DONG Yaming · KALAJUN-XINJIANG
vs par split: bidding +1.27 · play -0.53
Strength of schedule: opponents averaged -0.57/bd (an easy draw) → opponent-adjusted -0.22/bd
Card play — on target: opening leads 93.8% #24 of 277 · declarer play 46.2% #269 of 277 · defence 72.0% #236 of 277
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (5) | 90.9% (11) |
| Declarer play | 60.0% (5) | 37.5% (8) |
| Defence | 62.5% (8) | 76.5% (17) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 100.0% (3) · ♦ 87.5% (8) · ♣ 100.0% (3)
vs par by strain: NT +2.28 (18) · a suit -0.16 (31)
vs par by level: part-score +2.00 (20) · game -0.56 (27) · slam +5.50 (2)
By role: declaring +0.54/bd (-1.04 vs par · 24) · defending +0.16/bd (+2.44 vs par · 25)
By vulnerability: vulnerable +0.18/bd (+1.28 vs par · 25) · not vulnerable +0.51/bd (+0.17 vs par · 24)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | W.Huang | H.Li – Z.Wang | Open | 7 | +5.7 | +0.81 | +1.43 |
| Round 2 | Y.Yang | X.Li – Q.Wu | Closed | 7 | +18.0 | +2.57 | +4.43 |
| Round 3 | Y.Yang | A.Rerhaye – M.Berrada | Open | 7 | +9.1 | +1.30 | +1.86 |
| Round 4 | Y.Yang | G.Narkiewicz – K.Buras | Closed | 7 | +5.3 | +0.76 | -0.71 |
| Round 5 | Y.Yang | L.Soudan – C.Garnier | Closed | 7 | -4.3 | -0.61 | +1.00 |
| Round 6 | Y.Yang | A.Aydin – U.Suzer | Open | 7 | -5.4 | -0.77 | -1.29 |
| Round 8 | Y.Yang | E.Aksuyek – R.Cooper | Open | 7 | -11.5 | -1.64 | -1.57 |
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 |
|---|---|---|---|---|---|---|---|
| +10.8 | Round 1 | BLACK EARTH GOD DUCK BRIDGE CL | 3 | 3NT | ♠5 | = | +10 |
| +7.9 | Round 8 | BILAL | 24 | 3NT | ♣6 | +1 | +7 |
| +7.5 | Round 3 | MOROCCAN OPEN T | 20 | 3NT | ♦4 | = | +10 |
| +6.7 | Round 2 | BEYOND | 13 | 4♠ | ♥6 | +2 | +17 |
| +6.2 | Round 2 | BEYOND | 11 | 3NT | ♦4 | -2 | +5 |
| +6.2 | Round 4 | BRIDGE 24 | 22 | 4♥ | ♥A | = | +1 |
| +5.5 | Round 2 | BEYOND | 12 | 4♥x | ♦J | -1 | +7 |
| +4.2 | Round 3 | MOROCCAN OPEN T | 16 | 2NT | ♠5 | -1 | +10 |
| +4.2 | Round 4 | BRIDGE 24 | 28 | 3♠ | ♦K | -1 | +10 |
| +4.1 | Round 1 | BLACK EARTH GOD DUCK BRIDGE CL | 2 | 3♦ | ♣J | = | +11 |
| +3.8 | Round 2 | BEYOND | 14 | 3NT | ♣2 | -2 | +5 |
