DONG Chunhui · CRE8TIVE
436rank
-63.7Butler · 100 bds
-0.64per board
±4.2swing
-0.68vs par /bd · #386/478
-0.43adjusted /bd
by round
vs par split: bidding -0.51 · play -0.17
Strength of schedule: opponents averaged +0.21/bd (a tough draw) → opponent-adjusted -0.43/bd
Card play — on target: opening leads 72.4% #274 of 476 · declarer play 72.7% #315 of 478 · defence 94.2% #35 of 478
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 80.0% (10) | 68.4% (19) |
| Declarer play | 77.8% (9) | 69.2% (13) |
| Defence | 90.0% (20) | 96.9% (32) |
Opening leads by suit led: ♠ 83.3% (6) · ♥ 77.8% (9) · ♦ 77.8% (9) · ♣ 40.0% (5)
vs par by strain: NT -0.59 (34) · a suit -0.73 (66)
vs par by level: part-score +0.14 (43) · game -0.62 (48) · slam -4.89 (9)
By role: declaring -0.31/bd (-1.85 vs par · 48) · defending -0.94/bd (+0.40 vs par · 52)
By vulnerability: vulnerable -1.36/bd (-1.31 vs par · 49) · not vulnerable +0.06/bd (-0.08 vs par · 51)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Z.Jin | A.Wasik – A.Knap | Closed | 10 | -23.2 | -2.32 | -4.70 |
| Round 2 | Z.Jin | J.Bian – X.Cao | Closed | 10 | +13.5 | +1.35 | +0.40 |
| Round 3 | Z.Jin | K.Preddy – N.Selway | Closed | 10 | -16.9 | -1.69 | -1.50 |
| Round 4 | B.Shi | J.Vega – M.Lavine | Open | 10 | +28.0 | +2.80 | +3.60 |
| Round 5 | B.Shi | B.Nab – B.Drijver | Closed | 10 | -14.4 | -1.44 | +0.20 |
| Round 6 | B.Shi | X.Li – Y.Zhao | Open | 10 | -11.7 | -1.17 | -3.40 |
| Round 7 | B.Shi | J.Munday – R.Pavlicek | Closed | 10 | -1.1 | -0.11 | -2.10 |
| Round 8 | B.Shi | M.Andresen – F.Helness | Open | 10 | -17.9 | -1.79 | +0.60 |
| Round 9 | B.Shi | T.Gotard – M.Felmy | Open | 10 | -19.7 | -1.97 | -1.70 |
| Round 10 | Z.Jin | J.Voldoire – D.Gerin | Closed | 10 | -0.3 | -0.03 | +1.80 |
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 |
|---|---|---|---|---|---|---|---|
| +12.3 | Round 4 | JOHN VEGA | 15 | 5♠x | ♦K | = | +15 |
| +7.6 | Round 2 | CHINA XHJT | 15 | 5♥x | ♠A | = | +10 |
| +7.3 | Round 2 | CHINA XHJT | 19 | 3♣x | ♠A | -2 | -8 |
| +6.3 | Round 4 | JOHN VEGA | 19 | 4♥ | ♦7 | = | +7 |
| +5.8 | Round 10 | GUADELOUPE | 23 | 3♦ | ♣A | +1 | +7 |
| +4.9 | Round 2 | CHINA XHJT | 11 | 1NTx | ♥A | +1 | +4 |
| +4.4 | Round 4 | JOHN VEGA | 11 | 4♠ | ♦K | +1 | +1 |
| +4.1 | Round 4 | JOHN VEGA | 17 | 2♥ | ♥9 | +1 | +7 |
| +4.0 | Round 4 | JOHN VEGA | 20 | 2♣ | ♦4 | -2 | +7 |
| +4.0 | Round 5 | PDC | 21 | 3NT | ♥3 | +3 | +11 |
