CHEN Zhi Hao · LUCKY SEVEN
vs par split: bidding +2.00 · play +1.00
Strength of schedule: opponents averaged +0.20/bd (a tough draw) → opponent-adjusted +1.98/bd
Card play — on target: opening leads 76.9% #301 of 579 · declarer play 77.8% #214 of 579 · defence 84.2% #376 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 80.0% (5) | 75.0% (8) |
| Declarer play | 50.0% (2) | 85.7% (7) |
| Defence | 80.0% (10) | 88.9% (9) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 0.0% (2) · ♦ 100.0% (6) · ♣ 100.0% (3)
vs par by strain: NT +7.15 (13) · a suit +0.55 (22)
vs par by level: part-score +0.53 (15) · game +5.59 (17) · slam +0.67 (3)
By role: declaring +2.11/bd (-1.19 vs par · 16) · defending +1.52/bd (+6.53 vs par · 19)
By vulnerability: vulnerable +2.65/bd (+3.53 vs par · 17) · not vulnerable +0.97/bd (+2.50 vs par · 18)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Y.Chen | J.Shang – L.Peng | Closed | 7 | +15.3 | +2.19 | +0.57 |
| Round 2 | Y.Chen | K.Furuta – H.Kaku | Closed | 7 | +3.7 | +0.53 | -1.57 |
| Round 3 | Y.Chen | C.Teodorescu – M.Briciu | Closed | 7 | +15.2 | +2.17 | +4.14 |
| Round 4 | Y.Chen | S.Liu – G.Zhang | Closed | 7 | +22.5 | +3.21 | +7.29 |
| Round 6 | Y.Chen | S.Sunderram – P.Sridharan | Closed | 7 | +5.8 | +0.83 | +4.57 |
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 |
|---|---|---|---|---|---|---|---|
| +13.2 | Round 1 | SHANDONG CONTRACT BRIDGE ASSOC | 3 | 2♠x | ♣7 | = | +13 |
| +12.7 | Round 3 | ROMANIA | 15 | 3NTx | ♠4 | -4 | +12 |
| +12.2 | Round 4 | SHAOGUAN BRIDGE ASOCIATION | 26 | 3NT | ♣Q | -3 | +17 |
| +9.6 | Round 1 | SHANDONG CONTRACT BRIDGE ASSOC | 2 | 3NT | ♠Q | = | +7 |
| +5.6 | Round 2 | JAPAN | 11 | 5♦x | ♥K | +2 | -5 |
| +5.4 | Round 6 | TEXAN ACES | 10 | 4♠x | ♦A | -1 | +8 |
| +5.0 | Round 3 | ROMANIA | 16 | 6♦ | ♥6 | = | -2 |
| +5.0 | Round 6 | TEXAN ACES | 12 | 3NT | ♣2 | -2 | +11 |
| +4.8 | Round 4 | SHAOGUAN BRIDGE ASOCIATION | 28 | 2♥ | ♣Q | -3 | +1 |
| +3.1 | Round 2 | JAPAN | 9 | 5♣ | ♦K | = | +0 |
| +2.9 | Round 3 | ROMANIA | 21 | 6♣ | ♥J | = | -13 |
| +2.8 | Round 4 | SHAOGUAN BRIDGE ASOCIATION | 27 | 2♠ | ♦A | +1 | +6 |
| +2.6 | Round 1 | SHANDONG CONTRACT BRIDGE ASSOC | 4 | 1NT | ♣2 | -1 | -1 |
| +2.4 | Round 2 | JAPAN | 14 | 2♠ | ♣10 | = | +0 |
| +2.1 | Round 6 | TEXAN ACES | 11 | 4♣ | ♦8 | = | +0 |
| +2.0 | Round 4 | SHAOGUAN BRIDGE ASOCIATION | 23 | 6♣ | ♦10 | -1 | +17 |
| +0.7 | Round 3 | ROMANIA | 18 | 2♥ | ♣A | = | +0 |
| +0.7 | Round 4 | SHAOGUAN BRIDGE ASOCIATION | 24 | 3NT | ♠Q | = | -2 |
| +0.6 | Round 3 | ROMANIA | 17 | 2♠ | ♦9 | -1 | +3 |
| +0.4 | Round 6 | TEXAN ACES | 14 | 5♠x | ♦A | -2 | +0 |
| +0.3 | Round 1 | SHANDONG CONTRACT BRIDGE ASSOC | 1 | 2♦ | ♠A | -2 | +5 |
| +0.2 | Round 2 | JAPAN | 13 | 4♥ | ♥4 | = | -1 |
| +0.0 | Round 4 | SHAOGUAN BRIDGE ASOCIATION | 22 | 3♥ | ♦A | = | +0 |
| +0.0 | Round 4 | SHAOGUAN BRIDGE ASOCIATION | 25 | 3NT | ♣4 | +2 | +12 |
| -0.2 | Round 1 | SHANDONG CONTRACT BRIDGE ASSOC | 6 | 3♣ | ♦Q | +1 | -6 |
| -0.9 | Round 6 | TEXAN ACES | 13 | 3♠ | ♥A | = | +0 |
| -1.1 | Round 2 | JAPAN | 12 | 2♦ | ♥8 | +1 | +1 |
| -2.2 | Round 2 | JAPAN | 8 | 4♥ | ♠J | -2 | -5 |
| -2.5 | Round 6 | TEXAN ACES | 8 | 3NT | ♦J | = | +1 |
| -2.9 | Round 3 | ROMANIA | 19 | 3NT | ♦5 | +2 | +17 |
| -3.7 | Round 6 | TEXAN ACES | 9 | 3NT | ♣6 | +4 | +12 |
| -3.8 | Round 3 | ROMANIA | 20 | 3NT | ♠10 | +2 | +12 |
| -3.9 | Round 1 | SHANDONG CONTRACT BRIDGE ASSOC | 5 | 1NTx | ♠5 | -2 | -4 |
| -4.3 | Round 2 | JAPAN | 10 | 3NT | ♥2 | +2 | -1 |
| -6.3 | Round 1 | SHANDONG CONTRACT BRIDGE ASSOC | 7 | 4♣ | ♦Q | +1 | -10 |