| +3.7 | Round 6 | AYDIN | 10 | 3NT | ♦2 | -1 | +6 |
| +3.5 | Round 8 | BILAL | 27 | 3♠ | ♣6 | +1 | +6 |
| +3.2 | Round 5 | GUADELOUPE | 4 | 4♠ | ♦K | -1 | +6 |
| +3.1 | Round 1 | BLACK EARTH GOD DUCK BRIDGE CL | 4 | 1NT | ♣A | = | +12 |
| +2.0 | Round 6 | AYDIN | 13 | 2♠ | ♦5 | +1 | +1 |
| +1.8 | Round 5 | GUADELOUPE | 3 | 3NT | ♥6 | = | +0 |
| +1.7 | Round 6 | AYDIN | 12 | 4♠x | ♦5 | -3 | +4 |
| +1.6 | Round 3 | MOROCCAN OPEN T | 15 | 4♥ | ♠10 | +3 | -10 |
| +1.6 | Round 3 | MOROCCAN OPEN T | 21 | 1NT | ♦J | +1 | +10 |
| +1.2 | Round 5 | GUADELOUPE | 2 | 2♠ | ♥K | +1 | +0 |
| +1.1 | Round 1 | BLACK EARTH GOD DUCK BRIDGE CL | 7 | 3♦ | ♥A | +1 | +0 |
| +0.8 | Round 4 | BRIDGE 24 | 25 | 3NT | ♥9 | +1 | +1 |
| +0.4 | Round 4 | BRIDGE 24 | 27 | 4♠ | ♦6 | +1 | -11 |
| -0.0 | Round 6 | AYDIN | 14 | 1♠ | ♠4 | +2 | +1 |
| -0.4 | Round 1 | BLACK EARTH GOD DUCK BRIDGE CL | 5 | 2♠ | ♥A | -1 | -1 |
| -0.5 | Round 3 | MOROCCAN OPEN T | 18 | 2♠ | ♥4 | -1 | -4 |
| -0.6 | Round 4 | BRIDGE 24 | 26 | 2♥ | ♦10 | = | +0 |
| -0.6 | Round 5 | GUADELOUPE | 1 | 4♥ | ♣K | +1 | +0 |
| -1.0 | Round 2 | BEYOND | 9 | 1NT | ♠6 | -1 | -3 |
| -1.2 | Round 2 | BEYOND | 10 | 4♠x | ♣K | -2 | +0 |
| -1.6 | Round 3 | MOROCCAN OPEN T | 19 | 4♠ | ♦K | = | -6 |
| -1.6 | Round 5 | GUADELOUPE | 6 | 6♠ | ♦Q | +1 | +11 |
| -1.6 | Round 8 | BILAL | 28 | 4♠ | ♠4 | +1 | -4 |
| -2.0 | Round 2 | BEYOND | 8 | 2NT | ♠2 | = | +0 |
| -2.0 | Round 6 | AYDIN | 11 | 3NT | ♦A | -1 | -4 |
| -2.1 | Round 4 | BRIDGE 24 | 23 | 2♥ | ♠A | -1 | -1 |
| -3.6 | Round 4 | BRIDGE 24 | 24 | 3♦ | ♠6 | = | -5 |
| -3.6 | Round 5 | GUADELOUPE | 5 | 4♠ | ♠2 | -1 | -10 |
| -3.7 | Round 3 | MOROCCAN OPEN T | 17 | 3♠ | ♦J | +2 | +3 |
| -3.9 | Round 6 | AYDIN | 8 | 2♠ | ♦K | +1 | -6 |
| -4.2 | Round 8 | BILAL | 26 | 3NT | ♥6 | = | +1 |
| -4.4 | Round 8 | BILAL | 22 | 3NT | ♣5 | -2 | -8 |
| -4.7 | Round 5 | GUADELOUPE | 7 | 6♥ | ♠A | = | +0 |
| -5.0 | Round 8 | BILAL | 25 | 4♣ | ♣6 | -3 | -4 |
| -5.5 | Round 1 | BLACK EARTH GOD DUCK BRIDGE CL | 6 | 3NT | ♥4 | -1 | -12 |
| -6.9 | Round 6 | AYDIN | 9 | 5♣ | ♥7 | = | -11 |
| -7.5 | Round 1 | BLACK EARTH GOD DUCK BRIDGE CL | 1 | 4♠ | ♥5 | -1 | -10 |
| -7.7 | Round 8 | BILAL | 23 | 3NT | ♣6 | -3 | -9 |