| +3.8 | Round 1 | ERA | 1 | 2♦ | ♣6 | -1 | +5 |
| +3.8 | Round 10 | GUADELOUPE | 30 | 1NT | ♠8 | -2 | +5 |
| +3.5 | Round 3 | PREDDY | 3 | 1NT | ♥4 | +1 | +6 |
| +3.3 | Round 4 | JOHN VEGA | 16 | 2♦ | ♠K | -2 | +3 |
| +3.1 | Round 1 | ERA | 3 | 6♥ | ♠10 | = | -11 |
| +3.1 | Round 10 | GUADELOUPE | 27 | 4♥ | ♦9 | -1 | +10 |
| +2.7 | Round 7 | PAVLICEK | 11 | 2NT | ♥5 | = | +0 |
| +2.7 | Round 8 | VICKY | 5 | 4♠ | ♥3 | +1 | +0 |
| +2.6 | Round 7 | PAVLICEK | 14 | 5♥x | ♠10 | -1 | -5 |
| +2.5 | Round 7 | PAVLICEK | 12 | 2NT | ♠5 | -4 | +2 |
| +2.2 | Round 6 | CHINA OPEN 2 | 3 | 2♠ | ♦7 | +1 | +0 |
| +2.0 | Round 6 | CHINA OPEN 2 | 9 | 1NT | ♠5 | -1 | +0 |
| +1.9 | Round 9 | HAFFER | 11 | 3NT | ♣3 | = | -1 |
| +1.8 | Round 2 | CHINA XHJT | 17 | 3NT | ♠7 | +1 | +0 |
| +1.7 | Round 2 | CHINA XHJT | 20 | 2♦ | ♥A | +1 | +0 |
| +1.7 | Round 6 | CHINA OPEN 2 | 6 | 2♠ | ♣A | = | +0 |
| +1.6 | Round 7 | PAVLICEK | 16 | 6NT | ♥Q | = | -11 |
| +1.6 | Round 8 | VICKY | 10 | 3NT | ♠4 | -1 | +0 |
| +1.4 | Round 1 | ERA | 8 | 4♠x | ♥K | -2 | -3 |
| +1.4 | Round 5 | PDC | 22 | 2♠ | ♥3 | +1 | +1 |
| +1.4 | Round 8 | VICKY | 6 | 3NT | ♥4 | +1 | +1 |
| +1.3 | Round 7 | PAVLICEK | 15 | 4♥ | ♦7 | = | +0 |
| +1.2 | Round 3 | PREDDY | 2 | 3♠ | ♣K | = | -4 |
| +1.2 | Round 9 | HAFFER | 18 | 1♠ | ♣Q | +1 | -1 |
| +1.0 | Round 5 | PDC | 27 | 3♠ | ♦7 | -1 | +5 |
| +0.9 | Round 3 | PREDDY | 1 | 1NT | ♣5 | = | -1 |
| +0.9 | Round 4 | JOHN VEGA | 12 | 4♣ | ♦9 | -1 | -2 |
| +0.9 | Round 6 | CHINA OPEN 2 | 8 | 3♣ | ♦4 | -1 | -1 |
| +0.7 | Round 2 | CHINA XHJT | 13 | 4♥ | ♦3 | +1 | +0 |
| +0.7 | Round 6 | CHINA OPEN 2 | 1 | 3NT | ♦J | -1 | +4 |
| +0.6 | Round 5 | PDC | 25 | 3NT | ♥5 | +2 | +1 |
| +0.6 | Round 5 | PDC | 28 | 3♠ | ♥K | -1 | -2 |
| +0.5 | Round 7 | PAVLICEK | 13 | 6♠ | ♥J | +1 | +8 |
| +0.5 | Round 10 | GUADELOUPE | 29 | 3NT | ♥3 | +1 | +0 |
| +0.4 | Round 1 | ERA | 10 | 4♥ | ♣5 | +1 | +0 |
| +0.0 | Round 1 | ERA | 5 | 2♦ | ♥3 | -1 | -5 |
| -0.0 | Round 2 | CHINA XHJT | 12 | 2♥ | ♣Q | = | +1 |
| +0.0 | Round 3 | PREDDY | 9 | 3NT | ♥9 | = | +1 |
| +0.0 | Round 5 | PDC | 26 | 2♠ | ♦J | = | -1 |
| -0.0 | Round 5 | PDC | 30 | 4♠ | ♦3 | = | +0 |
| -0.1 | Round 2 | CHINA XHJT | 18 | 3NT | ♠Q | +1 | +0 |
| -0.1 | Round 3 | PREDDY | 10 | 4♥ | ♣9 | -2 | +8 |
| -0.2 | Round 6 | CHINA OPEN 2 | 5 | 3♠ | ♥10 | -1 | -2 |
| -0.2 | Round 8 | VICKY | 2 | 3♣ | ♠4 | = | +7 |
| -0.2 | Round 10 | GUADELOUPE | 25 | 3NT | ♣6 | +1 | -1 |
