🇨🇳 ZHANG Yu · CHINA
43rank
-90.6Butler · 128 bds
-0.71per board
±4.8swing
-0.73vs par /bd · #21/24
-0.49adjusted /bd
by round
vs par split: bidding -0.39 · play -0.27
Strength of schedule: opponents averaged +0.22/bd (a tough draw) → opponent-adjusted -0.49/bd
Card play — on target: opening leads 79.4% #18 of 24 · declarer play 75.7% #11 of 24 · defence 83.1% #17 of 24
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (8) | 80.8% (26) |
| Declarer play | 76.9% (13) | 75.0% (24) |
| Defence | 81.2% (16) | 83.7% (43) |
Opening leads by suit led: ♠ 66.7% (6) · ♥ 66.7% (6) · ♦ 85.7% (14) · ♣ 87.5% (8)
vs par by strain: NT -0.29 (34) · a suit -0.89 (94)
vs par by level: part-score -1.06 (47) · game -0.65 (74) · slam +0.57 (7)
By role: declaring -0.92/bd (-2.80 vs par · 69) · defending -0.46/bd (+1.68 vs par · 59)
By vulnerability: vulnerable -0.47/bd (-0.67 vs par · 64) · not vulnerable -0.95/bd (-0.80 vs par · 64)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | X.Feng | S.Willard – B.Cronier | Closed | 16 | -2.2 | -0.14 | +1.69 |
| Quarterfinal | X.Feng | J.Neve – C.D'Ovidio | Closed | 16 | -15.1 | -0.94 | -0.62 |
| Quarterfinal | X.Feng | V.Reess – D.Gaviard | Open | 16 | +4.7 | +0.29 | -1.44 |
| Semifinal | X.Feng | S.Brock – N.Smith | Open | 16 | +3.4 | +0.21 | -0.19 |
| Semifinal | X.Feng | H.Dhondy – N.Senior | Open | 16 | -10.8 | -0.68 | -3.12 |
| Semifinal | X.Feng | N.Smith – S.Brock | Closed | 16 | -19.5 | -1.22 | +0.31 |
| Final | X.Feng | A.Simons – J.Pasman | Closed | 16 | -29.7 | -1.86 | -2.56 |
| Final | X.Feng | W.Van Zwol – C.Arnolds | Closed | 16 | -21.4 | -1.34 | +0.06 |
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 |
|---|---|---|---|---|---|---|---|
| +12.0 | Semifinal | 🏴 ENGLAND | 65 | 6♣ | ♥J | = | +10 |
| +8.9 | Quarterfinal | 🇫🇷 FRANCE | 28 | 3NT | ♠T | -1 | +10 |
| +8.7 | Semifinal | 🏴 ENGLAND | 9 | 4♥ | ♠K | +1 | +4 |
| +7.3 | Final | 🇳🇱 NETHERLANDS | 24 | 4♥ | ♠3 | +2 | +11 |
| +7.0 | Semifinal | 🏴 ENGLAND | 48 | 3NT | ♣9 | -4 | +11 |
| +7.0 | Final | 🇳🇱 NETHERLANDS | 38 | 3NT | ♠3 | +1 | +7 |
| +6.3 | Quarterfinal | 🇫🇷 FRANCE | 32 | 3♦x | ♠5 | -2 | +2 |
| +6.3 | Quarterfinal | 🇫🇷 FRANCE | 66 | 4♠ | ♦J | +2 | +11 |
| +6.0 | Quarterfinal | 🇫🇷 FRANCE | 93 | 2♠ | ♦A | +1 | +1 |
| +6.0 | Semifinal | 🏴 ENGLAND | 11 | 4♦ | ♥K | = | +8 |
