DAI Jianming · HUANG LONG TEAM
vs par split: bidding -0.45 · play +0.45
Strength of schedule: opponents averaged +0.04/bd (an average draw) → opponent-adjusted +0.18/bd
Card play — on target: opening leads 73.3% #175 of 277 · declarer play 91.7% #29 of 277 · defence 88.5% #77 of 277
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 60.0% (5) | 80.0% (10) |
| Declarer play | · | 91.7% (12) |
| Defence | 87.5% (8) | 88.9% (18) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 75.0% (4) · ♦ 50.0% (6) · ♣ 100.0% (3)
vs par by strain: NT -0.94 (16) · a suit +0.38 (40)
vs par by level: part-score -0.37 (27) · game +0.26 (27) · slam +1.50 (2)
By role: declaring +1.13/bd (-0.70 vs par · 30) · defending -0.99/bd (+0.81 vs par · 26)
By vulnerability: vulnerable +1.30/bd (-0.63 vs par · 27) · not vulnerable -0.94/bd (+0.59 vs par · 29)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | L.Yang | X.Liu – Z.Li | Closed | 7 | +3.6 | +0.51 | +0.43 |
| Round 2 | L.Yang | B.He – X.He | Closed | 7 | -13.0 | -1.86 | -4.14 |
| Round 3 | J.Hu | Y.Liu – Y.Liu | Open | 7 | -10.7 | -1.53 | +0.00 |
| Round 4 | L.Yang | M.Briciu – C.Teodorescu | Closed | 7 | -5.3 | -0.76 | +1.00 |
| Round 5 | L.Yang | J.George – F.Karwur | Closed | 7 | -6.8 | -0.97 | -2.71 |
| Round 6 | L.Yang | J.Alfonsin – M.Villegas | Closed | 7 | +29.7 | +4.24 | +5.43 |
| Round 7 | L.Yang | J.Wang – Y.Liu | Open | 7 | +7.1 | +1.01 | -0.29 |
| Round 8 | L.Yang | A.Zobu – V.Aronov | Closed | 7 | +3.4 | +0.49 | +0.29 |
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 |
|---|---|---|---|---|---|---|---|
| +13.1 | Round 7 | SHANDONG CONTRACT BRIDGE ASSOC | 21 | 7♠x | ♦8 | -1 | +14 |
| +10.2 | Round 6 | VIRGINIA | 10 | 3NT | ♠3 | +1 | +11 |
| +10.1 | Round 8 | AYDIN | 28 | 5♥x | ♠A | -5 | +12 |
| +8.7 | Round 6 | VIRGINIA | 12 | 4♥x | ♠8 | +1 | +8 |
| +8.5 | Round 7 | SHANDONG CONTRACT BRIDGE ASSOC | 15 | 4♠ | ♣5 | = | +0 |
| +8.0 | Round 3 | CHONGQINGBANNAN | 20 | 3NT | ♠9 | +1 | +11 |
| +6.9 | Round 6 | VIRGINIA | 9 | 5♣ | ♥3 | = | +11 |
| +5.2 | Round 1 | GUANGZHOU ZHAOHENG | 7 | 3♥ | ♦3 | = | +7 |
| +4.2 | Round 8 | AYDIN | 26 | 3NT | ♣4 | = | -1 |
| +4.0 | Round 1 | GUANGZHOU ZHAOHENG | 5 | 4♥ | ♠K | -1 | +5 |
| +3.6 | Round 5 | PERTAMINA EP | 5 | 4♠ | ♣4 | -1 | +10 |
| +2.9 | Round 1 | GUANGZHOU ZHAOHENG | 4 | 2♥ | ♥3 | +2 | -10 |
| +2.9 | Round 6 | VIRGINIA | 8 | 2♠ | ♦K | = | +5 |
| +2.4 | Round 2 | TIANJIN COM-JADEITE | 14 | 2♠ | ♦10 | +1 | +1 |
| +2.2 | Round 8 | AYDIN | 27 | 3NT | ♥3 | = | -1 |
