ZHANG Yu · CHINA 1
1rank
+142.7Butler · 100 bds
+1.43per board
±3.8swing
+1.30vs par /bd · #5/119
+1.51adjusted /bd
by round
vs par split: bidding +0.47 · play +0.83
Strength of schedule: opponents averaged +0.08/bd (a tough draw) → opponent-adjusted +1.51/bd
Card play — on target: opening leads 87.1% #27 of 119 · declarer play 77.3% #41 of 119 · defence 94.8% #3 of 119
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (8) | 91.3% (23) |
| Declarer play | 75.0% (8) | 78.6% (14) |
| Defence | 95.0% (20) | 94.7% (38) |
Opening leads by suit led: ♠ 91.7% (12) · ♥ 83.3% (6) · ♦ 90.0% (10) · ♣ 66.7% (3)
vs par by strain: NT +1.67 (36) · a suit +1.09 (64)
vs par by level: part-score +1.68 (40) · game +1.49 (55) · slam -3.80 (5)
By role: declaring +1.59/bd (-1.38 vs par · 42) · defending +1.31/bd (+3.24 vs par · 58)
By vulnerability: vulnerable +1.69/bd (+1.20 vs par · 51) · not vulnerable +1.16/bd (+1.41 vs par · 49)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | X.Feng | K.Teltscher – L.Godfrey | Open | 10 | +18.4 | +1.84 | +1.90 |
| Round 2 | X.Feng | S.Rimstedt – E.Sjoberg | Open | 10 | +16.1 | +1.61 | +2.90 |
| Round 3 | X.Feng | I.Grumm – S.Terraneo | Closed | 10 | +4.6 | +0.46 | +2.40 |
| Round 4 | X.Feng | I.Saccavini – S.Paoluzi | Open | 10 | +17.7 | +1.77 | +2.40 |
| Round 5 | X.Feng | B.Hackett – A.Della Monta | Closed | 10 | +13.0 | +1.30 | +2.10 |
| Round 6 | X.Feng | C.Arnolds – W.Zwol | Closed | 10 | -0.2 | -0.02 | -1.00 |
| Round 7 | X.Feng | N.Sver – L.Ruso | Closed | 10 | +10.9 | +1.09 | -0.20 |
| Round 8 | X.Feng | S.Brock – N.Smith | Closed | 10 | +9.3 | +0.93 | +0.90 |
| Round 9 | X.Feng | V.Gromova – T.Ponomareva | Closed | 10 | +45.1 | +4.51 | +5.00 |
| Round 10 | X.Feng | K.Dufrat – J.Taczewska | Closed | 10 | +7.8 | +0.78 | -3.40 |
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 |
|---|---|---|---|---|---|---|---|
| +9.5 | Round 4 | ITALIA 1 | 4 | 3NT | ♠5 | -1 | +12 |
| +9.1 | Round 9 | USRUFRA | 22 | 4♥ | ♠6 | +2 | +11 |
| +8.8 | Round 2 | SWEDEN | 18 | 3NT | ♠10 | +3 | +13 |
| +8.1 | Round 8 | BAKER | 13 | 4♠ | ♦K | = | +3 |
| +8.0 | Round 9 | USRUFRA | 29 | 2♣ | ♦5 | -3 | +10 |
| +7.9 | Round 1 | TELTSCHER | 7 | 5♥ | ♠9 | -2 | +8 |
| +7.6 | Round 5 | BALT | 13 | 2NT | ♠K | +2 | +10 |
| +7.5 | Round 4 | ITALIA 1 | 8 | 3NT | ♠10 | = | +7 |
| +7.5 | Round 9 | USRUFRA | 30 | 4♠x | ♠K | -2 | +9 |
| +7.1 | Round 9 | USRUFRA | 23 | 3NT | ♠Q | +2 | +1 |
