CHEN Cian-Han · CHINESE TAIPEI U21
vs par split: bidding +0.90 · play -0.33
Strength of schedule: opponents averaged +0.26/bd (a tough draw) → opponent-adjusted +0.29/bd
Card play — on target: opening leads 100.0% #1 of 89 · declarer play 85.7% #25 of 89 · defence 62.5% #84 of 89
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 100.0% (3) |
| Declarer play | 100.0% (1) | 83.3% (6) |
| Defence | 42.9% (7) | 77.8% (9) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (1) · ♦ 100.0% (2) · ♣ 100.0% (1)
vs par by strain: NT +1.67 (9) · a suit +0.10 (21)
vs par by level: part-score +1.00 (14) · game +0.87 (15) · slam -10.00 (1)
By role: declaring +0.62/bd (-0.86 vs par · 14) · defending -0.49/bd (+1.81 vs par · 16)
By vulnerability: vulnerable -0.45/bd (-0.57 vs par · 14) · not vulnerable +0.44/bd (+1.56 vs par · 16)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | X.Lin | R.Barnett – R.Sinclair | Closed | 6 | +10.9 | +1.82 | +0.67 |
| Round 2 | X.Lin | T.Furness – L.Norman | Closed | 6 | -7.3 | -1.22 | -2.17 |
| Round 5 | X.Lin | O.Farwig – J.Faupel | Closed | 6 | -12.4 | -2.07 | +3.00 |
| Round 6 | X.Lin | M.Lysek – A.Pyszko | Open | 6 | +10.2 | +1.70 | +1.50 |
| Round 8 | X.Lin | F.Kurlit – K.Kuflowski | Open | 6 | -0.6 | -0.10 | -0.17 |
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 |
|---|---|---|---|---|---|---|---|
| +8.0 | Round 6 | CZECH REPUBLIC A | 1 | 3♥ | ♠K | = | +10 |
| +7.1 | Round 8 | CKIS SKAWINA U18 | 17 | 3NT | ♦6 | -1 | +11 |
| +5.2 | Round 1 | THE MULTI LANDONERS | 4 | 3♣ | ♠2 | = | -1 |
| +4.9 | Round 6 | CZECH REPUBLIC A | 5 | 1NT | ♠K | -2 | +7 |
| +4.5 | Round 2 | U21 ENGLAND | 7 | 4♠ | ♣A | = | +0 |
| +3.7 | Round 5 | GERMANY U21 | 30 | 4♥ | ♣A | -1 | +10 |
| +3.7 | Round 6 | CZECH REPUBLIC A | 6 | 3NT | ♥A | +1 | +1 |
| +3.2 | Round 1 | THE MULTI LANDONERS | 1 | 3♦ | ♠A | +1 | +0 |
| +1.9 | Round 1 | THE MULTI LANDONERS | 6 | 3♦ | ♣4 | -1 | +7 |
| +1.9 | Round 2 | U21 ENGLAND | 12 | 3♥ | ♥4 | = | +6 |
| +1.8 | Round 8 | CKIS SKAWINA U18 | 16 | 3NT | ♦K | = | +3 |
| +1.5 | Round 1 | THE MULTI LANDONERS | 5 | 3♠ | ♥3 | -1 | -1 |
| +1.2 | Round 1 | THE MULTI LANDONERS | 3 | 5♣ | ♦K | -2 | -1 |
| +0.7 | Round 6 | CZECH REPUBLIC A | 4 | 1NT | ♦2 | -2 | +2 |
| +0.4 | Round 6 | CZECH REPUBLIC A | 3 | 4♠ | ♦K | -2 | -1 |
| +0.4 | Round 8 | CKIS SKAWINA U18 | 18 | 4♥ | ♦J | = | +0 |
| -1.0 | Round 5 | GERMANY U21 | 28 | 1NT | ♠3 | +2 | -1 |
| -1.5 | Round 5 | GERMANY U21 | 29 | 3♣ | ♥Q | +1 | +0 |
| -1.8 | Round 8 | CKIS SKAWINA U18 | 14 | 1♠ | ♣A | +1 | +0 |
| -1.9 | Round 2 | U21 ENGLAND | 8 | 4♥ | ♦K | = | +0 |
| -1.9 | Round 2 | U21 ENGLAND | 9 | 4♠ | ♥7 | = | +0 |
| -1.9 | Round 8 | CKIS SKAWINA U18 | 15 | 2♥ | ♣Q | = | +0 |
| -2.1 | Round 1 | THE MULTI LANDONERS | 2 | 2♥ | ♦J | +1 | +0 |
| -2.1 | Round 5 | GERMANY U21 | 25 | 5♣ | ♦Q | = | +11 |
| -2.1 | Round 5 | GERMANY U21 | 27 | 3NT | ♥3 | +3 | -1 |
| -4.6 | Round 2 | U21 ENGLAND | 10 | 4♠ | ♦7 | -2 | -13 |
| -5.3 | Round 2 | U21 ENGLAND | 11 | 3NT | ♠Q | = | -6 |
| -6.2 | Round 8 | CKIS SKAWINA U18 | 13 | 4♦ | ♠2 | +1 | -15 |
| -7.5 | Round 6 | CZECH REPUBLIC A | 2 | 6♦ | ♥K | -1 | -10 |
| -9.4 | Round 5 | GERMANY U21 | 26 | 3NT | ♠J | +2 | -1 |