CAI Yang · CHINA OPEN
vs par split: bidding +0.48 · play -0.06
Strength of schedule: opponents averaged +0.01/bd (an average draw) → opponent-adjusted +0.07/bd
Card play — on target: opening leads 50.0% #265 of 268 · declarer play 68.8% #140 of 268 · defence 81.0% #199 of 268
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 33.3% (6) |
| Declarer play | 60.0% (5) | 72.7% (11) |
| Defence | 80.0% (5) | 81.2% (16) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 66.7% (3) · ♦ 25.0% (4)
vs par by strain: NT -2.54 (13) · a suit +1.51 (35)
vs par by level: part-score +0.61 (18) · game -0.44 (27) · slam +7.00 (3)
By role: declaring -0.04/bd (+0.00 vs par · 27) · defending +0.20/bd (+0.95 vs par · 21)
By vulnerability: vulnerable -0.51/bd (-0.75 vs par · 24) · not vulnerable +0.64/bd (+1.58 vs par · 24)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 4 | Y.Lian | A.Leleu – M.Kurek Beaulieu | Open | 12 | +5.9 | +0.49 | -0.50 |
| Round 5 | Y.Lian | M.Karadeniz – A.Musaoglu | Closed | 12 | +24.6 | +2.05 | +3.25 |
| Round 7 | Y.Lian | M.Michielsen – P.Cullin | Closed | 12 | -13.6 | -1.13 | -0.42 |
| Round 8 | Y.Lian | F.Nacrur – G.Guridi | Closed | 12 | -13.8 | -1.15 | -0.67 |
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 |
|---|---|---|---|---|---|---|---|
| +13.0 | Round 5 | TURKIYE SENIORS | 8 | 6NTx | ♠7 | -4 | +14 |
| +8.0 | Round 5 | TURKIYE SENIORS | 1 | 4♠ | ♣2 | -1 | +8 |
| +7.2 | Round 4 | FRANCE WOMEN | 23 | 6♠ | ♣K | = | +12 |
| +7.1 | Round 8 | CHILE MIXTO | 14 | 2♣x | ♦A | -2 | +9 |
| +7.0 | Round 7 | VENTIN | 6 | 2♦x | ♣2 | -2 | +2 |
| +6.5 | Round 7 | VENTIN | 3 | 3NT | ♠3 | +1 | -1 |
| +5.0 | Round 7 | VENTIN | 2 | 3♥ | ♠A | = | +7 |
| +4.4 | Round 8 | CHILE MIXTO | 21 | 1♠ | ♥A | +1 | +1 |
| +2.7 | Round 5 | TURKIYE SENIORS | 6 | 5♠x | ♣3 | = | +5 |
| +2.5 | Round 4 | FRANCE WOMEN | 19 | 3NT | ♥2 | +1 | -10 |
| +2.5 | Round 5 | TURKIYE SENIORS | 4 | 2♠ | ♦A | -1 | +5 |
| +2.2 | Round 4 | FRANCE WOMEN | 14 | 3♦ | ♣6 | -1 | +9 |
| +2.1 | Round 4 | FRANCE WOMEN | 24 | 4♥ | ♠K | = | -1 |
| +2.1 | Round 5 | TURKIYE SENIORS | 11 | 4♠ | ♥J | = | +0 |
| +2.0 | Round 4 | FRANCE WOMEN | 22 | 6♠x | ♣K | -1 | -5 |
| +1.4 | Round 5 | TURKIYE SENIORS | 7 | 4♥ | ♠J | +1 | +1 |
| +1.4 | Round 7 | VENTIN | 10 | 2♥x | ♦A | -2 | +3 |
| +0.9 | Round 4 | FRANCE WOMEN | 20 | 3NT | ♠K | +1 | -12 |
| +0.9 | Round 7 | VENTIN | 4 | 2♦x | ♠K | -1 | +9 |
| +0.9 | Round 8 | CHILE MIXTO | 20 | 3NT | ♠Q | +3 | +1 |
| +0.8 | Round 7 | VENTIN | 1 | 4♥ | ♠3 | +1 | +1 |
| +0.5 | Round 4 | FRANCE WOMEN | 15 | 4♥ | ♦A | -2 | +9 |
| +0.2 | Round 5 | TURKIYE SENIORS | 5 | 5♠ | ♣4 | +1 | +9 |
| +0.2 | Round 8 | CHILE MIXTO | 23 | 1NT | ♥Q | = | +2 |
| +0.1 | Round 5 | TURKIYE SENIORS | 9 | 4♠ | ♥J | = | +1 |
| -0.0 | Round 8 | CHILE MIXTO | 24 | 3NT | ♥Q | +1 | +1 |
| -0.3 | Round 5 | TURKIYE SENIORS | 10 | 3♦ | ♥J | +1 | +10 |
| -0.3 | Round 8 | CHILE MIXTO | 22 | 2♣ | ♠10 | -1 | +3 |
| -0.5 | Round 4 | FRANCE WOMEN | 18 | 4♠ | ♠J | +1 | +0 |
| -0.9 | Round 5 | TURKIYE SENIORS | 12 | 4♠ | ♠3 | = | +0 |
| -1.3 | Round 7 | VENTIN | 8 | 4♠ | ♦8 | -3 | +6 |
| -1.4 | Round 4 | FRANCE WOMEN | 17 | 4♠ | ♦2 | -2 | +0 |
| -1.6 | Round 5 | TURKIYE SENIORS | 3 | 2♥ | ♦K | = | -6 |
| -1.7 | Round 7 | VENTIN | 5 | 4♥ | ♥A | = | +0 |
| -2.2 | Round 4 | FRANCE WOMEN | 16 | 3NT | ♠7 | +1 | +0 |
| -2.2 | Round 8 | CHILE MIXTO | 15 | 2♣x | ♣5 | -1 | -11 |
| -2.3 | Round 8 | CHILE MIXTO | 17 | 3♠ | ♣3 | -2 | +0 |
| -2.6 | Round 5 | TURKIYE SENIORS | 2 | 1NT | ♣Q | -4 | -8 |
| -3.4 | Round 4 | FRANCE WOMEN | 13 | 4♠ | ♦7 | +3 | -2 |
| -4.0 | Round 4 | FRANCE WOMEN | 21 | 4♠x | ♥K | -1 | -6 |
| -4.4 | Round 7 | VENTIN | 9 | 4♠ | ♦10 | +3 | -2 |
| -4.5 | Round 7 | VENTIN | 11 | 2NT | ♦4 | -2 | -6 |
| -4.8 | Round 8 | CHILE MIXTO | 18 | 3NT | ♥8 | = | -5 |
| -4.9 | Round 8 | CHILE MIXTO | 13 | 4♠ | ♦K | = | +0 |
| -5.7 | Round 8 | CHILE MIXTO | 16 | 3NT | ♥2 | -1 | -5 |
| -6.2 | Round 8 | CHILE MIXTO | 19 | 2NT | ♥5 | -5 | -4 |
| -9.4 | Round 7 | VENTIN | 12 | 4♠x | ♦2 | = | -10 |
| -13.9 | Round 7 | VENTIN | 7 | 2♥x | ♥8 | -4 | -14 |