| +6.0 | Semifinal | 🏴 ENGLAND | 78 | 4♠ | ♦Q | -1 | +10 |
| +6.0 | Final | 🇳🇱 NETHERLANDS | 39 | 3♥ | ♠K | -2 | +2 |
| +5.9 | Quarterfinal | 🇫🇷 FRANCE | 22 | 4♥ | ♣Q | -1 | +5 |
| +5.7 | Semifinal | 🏴 ENGLAND | 4 | 2♠ | ♣5 | -1 | +11 |
| +5.7 | Semifinal | 🏴 ENGLAND | 5 | 2♠ | ♦2 | -1 | +5 |
| +5.6 | Quarterfinal | 🇫🇷 FRANCE | 31 | 3NT | ♥10 | = | -1 |
| +5.3 | Semifinal | 🏴 ENGLAND | 35 | 4♥ | ♦7 | = | -1 |
| +5.1 | Quarterfinal | 🇫🇷 FRANCE | 90 | 3♥ | ♠K | = | +10 |
| +5.0 | Final | 🇳🇱 NETHERLANDS | 48 | 3NT | ♥J | +2 | +0 |
| +4.7 | Quarterfinal | 🇫🇷 FRANCE | 86 | 1NT | ♠9 | = | +6 |
| +4.3 | Quarterfinal | 🇫🇷 FRANCE | 79 | 4♠ | ♦K | -1 | +10 |
| +4.3 | Semifinal | 🏴 ENGLAND | 44 | 7♠ | ♣T | = | +0 |
| +4.0 | Semifinal | 🏴 ENGLAND | 16 | 4♠ | ♣K | = | +3 |
| +3.4 | Quarterfinal | 🇫🇷 FRANCE | 89 | 4♥ | ♦J | = | +0 |
| +3.3 | Quarterfinal | 🇫🇷 FRANCE | 88 | 4♠ | ♦K | = | +0 |
| +3.3 | Semifinal | 🏴 ENGLAND | 67 | 2NT | ♦5 | -3 | +9 |
| +3.3 | Semifinal | 🏴 ENGLAND | 69 | 1NT | ♠T | +2 | +1 |
| +3.1 | Quarterfinal | 🇫🇷 FRANCE | 77 | 4♠ | ♦3 | +1 | +1 |
| +2.9 | Quarterfinal | 🇫🇷 FRANCE | 95 | 2♠ | ♣Q | -1 | +0 |
| +2.0 | Semifinal | 🏴 ENGLAND | 70 | 2♠ | ♥4 | = | +0 |
| +1.7 | Semifinal | 🏴 ENGLAND | 10 | 3♠ | ♦6 | -1 | -6 |
| +1.6 | Quarterfinal | 🇫🇷 FRANCE | 70 | 1♥ | ♦K | = | +5 |
| +1.4 | Quarterfinal | 🇫🇷 FRANCE | 20 | 4♠ | ♣K | +1 | +0 |
| +1.4 | Quarterfinal | 🇫🇷 FRANCE | 81 | 5♠ | ♣K | +1 | +11 |
| +1.3 | Semifinal | 🏴 ENGLAND | 37 | 2♦ | ♠6 | = | -2 |
| +1.3 | Semifinal | 🏴 ENGLAND | 38 | 3NT | ♠J | +3 | -11 |
| +1.0 | Quarterfinal | 🇫🇷 FRANCE | 75 | 1NT | ♦4 | -1 | +9 |
| +1.0 | Semifinal | 🏴 ENGLAND | 41 | 5♦x | ♦5 | -2 | +0 |
| +1.0 | Semifinal | 🏴 ENGLAND | 79 | 4♠ | ♦K | = | +1 |
| +0.7 | Semifinal | 🏴 ENGLAND | 6 | 3NT | ♠J | = | +1 |
| +0.7 | Final | 🇳🇱 NETHERLANDS | 23 | 3NT | ♦3 | +1 | +1 |
| +0.7 | Final | 🇳🇱 NETHERLANDS | 42 | 2♣ | ♥7 | +1 | +0 |
| +0.7 | Final | 🇳🇱 NETHERLANDS | 43 | 3NT | ♦5 | +2 | +0 |
| +0.7 | Final | 🇳🇱 NETHERLANDS | 45 | 5♦x | ♠J | -1 | -7 |
| +0.3 | Semifinal | 🏴 ENGLAND | 13 | 4♥ | ♦7 | +1 | +0 |
| +0.3 | Semifinal | 🏴 ENGLAND | 76 | 4♥ | ♦T | +1 | +0 |
| +0.3 | Semifinal | 🏴 ENGLAND | 77 | 4♠ | ♥A | +1 | +0 |
| +0.3 | Final | 🇳🇱 NETHERLANDS | 20 | 4♠ | ♦K | = | +1 |
| +0.3 | Final | 🇳🇱 NETHERLANDS | 30 | 4♠ | ♥8 | +1 | +0 |
| +0.1 | Quarterfinal | 🇫🇷 FRANCE | 24 | 3NT | ♠5 | +2 | +0 |
