🇹🇼 CHENG Yung-Yun · CHINESE TAIPEI U31
33rank
+4.5net boards · 48 bds
54.7%board-a-match
±0.5swing
by round
Bidding activity — not a pass: 45.3% (62/137)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Net | BAM% |
|---|---|---|---|---|---|---|
| Round 1 | C.Chiang | Y.Huang – A.Yeung | Open | 2 | +0.1 | 52.5% |
| Round 2 | C.Chiang | L.Fan – Y.Chung | Closed | 2 | -1.2 | 20.0% |
| Round 3 | C.Chiang | H.Cork – A.Zeman | Closed | 2 | +0.7 | 67.5% |
| Round 4 | C.Chiang | L.Hakvoort – P.Ter Maat | Closed | 2 | -0.7 | 32.5% |
| Round 5 | C.Chiang | T.Pejacsevich – B.Alberti Carcabelos | Closed | 2 | +0.6 | 65.0% |
| Round 6 | C.Chiang | N.Tiscornia Biaus – I.Miquelez Caballero | Closed | 2 | +1.9 | 97.5% |
| Round 7 | C.Chiang | P.Phansamdaeng – P.Kongngern | Closed | 2 | +0.6 | 65.0% |
| Round 8 | C.Chiang | E.Su – K.Sullivan | Closed | 2 | +0.3 | 57.5% |
| Round 9 | C.Chiang | D.Brandgaard – D.Tylvad | Closed | 2 | +0.5 | 62.5% |
| Round 10 | C.Chiang | T.Chowdhury – T.Rodrigues | Closed | 2 | +0.4 | 60.0% |
| Round 11 | C.Chiang | C.Bens – M.Chanal | Closed | 2 | -0.3 | 42.5% |
| Round 12 | C.Chiang | N.Davila – B.Perez | Closed | 2 | +0.1 | 52.5% |
| Round 13 | C.Chiang | W.Wnuk – J.Kot | Closed | 2 | +0.0 | 50.0% |
| Round 14 | C.Chiang | C.Baumgart – E.Aga | Closed | 2 | -1.2 | 20.0% |
| Round 15 | C.Chiang | T.Chen – C.Chen | Closed | 2 | +1.5 | 87.5% |
| Round 16 | C.Chiang | E.Petraki – I.Papaspyrou | Closed | 2 | -0.8 | 30.0% |
| Round 17 | C.Chiang | D.Lee – S.Wu | Closed | 2 | +0.8 | 70.0% |
| Round 18 | C.Chiang | D.Rahayu – D.Nobira | Closed | 2 | +0.3 | 57.5% |
| Round 19 | C.Chiang | J.Udomsrirungruang – M.Johnstone | Closed | 2 | +0.8 | 70.0% |
| Round 20 | C.Chiang | N.Bens – C.Bouton | Closed | 2 | +0.5 | 62.5% |
| Round 21 | C.Chiang | L.To – A.Seto | Closed | 2 | +0.5 | 62.5% |
| Round 22 | C.Chiang | D.Banerjee – S.Ballav | Closed | 2 | +0.1 | 52.5% |
| Round 23 | C.Chiang | J.Middleton – A.Huang | Closed | 2 | -0.1 | 47.5% |
| Round 24 | C.Chiang | T.Langdon Macmillan – T.Gold | Open | 2 | -0.9 | 27.5% |
Every board — best board-a-match first↑ top
| BAM% | Round | Opponents | Bd | Contract | Lead | Res |
|---|---|---|---|---|---|---|
| 100.0% | Round 6 | 🇦🇷 ARGENTINA U31 | 12 | 5♦xx | ♣7 | = |
| 100.0% | Round 17 | BANANA | 1 | 4♥ | ♠A | -5 |
| 95.0% | Round 6 | 🇦🇷 ARGENTINA U31 | 11 | 3NT | ♦2 | = |
| 95.0% | Round 7 | 🇹🇭 THAILAND U26 | 13 | 4♠ | ♦K | -2 |
| 95.0% | Round 15 | 🇹🇼 CHINESE TAIPEI U21 | 30 | 4♥ | ♣8 | +2 |
