🇨🇳 DAI Jianming · CHINA
5rank
+45.6Butler · 80 bds
+0.57per board
±4.3swing
+0.39vs par /bd
+0.68adjusted /bd
by round
vs par split: bidding +0.84 · play -0.45
Strength of schedule: opponents averaged +0.11/bd (a tough draw) → opponent-adjusted +0.68/bd
Card play — on target: opening leads 92.3% · declarer play 90.9% · defence 82.1%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 90.9% (11) |
| Declarer play | 100.0% (3) | 89.5% (19) |
| Defence | 75.0% (8) | 83.9% (31) |
Opening leads by suit led: ♠ 75.0% (4) · ♥ 100.0% (4) · ♣ 100.0% (5)
vs par by strain: NT -2.53 (17) · a suit +1.18 (63)
vs par by level: part-score -0.34 (29) · game -0.36 (42) · slam +6.22 (9)
By role: declaring +0.98/bd (-0.93 vs par · 41) · defending +0.13/bd (+1.77 vs par · 39)
By vulnerability: vulnerable +0.77/bd (+0.95 vs par · 40) · not vulnerable +0.37/bd (-0.17 vs par · 40)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | L.Yang | C.Lorenzini – J.Quantin | Open | 16 | +28.8 | +1.80 | +2.88 |
| Quarterfinal | L.Yang | C.Lorenzini – J.Quantin | Closed | 16 | +11.4 | +0.71 | +0.50 |
| Quarterfinal | L.Yang | C.Lorenzini – J.Quantin | Open | 16 | -2.2 | -0.14 | -1.88 |
| Quarterfinal | L.Yang | F.Combescure – J.Rombaut | Closed | 16 | -6.1 | -0.38 | +0.19 |
| Quarterfinal | L.Yang | C.Lorenzini – J.Quantin | Open | 16 | +13.7 | +0.86 | +0.25 |
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 |
|---|---|---|---|---|---|---|---|
| +14.4 | Quarterfinal | 🇫🇷 FRANCE | 13 | 6♥ | ♦4 | -2 | +17 |
| +10.7 | Quarterfinal | 🇫🇷 FRANCE | 42 | 2♣ | ♣10 | -3 | -7 |
| +10.3 | Quarterfinal | 🇫🇷 FRANCE | 80 | 6♣ | ♠2 | -2 | +17 |
| +9.3 | Quarterfinal | 🇫🇷 FRANCE | 86 | 6♥ | ♣Q | = | +1 |
| +8.9 | Quarterfinal | 🇫🇷 FRANCE | 5 | 6♠ | ♦3 | -1 | +13 |
| +8.9 | Quarterfinal | 🇫🇷 FRANCE | 68 | 2♠ | ♦6 | = | +12 |
| +8.4 | Quarterfinal | 🇫🇷 FRANCE | 4 | 4♥ | ♠4 | = | +1 |
| +6.0 | Quarterfinal | 🇫🇷 FRANCE | 70 | 5♦ | ♣9 | +1 | +13 |
| +5.9 | Quarterfinal | 🇫🇷 FRANCE | 15 | 3♣x | ♥8 | -1 | +8 |
| +4.9 | Quarterfinal | 🇫🇷 FRANCE | 92 | 5♥x | ♦K | = | +5 |
| +4.6 | Quarterfinal | 🇫🇷 FRANCE | 87 | 4♠ | ♦A | = | +13 |