| +7.0 | Round 10 | POLAND | 10 | 4♥ | ♥5 | -2 | +2 |
| +5.7 | Round 4 | ITALIA 1 | 10 | 4♥ | ♦3 | -1 | +6 |
| +5.7 | Round 6 | DUTCH WOMEN | 28 | 6♠ | ♥K | +1 | -11 |
| +5.4 | Round 7 | CROATIA | 6 | 3NT | ♦Q | +1 | +0 |
| +5.4 | Round 10 | POLAND | 4 | 5♦ | ♥5 | = | +0 |
| +5.3 | Round 9 | USRUFRA | 27 | 6♦ | ♣A | = | +3 |
| +5.2 | Round 1 | TELTSCHER | 1 | 3NT | ♥K | = | +0 |
| +5.1 | Round 5 | BALT | 12 | 3NT | ♣K | -2 | +12 |
| +5.0 | Round 3 | AUSTRIA | 26 | 2NT | ♥7 | -1 | +12 |
| +5.0 | Round 5 | BALT | 19 | 4♥ | ♣Q | -1 | +13 |
| +4.9 | Round 9 | USRUFRA | 26 | 4♦ | ♥K | +1 | +8 |
| +4.5 | Round 1 | TELTSCHER | 3 | 3NT | ♦10 | -1 | +5 |
| +4.4 | Round 7 | CROATIA | 7 | 3♠ | ♦A | -1 | +6 |
| +4.3 | Round 10 | POLAND | 3 | 5♦ | ♠3 | = | -11 |
| +4.2 | Round 4 | ITALIA 1 | 5 | 6♥ | ♠7 | = | +0 |
| +4.1 | Round 2 | SWEDEN | 15 | 2NT | ♣3 | -1 | +5 |
| +4.1 | Round 4 | ITALIA 1 | 6 | 1NT | ♦10 | = | +5 |
| +4.0 | Round 7 | CROATIA | 8 | 2NT | ♠4 | -2 | +6 |
| +3.9 | Round 5 | BALT | 16 | 3♥ | ♠A | = | +7 |
| +3.8 | Round 2 | SWEDEN | 13 | 4♣ | ♣4 | -3 | +9 |
| +3.3 | Round 1 | TELTSCHER | 5 | 2♠ | ♦2 | = | +1 |
| +3.0 | Round 7 | CROATIA | 10 | 3NT | ♣2 | +2 | -13 |
| +2.9 | Round 9 | USRUFRA | 28 | 3♠ | ♦10 | -1 | +5 |
| +2.7 | Round 3 | AUSTRIA | 28 | 5♦ | ♥9 | -1 | +6 |
| +2.7 | Round 8 | BAKER | 15 | 2♠ | ♠2 | -2 | -6 |
| +2.6 | Round 1 | TELTSCHER | 9 | 3♠x | ♥6 | -2 | -7 |
| +2.5 | Round 1 | TELTSCHER | 2 | 4♠ | ♥5 | +1 | +16 |
| +2.5 | Round 7 | CROATIA | 1 | 3NT | ♠4 | -2 | +5 |
| +2.3 | Round 2 | SWEDEN | 17 | 3NT | ♠2 | = | +6 |
| +2.2 | Round 6 | DUTCH WOMEN | 25 | 3♠ | ♦K | = | +0 |
| +1.9 | Round 3 | AUSTRIA | 27 | 5♣ | ♠3 | -1 | +10 |
| +1.9 | Round 10 | POLAND | 6 | 1♠ | ♠A | +2 | +1 |
| +1.6 | Round 3 | AUSTRIA | 24 | 2♠ | ♦Q | +1 | +1 |
| +1.6 | Round 5 | BALT | 11 | 2NT | ♣Q | +1 | +1 |
| +1.5 | Round 2 | SWEDEN | 14 | 3NT | ♠A | +2 | +1 |
| +1.4 | Round 8 | BAKER | 11 | 4♠ | ♦10 | -3 | +7 |
| +1.3 | Round 8 | BAKER | 17 | 3♠ | ♠3 | -1 | +6 |
| +1.2 | Round 5 | BALT | 20 | 6♣ | ♠4 | +1 | -13 |
| +1.2 | Round 10 | POLAND | 2 | 5♦ | ♣A | = | -11 |
| +1.1 | Round 6 | DUTCH WOMEN | 21 | 1♠ | ♦3 | +1 | +0 |
| +1.1 | Round 6 | DUTCH WOMEN | 29 | 2♣ | ♠3 | +2 | +11 |
| +1.1 | Round 9 | USRUFRA | 25 | 3♥ | ♣K | = | +0 |
| +1.0 | Round 7 | CROATIA | 2 | 2♣ | ♥10 | = | +0 |
| +1.0 | Round 9 | USRUFRA | 24 | 3NT | ♦K | -1 | +4 |
| +0.9 | Round 8 | BAKER | 12 | 3NT | ♥4 | +1 | +0 |