| +0.0 | Quarterfinal | 🇫🇷 FRANCE | 76 | 4♠ | ♣4 | +1 | -13 |
| +0.0 | Quarterfinal | 🇫🇷 FRANCE | 80 | 4♠ | ♥3 | +1 | -4 |
| -0.0 | Semifinal | 🏴 ENGLAND | 1 | 4♥ | ♦2 | = | -3 |
| -0.0 | Semifinal | 🏴 ENGLAND | 14 | 4♠ | ♥J | +1 | +0 |
| +0.0 | Semifinal | 🏴 ENGLAND | 34 | 4♥ | ♦K | = | -6 |
| +0.0 | Semifinal | 🏴 ENGLAND | 40 | 1NT | ♠Q | -1 | -3 |
| +0.0 | Semifinal | 🏴 ENGLAND | 68 | 2♠ | ♥J | = | +0 |
| +0.0 | Final | 🇳🇱 NETHERLANDS | 17 | 3NT | ♣2 | = | -1 |
| +0.0 | Final | 🇳🇱 NETHERLANDS | 19 | 4♥ | ♠J | = | +0 |
| +0.0 | Final | 🇳🇱 NETHERLANDS | 25 | 4♥ | ♣7 | +1 | -11 |
| +0.0 | Final | 🇳🇱 NETHERLANDS | 35 | 4♥ | ♣K | +1 | +0 |
| -0.1 | Quarterfinal | 🇫🇷 FRANCE | 91 | 4♥ | ♣7 | +1 | +0 |
| -0.3 | Quarterfinal | 🇫🇷 FRANCE | 67 | 4♥ | ♠Q | = | +0 |
| -0.3 | Semifinal | 🏴 ENGLAND | 36 | 3♣ | ♠A | = | +6 |
| -0.3 | Final | 🇳🇱 NETHERLANDS | 18 | 3NT | ♥3 | +1 | +0 |
| -0.6 | Quarterfinal | 🇫🇷 FRANCE | 25 | 4♥ | ♣3 | +1 | +0 |
| -0.6 | Quarterfinal | 🇫🇷 FRANCE | 72 | 3NT | ♦5 | +2 | +0 |
| -0.6 | Quarterfinal | 🇫🇷 FRANCE | 85 | 3NT | ♥T | +1 | -10 |
| -0.6 | Quarterfinal | 🇫🇷 FRANCE | 87 | 2♠ | ♦A | +1 | +0 |
| -0.7 | Quarterfinal | 🇫🇷 FRANCE | 21 | 3♦ | ♥A | -1 | -2 |
| -0.7 | Semifinal | 🏴 ENGLAND | 7 | 3♠ | ♥A | = | +0 |
| -0.7 | Semifinal | 🏴 ENGLAND | 15 | 2♠ | ♦6 | = | +0 |
| -0.7 | Semifinal | 🏴 ENGLAND | 46 | 1NT | ♠T | = | -2 |
| -0.7 | Final | 🇳🇱 NETHERLANDS | 37 | 7NT | ♦Q | -1 | +17 |
| -0.7 | Final | 🇳🇱 NETHERLANDS | 40 | 2♠ | ♦K | -1 | +2 |
| -1.0 | Quarterfinal | 🇫🇷 FRANCE | 23 | 4♦ | ♣9 | -1 | -6 |
| -1.0 | Semifinal | 🏴 ENGLAND | 75 | 1NT | ♦Q | +1 | -1 |
| -1.1 | Quarterfinal | 🇫🇷 FRANCE | 26 | 5♦ | ♠5 | +1 | +13 |
| -1.6 | Quarterfinal | 🇫🇷 FRANCE | 18 | 4♥ | ♦J | = | +0 |
| -1.6 | Quarterfinal | 🇫🇷 FRANCE | 84 | 3NT | ♥8 | +3 | -13 |
| -1.7 | Semifinal | 🏴 ENGLAND | 45 | 2♠ | ♣5 | = | +0 |
| -1.7 | Final | 🇳🇱 NETHERLANDS | 29 | 1NT | ♣2 | = | -1 |
| -2.0 | Quarterfinal | 🇫🇷 FRANCE | 92 | 4♠ | ♣J | +1 | -11 |
| -2.0 | Semifinal | 🏴 ENGLAND | 3 | 4♠ | ♣A | = | +0 |
| -2.0 | Semifinal | 🏴 ENGLAND | 66 | 2♥ | ♣K | = | -5 |
| -2.0 | Semifinal | 🏴 ENGLAND | 74 | 4♠ | ♥K | -1 | +12 |
| -2.0 | Final | 🇳🇱 NETHERLANDS | 26 | 3NT | ♣3 | -2 | -8 |
| -2.0 | Final | 🇳🇱 NETHERLANDS | 46 | 4♥ | ♠A | -1 | -2 |
| -2.1 | Quarterfinal | 🇫🇷 FRANCE | 73 | 3NT | ♠Q | -1 | +2 |
