LIU Yi Qian · SAIC RED
vs par split: bidding -0.32 · play -0.17
Strength of schedule: opponents averaged +0.55/bd (a tough draw) → opponent-adjusted -0.06/bd
Card play — on target: opening leads 86.7% #51 of 384 · declarer play 61.5% #327 of 384 · defence 80.6% #249 of 384
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 84.6% (13) |
| Declarer play | 100.0% (2) | 54.5% (11) |
| Defence | 83.3% (6) | 80.0% (25) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 83.3% (6) · ♦ 100.0% (5) · ♣ 0.0% (1)
vs par by strain: NT +0.33 (12) · a suit -0.69 (48)
vs par by level: part-score -1.72 (18) · game -1.65 (34) · slam +7.25 (8)
By role: declaring -0.59/bd (-3.65 vs par · 29) · defending -0.63/bd (+2.48 vs par · 31)
By vulnerability: vulnerable -1.06/bd (+0.40 vs par · 30) · not vulnerable -0.15/bd (-1.37 vs par · 30)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | Z.Zhuang | Z.Shao – W.Bao | Open | 10 | +7.7 | +0.77 | +2.90 |
| Round 6 | M.Hu | J.Fantun – I.Le Provost | Closed | 10 | +17.2 | +1.72 | +3.80 |
| Round 7 | M.Hu | R.Jagniewski – G.Brewiak | Open | 10 | -13.3 | -1.33 | -1.50 |
| Round 8 | M.Hu | S.Zakrzewski – E.Miszewska | Closed | 10 | +5.5 | +0.55 | +0.10 |
| Round 11 | M.Hu | C.Yeh – Y.Zhang | Open | 10 | -35.8 | -3.58 | -4.80 |
| Round 12 | M.Hu | A.Maas – B.Vriend | Closed | 10 | -17.8 | -1.78 | -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 |
|---|---|---|---|---|---|---|---|
| +10.0 | Round 6 | BERNARD | 21 | 6♦ | ♥9 | -2 | +11 |
| +9.6 | Round 8 | BUSSE | 12 | 3NT | ♥9 | +1 | +1 |
| +8.3 | Round 2 | SAIC BLUE | 19 | 6♣ | ♥A | -1 | +13 |
| +7.1 | Round 2 | SAIC BLUE | 12 | 4♥ | ♠J | = | +0 |
| +7.0 | Round 8 | BUSSE | 14 | 4♥ | ♠8 | +1 | +0 |
| +6.8 | Round 6 | BERNARD | 25 | 7♦ | ♥A | -1 | +12 |
| +4.8 | Round 6 | BERNARD | 23 | 4♥ | ♠J | -2 | +7 |
| +4.8 | Round 8 | BUSSE | 19 | 4♠ | ♣10 | = | +7 |
| +4.6 | Round 2 | SAIC BLUE | 13 | 3♣ | ♠2 | -1 | +5 |
| +2.8 | Round 12 | BIRMAN | 26 | 4♥ | ♦A | -1 | +6 |
| +2.7 | Round 7 | ROSSARD | 8 | 4♠ | ♥A | +1 | -11 |
| +2.4 | Round 11 | YEH BROS | 16 | 4♥ | ♣J | -1 | +12 |
| +2.2 | Round 6 | BERNARD | 30 | 6♥ | ♦J | +1 | +11 |
| +1.8 | Round 12 | BIRMAN | 24 | 2♠ | ♥A | -2 | -1 |
| +1.7 | Round 7 | ROSSARD | 4 | 4♥ | ♠A | -1 | -1 |
| +1.6 | Round 6 | BERNARD | 27 | 2♠x | ♦K | -1 | +0 |
| +1.3 | Round 7 | ROSSARD | 1 | 3♥ | ♠K | = | +1 |
