CHEN Quan · CARROTS
vs par split: bidding +1.33 · play -0.57
Strength of schedule: opponents averaged -0.02/bd (an average draw) → opponent-adjusted -0.18/bd
Card play — on target: opening leads 88.9% #31 of 89 · declarer play 57.1% #81 of 89 · defence 70.6% #73 of 89
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (1) | 87.5% (8) |
| Declarer play | 100.0% (1) | 50.0% (6) |
| Defence | 40.0% (5) | 83.3% (12) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 66.7% (3) · ♦ 100.0% (2) · ♣ 100.0% (2)
vs par by strain: NT +1.71 (7) · a suit +0.48 (23)
vs par by level: part-score -0.60 (10) · game +1.53 (19) · slam +0.00 (1)
By role: declaring -0.48/bd (-1.69 vs par · 13) · defending +0.09/bd (+2.65 vs par · 17)
By vulnerability: vulnerable +0.84/bd (+0.57 vs par · 14) · not vulnerable -1.02/bd (+0.94 vs par · 16)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | B.Ge | I.La Chapelle – H.Rose | Closed | 6 | +13.7 | +2.28 | +1.33 |
| Round 2 | O.Schireson | V.Chan – C.Chan | Closed | 6 | -2.0 | -0.33 | -1.17 |
| Round 3 | C.He | N.Heiberg-Evenstad – L.Rombaut | Closed | 6 | -27.6 | -4.60 | -0.50 |
| Round 4 | Z.Cheng | D.Kapiris – P.Skordas | Open | 6 | +13.4 | +2.23 | -0.33 |
| Round 5 | Z.Cheng | M.Kemeny – Z.Argay | Closed | 6 | -2.2 | -0.37 | +4.50 |
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 |
|---|---|---|---|---|---|---|---|
| +12.9 | Round 4 | FOTINAKIS | 24 | 5♣x | ♥5 | -4 | +12 |
| +10.1 | Round 5 | HUNGARY U21 | 26 | 5♣x | ♠K | -2 | +15 |
| +8.8 | Round 1 | ENGLAND U21 | 3 | 5♣x | ♦K | -3 | +8 |
| +5.4 | Round 1 | ENGLAND U21 | 6 | 3NT | ♣Q | -1 | +10 |
| +5.1 | Round 2 | ECUADOR GIRLS | 11 | 3NT | ♠A | -1 | +5 |
| +4.7 | Round 4 | FOTINAKIS | 19 | 5♦x | ♥8 | = | +4 |
| +4.1 | Round 2 | ECUADOR GIRLS | 9 | 5♥ | ♠A | -2 | +6 |
| +1.9 | Round 2 | ECUADOR GIRLS | 12 | 3♥ | ♦7 | = | +6 |
| +1.5 | Round 1 | ENGLAND U21 | 5 | 3♠ | ♥8 | -1 | -1 |
| +0.9 | Round 3 | DADDY LAHRMANN | 16 | 3NT | ♠2 | +2 | +0 |
| +0.9 | Round 4 | FOTINAKIS | 21 | 3♠ | ♠2 | = | -8 |
| +0.8 | Round 4 | FOTINAKIS | 20 | 4♥ | ♣Q | +1 | +0 |
| +0.5 | Round 1 | ENGLAND U21 | 2 | 2♥ | ♠Q | +4 | +3 |
| +0.4 | Round 4 | FOTINAKIS | 23 | 1NT | ♦8 | = | +0 |
| -0.4 | Round 3 | DADDY LAHRMANN | 13 | 4♥ | ♠Q | = | +0 |
| -1.1 | Round 1 | ENGLAND U21 | 4 | 3♥ | ♦K | +1 | -7 |
| -1.1 | Round 5 | HUNGARY U21 | 30 | 2♥ | ♥3 | +1 | +7 |
| -1.4 | Round 1 | ENGLAND U21 | 1 | 5♦ | ♠K | -1 | -5 |
| -1.9 | Round 2 | ECUADOR GIRLS | 8 | 4♥ | ♦K | = | +0 |
| -1.9 | Round 2 | ECUADOR GIRLS | 10 | 4♠ | ♦7 | -1 | -12 |
| -2.1 | Round 5 | HUNGARY U21 | 27 | 3NT | ♥3 | +3 | -1 |
| -2.1 | Round 5 | HUNGARY U21 | 28 | 1NT | ♠3 | +3 | -2 |
| -2.3 | Round 5 | HUNGARY U21 | 29 | 3♣ | ♥Q | = | -1 |
| -3.6 | Round 3 | DADDY LAHRMANN | 17 | 4♠ | ♣2 | = | +0 |
| -4.7 | Round 5 | HUNGARY U21 | 25 | 5♣x | ♥J | = | +9 |
| -5.6 | Round 3 | DADDY LAHRMANN | 14 | 3♠x | ♥5 | -3 | -3 |
| -6.3 | Round 4 | FOTINAKIS | 22 | 4♥ | ♦5 | = | -10 |
| -7.7 | Round 3 | DADDY LAHRMANN | 15 | 3NT | ♣Q | +1 | +0 |
| -9.3 | Round 2 | ECUADOR GIRLS | 7 | 4♠ | ♣A | -1 | -12 |
| -11.2 | Round 3 | DADDY LAHRMANN | 18 | 6♦ | ♠2 | = | +0 |