| 85.0% | Round 5 | 🇺🇾 URUGUAY | 9 | 2NT | ♣6 | +1 |
| 85.0% | Round 8 | 🇺🇸 USA2U26W | 16 | 4♦x | ♠9 | -3 |
| 85.0% | Round 10 | 🇮🇳 INDIA 1 | 20 | 4♥ | ♠7 | -1 |
| 85.0% | Round 13 | 🇵🇱 POLAND U21 | 25 | 2♦ | ♥A | +1 |
| 80.0% | Round 3 | WE SHALL NOT PASS | 5 | 2♠ | ♥T | -1 |
| 80.0% | Round 15 | 🇹🇼 CHINESE TAIPEI U21 | 29 | 2♠ | ♣7 | +1 |
| 70.0% | Round 9 | 🇩🇰 DENMARK U26 | 17 | 4♦ | ♥5 | = |
| 70.0% | Round 12 | 🇨🇱 CHILE PAL CAPPUCCINO | 23 | 2♠ | ♦T | +1 |
| 70.0% | Round 19 | HAPPY BRIDGING | 5 | 3NT | ♣7 | +1 |
| 70.0% | Round 19 | HAPPY BRIDGING | 6 | 1NT | ♠4 | +1 |
| 65.0% | Round 1 | U31 USA2 | 1 | 1NT | ♦3 | = |
| 65.0% | Round 11 | 🇫🇷 FRANCE U21 | 22 | 3♦ | ♥6 | = |
| 65.0% | Round 20 | LES AVIONS DE CHASSE | 8 | 3NT | ♣3 | +1 |
| 65.0% | Round 21 | HKG CHINA U26 | 9 | 4♠ | ♦Q | = |
| 65.0% | Round 22 | 🇮🇳 INDIA 3 | 12 | 4♥ | ♠K | = |
| 65.0% | Round 23 | 🏴 SCOTLAND | 14 | 4♥x | ♣A | -1 |
| 60.0% | Round 18 | METAFORSA | 3 | 6♥ | ♠7 | +1 |
| 60.0% | Round 20 | LES AVIONS DE CHASSE | 7 | 4♠ | ♦Q | +1 |
| 60.0% | Round 21 | HKG CHINA U26 | 10 | 3NT | ♥6 | = |
| 55.0% | Round 3 | WE SHALL NOT PASS | 6 | 2♠ | ♥A | -1 |
| 55.0% | Round 9 | 🇩🇰 DENMARK U26 | 18 | 2♥ | ♠6 | -1 |
| 55.0% | Round 18 | METAFORSA | 4 | 3♦ | ♥8 | = |
| 50.0% | Round 24 | 🇦🇺 AUSTRALIA U21 | 15 | 1NT | ♠6 | -1 |
| 45.0% | Round 5 | 🇺🇾 URUGUAY | 10 | 4♥ | ♦7 | +3 |
| 40.0% | Round 1 | U31 USA2 | 2 | 5♥x | ♠7 | -1 |
| 40.0% | Round 17 | BANANA | 2 | 2♥ | ♦2 | +3 |
| 40.0% | Round 22 | 🇮🇳 INDIA 3 | 11 | 4♠x | ♣6 | -2 |
| 35.0% | Round 4 | 🇳🇱 NETHERLANDS U21 | 7 | 4♥ | ♦T | +1 |
| 35.0% | Round 7 | 🇹🇭 THAILAND U26 | 14 | 5♦ | ♠T | = |
| 35.0% | Round 10 | 🇮🇳 INDIA 1 | 19 | 4♠ | ♠9 | +1 |
| 35.0% | Round 12 | 🇨🇱 CHILE PAL CAPPUCCINO | 24 | 4♠x | ♥9 | -2 |
| 35.0% | Round 16 | 🇬🇷 GREECE | 32 | 3NT | ♥J | +1 |
| 30.0% | Round 4 | 🇳🇱 NETHERLANDS U21 | 8 | 2♥ | ♦7 | = |
| 30.0% | Round 8 | 🇺🇸 USA2U26W | 15 | 3♥ | ♦T | -1 |
| 30.0% | Round 14 | PARTNERS IN CRIME | 27 | 3♦ | ♠J | +2 |
| 30.0% | Round 23 | 🏴 SCOTLAND | 13 | 2♠ | ♣A | = |
| 25.0% | Round 2 | HKG CHINA U26W | 4 | 3♦ | ♠2 | +1 |
| 25.0% | Round 16 | 🇬🇷 GREECE | 31 | 3NT | ♠J | = |
| 20.0% | Round 11 | 🇫🇷 FRANCE U21 | 21 | 3NT | ♦4 | = |
| 15.0% | Round 2 | HKG CHINA U26W | 3 | 3NT | ♣7 | -2 |
| 15.0% | Round 13 | 🇵🇱 POLAND U21 | 26 | 1NT | ♣3 | -1 |
| 10.0% | Round 14 | PARTNERS IN CRIME | 28 | 2♥ | ♣K | = |
| 5.0% | Round 24 | 🇦🇺 AUSTRALIA U21 | 16 | 3♥x | ♠Q | -2 |