LIU Jun · JIANGSU BRIDGE ASSOCIATION
vs par split: bidding +0.64 · play -0.93
Strength of schedule: opponents averaged +0.29/bd (a tough draw) → opponent-adjusted -0.30/bd
Card play — on target: opening leads 81.2% #118 of 310 · declarer play 50.0% #302 of 310 · defence 75.9% #273 of 311
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (6) | 90.0% (10) |
| Declarer play | 50.0% (4) | 50.0% (4) |
| Defence | 72.7% (11) | 77.8% (18) |
Opening leads by suit led: ♠ 75.0% (4) · ♥ 66.7% (3) · ♦ 80.0% (5) · ♣ 100.0% (4)
vs par by strain: NT +1.91 (22) · a suit -1.71 (34)
vs par by level: part-score +0.08 (26) · game -1.07 (27) · slam +3.67 (3)
By role: declaring -0.38/bd (-2.59 vs par · 27) · defending -0.80/bd (+1.86 vs par · 29)
By vulnerability: vulnerable -0.95/bd (-0.21 vs par · 28) · not vulnerable -0.24/bd (-0.36 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | H.Yu | G.Tislevoll – O.Berset | Open | 7 | -4.1 | -0.59 | -1.00 |
| Round 2 | H.Yu | A.Gerli – N.Del Buono | Open | 7 | +6.1 | +0.87 | +3.71 |
| Round 3 | H.Yu | G.Chagas – H.Weinstein | Open | 7 | -10.2 | -1.46 | -1.14 |
| Round 4 | H.Yu | Y.Huang – X.Lou | Open | 7 | +9.9 | +1.41 | -0.29 |
| Round 5 | H.Yu | K.Anklesaria – S.Chokshi | Open | 7 | -11.3 | -1.61 | -0.43 |
| Round 6 | H.Yu | P.Gawrys – M.Klukowski | Open | 7 | +8.1 | +1.16 | +0.57 |
| Round 7 | H.Yu | T.Bessis – C.Lorenzini | Closed | 7 | -13.7 | -1.96 | -1.14 |
| Round 8 | H.Yu | S.De Wijs – B.Muller | Closed | 7 | -18.2 | -2.60 | -2.57 |
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 |
|---|---|---|---|---|---|---|---|
| +8.1 | Round 4 | ZHONGSHAN JIEGAO | 23 | 3NT | ♦5 | = | +10 |
| +5.2 | Round 2 | ITALIA | 13 | 4♠ | ♥2 | +2 | +17 |
| +5.2 | Round 4 | ZHONGSHAN JIEGAO | 22 | 3NT | ♦6 | = | +0 |
| +4.8 | Round 1 | SILVERFOX | 4 | 1NT | ♣A | = | +12 |
| +4.1 | Round 6 | MAZURKIEWICZ | 10 | 3NT | ♥K | -1 | +6 |
| +3.9 | Round 2 | ITALIA | 8 | 1NT | ♦J | -1 | +5 |
| +3.7 | Round 8 | P D TIMES | 27 | 3♠ | ♦Q | +1 | +6 |
| +3.4 | Round 6 | MAZURKIEWICZ | 12 | 5♠x | ♥6 | -3 | +4 |
| +3.2 | Round 6 | MAZURKIEWICZ | 9 | 3NT | ♥7 | -2 | +0 |
| +3.1 | Round 1 | SILVERFOX | 1 | 3NT | ♠Q | +1 | +0 |
| +2.7 | Round 6 | MAZURKIEWICZ | 13 | 1♠ | ♦Q | +2 | +1 |
| +2.7 | Round 7 | ROSENTHAL | 15 | 4♠ | ♥4 | -1 | +12 |
| +2.6 | Round 2 | ITALIA | 10 | 3♠x | ♣A | -1 | +7 |
| +2.6 | Round 7 | ROSENTHAL | 21 | 6♠ | ♥3 | = | +0 |
