VAHABOGLU Haldun · TURKEY
vs par split: bidding +0.43 · play +0.33
Strength of schedule: opponents averaged -0.60/bd (an easy draw) → opponent-adjusted -0.24/bd
Card play — on target: opening leads 70.0% #432 of 579 · declarer play 42.9% #565 of 579 · defence 75.0% #524 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 0.0% (2) | 87.5% (8) |
| Declarer play | 0.0% (2) | 60.0% (5) |
| Defence | 66.7% (6) | 77.8% (18) |
Opening leads by suit led: ♠ 0.0% (2) · ♥ 100.0% (3) · ♦ 66.7% (3) · ♣ 100.0% (2)
vs par by strain: NT -0.69 (16) · a suit +1.46 (33)
vs par by level: part-score +0.00 (22) · game +0.22 (23) · slam +8.00 (4)
By role: declaring +0.34/bd (-3.24 vs par · 25) · defending +0.38/bd (+4.92 vs par · 24)
By vulnerability: vulnerable +1.47/bd (+0.48 vs par · 25) · not vulnerable -0.80/bd (+1.04 vs par · 24)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | N.Aydogdu | X.Zhang – H.Liu | Open | 7 | -11.8 | -1.69 | -3.71 |
| Round 3 | F.Aydogdu | H.Li – X.Wang | Open | 7 | -0.3 | -0.04 | -1.43 |
| Round 4 | F.Aydogdu | X.Liu – Z.Li | Open | 7 | +10.0 | +1.43 | +6.86 |
| Round 5 | F.Aydogdu | W.Ge – Y.Yu | Open | 7 | +3.7 | +0.53 | +0.43 |
| Round 6 | F.Aydogdu | V.Demuy – J.Kranyak | Open | 7 | -5.3 | -0.76 | +2.29 |
| Round 7 | N.Aydogdu | H.Zhu – Y.Lin | Open | 7 | +4.7 | +0.67 | +2.57 |
| Round 8 | F.Aydogdu | G.Wei – S.Chen | Open | 7 | +16.4 | +2.34 | -1.71 |
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 |
|---|---|---|---|---|---|---|---|
| +12.4 | Round 7 | DALIAN | 20 | 6♠ | ♦5 | = | +0 |
| +9.6 | Round 5 | CHONGQINGBANNAN | 5 | 4♥ | ♥2 | = | +10 |
| +9.1 | Round 6 | LEBRON | 13 | 4♠ | ♥A | -3 | +10 |
| +6.6 | Round 8 | JINCHENGCHEMICAL ENGINEERING F | 22 | 3NT | ♣10 | = | -1 |
| +5.9 | Round 4 | GUANGZHOU ZHAOHENG | 28 | 2♥ | ♥J | -4 | +2 |
| +5.5 | Round 5 | CHONGQINGBANNAN | 4 | 3NT | ♥2 | = | -1 |
| +5.0 | Round 8 | JINCHENGCHEMICAL ENGINEERING F | 23 | 2♠ | ♦10 | -1 | +5 |
| +4.7 | Round 3 | QINGHAI BRIDGE ASSOCIATION | 16 | 3NT | ♥8 | +3 | +11 |
| +4.3 | Round 8 | JINCHENGCHEMICAL ENGINEERING F | 25 | 5♦ | ♠A | = | +0 |
| +4.2 | Round 6 | LEBRON | 8 | 3♣ | ♦J | = | +8 |
| +4.2 | Round 6 | LEBRON | 14 | 5♥ | ♠A | = | +4 |
| +3.8 | Round 3 | QINGHAI BRIDGE ASSOCIATION | 20 | 3NT | ♠7 | +2 | -12 |
