DEL BUONO Nicola · ITALIA
vs par split: bidding +2.86 · play +1.19
Strength of schedule: opponents averaged -0.25/bd (an easy draw) → opponent-adjusted +1.48/bd
Card play — on target: opening leads 70.0% #419 of 579 · declarer play 84.6% #122 of 579 · defence 94.7% #85 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (4) | 83.3% (6) |
| Declarer play | 50.0% (4) | 100.0% (9) |
| Defence | 100.0% (10) | 88.9% (9) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 50.0% (2) · ♦ 100.0% (1) · ♣ 75.0% (4)
vs par by strain: NT +6.00 (16) · a suit +2.85 (26)
vs par by level: part-score +3.06 (16) · game +3.87 (23) · slam +10.67 (3)
By role: declaring +1.30/bd (+0.48 vs par · 23) · defending +2.25/bd (+8.37 vs par · 19)
By vulnerability: vulnerable +0.85/bd (+3.23 vs par · 22) · not vulnerable +2.69/bd (+4.95 vs par · 20)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | A.Gerli | A.Apteker – C.Gower | Closed | 7 | +3.2 | +0.46 | +2.57 |
| Round 3 | A.Gerli | W.Wang – W.Zhang | Closed | 7 | +2.2 | +0.31 | +1.43 |
| Round 4 | A.Gerli | W.He – Z.Zhang | Open | 7 | +10.5 | +1.50 | +8.14 |
| Round 5 | A.Gerli | V.Muller – M.Villegas | Closed | 7 | +40.3 | +5.76 | +5.00 |
| Round 7 | A.Gerli | X.Wu – Y.Liu | Open | 7 | +5.0 | +0.71 | +1.71 |
| Round 8 | A.Gerli | Z.Qi – J.Zhang | Closed | 7 | +11.5 | +1.64 | +5.43 |
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 5 | VIRGINIA | 6 | 3NT | ♠8 | +4 | +17 |
| +11.3 | Round 4 | ZHONGSHAN JIEGAO | 28 | 3NT | ♠2 | = | +10 |
| +9.9 | Round 3 | SUZHOUTAIHU | 19 | 6♣ | ♠8 | -1 | +20 |
| +9.6 | Round 5 | VIRGINIA | 3 | 3NT | ♠J | = | +6 |
| +9.2 | Round 1 | SOUTH AFRICA | 7 | 3♠ | ♦A | -1 | +12 |
| +9.2 | Round 5 | VIRGINIA | 1 | 3NT | ♥9 | -2 | +11 |
| +8.1 | Round 4 | ZHONGSHAN JIEGAO | 27 | 3♠ | ♥2 | -2 | +11 |
| +7.6 | Round 8 | DARUI INDUSTRY | 22 | 6NT | ♥9 | -3 | +14 |
| +5.5 | Round 5 | VIRGINIA | 4 | 3NT | ♣6 | = | -1 |
| +5.0 | Round 3 | SUZHOUTAIHU | 16 | 6♦ | ♥2 | = | -2 |
| +3.7 | Round 7 | CHONGQINGBANNAN | 15 | 3♥ | ♠K | -1 | +13 |
| +3.5 | Round 8 | DARUI INDUSTRY | 28 | 4♥ | ♣6 | -2 | +11 |
| +3.2 | Round 8 | DARUI INDUSTRY | 27 | 3♠ | ♥A | = | +6 |
| +3.1 | Round 7 | CHONGQINGBANNAN | 18 | 3NT | ♥5 | -2 | +6 |
| +2.4 | Round 1 | SOUTH AFRICA | 4 | 2♠ | ♥K | = | +6 |
| +2.0 | Round 5 | VIRGINIA | 7 | 4♠ | ♣A | +1 | +1 |
| +2.0 | Round 7 | CHONGQINGBANNAN | 21 | 4♠ | ♣2 | -1 | +5 |
| +1.2 | Round 8 | DARUI INDUSTRY | 24 | 4♠x | ♦A | -2 | +4 |
| +1.1 | Round 7 | CHONGQINGBANNAN | 17 | 2♠ | ♥2 | +3 | +2 |
| +0.8 | Round 1 | SOUTH AFRICA | 3 | 3♠ | ♣9 | -2 | +2 |
| +0.7 | Round 3 | SUZHOUTAIHU | 18 | 2♥ | ♣A | = | +0 |
| +0.7 | Round 4 | ZHONGSHAN JIEGAO | 24 | 3NT | ♠5 | = | -2 |
| +0.6 | Round 3 | SUZHOUTAIHU | 17 | 2♠ | ♦8 | -1 | +3 |
| +0.4 | Round 5 | VIRGINIA | 2 | 2♥ | ♣2 | = | +1 |
| +0.4 | Round 5 | VIRGINIA | 5 | 1♥ | ♣K | +2 | +0 |
| +0.4 | Round 7 | CHONGQINGBANNAN | 19 | 3♦ | ♠A | = | -1 |
| +0.3 | Round 7 | CHONGQINGBANNAN | 20 | 4♥ | ♠J | +2 | -13 |
| +0.1 | Round 1 | SOUTH AFRICA | 2 | 3NT | ♥6 | -1 | +5 |
| +0.1 | Round 4 | ZHONGSHAN JIEGAO | 26 | 5♦ | ♣Q | +1 | +13 |
| +0.0 | Round 4 | ZHONGSHAN JIEGAO | 22 | 2♥ | ♦A | +1 | +0 |
| +0.0 | Round 4 | ZHONGSHAN JIEGAO | 25 | 3NT | ♣2 | +2 | +12 |
| +0.0 | Round 8 | DARUI INDUSTRY | 23 | 2♠ | ♦10 | = | +0 |
| -0.2 | Round 1 | SOUTH AFRICA | 5 | 1♠ | ♥2 | +2 | +0 |
| -2.0 | Round 8 | DARUI INDUSTRY | 25 | 4♠x | ♦A | -3 | +3 |
| -2.0 | Round 8 | DARUI INDUSTRY | 26 | 3NT | ♠2 | = | +0 |
| -3.0 | Round 3 | SUZHOUTAIHU | 20 | 3NT | ♠2 | +1 | +12 |
| -4.1 | Round 1 | SOUTH AFRICA | 6 | 3NT | ♦Q | -1 | +2 |
| -4.1 | Round 3 | SUZHOUTAIHU | 15 | 3♥ | ♠4 | = | -6 |
| -5.0 | Round 1 | SOUTH AFRICA | 1 | 3NTx | ♠J | -2 | -9 |
| -5.6 | Round 7 | CHONGQINGBANNAN | 16 | 3NT | ♣K | = | +0 |
| -6.9 | Round 3 | SUZHOUTAIHU | 21 | 4♠ | ♦K | +3 | -17 |
| -9.7 | Round 4 | ZHONGSHAN JIEGAO | 23 | 4NT | ♦10 | +1 | +13 |