DENG Cheng · SX XMXW
vs par split: bidding +0.32 · play +0.58
Strength of schedule: opponents averaged +0.15/bd (a tough draw) → opponent-adjusted -0.11/bd
Card play — on target: opening leads 72.7% #32 of 39 · declarer play 92.3% #6 of 39 · defence 82.9% #28 of 39
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 72.2% (18) |
| Declarer play | 100.0% (3) | 90.0% (10) |
| Defence | 75.0% (12) | 86.2% (29) |
Opening leads by suit led: ♠ 50.0% (4) · ♥ 87.5% (8) · ♦ 60.0% (5) · ♣ 80.0% (5)
vs par by strain: NT +1.29 (21) · a suit +0.73 (48)
vs par by level: part-score +1.10 (29) · game +1.15 (34) · slam -1.50 (6)
By role: declaring +1.53/bd (-0.57 vs par · 28) · defending -1.47/bd (+1.95 vs par · 42)
By vulnerability: vulnerable -0.35/bd (+1.26 vs par · 34) · not vulnerable -0.19/bd (+0.64 vs par · 36)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Z.Yu | P.Pabst – S.Van Oosten | Closed | 10 | -16.2 | -1.62 | +0.00 |
| Round 2 | Z.Yu | Z.Zhou – Z.Wang | Closed | 10 | -4.1 | -0.41 | -2.50 |
| Round 3 | H.Liu | P.Jasinski – K.Baczek | Closed | 10 | +4.3 | +0.43 | +2.80 |
| Round 4 | Z.Yu | M.Grguric – K.Stefanec | Closed | 10 | +9.0 | +0.90 | +3.80 |
| Round 5 | H.Liu | H.Cai – J.Wang | Closed | 10 | +12.7 | +1.27 | +2.10 |
| Round 6 | Z.Yu | A.Gaiotti – F.Chiarandini | Closed | 10 | -15.3 | -1.53 | -0.80 |
| Round 7 | Z.Yu | Z.Wang – D.Fang | Closed | 10 | -9.2 | -0.92 | +1.20 |
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 |
|---|---|---|---|---|---|---|---|
| +12.6 | Round 5 | 🇨🇳 CHINA RDFZ2 | 18 | 2♥x | ♣A | -3 | +12 |
| +8.0 | Round 7 | 🇨🇳 CHINA | 10 | 6♥ | ♠4 | -1 | +13 |
| +7.6 | Round 4 | 🇭🇷 CROATIA | 8 | 3NT | ♥4 | +4 | +9 |
| +7.6 | Round 5 | 🇨🇳 CHINA RDFZ2 | 20 | 4NT | ♠9 | -2 | +13 |
| +5.7 | Round 2 | 🇨🇳 CHINA RDFZ1 | 20 | 5♠ | ♦10 | = | +1 |
| +5.7 | Round 7 | 🇨🇳 CHINA | 8 | 4NT | ♥J | +2 | +11 |
| +4.7 | Round 6 | 🇮🇹 ITALIA | 30 | 4♠ | ♦8 | = | +0 |
| +4.3 | Round 3 | AZS UW VYCESKA | 29 | 5♣ | ♠A | -2 | +8 |
| +4.3 | Round 5 | 🇨🇳 CHINA RDFZ2 | 15 | 1♠ | ♦Q | +1 | +11 |
| +4.0 | Round 2 | 🇨🇳 CHINA RDFZ1 | 14 | 4♠ | ♥3 | = | -1 |
| +3.9 | Round 1 | 🇩🇪 GERMANY | 7 | 4♠ | ♦A | -2 | +8 |
| +3.6 | Round 5 | 🇨🇳 CHINA RDFZ2 | 12 | 6NT | ♦3 | +1 | -11 |
| +3.4 | Round 7 | 🇨🇳 CHINA | 9 | 7♥ | ♦4 | = | +0 |
| +3.3 | Round 3 | AZS UW VYCESKA | 26 | 4♠ | ♣6 | = | +0 |
| +3.1 | Round 3 | AZS UW VYCESKA | 21 | 2NT | ♠6 | = | +6 |
| +3.1 | Round 4 | 🇭🇷 CROATIA | 4 | 2♠ | ♥A | +2 | +10 |
| +3.0 | Round 4 | 🇭🇷 CROATIA | 7 | Pass | +4 | ||
| +2.3 | Round 3 | AZS UW VYCESKA | 25 | 3♠ | ♥6 | -1 | +5 |
| +2.3 | Round 7 | 🇨🇳 CHINA | 4 | 5♣ | ♠10 | -1 | +3 |
| +2.1 | Round 1 | 🇩🇪 GERMANY | 9 | 2NT | ♥K | +1 | +0 |
| +2.0 | Round 4 | 🇭🇷 CROATIA | 1 | 2♦ | ♣4 | = | +5 |
| +2.0 | Round 5 | 🇨🇳 CHINA RDFZ2 | 14 | 4♠ | ♣10 | = | +11 |
