DING Yuanzhe · CHINA RDFZ
vs par split: bidding +0.29 · play +0.73
Strength of schedule: opponents averaged -0.22/bd (an easy draw) → opponent-adjusted +0.36/bd
Card play — on target: opening leads 77.3% #59 of 91 · declarer play 61.5% #71 of 91 · defence 74.3% #72 of 91
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (8) | 78.6% (14) |
| Declarer play | 66.7% (3) | 60.0% (10) |
| Defence | 80.0% (10) | 72.0% (25) |
Opening leads by suit led: ♠ 77.8% (9) · ♥ 100.0% (6) · ♦ 50.0% (4) · ♣ 66.7% (3)
vs par by strain: NT +1.90 (19) · a suit +0.64 (44)
vs par by level: part-score +1.83 (18) · game +0.81 (41) · slam -0.50 (4)
By role: declaring +0.98/bd (-0.66 vs par · 29) · defending +0.24/bd (+2.46 vs par · 35)
By vulnerability: vulnerable -0.30/bd (+0.66 vs par · 32) · not vulnerable +1.45/bd (+1.44 vs par · 32)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Z.Cai | A.Pelaggi – M.Pelaggi | Closed | 8 | +3.1 | +0.39 | +3.00 |
| Round 2 | Z.Cai | MENEZES KAMRYN – R.Bhimanaik | Closed | 8 | +21.0 | +2.62 | +4.38 |
| Round 3 | Z.Cai | Z.Yu – J.Tong | Closed | 8 | -1.9 | -0.24 | +2.12 |
| Round 4 | Z.Cai | H.Dong – H.Luba | Closed | 8 | +4.3 | +0.54 | +2.00 |
| Round 5 | Z.Cai | L.Bellicaud – T.Guillemin | Open | 8 | +8.4 | +1.05 | -2.38 |
| Round 6 | Z.Cai | L.Fegarty – J.Fegarty | Open | 8 | +11.7 | +1.46 | +2.88 |
| Round 7 | Z.Cai | K.Takizawa – Y.Inoue | Closed | 8 | -6.5 | -0.81 | -0.62 |
| Round 8 | Z.Cai | J.Yang – H.Dai | Open | 8 | -3.4 | -0.42 | -3.00 |
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 |
|---|---|---|---|---|---|---|---|
| +12.7 | Round 2 | INDIA | 16 | 3NT | ♠6 | = | +14 |
| +11.8 | Round 6 | MAN EATING COBRAS | 11 | 6♥x | ♣J | -3 | +12 |
| +10.2 | Round 4 | THE CANADIANS | 27 | 5♥x | ♦K | -1 | +11 |
| +9.9 | Round 1 | ITALIA 2 | 7 | 4♥ | ♣A | = | +10 |
| +9.7 | Round 5 | FRANCE FUNBRIDGE | 3 | 6NT | ♣J | +1 | -11 |
| +8.5 | Round 2 | INDIA | 13 | 4♣ | ♥J | = | +11 |
| +7.2 | Round 8 | SXNEBULA | 29 | 3♣x | ♠K | -2 | -3 |
| +7.1 | Round 6 | MAN EATING COBRAS | 14 | 4♥ | ♦5 | = | +0 |
| +6.9 | Round 2 | INDIA | 12 | 3NT | ♠2 | -2 | +13 |
| +6.6 | Round 6 | MAN EATING COBRAS | 10 | 3NT | ♥4 | +1 | +11 |
| +6.0 | Round 7 | JAPAN | 24 | 4♥ | ♦K | = | +8 |
| +5.4 | Round 2 | INDIA | 10 | 4♥ | ♣A | -3 | +7 |
| +4.9 | Round 7 | JAPAN | 21 | 3♦ | ♥3 | -1 | +5 |
| +4.6 | Round 3 | SXSPARK | 23 | 2♥ | ♠3 | -2 | +2 |
| +4.4 | Round 1 | ITALIA 2 | 2 | 5♥ | ♣5 | +1 | +11 |
| +3.7 | Round 3 | SXSPARK | 20 | 3NT | ♥J | = | +10 |
| +3.7 | Round 8 | SXNEBULA | 30 | 4♠ | ♦6 | = | +3 |
| +3.7 | Round 8 | SXNEBULA | 32 | 4♥x | ♦A | -1 | +2 |