| +3.5 | Round 4 | GUANGZHOU ZHAOHENG | 27 | 2♠ | ♥4 | = | +7 |
| +3.2 | Round 7 | DALIAN | 16 | 4♦ | ♦3 | +2 | +10 |
| +3.1 | Round 7 | DALIAN | 18 | 2NT | ♥5 | -2 | +6 |
| +2.6 | Round 1 | PAN-CHINA | 4 | 1NT | ♣5 | -1 | -1 |
| +2.0 | Round 3 | QINGHAI BRIDGE ASSOCIATION | 19 | 4NT | ♥2 | = | -17 |
| +2.0 | Round 4 | GUANGZHOU ZHAOHENG | 23 | 6♣ | ♦10 | -1 | +17 |
| +2.0 | Round 5 | CHONGQINGBANNAN | 7 | 4♠ | ♦3 | +1 | +1 |
| +2.0 | Round 8 | JINCHENGCHEMICAL ENGINEERING F | 26 | 3NT | ♥Q | = | +0 |
| +1.5 | Round 8 | JINCHENGCHEMICAL ENGINEERING F | 27 | 3♠ | ♥A | -1 | -2 |
| +1.4 | Round 1 | PAN-CHINA | 1 | 2♠ | ♦J | +1 | +6 |
| +1.4 | Round 1 | PAN-CHINA | 5 | 1NT | ♠5 | -2 | +1 |
| +0.7 | Round 4 | GUANGZHOU ZHAOHENG | 24 | 3NT | ♠2 | = | -2 |
| +0.4 | Round 7 | DALIAN | 19 | 3♦ | ♠6 | = | -1 |
| +0.0 | Round 4 | GUANGZHOU ZHAOHENG | 22 | 2♥ | ♦A | +1 | +0 |
| +0.0 | Round 4 | GUANGZHOU ZHAOHENG | 25 | 3NT | ♣3 | +2 | +12 |
| -0.2 | Round 1 | PAN-CHINA | 6 | 3♣ | ♥A | +1 | -6 |
| -0.2 | Round 3 | QINGHAI BRIDGE ASSOCIATION | 15 | 3♦ | ♠A | -1 | +2 |
| -0.6 | Round 5 | CHONGQINGBANNAN | 2 | 3♥ | ♦2 | = | +0 |
| -1.1 | Round 6 | LEBRON | 9 | 5♦ | ♣A | +1 | +13 |
| -1.2 | Round 8 | JINCHENGCHEMICAL ENGINEERING F | 24 | 4♠x | ♣9 | -2 | -4 |
| -1.7 | Round 3 | QINGHAI BRIDGE ASSOCIATION | 18 | 2♥ | ♣A | +1 | -1 |
| -1.8 | Round 8 | JINCHENGCHEMICAL ENGINEERING F | 28 | 4♥ | ♣3 | -1 | -10 |
| -1.9 | Round 1 | PAN-CHINA | 2 | 3NT | ♥5 | -2 | -6 |
| -1.9 | Round 5 | CHONGQINGBANNAN | 3 | 3NT | ♠3 | -2 | -6 |
| -2.1 | Round 4 | GUANGZHOU ZHAOHENG | 26 | 3NT | ♠4 | +4 | +12 |
| -2.8 | Round 6 | LEBRON | 11 | 4♣ | ♦8 | -1 | -5 |
| -3.5 | Round 7 | DALIAN | 15 | 4♠ | ♣K | = | +11 |
| -3.5 | Round 7 | DALIAN | 21 | 2♠ | ♥6 | +2 | -1 |
| -4.4 | Round 3 | QINGHAI BRIDGE ASSOCIATION | 17 | 2♠ | ♦7 | = | -6 |
| -4.4 | Round 5 | CHONGQINGBANNAN | 1 | 2♥x | ♦2 | -3 | -3 |
| -4.5 | Round 3 | QINGHAI BRIDGE ASSOCIATION | 21 | 6♠ | ♥J | = | +13 |
| -4.9 | Round 1 | PAN-CHINA | 3 | 2NT | ♣Q | -4 | -7 |
| -6.5 | Round 5 | CHONGQINGBANNAN | 6 | 7♣ | ♥3 | = | +2 |
| -6.5 | Round 6 | LEBRON | 12 | 3NT | ♠2 | +1 | +0 |
| -7.4 | Round 7 | DALIAN | 17 | 5♣ | ♦5 | -3 | -7 |
| -10.2 | Round 1 | PAN-CHINA | 7 | 4♠ | ♥J | -2 | -13 |
| -12.4 | Round 6 | LEBRON | 10 | 3♦x | ♠A | -4 | -14 |