| +4.6 | Quarterfinal | 🇫🇷 FRANCE | 90 | 4♠ | ♥K | -1 | +5 |
| +4.4 | Quarterfinal | 🇫🇷 FRANCE | 82 | 5♣ | ♠A | +1 | +5 |
| +4.1 | Quarterfinal | 🇫🇷 FRANCE | 50 | 5♣ | ♠A | = | +0 |
| +4.1 | Quarterfinal | 🇫🇷 FRANCE | 84 | 2♠ | ♦3 | +2 | +1 |
| +3.7 | Quarterfinal | 🇫🇷 FRANCE | 55 | 2NT | ♥4 | -1 | +0 |
| +3.4 | Quarterfinal | 🇫🇷 FRANCE | 37 | 1NT | ♣7 | +1 | +1 |
| +3.3 | Quarterfinal | 🇫🇷 FRANCE | 91 | 3NT | ♣J | +1 | +0 |
| +3.1 | Quarterfinal | 🇫🇷 FRANCE | 11 | 4♠ | ♦3 | +1 | +0 |
| +3.0 | Quarterfinal | 🇫🇷 FRANCE | 7 | 3♦ | ♦9 | -1 | +11 |
| +2.9 | Quarterfinal | 🇫🇷 FRANCE | 59 | 4♥ | ♣4 | -1 | +4 |
| +2.1 | Quarterfinal | 🇫🇷 FRANCE | 8 | 2♦ | ♣A | = | +0 |
| +2.0 | Quarterfinal | 🇫🇷 FRANCE | 33 | 6♥ | ♦4 | -1 | +14 |
| +1.9 | Quarterfinal | 🇫🇷 FRANCE | 16 | 6♠ | ♥J | = | +0 |
| +1.9 | Quarterfinal | 🇫🇷 FRANCE | 40 | 4♥ | ♣K | +1 | +0 |
| +1.9 | Quarterfinal | 🇫🇷 FRANCE | 45 | 4♥ | ♣9 | = | +0 |
| +1.4 | Quarterfinal | 🇫🇷 FRANCE | 62 | 3♥ | ♦5 | -1 | -2 |
| +1.3 | Quarterfinal | 🇫🇷 FRANCE | 43 | 2♥ | ♥Q | -1 | +2 |
| +1.1 | Quarterfinal | 🇫🇷 FRANCE | 51 | 3NT | ♥6 | = | -1 |
| +1.1 | Quarterfinal | 🇫🇷 FRANCE | 88 | 4♠ | ♣4 | +1 | +0 |
| +0.9 | Quarterfinal | 🇫🇷 FRANCE | 34 | 3♥ | ♣K | = | +0 |
| +0.9 | Quarterfinal | 🇫🇷 FRANCE | 64 | 4♠ | ♥K | +1 | +0 |
| +0.9 | Quarterfinal | 🇫🇷 FRANCE | 78 | 3NT | ♠3 | +1 | +1 |
| +0.7 | Quarterfinal | 🇫🇷 FRANCE | 63 | 3NT | ♠4 | +3 | -11 |
| +0.6 | Quarterfinal | 🇫🇷 FRANCE | 6 | 4♠ | ♣Q | -2 | +5 |
| +0.4 | Quarterfinal | 🇫🇷 FRANCE | 49 | 4♥ | ♠3 | = | +1 |
| +0.4 | Quarterfinal | 🇫🇷 FRANCE | 74 | 2♥ | ♣3 | +1 | +1 |
| +0.3 | Quarterfinal | 🇫🇷 FRANCE | 47 | 2♥ | ♠10 | = | +11 |
| +0.3 | Quarterfinal | 🇫🇷 FRANCE | 76 | 1NT | ♠3 | +3 | -10 |
| +0.1 | Quarterfinal | 🇫🇷 FRANCE | 35 | 2♥ | ♦K | +2 | -6 |
| +0.1 | Quarterfinal | 🇫🇷 FRANCE | 79 | 3NT | ♠3 | +1 | +1 |
| +0.1 | Quarterfinal | 🇫🇷 FRANCE | 85 | 3NT | ♥6 | +1 | +0 |
| -0.0 | Quarterfinal | 🇫🇷 FRANCE | 52 | 4♥ | ♠J | = | +0 |
| -0.0 | Quarterfinal | 🇫🇷 FRANCE | 54 | 4♠ | ♦5 | +1 | +0 |
| -0.0 | Quarterfinal | 🇫🇷 FRANCE | 95 | 2♠ | ♣7 | -1 | +3 |