| +2.0 | Round 2 | TIANJIN COM-JADEITE | 8 | 1NT | ♠2 | +1 | +0 |
| +2.0 | Round 6 | VIRGINIA | 11 | 4♣ | ♥6 | -1 | +4 |
| +1.2 | Round 8 | AYDIN | 25 | 2♥ | ♥3 | +1 | +0 |
| +1.1 | Round 4 | ROMANIA | 23 | 2♠ | ♣K | +1 | +0 |
| +1.1 | Round 7 | SHANDONG CONTRACT BRIDGE ASSOC | 17 | 4♥ | ♦7 | -2 | +7 |
| +0.8 | Round 4 | ROMANIA | 26 | 1NT | ♠7 | +1 | +0 |
| +0.7 | Round 3 | CHONGQINGBANNAN | 21 | 3♣ | ♥4 | +2 | +10 |
| +0.7 | Round 5 | PERTAMINA EP | 6 | 6NT | ♣3 | = | -11 |
| +0.3 | Round 4 | ROMANIA | 28 | 4♠x | ♦K | -2 | -5 |
| +0.2 | Round 1 | GUANGZHOU ZHAOHENG | 6 | 2NT | ♥A | = | +10 |
| +0.2 | Round 4 | ROMANIA | 25 | 3NT | ♠Q | = | +0 |
| +0.0 | Round 6 | VIRGINIA | 14 | 3♠ | ♦3 | = | -1 |
| -0.1 | Round 5 | PERTAMINA EP | 2 | 3♥ | ♦9 | -1 | +1 |
| -0.1 | Round 7 | SHANDONG CONTRACT BRIDGE ASSOC | 16 | 5♥x | ♦6 | -1 | +0 |
| -0.4 | Round 4 | ROMANIA | 24 | 3♦ | ♣2 | -1 | +2 |
| -0.4 | Round 5 | PERTAMINA EP | 1 | 4♥ | ♣A | = | -1 |
| -0.8 | Round 2 | TIANJIN COM-JADEITE | 9 | 2NT | ♣J | = | +1 |
| -1.0 | Round 6 | VIRGINIA | 13 | 2♠ | ♥J | = | +0 |
| -1.1 | Round 4 | ROMANIA | 27 | 4♠ | ♠2 | +2 | +11 |
| -1.1 | Round 8 | AYDIN | 24 | 2♥x | ♦Q | -1 | +1 |
| -1.6 | Round 3 | CHONGQINGBANNAN | 16 | 3♥ | ♦J | +1 | +6 |
| -1.6 | Round 3 | CHONGQINGBANNAN | 19 | 4♠ | ♦K | = | -6 |
| -1.6 | Round 7 | SHANDONG CONTRACT BRIDGE ASSOC | 20 | 3♣ | ♠A | -1 | +0 |
| -1.8 | Round 5 | PERTAMINA EP | 3 | 3NT | ♦J | = | +0 |
| -2.1 | Round 1 | GUANGZHOU ZHAOHENG | 3 | 3♠ | ♣K | -2 | +1 |
| -2.4 | Round 7 | SHANDONG CONTRACT BRIDGE ASSOC | 18 | 3NT | ♥8 | +4 | -12 |
| -2.5 | Round 1 | GUANGZHOU ZHAOHENG | 1 | 3NT | ♦10 | = | +1 |
| -2.6 | Round 2 | TIANJIN COM-JADEITE | 11 | 3♥ | ♠K | -1 | -2 |
| -2.9 | Round 8 | AYDIN | 22 | 3♥ | ♠J | -2 | +1 |
| -3.0 | Round 2 | TIANJIN COM-JADEITE | 12 | 4♥ | ♥K | -1 | -5 |
| -3.1 | Round 3 | CHONGQINGBANNAN | 18 | 3♥ | ♠J | = | -6 |
| -3.2 | Round 5 | PERTAMINA EP | 4 | 4♠ | ♦K | -1 | -6 |
| -4.1 | Round 1 | GUANGZHOU ZHAOHENG | 2 | 1NTx | ♦6 | -1 | -11 |
| -5.0 | Round 2 | TIANJIN COM-JADEITE | 10 | 3♠x | ♣A | -1 | -7 |
| -5.2 | Round 3 | CHONGQINGBANNAN | 15 | 2♥ | ♠10 | +5 | -12 |
| -5.6 | Round 5 | PERTAMINA EP | 7 | 4♥ | ♣3 | +3 | -12 |
| -6.0 | Round 2 | TIANJIN COM-JADEITE | 13 | 4♠ | ♥3 | +3 | -17 |
| -6.2 | Round 4 | ROMANIA | 22 | 4♥ | ♦4 | = | -1 |
| -7.9 | Round 3 | CHONGQINGBANNAN | 17 | 3NT | ♣Q | = | -3 |
| -10.3 | Round 8 | AYDIN | 23 | 3NT | ♥3 | = | -10 |
| -11.5 | Round 7 | SHANDONG CONTRACT BRIDGE ASSOC | 19 | 2♥x | ♣6 | = | -11 |