -2 |
| -5.3 | Quarterfinal | 🇮🇹 ITALY | 9 | 3♠ | ♦6 | = | -7 |
| -5.4 | Quarterfinal | 🇮🇹 ITALY | 47 | 3NT | ♠6 | = | +1 |
| -5.4 | Quarterfinal | 🇮🇹 ITALY | 51 | 1NT | ♣4 | -1 | -5 |
| -5.7 | Quarterfinal | 🇮🇹 ITALY | 1 | 3NT | ♠3 | -1 | -10 |
| -6.3 | Quarterfinal | 🇮🇹 ITALY | 11 | 3NT | ♠3 | +1 | +0 |
| -6.7 | Quarterfinal | 🇮🇹 ITALY | 52 | 3NT | ♥T | = | -6 |
| -6.7 | Quarterfinal | 🇮🇹 ITALY | 54 | 6♥ | ♥7 | = | +0 |
| -8.1 | Quarterfinal | 🇮🇹 ITALY | 44 | 3NTx | ♠5 | = | -3 |
| -14.7 | Quarterfinal | 🇮🇹 ITALY | 4 | 6♥x | ♠T | = | -11 |