| +3.5 | Round 5 | FRANCE FUNBRIDGE | 4 | 1NT | ♥3 | = | +5 |
| +3.2 | Round 7 | JAPAN | 19 | 4♥ | ♣A | -2 | +7 |
| +2.9 | Round 1 | ITALIA 2 | 1 | 4♠ | ♥7 | -3 | +2 |
| +2.4 | Round 5 | FRANCE FUNBRIDGE | 6 | 3NT | ♣4 | +2 | -11 |
| +2.1 | Round 1 | ITALIA 2 | 8 | 5♠ | ♥K | -1 | +4 |
| +2.0 | Round 4 | THE CANADIANS | 26 | 2♥ | ♣Q | = | +5 |
| +1.9 | Round 8 | SXNEBULA | 27 | 2♥ | ♦5 | +1 | +0 |
| +1.6 | Round 4 | THE CANADIANS | 31 | 4♥ | ♦Q | = | -1 |
| +1.5 | Round 5 | FRANCE FUNBRIDGE | 8 | 4♥ | ♣10 | = | +8 |
| +1.3 | Round 3 | SXSPARK | 22 | 1NT | ♥2 | -1 | +0 |
| +1.2 | Round 7 | JAPAN | 17 | Pass | +3 | ||
| +1.0 | Round 4 | THE CANADIANS | 28 | 4♥ | ♠9 | -1 | +1 |
| +0.9 | Round 2 | INDIA | 11 | 4♥ | ♣4 | = | +1 |
| +0.8 | Round 6 | MAN EATING COBRAS | 9 | 4♥ | ♠2 | = | +0 |
| +0.7 | Round 5 | FRANCE FUNBRIDGE | 7 | 3NT | ♠6 | -2 | +7 |
| +0.6 | Round 3 | SXSPARK | 17 | 4♥ | ♣K | +1 | +0 |
| -0.2 | Round 1 | ITALIA 2 | 6 | 3♦ | ♣K | +1 | +10 |
| -0.2 | Round 2 | INDIA | 14 | 1NT | ♠10 | -1 | +3 |
| -0.3 | Round 5 | FRANCE FUNBRIDGE | 2 | 3♥ | ♦A | -1 | -2 |
| -0.7 | Round 8 | SXNEBULA | 25 | 5♠ | ♥A | = | +0 |
| -0.8 | Round 5 | FRANCE FUNBRIDGE | 1 | 2♥ | ♦J | +2 | -2 |
| -0.8 | Round 6 | MAN EATING COBRAS | 13 | 4♥ | ♠10 | +1 | +0 |
| -1.1 | Round 4 | THE CANADIANS | 25 | 2♥ | ♠6 | +2 | -1 |
| -1.2 | Round 3 | SXSPARK | 18 | 6NT | ♥10 | = | +11 |
| -2.1 | Round 1 | ITALIA 2 | 3 | 2♥ | ♦A | +1 | +0 |
| -2.1 | Round 4 | THE CANADIANS | 32 | 2NT | ♥6 | = | +9 |
| -2.2 | Round 7 | JAPAN | 22 | 3NT | ♥Q | +3 | -11 |
| -2.3 | Round 2 | INDIA | 15 | 2NT | ♣5 | +1 | -1 |
| -2.4 | Round 6 | MAN EATING COBRAS | 15 | 4♥ | ♦A | +1 | +0 |
| -2.6 | Round 3 | SXSPARK | 24 | 3NT | ♠5 | -2 | -5 |
| -2.9 | Round 6 | MAN EATING COBRAS | 12 | 4♥ | ♠8 | +1 | -1 |
| -3.1 | Round 3 | SXSPARK | 21 | 4♦ | ♦6 | = | +0 |
| -3.3 | Round 8 | SXNEBULA | 26 | 4♠ | ♣Q | = | +0 |
| -3.6 | Round 4 | THE CANADIANS | 30 | 3♦ | ♥9 | +1 | -8 |
| -3.7 | Round 4 | THE CANADIANS | 29 | 3NT | ♥6 | +1 | +0 |
| -4.7 | Round 1 | ITALIA 2 | 4 | 4♠ | ♣2 | +1 | -4 |
| -5.2 | Round 3 | SXSPARK | 19 | 4♠ | ♦3 | +1 | -1 |
| -5.9 | Round 7 | JAPAN | 18 | 5♣x | ♠A | = | -9 |
| -6.6 | Round 7 | JAPAN | 20 | 3NT | ♠J | +2 | +0 |
| -6.6 | Round 8 | SXNEBULA | 28 | 5♦ | ♣A | -2 | -12 |
| -7.1 | Round 7 | JAPAN | 23 | 4♥ | ♠5 | -2 | -8 |
| -8.3 | Round 5 | FRANCE FUNBRIDGE | 5 | 5♠ | ♦2 | = | -13 |
| -8.5 | Round 6 | MAN EATING COBRAS | 16 | 3NT | ♠5 | = | +1 |
| -9.2 | Round 1 | ITALIA 2 | 5 | 3NTx | ♦9 | = | -9 |
| -9.3 | Round 8 | SXNEBULA | 31 | 6♠ | ♥5 | -3 | -14 |
| -10.9 | Round 2 | INDIA | 9 | 4♠ | ♥5 | -1 | -13 |