| +0.8 | Round 5 | BALT | 17 | 3♦ | ♥2 | -2 | +1 |
| +0.8 | Round 6 | DUTCH WOMEN | 26 | 1NT | ♦3 | = | -1 |
| +0.8 | Round 8 | BAKER | 14 | 2♥ | ♣J | = | +0 |
| +0.5 | Round 8 | BAKER | 16 | 4♥ | ♠J | = | +0 |
| +0.5 | Round 10 | POLAND | 7 | 3NT | ♠5 | +1 | +1 |
| +0.4 | Round 2 | SWEDEN | 11 | 4♠ | ♥Q | = | +0 |
| +0.3 | Round 1 | TELTSCHER | 8 | 2♥ | ♥2 | = | +5 |
| +0.3 | Round 4 | ITALIA 1 | 1 | 4♠ | ♣K | +1 | +0 |
| +0.3 | Round 8 | BAKER | 18 | 2♥ | ♦6 | +2 | -1 |
| +0.2 | Round 3 | AUSTRIA | 30 | 4♥ | ♦5 | = | +0 |
| -0.0 | Round 4 | ITALIA 1 | 3 | 4♠ | ♠2 | -1 | +5 |
| +0.0 | Round 7 | CROATIA | 9 | 3NT | ♦4 | +1 | +1 |
| -0.1 | Round 3 | AUSTRIA | 29 | 2♥ | ♠9 | +1 | +0 |
| -0.1 | Round 8 | BAKER | 20 | 4♥ | ♠A | = | +1 |
| -0.2 | Round 6 | DUTCH WOMEN | 30 | 6♦ | ♥A | = | +2 |
| -0.3 | Round 3 | AUSTRIA | 25 | 3NT | ♠5 | +1 | +1 |
| -0.7 | Round 2 | SWEDEN | 12 | 3♣ | ♦Q | = | +1 |
| -0.7 | Round 2 | SWEDEN | 16 | 3NT | ♠10 | +2 | +0 |
| -1.0 | Round 3 | AUSTRIA | 22 | 3NT | ♠7 | +2 | -1 |
| -1.1 | Round 2 | SWEDEN | 19 | 4♠ | ♦3 | -1 | -6 |
| -1.2 | Round 10 | POLAND | 8 | 2♥ | ♠5 | = | +0 |
| -1.3 | Round 1 | TELTSCHER | 10 | 3♣ | ♥K | = | +0 |
| -1.7 | Round 1 | TELTSCHER | 6 | 3♦ | ♥6 | -2 | -9 |
| -1.8 | Round 9 | USRUFRA | 21 | 2♠ | ♣K | +2 | -1 |
| -1.9 | Round 3 | AUSTRIA | 23 | 5♦ | ♥3 | = | +1 |
| -1.9 | Round 4 | ITALIA 1 | 2 | 1NT | ♠K | = | -1 |
| -1.9 | Round 4 | ITALIA 1 | 9 | 4♥ | ♦A | +1 | +0 |
| -1.9 | Round 7 | CROATIA | 5 | 2♠ | ♣A | = | -1 |
| -2.1 | Round 6 | DUTCH WOMEN | 22 | 5♣ | ♥K | -1 | -5 |
| -2.2 | Round 6 | DUTCH WOMEN | 27 | 2♠ | ♦Q | +2 | -1 |
| -2.3 | Round 2 | SWEDEN | 20 | 4♠ | ♦A | +1 | +0 |
| -2.3 | Round 10 | POLAND | 9 | 3NT | ♥9 | +1 | -1 |
| -2.6 | Round 6 | DUTCH WOMEN | 24 | 3NT | ♠6 | +2 | +0 |
| -2.6 | Round 7 | CROATIA | 3 | 4♠ | ♠Q | = | +0 |
| -2.9 | Round 5 | BALT | 15 | 1NT | ♣4 | -1 | -10 |
| -3.3 | Round 10 | POLAND | 1 | 3NT | ♠8 | -2 | -5 |
| -3.5 | Round 3 | AUSTRIA | 21 | 4♥x | ♦A | -1 | -6 |
| -3.6 | Round 5 | BALT | 14 | 3NT | ♠4 | = | +11 |
| -4.0 | Round 6 | DUTCH WOMEN | 23 | 3NT | ♥6 | -3 | -5 |
| -4.9 | Round 1 | TELTSCHER | 4 | 3♥ | ♦Q | = | +0 |
| -4.9 | Round 7 | CROATIA | 4 | 3♦ | ♠J | = | -6 |
| -5.7 | Round 5 | BALT | 18 | 3NT | ♥6 | -2 | -11 |
| -5.7 | Round 10 | POLAND | 5 | 4♥ | ♥6 | -1 | -10 |
| -6.6 | Round 8 | BAKER | 19 | 3NT | ♠8 | +2 | -1 |
| -9.8 | Round 4 | ITALIA 1 | 7 | 3NT | ♠Q | = | -10 |