LU Dong · LU DONG
vs par split: bidding -0.94 · play -0.48
Strength of schedule: opponents averaged +0.61/bd (a tough draw) → opponent-adjusted -0.05/bd
Card play — on target: opening leads 81.8% #180 of 427 · declarer play 66.7% #353 of 427 · defence 73.9% #407 of 427
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 87.5% (8) |
| Declarer play | 50.0% (4) | 71.4% (14) |
| Defence | 55.6% (9) | 85.7% (14) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 83.3% (6) · ♦ 66.7% (3)
vs par by strain: NT -2.64 (14) · a suit -0.94 (36)
vs par by level: part-score +0.30 (23) · game -2.74 (23) · slam -3.75 (4)
By role: declaring -0.32/bd (-3.37 vs par · 27) · defending -1.07/bd (+0.87 vs par · 23)
By vulnerability: vulnerable -0.02/bd (-1.88 vs par · 24) · not vulnerable -1.26/bd (-1.00 vs par · 26)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Y.Huang | M.Klukowski – J.Zmuda | Closed | 10 | +1.2 | +0.12 | -1.70 |
| Round 3 | Y.Huang | T.Hoftaniska – S.Brock | Closed | 10 | -18.0 | -1.80 | -2.30 |
| Round 5 | Y.Huang | K.Muntz – L.Gold | Closed | 10 | -15.8 | -1.58 | -2.50 |
| Round 7 | Y.Huang | N.Cinar – N.Aydogdu | Open | 10 | +7.1 | +0.71 | -0.60 |
| Round 8 | Y.Huang | E.Koksoy – D.Anapa | Closed | 10 | -7.8 | -0.78 | +0.00 |
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 |
|---|---|---|---|---|---|---|---|
| +12.0 | Round 1 | ZIMMERMANN | 4 | 6♥ | ♦8 | +1 | +13 |
| +6.1 | Round 7 | VAHABOGLU | 6 | 2♠ | ♣K | +1 | +15 |
| +5.5 | Round 5 | KALM | 18 | 3NT | ♣2 | +1 | +1 |
| +5.5 | Round 7 | VAHABOGLU | 8 | 3♥ | ♠Q | +1 | +15 |
| +5.2 | Round 8 | KOKSOY | 17 | 4♥ | ♠K | -1 | +10 |
| +3.6 | Round 7 | VAHABOGLU | 10 | 2♠ | ♥7 | +1 | +0 |
| +3.4 | Round 1 | ZIMMERMANN | 5 | 1NT | ♥9 | -1 | +5 |
| +3.4 | Round 8 | KOKSOY | 20 | 1NT | ♥3 | -1 | +6 |
| +3.3 | Round 7 | VAHABOGLU | 3 | 3NT | ♦J | = | +0 |
| +3.2 | Round 7 | VAHABOGLU | 5 | 5♦ | ♥A | -2 | +6 |
| +3.0 | Round 3 | DE BOTTON | 28 | 2♠ | ♥5 | -1 | +10 |
| +3.0 | Round 8 | KOKSOY | 19 | 3NT | ♣6 | -3 | +2 |
| +2.7 | Round 5 | KALM | 15 | 3♣ | ♦10 | -2 | +5 |
| +2.0 | Round 7 | VAHABOGLU | 7 | 4♥ | ♣K | +2 | +1 |
| +1.3 | Round 5 | KALM | 11 | 2♠ | ♥2 | = | +0 |
| +1.2 | Round 5 | KALM | 14 | 3♠ | ♥7 | = | -7 |
| +0.9 | Round 1 | ZIMMERMANN | 8 | 2♠ | ♠4 | +1 | +1 |
| +0.4 | Round 1 | ZIMMERMANN | 3 | 2♠ | ♣Q | +1 | +0 |
| +0.3 | Round 1 | ZIMMERMANN | 1 | 4♠x | ♥8 | -2 | -9 |
| -0.2 | Round 3 | DE BOTTON | 22 | 5♠ | ♦Q | +2 | +10 |
| -0.3 | Round 1 | ZIMMERMANN | 2 | 2♠ | ♣K | = | -1 |
| -0.4 | Round 3 | DE BOTTON | 25 | 4♥ | ♣A | +2 | -9 |
| -0.5 | Round 8 | KOKSOY | 18 | 3NT | ♥2 | +2 | +0 |
| -0.6 | Round 5 | KALM | 12 | 3♠ | ♥K | = | +0 |
| -0.8 | Round 1 | ZIMMERMANN | 6 | 4♥ | ♠K | -2 | +0 |
| -0.8 | Round 3 | DE BOTTON | 26 | 3NT | ♥8 | = | -10 |
| -0.9 | Round 3 | DE BOTTON | 24 | 2♥ | ♥J | = | -5 |
| -1.1 | Round 8 | KOKSOY | 14 | 2NT | ♠7 | = | -7 |
| -1.3 | Round 8 | KOKSOY | 12 | 3NT | ♠J | +3 | -1 |
| -1.4 | Round 7 | VAHABOGLU | 2 | 7♠ | ♦2 | -2 | -17 |
| -1.6 | Round 3 | DE BOTTON | 27 | 3♠ | ♣Q | = | +0 |
| -1.9 | Round 1 | ZIMMERMANN | 7 | 1♠ | ♥3 | = | -5 |
| -2.2 | Round 5 | KALM | 19 | 3♥ | ♣J | +1 | -6 |
| -2.4 | Round 8 | KOKSOY | 16 | 3NT | ♠9 | +3 | -3 |
| -3.0 | Round 5 | KALM | 13 | 2NT | ♣4 | +1 | -1 |
| -3.1 | Round 3 | DE BOTTON | 23 | 2♥ | ♠A | = | +0 |
| -3.4 | Round 7 | VAHABOGLU | 1 | 6♠ | ♥3 | +1 | -11 |
| -3.4 | Round 7 | VAHABOGLU | 9 | 5♦ | ♣3 | +1 | -1 |
| -3.8 | Round 1 | ZIMMERMANN | 10 | 3NT | ♥10 | +2 | -10 |
| -3.9 | Round 5 | KALM | 20 | 3♥ | ♥2 | +1 | -10 |
| -4.1 | Round 3 | DE BOTTON | 21 | 2♥ | ♠J | -2 | -6 |
| -4.2 | Round 8 | KOKSOY | 15 | 4♥ | ♣K | -1 | -5 |
| -4.4 | Round 5 | KALM | 17 | 3NT | ♥10 | -3 | -7 |
| -4.4 | Round 8 | KOKSOY | 13 | 3♣ | ♦K | -2 | -2 |
| -4.7 | Round 3 | DE BOTTON | 29 | 3NT | ♥Q | -1 | -12 |
| -5.2 | Round 3 | DE BOTTON | 30 | 4♥ | ♦10 | = | -1 |
| -5.5 | Round 8 | KOKSOY | 11 | 4♠ | ♥10 | +1 | +0 |
| -8.4 | Round 7 | VAHABOGLU | 4 | 4♥ | ♠K | -3 | -14 |
| -9.0 | Round 1 | ZIMMERMANN | 9 | 4♠ | ♦K | +1 | -11 |
| -12.4 | Round 5 | KALM | 16 | 6♠ | ♥3 | = | +0 |