| +2.5 | Round 7 | ROSENTHAL | 18 | 3NT | ♥2 | +3 | +13 |
| +2.2 | Round 6 | MAZURKIEWICZ | 8 | 4♦ | ♦A | = | +1 |
| +2.1 | Round 4 | ZHONGSHAN JIEGAO | 24 | 1NT | ♦6 | +1 | +1 |
| +2.1 | Round 5 | FORMIDABLES | 4 | 4♠ | ♦K | -1 | +6 |
| +1.7 | Round 1 | SILVERFOX | 2 | 2♥ | ♦Q | +2 | +10 |
| +1.6 | Round 2 | ITALIA | 14 | 3♠ | ♦J | -1 | +4 |
| +1.4 | Round 3 | WEINSTEIN | 16 | 1NT | ♠4 | +1 | +7 |
| +1.4 | Round 5 | FORMIDABLES | 2 | 2♠ | ♥K | +1 | +0 |
| +0.8 | Round 4 | ZHONGSHAN JIEGAO | 27 | 4♠ | ♦4 | +2 | -11 |
| +0.3 | Round 3 | WEINSTEIN | 15 | 4♥ | ♠10 | +2 | -11 |
| +0.2 | Round 2 | ITALIA | 11 | 1NT | ♥2 | = | +0 |
| +0.0 | Round 3 | WEINSTEIN | 21 | 1NT | ♥10 | +3 | +9 |
| -0.1 | Round 4 | ZHONGSHAN JIEGAO | 25 | 3NT | ♦4 | = | +0 |
| -0.5 | Round 4 | ZHONGSHAN JIEGAO | 26 | 1NT | ♠7 | = | +1 |
| -0.7 | Round 7 | ROSENTHAL | 17 | 4♥ | ♦7 | -2 | -7 |
| -0.7 | Round 8 | P D TIMES | 25 | 2♥ | ♠A | +1 | +0 |
| -1.0 | Round 5 | FORMIDABLES | 1 | 4♥ | ♣A | +1 | +0 |
| -1.0 | Round 5 | FORMIDABLES | 6 | 6NT | ♣5 | = | +11 |
| -1.3 | Round 3 | WEINSTEIN | 20 | 1NT | ♥J | +2 | +1 |
| -1.5 | Round 3 | WEINSTEIN | 18 | 3♠ | ♣A | -2 | -5 |
| -1.8 | Round 8 | P D TIMES | 28 | 4♠ | ♠7 | +1 | -4 |
| -2.3 | Round 3 | WEINSTEIN | 19 | 4♠ | ♣K | = | -6 |
| -2.3 | Round 5 | FORMIDABLES | 5 | 4♠ | ♠3 | -1 | -10 |
| -2.3 | Round 6 | MAZURKIEWICZ | 11 | 5♣ | ♥2 | -1 | -4 |
| -2.6 | Round 1 | SILVERFOX | 7 | 4♠ | ♥K | -1 | -6 |
| -2.7 | Round 1 | SILVERFOX | 6 | 1NT | ♥3 | = | -11 |
| -2.7 | Round 8 | P D TIMES | 22 | 2♠ | ♥Q | -1 | -6 |
| -3.0 | Round 2 | ITALIA | 12 | 3♥ | ♦K | = | -1 |
| -3.1 | Round 5 | FORMIDABLES | 7 | 6♥ | ♠A | = | +0 |
| -3.5 | Round 1 | SILVERFOX | 3 | 2♠ | ♣2 | = | -6 |
| -3.6 | Round 7 | ROSENTHAL | 20 | 1♥ | ♣K | +1 | -6 |
| -3.7 | Round 8 | P D TIMES | 24 | 3NT | ♦2 | -2 | -6 |
| -4.4 | Round 2 | ITALIA | 9 | 3NT | ♥2 | -1 | -6 |
| -4.9 | Round 1 | SILVERFOX | 5 | 2♠ | ♥A | = | -6 |
| -5.2 | Round 6 | MAZURKIEWICZ | 14 | 3♠ | ♠6 | -1 | -4 |
| -5.7 | Round 4 | ZHONGSHAN JIEGAO | 28 | 3NT | ♣4 | = | -3 |
| -5.9 | Round 8 | P D TIMES | 26 | 3NT | ♥4 | = | +1 |
| -6.3 | Round 7 | ROSENTHAL | 19 | 2♥x | ♦2 | -1 | -8 |
| -6.8 | Round 3 | WEINSTEIN | 17 | 4♠ | ♦10 | = | -3 |
| -7.1 | Round 8 | P D TIMES | 23 | 3NT | ♠5 | -3 | -9 |
| -7.4 | Round 5 | FORMIDABLES | 3 | 3♠ | ♦J | = | -10 |
| -10.9 | Round 7 | ROSENTHAL | 16 | 4♥x | ♦6 | = | -12 |