LIU Song · SHAOGUAN BRIDGE ASOCIATION
vs par split: bidding -0.54 · play +0.21
Strength of schedule: opponents averaged +0.12/bd (a tough draw) → opponent-adjusted -0.06/bd
Card play — on target: opening leads 60.0% #276 of 310 · declarer play 82.4% #111 of 310 · defence 90.9% #77 of 311
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 54.5% (11) |
| Declarer play | 100.0% (4) | 76.9% (13) |
| Defence | 85.7% (7) | 93.3% (15) |
Opening leads by suit led: ♠ 50.0% (4) · ♥ 66.7% (3) · ♦ 60.0% (5) · ♣ 66.7% (3)
vs par by strain: NT +0.87 (15) · a suit -0.76 (41)
vs par by level: part-score -0.15 (26) · game +0.54 (26) · slam -7.00 (4)
By role: declaring -0.63/bd (-2.27 vs par · 34) · defending +0.51/bd (+2.68 vs par · 22)
By vulnerability: vulnerable -0.94/bd (-1.93 vs par · 28) · not vulnerable +0.58/bd (+1.29 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | G.Zhang | T.Sadek – K.Nabil | Open | 7 | +5.7 | +0.81 | +0.57 |
| Round 2 | G.Zhang | M.Prescott – A.Wilsmore | Closed | 7 | -14.9 | -2.13 | -4.71 |
| Round 3 | G.Zhang | D.Tong – P.Li | Closed | 7 | +4.6 | +0.66 | +1.29 |
| Round 4 | G.Zhang | A.Meyerson – H.Liu | Closed | 7 | +17.1 | +2.44 | +4.43 |
| Round 5 | G.Zhang | J.Carroll – T.Hanlon | Open | 7 | +0.7 | +0.10 | -1.29 |
| Round 6 | D.Hua | F.Yu – N.Liu | Open | 7 | +1.2 | +0.17 | +0.86 |
| Round 7 | G.Zhang | A.Smirnov – J.Piekarek | Closed | 7 | -18.6 | -2.66 | -2.86 |
| Round 8 | D.Hua | C.Lin – C.Chen | Open | 7 | -5.9 | -0.84 | -0.86 |
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 |
|---|---|---|---|---|---|---|---|
| +11.3 | Round 3 | KUNMING LIJIAN | 16 | 2♠x | ♣7 | -3 | +9 |
| +7.1 | Round 6 | CHINA FINANCE BRIDGE ASSOCIATI | 9 | 5♣ | ♥9 | = | +11 |
| +6.8 | Round 3 | KUNMING LIJIAN | 17 | 3NT | ♦J | +1 | +4 |
| +6.3 | Round 4 | TEXAN ACES | 28 | 3NT | ♣4 | +1 | +4 |
| +5.1 | Round 2 | LORENTZ | 10 | 4♥ | ♠K | = | +3 |
| +4.9 | Round 4 | TEXAN ACES | 23 | 3NT | ♦4 | -1 | +6 |
| +4.8 | Round 1 | HUSSEIN | 4 | 1NT | ♣A | = | +12 |
| +4.7 | Round 4 | TEXAN ACES | 22 | 2♥ | ♦3 | +1 | +10 |
| +3.7 | Round 8 | YEH BROS TWO | 24 | 4♠ | ♦6 | -2 | +6 |
| +3.3 | Round 7 | LITTLE MECK | 20 | 2♠ | ♥7 | -1 | +5 |
| +3.1 | Round 1 | HUSSEIN | 1 | 3NT | ♦9 | +1 | +0 |
| +3.1 | Round 5 | ROSENTHAL | 7 | 6♥ | ♠A | = | +0 |
| +2.7 | Round 1 | HUSSEIN | 3 | 3♥ | ♦K | = | +0 |
| +2.3 | Round 4 | TEXAN ACES | 26 | 1NT | ♠7 | +2 | +1 |
| +2.3 | Round 5 | ROSENTHAL | 5 | 4♠ | ♠2 | -1 | +10 |