| -0.1 | Quarterfinal | 🇫🇷 FRANCE | 10 | 5♥ | ♠3 | = | +0 |
| -0.1 | Quarterfinal | 🇫🇷 FRANCE | 46 | 4♣ | ♦9 | -1 | -4 |
| -0.1 | Quarterfinal | 🇫🇷 FRANCE | 93 | 4♠ | ♦Q | = | -1 |
| -0.4 | Quarterfinal | 🇫🇷 FRANCE | 36 | 1NT | ♥5 | = | -1 |
| -0.4 | Quarterfinal | 🇫🇷 FRANCE | 60 | 4♥ | ♠7 | = | -11 |
| -0.4 | Quarterfinal | 🇫🇷 FRANCE | 77 | 4♦ | ♣3 | +1 | +1 |
| -0.6 | Quarterfinal | 🇫🇷 FRANCE | 58 | 3NT | ♣10 | = | -1 |
| -0.9 | Quarterfinal | 🇫🇷 FRANCE | 41 | 2♠ | ♦K | +2 | -6 |
| -0.9 | Quarterfinal | 🇫🇷 FRANCE | 44 | 2♥ | ♣A | +1 | +0 |
| -1.6 | Quarterfinal | 🇫🇷 FRANCE | 65 | 4♠x | ♥5 | = | -5 |
| -1.9 | Quarterfinal | 🇫🇷 FRANCE | 3 | 6♠x | ♣J | -2 | +5 |
| -1.9 | Quarterfinal | 🇫🇷 FRANCE | 12 | 4♠ | ♥A | -3 | -7 |
| -1.9 | Quarterfinal | 🇫🇷 FRANCE | 48 | 4♥ | ♣6 | -3 | +4 |
| -2.0 | Quarterfinal | 🇫🇷 FRANCE | 38 | 6♠ | ♣A | = | +0 |
| -2.0 | Quarterfinal | 🇫🇷 FRANCE | 75 | 3NT | ♣A | -1 | -5 |
| -2.0 | Quarterfinal | 🇫🇷 FRANCE | 81 | 3NT | ♣6 | -2 | -6 |
| -2.1 | Quarterfinal | 🇫🇷 FRANCE | 69 | 3NT | ♣7 | +1 | +1 |
| -2.3 | Quarterfinal | 🇫🇷 FRANCE | 14 | 1♥x | ♣J | -1 | +0 |
| -2.9 | Quarterfinal | 🇫🇷 FRANCE | 9 | 3♥ | ♦6 | = | +0 |
| -3.3 | Quarterfinal | 🇫🇷 FRANCE | 61 | 2♠ | ♣Q | -1 | -5 |
| -3.3 | Quarterfinal | 🇫🇷 FRANCE | 66 | 2♣ | ♣Q | -2 | -7 |
| -3.7 | Quarterfinal | 🇫🇷 FRANCE | 94 | 4♠x | ♦A | -2 | -4 |
| -3.9 | Quarterfinal | 🇫🇷 FRANCE | 53 | 4♠x | ♠2 | -1 | -6 |
| -3.9 | Quarterfinal | 🇫🇷 FRANCE | 56 | 3NT | ♠5 | = | +0 |
| -3.9 | Quarterfinal | 🇫🇷 FRANCE | 73 | 6♠ | ♣10 | -1 | -11 |
| -4.4 | Quarterfinal | 🇫🇷 FRANCE | 72 | 1NTx | ♦5 | +1 | -5 |
| -4.6 | Quarterfinal | 🇫🇷 FRANCE | 89 | 4♠ | ♦K | -1 | -6 |
| -4.9 | Quarterfinal | 🇫🇷 FRANCE | 39 | 4♠ | ♠4 | +1 | +0 |
| -5.0 | Quarterfinal | 🇫🇷 FRANCE | 1 | 3♣ | ♠A | +1 | -6 |
| -5.3 | Quarterfinal | 🇫🇷 FRANCE | 57 | 5♦ | ♠10 | = | +2 |
| -5.3 | Quarterfinal | 🇫🇷 FRANCE | 83 | 3NT | ♣5 | +1 | -7 |
| -5.4 | Quarterfinal | 🇫🇷 FRANCE | 2 | 2♦ | ♣A | +2 | -1 |
| -5.7 | Quarterfinal | 🇫🇷 FRANCE | 67 | 4♣ | ♥K | = | -1 |
| -7.0 | Quarterfinal | 🇫🇷 FRANCE | 96 | 4♥x | ♥4 | = | -5 |
| -9.6 | Quarterfinal | 🇫🇷 FRANCE | 71 | 4♠ | ♣A | = | +0 |