| -0.2 | Round 10 | GUADELOUPE | 28 | 3♥ | ♣J | -1 | -2 |
| -0.4 | Round 9 | HAFFER | 19 | 1NT | ♠A | +1 | +0 |
| -0.5 | Round 7 | PAVLICEK | 18 | 3NT | ♥4 | +1 | +1 |
| -0.5 | Round 9 | HAFFER | 16 | 4♥ | ♠A | +2 | +3 |
| -0.6 | Round 9 | HAFFER | 12 | 6♦ | ♠2 | = | -2 |
| -0.7 | Round 8 | VICKY | 9 | 2♠ | ♣6 | +1 | +0 |
| -1.0 | Round 4 | JOHN VEGA | 18 | 2♥ | ♠4 | +1 | -1 |
| -1.2 | Round 10 | GUADELOUPE | 24 | 6NT | ♠J | = | +0 |
| -1.4 | Round 9 | HAFFER | 14 | 1NT | ♦6 | = | +2 |
| -1.8 | Round 9 | HAFFER | 13 | 3NT | ♣9 | +2 | +0 |
| -1.8 | Round 10 | GUADELOUPE | 21 | 3NT | ♥5 | +1 | -1 |
| -2.1 | Round 3 | PREDDY | 7 | 3NT | ♦3 | +3 | -2 |
| -2.2 | Round 7 | PAVLICEK | 17 | 3♥ | ♣6 | -1 | -4 |
| -2.4 | Round 2 | CHINA XHJT | 14 | 2♥ | ♥4 | = | -5 |
| -2.4 | Round 9 | HAFFER | 15 | 4♠ | ♣5 | +2 | -1 |
| -2.5 | Round 1 | ERA | 7 | 3NT | ♦7 | = | +0 |
| -2.6 | Round 7 | PAVLICEK | 20 | 2♥ | ♦2 | -2 | -2 |
| -2.7 | Round 1 | ERA | 6 | 3NT | ♥10 | = | +1 |
| -2.7 | Round 3 | PREDDY | 4 | 3♦ | ♥K | -2 | -3 |
| -2.8 | Round 8 | VICKY | 4 | 3♥ | ♦5 | = | +0 |
| -2.9 | Round 5 | PDC | 24 | 6♥ | ♠2 | = | +0 |
| -3.0 | Round 4 | JOHN VEGA | 13 | 3♦ | ♥A | +1 | +0 |
| -3.0 | Round 9 | HAFFER | 17 | 4♥ | ♠3 | +1 | +0 |
| -3.2 | Round 3 | PREDDY | 8 | 3♣ | ♣J | = | -5 |
| -3.2 | Round 8 | VICKY | 3 | 3♣ | ♦2 | +1 | +10 |
| -3.3 | Round 4 | JOHN VEGA | 14 | 4♠ | ♣2 | = | -1 |
| -3.3 | Round 6 | CHINA OPEN 2 | 10 | 3NT | ♦Q | -2 | -8 |
| -3.5 | Round 3 | PREDDY | 5 | 2♥ | ♦K | -1 | -5 |
| -3.6 | Round 10 | GUADELOUPE | 26 | 3NT | ♥10 | = | +0 |
| -4.0 | Round 1 | ERA | 2 | 4♥ | ♦10 | -1 | -6 |
| -4.4 | Round 8 | VICKY | 1 | 3NT | ♠8 | +1 | -7 |
| -4.8 | Round 6 | CHINA OPEN 2 | 7 | 5♣ | ♦A | -1 | -6 |
| -5.0 | Round 6 | CHINA OPEN 2 | 4 | 2♥ | ♣2 | = | -12 |
| -5.2 | Round 8 | VICKY | 8 | 4♠ | ♣3 | -1 | -5 |
| -5.9 | Round 6 | CHINA OPEN 2 | 2 | 4♠ | ♥3 | -2 | -9 |
| -6.5 | Round 10 | GUADELOUPE | 22 | 4♥ | ♠Q | +1 | +0 |
| -6.7 | Round 5 | PDC | 23 | 5♦x | ♣A | -2 | +0 |
| -7.0 | Round 7 | PAVLICEK | 19 | 4♥ | ♥4 | -1 | -10 |
| -7.1 | Round 8 | VICKY | 7 | 3NT | ♥10 | = | +0 |
| -8.0 | Round 2 | CHINA XHJT | 16 | 6♦ | ♥K | = | +2 |
| -8.4 | Round 1 | ERA | 9 | 5♦x | ♣4 | -1 | -11 |
| -10.9 | Round 3 | PREDDY | 6 | 3NT | ♦3 | = | -10 |
| -12.4 | Round 5 | PDC | 29 | 6♠ | ♥K | -2 | -13 |
| -12.7 | Round 9 | HAFFER | 20 | 3NT | ♣Q | -1 | -17 |
| -14.3 | Round 1 | ERA | 4 | 6♠ | ♥K | -4 | -17 |