| +1.3 | Round 7 | ROSSARD | 6 | 1NT | ♥5 | -3 | -3 |
| +1.3 | Round 11 | YEH BROS | 19 | 4♠ | ♥Q | = | +0 |
| +1.3 | Round 12 | BIRMAN | 21 | 3NT | ♥A | = | +0 |
| +1.2 | Round 2 | SAIC BLUE | 18 | 3NT | ♦2 | +3 | +14 |
| +1.1 | Round 2 | SAIC BLUE | 11 | 1NT | ♥K | -1 | +3 |
| +0.8 | Round 8 | BUSSE | 15 | 3NT | ♠6 | +1 | +11 |
| +0.6 | Round 12 | BIRMAN | 30 | 4♠ | ♥2 | +1 | +0 |
| +0.5 | Round 6 | BERNARD | 24 | 4♥ | ♦7 | +1 | +0 |
| +0.4 | Round 12 | BIRMAN | 27 | 3♠ | ♥5 | +1 | -7 |
| +0.2 | Round 8 | BUSSE | 11 | 4♥ | ♠J | = | -1 |
| -0.3 | Round 2 | SAIC BLUE | 20 | 3NT | ♣4 | +2 | +0 |
| -0.3 | Round 8 | BUSSE | 13 | 1NT | ♥K | = | -1 |
| -0.3 | Round 8 | BUSSE | 16 | 5♦ | ♣A | = | -2 |
| -0.6 | Round 7 | ROSSARD | 5 | 4♠ | ♣Q | = | +0 |
| -0.7 | Round 2 | SAIC BLUE | 14 | 3♣ | ♥3 | +1 | +0 |
| -0.7 | Round 11 | YEH BROS | 12 | 3♠ | ♥J | = | -1 |
| -1.2 | Round 6 | BERNARD | 22 | 5♣ | ♠8 | = | -9 |
| -1.5 | Round 7 | ROSSARD | 9 | 3♦ | ♠A | = | -6 |
| -2.0 | Round 6 | BERNARD | 26 | 6♥ | ♣K | = | +13 |
| -2.0 | Round 7 | ROSSARD | 7 | 2♥ | ♦6 | +3 | +9 |
| -2.5 | Round 6 | BERNARD | 28 | 3♥ | ♥3 | = | +0 |
| -2.6 | Round 11 | YEH BROS | 14 | 4♥ | ♣K | -1 | -4 |
| -2.6 | Round 12 | BIRMAN | 23 | 2♥ | ♠7 | = | +1 |
| -2.8 | Round 7 | ROSSARD | 3 | 4♣ | ♠K | -1 | -5 |
| -2.8 | Round 11 | YEH BROS | 13 | 4♠ | ♥5 | +1 | -4 |
| -2.8 | Round 12 | BIRMAN | 22 | 4♠ | ♥A | -1 | -3 |
| -2.9 | Round 11 | YEH BROS | 11 | 3NT | ♠10 | -1 | -5 |
| -3.0 | Round 6 | BERNARD | 29 | 5♥ | ♦8 | -1 | -7 |
| -3.2 | Round 2 | SAIC BLUE | 15 | 6♠ | ♦3 | = | +11 |
| -3.7 | Round 12 | BIRMAN | 28 | 2♥ | ♦2 | = | -6 |
| -3.8 | Round 12 | BIRMAN | 29 | 6♠ | ♠7 | +1 | -13 |
| -4.1 | Round 8 | BUSSE | 20 | 1NT | ♥4 | -1 | -6 |
| -4.1 | Round 11 | YEH BROS | 17 | 4♠ | ♥6 | -1 | -10 |
| -4.4 | Round 8 | BUSSE | 18 | 4♠x | ♥A | -1 | -3 |
| -5.0 | Round 2 | SAIC BLUE | 16 | 4♠ | ♥4 | -1 | -10 |
| -5.4 | Round 2 | SAIC BLUE | 17 | 4♠ | ♥6 | -3 | -7 |
| -5.4 | Round 7 | ROSSARD | 2 | 3NT | ♦3 | = | +1 |
| -5.7 | Round 11 | YEH BROS | 15 | 4♠ | ♣K | -1 | -10 |
| -6.5 | Round 11 | YEH BROS | 18 | 4♥ | ♦7 | -1 | -12 |
| -7.8 | Round 8 | BUSSE | 17 | 5♠x | ♦7 | -3 | -5 |
| -8.0 | Round 7 | ROSSARD | 10 | 6♠ | ♥A | = | +0 |
| -11.8 | Round 12 | BIRMAN | 25 | 3NT | ♠5 | +1 | -11 |
| -14.2 | Round 11 | YEH BROS | 20 | 3♠x | ♦K | = | -14 |