| +1.9 | Round 2 | 🇨🇳 CHINA RDFZ1 | 18 | 2NT | ♥10 | = | +5 |
| +1.7 | Round 5 | 🇨🇳 CHINA RDFZ2 | 19 | 4♠ | ♥7 | +1 | +0 |
| +1.6 | Round 6 | 🇮🇹 ITALIA | 22 | 5♥x | ♠9 | -3 | +4 |
| +1.4 | Round 3 | AZS UW VYCESKA | 28 | 4♠ | ♥K | +1 | +11 |
| +1.4 | Round 6 | 🇮🇹 ITALIA | 23 | 1♠ | ♦9 | +1 | +0 |
| +1.1 | Round 1 | 🇩🇪 GERMANY | 8 | 4♣ | ♦A | -1 | +2 |
| +1.0 | Round 4 | 🇭🇷 CROATIA | 5 | 4♠ | ♣A | +1 | +0 |
| +0.9 | Round 2 | 🇨🇳 CHINA RDFZ1 | 16 | 3NT | ♠6 | -1 | -6 |
| +0.7 | Round 4 | 🇭🇷 CROATIA | 6 | 1NT | ♥3 | = | -2 |
| +0.6 | Round 6 | 🇮🇹 ITALIA | 21 | 6♥ | ♥J | +1 | -11 |
| +0.3 | Round 1 | 🇩🇪 GERMANY | 10 | 3♣ | ♥9 | = | +0 |
| +0.1 | Round 6 | 🇮🇹 ITALIA | 24 | 3NT | ♣2 | +2 | +11 |
| -0.0 | Round 2 | 🇨🇳 CHINA RDFZ1 | 11 | 3NT | ♣2 | = | +1 |
| -0.3 | Round 3 | AZS UW VYCESKA | 27 | 4♠ | ♥9 | = | +0 |
| -0.4 | Round 7 | 🇨🇳 CHINA | 2 | 2♥ | ♦J | -1 | -1 |
| -0.6 | Round 1 | 🇩🇪 GERMANY | 2 | 3♠ | ♣5 | = | +0 |
| -0.6 | Round 1 | 🇩🇪 GERMANY | 6 | 3♥ | ♣J | +1 | -6 |
| -0.9 | Round 2 | 🇨🇳 CHINA RDFZ1 | 17 | 4♥ | ♥6 | +1 | -1 |
| -1.0 | Round 3 | AZS UW VYCESKA | 22 | 2♣ | ♠A | +1 | -1 |
| -1.0 | Round 5 | 🇨🇳 CHINA RDFZ2 | 11 | 4♠ | ♦7 | = | +0 |
| -1.1 | Round 2 | 🇨🇳 CHINA RDFZ1 | 19 | 2♥ | ♠J | -2 | -3 |
| -1.3 | Round 3 | AZS UW VYCESKA | 30 | 3♦ | ♠A | +1 | +0 |
| -1.3 | Round 5 | 🇨🇳 CHINA RDFZ2 | 13 | 1NT | ♦5 | -1 | -1 |
| -1.4 | Round 4 | 🇭🇷 CROATIA | 2 | 3♦ | ♣6 | = | +1 |
| -1.4 | Round 4 | 🇭🇷 CROATIA | 3 | 2♦ | ♠3 | -1 | +0 |
| -1.4 | Round 6 | 🇮🇹 ITALIA | 26 | 4♠ | ♥10 | = | +0 |
| -1.7 | Round 7 | 🇨🇳 CHINA | 5 | 3NT | ♠Q | = | +1 |
| -2.1 | Round 1 | 🇩🇪 GERMANY | 1 | 2NT | ♥4 | -1 | +2 |
| -2.4 | Round 2 | 🇨🇳 CHINA RDFZ1 | 15 | 3♦x | ♥A | -2 | -10 |
| -2.6 | Round 4 | 🇭🇷 CROATIA | 9 | 3NT | ♣K | = | +11 |
| -2.7 | Round 6 | 🇮🇹 ITALIA | 25 | 3NT | ♠9 | +1 | -11 |
| -2.9 | Round 3 | AZS UW VYCESKA | 23 | 3♠ | ♣A | -1 | +6 |
| -3.0 | Round 4 | 🇭🇷 CROATIA | 10 | 4♠ | ♣K | +1 | +0 |
| -3.0 | Round 7 | 🇨🇳 CHINA | 7 | 5♠ | ♦9 | = | -13 |
| -3.3 | Round 2 | 🇨🇳 CHINA RDFZ1 | 13 | 1NT | ♠J | +3 | -1 |
| -3.3 | Round 6 | 🇮🇹 ITALIA | 28 | 2♥ | ♦6 | = | +0 |
| -3.4 | Round 6 | 🇮🇹 ITALIA | 27 | 2♥ | ♦10 | +1 | -1 |
| -4.4 | Round 7 | 🇨🇳 CHINA | 1 | 6♥ | ♠5 | = | +0 |
| -4.6 | Round 3 | AZS UW VYCESKA | 24 | 3♠ | ♥A | = | -7 |
| -4.9 | Round 1 | 🇩🇪 GERMANY | 3 | 3NT | ♠J | = | +1 |
| -6.4 | Round 1 | 🇩🇪 GERMANY | 4 | 2NT | ♣2 | = | +0 |
| -6.7 | Round 7 | 🇨🇳 CHINA | 3 | 3NT | ♠7 | +3 | -2 |
| -7.9 | Round 5 | 🇨🇳 CHINA RDFZ2 | 17 | 5♠x | ♥A | +1 | -7 |
| -8.9 | Round 2 | 🇨🇳 CHINA RDFZ1 | 12 | 3NT | ♣9 | = | -10 |
| -8.9 | Round 5 | 🇨🇳 CHINA RDFZ2 | 16 | 4♥ | ♠A | = | -7 |
| -9.0 | Round 1 | 🇩🇪 GERMANY | 5 | 4♠ | ♥A | = | -7 |
| -12.4 | Round 7 | 🇨🇳 CHINA | 6 | 4♠ | ♦6 | = | +0 |
| -12.9 | Round 6 | 🇮🇹 ITALIA | 29 | 6♣ | ♥9 | = | +0 |