| -2.3 | Quarterfinal | 🇫🇷 FRANCE | 30 | 3NT | ♦3 | +2 | +11 |
| -2.3 | Quarterfinal | 🇫🇷 FRANCE | 78 | 4♥ | ♠K | +1 | +0 |
| -2.3 | Quarterfinal | 🇫🇷 FRANCE | 94 | 3♣ | ♠2 | -1 | -4 |
| -2.7 | Quarterfinal | 🇫🇷 FRANCE | 74 | 2♠ | ♦A | -2 | -3 |
| -2.9 | Quarterfinal | 🇫🇷 FRANCE | 27 | 6NT | ♠2 | -1 | -11 |
| -2.9 | Quarterfinal | 🇫🇷 FRANCE | 29 | 4♥ | ♠10 | = | +0 |
| -3.0 | Semifinal | 🏴 ENGLAND | 72 | 4♠ | ♥9 | -1 | -4 |
| -3.0 | Final | 🇳🇱 NETHERLANDS | 28 | 4♥x | ♦Q | -3 | -3 |
| -3.0 | Final | 🇳🇱 NETHERLANDS | 47 | 3♠ | +1 | -10 | |
| -3.3 | Semifinal | 🏴 ENGLAND | 42 | 2♠ | ♣K | +2 | -10 |
| -3.3 | Final | 🇳🇱 NETHERLANDS | 31 | 3NT | ♣K | +1 | +0 |
| -3.7 | Final | 🇳🇱 NETHERLANDS | 44 | 4♠ | ♦K | = | +0 |
| -4.0 | Quarterfinal | 🇫🇷 FRANCE | 68 | 1♦ | ♥A | +2 | +0 |
| -4.0 | Final | 🇳🇱 NETHERLANDS | 27 | 2♠ | ♦4 | = | -8 |
| -4.6 | Quarterfinal | 🇫🇷 FRANCE | 96 | 1NT | ♥4 | +2 | -2 |
| -4.7 | Semifinal | 🏴 ENGLAND | 47 | 3NT | ♥6 | = | -13 |
| -4.7 | Final | 🇳🇱 NETHERLANDS | 36 | 4♠ | ♥Q | +1 | +13 |
| -4.9 | Quarterfinal | 🇫🇷 FRANCE | 82 | 5♥x | ♠5 | -2 | -5 |
| -5.0 | Semifinal | 🏴 ENGLAND | 43 | 3NT | ♥8 | = | +1 |
| -5.3 | Semifinal | 🏴 ENGLAND | 33 | 3♦ | ♣T | -3 | -10 |
| -5.4 | Quarterfinal | 🇫🇷 FRANCE | 83 | 4♠ | ♠4 | -1 | -6 |
| -5.7 | Quarterfinal | 🇫🇷 FRANCE | 71 | 2♠ | ♥4 | +1 | -7 |
| -5.7 | Semifinal | 🏴 ENGLAND | 8 | 4♥ | ♦5 | -1 | -5 |
| -6.0 | Final | 🇳🇱 NETHERLANDS | 32 | 4♥ | ♥3 | = | -13 |
| -6.0 | Final | 🇳🇱 NETHERLANDS | 41 | 2♥ | ♦7 | +2 | -2 |
| -6.6 | Quarterfinal | 🇫🇷 FRANCE | 65 | 2♦x | ♥3 | +1 | -9 |
| -6.7 | Quarterfinal | 🇫🇷 FRANCE | 17 | 3NT | ♠J | = | -7 |
| -7.1 | Quarterfinal | 🇫🇷 FRANCE | 69 | 3NT | ♦K | -2 | -12 |
| -7.3 | Semifinal | 🏴 ENGLAND | 12 | 6♠ | ♣J | -2 | -11 |
| -8.0 | Final | 🇳🇱 NETHERLANDS | 34 | 4♠ | ♣9 | -1 | -5 |
| -9.0 | Final | 🇳🇱 NETHERLANDS | 21 | 4♠ | ♣3 | = | -13 |
| -9.0 | Final | 🇳🇱 NETHERLANDS | 22 | 2♣x | ♦T | -3 | +4 |
| -10.0 | Semifinal | 🏴 ENGLAND | 39 | 3♠ | ♣Q | +1 | -10 |
| -10.6 | Quarterfinal | 🇫🇷 FRANCE | 19 | 6♠ | ♣5 | = | +13 |
| -12.0 | Semifinal | 🏴 ENGLAND | 80 | 4♦x | ♦K | -3 | -9 |
| -12.7 | Final | 🇳🇱 NETHERLANDS | 33 | 6♣ | ♠5 | -1 | -14 |
| -13.0 | Semifinal | 🏴 ENGLAND | 2 | 5♣ | ♦Q | = | -10 |
| -13.7 | Semifinal | 🏴 ENGLAND | 71 | 2♠x | ♣7 | +1 | -14 |
| -14.0 | Semifinal | 🏴 ENGLAND | 73 | 3♥x | ♠K | -4 | -5 |