CHEN Yunlong · CHINA OPEN
vs par split: bidding +0.03 · play +0.57
Strength of schedule: opponents averaged -0.03/bd (an average draw) → opponent-adjusted +0.30/bd
Card play — on target: opening leads 85.7% #116 of 551 · declarer play 84.2% #88 of 551 · defence 85.7% #231 of 553
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (4) | 66.7% (3) |
| Declarer play | 75.0% (4) | 86.7% (15) |
| Defence | 85.7% (7) | 85.7% (7) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 75.0% (4)
vs par by strain: NT +1.92 (12) · a suit +0.04 (28)
vs par by level: part-score +0.79 (19) · game -0.10 (20) · slam +11.00 (1)
By role: declaring +0.89/bd (-0.46 vs par · 26) · defending -0.72/bd (+2.57 vs par · 14)
By vulnerability: vulnerable +0.02/bd (-0.58 vs par · 19) · not vulnerable +0.60/bd (+1.67 vs par · 21)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | J.Zhao | T.Hanlon – H.Mcgann | Open | 10 | +17.1 | +1.71 | +1.00 |
| Round 4 | J.Zhao | E.Rynning – F.Brandsnes | Closed | 10 | -9.9 | -0.99 | -2.30 |
| Round 5 | J.Zhao | G.Matushko – J.Khokhlov | Closed | 10 | +2.4 | +0.24 | +2.40 |
| Round 9 | J.Zhao | D.Nikolenkov – S.Magnusson | Closed | 10 | +3.3 | +0.33 | +1.30 |
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 |
|---|---|---|---|---|---|---|---|
| +7.3 | Round 9 | SWITZERLAND OPEN | 23 | 3NT | ♥4 | +3 | +12 |
| +7.1 | Round 4 | ATLANTIC | 9 | 3NT | ♠5 | = | +0 |
| +6.5 | Round 3 | MORAN | 28 | 4♠x | ♣8 | = | +5 |
| +5.6 | Round 5 | KHIUPPENEN | 17 | 2♦x | ♠J | -2 | +5 |
| +5.5 | Round 3 | MORAN | 29 | 4♥ | ♠9 | +1 | +4 |
| +3.5 | Round 3 | MORAN | 27 | 2♥ | ♥6 | -1 | +9 |
| +3.5 | Round 9 | SWITZERLAND OPEN | 30 | 4♠ | ♦K | = | +0 |
| +3.0 | Round 5 | KHIUPPENEN | 15 | 1NT | ♠3 | -1 | +5 |
| +2.8 | Round 4 | ATLANTIC | 1 | 1NT | ♣6 | = | +5 |
| +2.1 | Round 5 | KHIUPPENEN | 13 | 4♠ | ♠2 | +1 | +0 |
| +2.1 | Round 5 | KHIUPPENEN | 16 | 3♥ | ♦6 | = | +0 |
| +2.0 | Round 5 | KHIUPPENEN | 19 | 3♥ | ♠Q | = | +1 |
| +1.8 | Round 4 | ATLANTIC | 7 | 3NT | ♥K | = | -2 |
| +1.8 | Round 9 | SWITZERLAND OPEN | 26 | 3♥ | ♠K | +1 | +7 |
| +1.7 | Round 3 | MORAN | 21 | 3♥ | ♦Q | = | +0 |
| +1.7 | Round 3 | MORAN | 25 | 2♠ | ♥Q | -1 | -1 |
| +1.5 | Round 9 | SWITZERLAND OPEN | 28 | 3♦ | ♥3 | -1 | +5 |
| +1.4 | Round 5 | KHIUPPENEN | 12 | 4♠ | ♥Q | +2 | +1 |
| +1.1 | Round 3 | MORAN | 24 | 4♠ | ♠9 | +2 | +2 |
| +0.7 | Round 3 | MORAN | 22 | 1NT | ♣6 | +1 | -10 |
| +0.6 | Round 9 | SWITZERLAND OPEN | 25 | 3♠ | ♣J | +1 | +1 |
| +0.6 | Round 9 | SWITZERLAND OPEN | 29 | 3NT | ♠5 | +1 | +0 |
| +0.2 | Round 4 | ATLANTIC | 10 | 4♠ | ♦2 | = | +0 |
| +0.1 | Round 9 | SWITZERLAND OPEN | 27 | 4♥ | ♠J | +1 | +0 |
| -0.6 | Round 3 | MORAN | 26 | 3♣ | ♦K | = | -1 |
| -1.3 | Round 3 | MORAN | 30 | 3♥ | ♦6 | -1 | +2 |
| -1.3 | Round 4 | ATLANTIC | 2 | 2♦ | ♣8 | = | -11 |
| -1.3 | Round 4 | ATLANTIC | 4 | 1NT | ♦4 | +1 | -1 |
| -1.3 | Round 4 | ATLANTIC | 6 | 2♥ | ♠6 | -3 | -2 |
| -1.4 | Round 5 | KHIUPPENEN | 14 | 3NT | ♥Q | +2 | +11 |
| -1.7 | Round 3 | MORAN | 23 | 3♦ | ♣8 | +1 | +0 |
| -1.7 | Round 5 | KHIUPPENEN | 18 | 4♥ | ♣J | +1 | -1 |
| -2.8 | Round 9 | SWITZERLAND OPEN | 21 | 1NT | ♥9 | +1 | +1 |
| -2.8 | Round 9 | SWITZERLAND OPEN | 22 | 4♠ | ♦Q | -1 | +0 |
| -3.0 | Round 4 | ATLANTIC | 3 | 4♠ | ♠10 | +2 | -11 |
| -3.1 | Round 4 | ATLANTIC | 8 | 6♠ | ♥K | +1 | +11 |
| -4.1 | Round 5 | KHIUPPENEN | 11 | 3NT | ♠9 | = | +0 |
| -6.5 | Round 9 | SWITZERLAND OPEN | 24 | 5♥x | ♠6 | -1 | -13 |
| -6.6 | Round 5 | KHIUPPENEN | 20 | 3NT | ♠4 | = | +2 |
| -11.8 | Round 4 | ATLANTIC | 5 | 5♣x | ♦A | -3 | -12 |