| +2.3 | Round 6 | CHINA FINANCE BRIDGE ASSOCIATI | 11 | 3NT | ♥5 | -1 | +4 |
| +2.3 | Round 8 | YEH BROS TWO | 25 | 1♠ | ♦3 | -2 | +2 |
| +2.0 | Round 5 | ROSENTHAL | 6 | 6♠ | ♦3 | +1 | -11 |
| +1.8 | Round 8 | YEH BROS TWO | 28 | 4♠ | ♣7 | +1 | +4 |
| +1.3 | Round 3 | KUNMING LIJIAN | 20 | 1NT | ♥Q | +2 | -1 |
| +1.0 | Round 1 | HUSSEIN | 5 | 2♥ | ♠K | +1 | +0 |
| +1.0 | Round 5 | ROSENTHAL | 1 | 4♥ | ♣A | +1 | +0 |
| +0.9 | Round 2 | LORENTZ | 8 | 1NT | ♠2 | +1 | +0 |
| +0.9 | Round 4 | TEXAN ACES | 27 | 4♠ | ♦4 | = | +11 |
| +0.8 | Round 1 | HUSSEIN | 2 | 2♥ | ♥3 | +3 | +10 |
| +0.7 | Round 7 | LITTLE MECK | 17 | 4♥ | ♠6 | -2 | +7 |
| +0.6 | Round 7 | LITTLE MECK | 19 | 2♠ | ♦10 | -1 | +2 |
| +0.2 | Round 6 | CHINA FINANCE BRIDGE ASSOCIATI | 12 | 4♥ | ♠8 | +1 | +0 |
| +0.1 | Round 4 | TEXAN ACES | 25 | 3NT | ♠Q | = | +0 |
| -0.1 | Round 6 | CHINA FINANCE BRIDGE ASSOCIATI | 14 | 2♠ | ♠3 | +2 | -2 |
| -1.3 | Round 3 | KUNMING LIJIAN | 15 | 4♥ | ♠10 | +3 | +10 |
| -1.5 | Round 2 | LORENTZ | 9 | 2♠ | ♣J | +2 | -1 |
| -1.5 | Round 6 | CHINA FINANCE BRIDGE ASSOCIATI | 8 | 4♠ | ♦K | -2 | +0 |
| -1.7 | Round 1 | HUSSEIN | 6 | 1NT | ♥3 | +1 | -10 |
| -2.0 | Round 8 | YEH BROS TWO | 23 | 2♣ | ♥8 | +1 | +0 |
| -2.1 | Round 4 | TEXAN ACES | 24 | 1NT | ♥4 | +1 | -1 |
| -2.1 | Round 5 | ROSENTHAL | 4 | 4♠ | ♦K | -1 | -6 |
| -2.3 | Round 5 | ROSENTHAL | 3 | 3NT | ♦J | = | +0 |
| -2.6 | Round 7 | LITTLE MECK | 21 | 6NT | ♥9 | = | +0 |
| -2.7 | Round 6 | CHINA FINANCE BRIDGE ASSOCIATI | 13 | 1♠ | ♦Q | +2 | -1 |
| -2.7 | Round 7 | LITTLE MECK | 15 | 4♠ | ♦2 | -1 | -12 |
| -3.1 | Round 2 | LORENTZ | 14 | 4♠ | ♣3 | -2 | -5 |
| -3.3 | Round 5 | ROSENTHAL | 2 | 3♥ | ♥3 | -2 | -2 |
| -3.4 | Round 3 | KUNMING LIJIAN | 19 | 3♠ | ♦Q | +1 | -1 |
| -3.4 | Round 8 | YEH BROS TWO | 26 | 2♦ | ♥6 | +3 | -10 |
| -3.6 | Round 3 | KUNMING LIJIAN | 18 | 3♥ | ♣4 | -1 | +0 |
| -3.7 | Round 8 | YEH BROS TWO | 27 | 2♠ | ♦3 | +2 | -6 |
| -4.1 | Round 6 | CHINA FINANCE BRIDGE ASSOCIATI | 10 | 3NT | ♥Q | -1 | -6 |
| -4.6 | Round 8 | YEH BROS TWO | 22 | 3♦ | ♠J | -4 | -2 |
| -5.0 | Round 1 | HUSSEIN | 7 | 4♠x | ♥A | -1 | -8 |
| -5.2 | Round 2 | LORENTZ | 13 | 4♠ | ♥5 | +2 | -17 |
| -5.2 | Round 7 | LITTLE MECK | 16 | 5♥x | ♦2 | -2 | -5 |
| -5.5 | Round 2 | LORENTZ | 12 | 4♥x | ♦J | -1 | -7 |
| -5.6 | Round 2 | LORENTZ | 11 | 2♥ | ♣3 | +1 | -6 |
| -6.5 | Round 3 | KUNMING LIJIAN | 21 | 2♦ | ♣2 | = | -12 |
| -12.7 | Round 7 | LITTLE MECK | 18 | 6♦ | ♠A | -1 | -17 |