CHEN Yichao · ORG
vs par split: bidding +0.45 · play -0.55
Strength of schedule: opponents averaged -0.21/bd (an easy draw) → opponent-adjusted -0.55/bd
Card play — on target: opening leads 78.6% #287 of 518 · declarer play 84.6% #87 of 517 · defence 69.0% #501 of 518
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (2) | 83.3% (12) |
| Declarer play | 75.0% (4) | 88.9% (9) |
| Defence | 44.4% (9) | 80.0% (20) |
Opening leads by suit led: ♠ 60.0% (5) · ♥ 100.0% (3) · ♦ 100.0% (3) · ♣ 66.7% (3)
vs par by strain: NT +1.20 (20) · a suit -0.75 (40)
vs par by level: part-score -0.71 (21) · game +0.24 (37) · slam +0.00 (2)
By role: declaring -0.77/bd (-2.10 vs par · 31) · defending +0.14/bd (+2.03 vs par · 29)
By vulnerability: vulnerable -0.42/bd (-1.67 vs par · 30) · not vulnerable -0.24/bd (+1.47 vs par · 30)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | B.Fu | T.Maccormac – D.Lombardini | Closed | 10 | -2.8 | -0.28 | -1.20 |
| Round 2 | B.Fu | V.Tagliaferri – F.Hugony | Open | 10 | -35.3 | -3.53 | -2.50 |
| Round 4 | B.Fu | G.Greenberg – B.Moss | Closed | 10 | -3.1 | -0.31 | -2.00 |
| Round 5 | B.Fu | T.Verbeek – H.Levi | Open | 10 | +1.2 | +0.12 | +0.50 |
| Round 8 | B.Fu | S.Thakral – N.Khandheria | Closed | 10 | -5.9 | -0.59 | +0.00 |
| Round 9 | B.Fu | L.Ferreira – F.Kladt | Closed | 10 | +26.1 | +2.61 | +4.60 |
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 |
|---|---|---|---|---|---|---|---|
| +12.7 | Round 9 | LIS | 19 | 5♣x | ♥Q | -4 | +12 |
| +11.3 | Round 9 | LIS | 12 | 4♠ | ♥A | +1 | +15 |
| +10.1 | Round 1 | GREAT AM BRIDGE TOUR | 7 | 2♦x | ♠8 | -2 | +9 |
| +8.0 | Round 4 | MOSS | 20 | 3NT | ♣4 | = | +10 |
| +4.7 | Round 1 | GREAT AM BRIDGE TOUR | 9 | 3NT | ♣2 | +1 | +10 |
| +4.2 | Round 5 | PDC | 22 | 3NT | ♣10 | = | +10 |
| +3.8 | Round 8 | FORMIDABLES | 8 | 2♣ | ♣J | -3 | +7 |
| +3.5 | Round 5 | PDC | 30 | 4♠x | ♥3 | -3 | +2 |
| +3.5 | Round 9 | LIS | 14 | 5♠x | ♦4 | -2 | +5 |
| +2.7 | Round 1 | GREAT AM BRIDGE TOUR | 1 | 2♠ | ♥A | -2 | +5 |
| +2.7 | Round 8 | FORMIDABLES | 2 | 5♦ | ♥K | -1 | +12 |
| +2.6 | Round 8 | FORMIDABLES | 6 | 3NT | ♠3 | +1 | +10 |
| +2.5 | Round 5 | PDC | 28 | 1NT | ♠3 | -2 | +2 |
| +2.2 | Round 4 | MOSS | 17 | 3NT | ♣2 | +3 | +2 |
| +2.1 | Round 2 | KEY LIME PIE | 17 | 5♦ | ♠7 | -1 | +8 |
| +2.1 | Round 5 | PDC | 26 | 6♠ | ♥A | = | +0 |
| +1.9 | Round 1 | GREAT AM BRIDGE TOUR | 5 | 3♠ | ♥Q | = | +0 |
| +1.8 | Round 8 | FORMIDABLES | 10 | 3NT | ♠4 | -2 | +9 |
| +1.6 | Round 8 | FORMIDABLES | 5 | 2♠ | ♠A | +3 | +2 |
| +1.5 | Round 4 | MOSS | 14 | 4♦ | ♣K | -1 | +4 |
| +1.5 | Round 5 | PDC | 27 | 2NT | ♠4 | = | +0 |
| +0.4 | Round 2 | KEY LIME PIE | 20 | 5♥ | ♠3 | = | +0 |
| +0.4 | Round 9 | LIS | 16 | 4♠ | ♦5 | +1 | +0 |
| +0.2 | Round 5 | PDC | 24 | 2♠ | ♦3 | +1 | +7 |
| +0.2 | Round 9 | LIS | 13 | 3NT | ♠J | -1 | +6 |
| +0.1 | Round 2 | KEY LIME PIE | 11 | 2♠ | ♥9 | +1 | -4 |
| -0.1 | Round 4 | MOSS | 18 | 4♣ | ♥Q | -2 | +1 |
| -0.1 | Round 9 | LIS | 20 | 1NT | ♦5 | +1 | -1 |
| -0.3 | Round 1 | GREAT AM BRIDGE TOUR | 4 | 4♠ | ♦4 | +1 | +0 |
| -0.3 | Round 2 | KEY LIME PIE | 18 | 2♦ | ♠9 | -1 | -1 |
| -0.3 | Round 9 | LIS | 17 | 4♥ | ♣J | +1 | +10 |
| -0.5 | Round 4 | MOSS | 19 | 3♥ | ♠2 | +1 | -8 |
| -0.5 | Round 9 | LIS | 11 | 4♠ | ♦8 | +1 | +0 |
| -0.5 | Round 9 | LIS | 15 | 4♠ | ♥A | +1 | +0 |
| -0.6 | Round 4 | MOSS | 11 | 1NT | ♦5 | +1 | +0 |
| -0.6 | Round 9 | LIS | 18 | 3NT | ♣3 | +2 | -1 |
| -0.7 | Round 2 | KEY LIME PIE | 16 | 3NT | ♥10 | +1 | +0 |
| -0.8 | Round 4 | MOSS | 12 | 2NT | ♣J | = | -1 |
| -1.0 | Round 1 | GREAT AM BRIDGE TOUR | 2 | 4♠ | ♠4 | = | +0 |
| -1.0 | Round 8 | FORMIDABLES | 7 | 2♠ | ♦10 | +2 | -10 |
| -1.3 | Round 1 | GREAT AM BRIDGE TOUR | 6 | 4♥x | ♠10 | -3 | -4 |
| -1.7 | Round 2 | KEY LIME PIE | 13 | 4♠ | ♣7 | = | -13 |
| -1.9 | Round 4 | MOSS | 16 | 3♣ | ♠3 | -1 | -12 |
| -1.9 | Round 8 | FORMIDABLES | 1 | 3NT | ♥4 | +1 | +0 |
| -2.2 | Round 5 | PDC | 21 | 1NT | ♥4 | -1 | -4 |
| -2.5 | Round 2 | KEY LIME PIE | 19 | 3♠ | ♥9 | -1 | -5 |
| -2.9 | Round 8 | FORMIDABLES | 4 | 5♥x | ♣A | -1 | -9 |
| -3.1 | Round 5 | PDC | 23 | 4♥ | ♣5 | -1 | -6 |
| -3.6 | Round 1 | GREAT AM BRIDGE TOUR | 10 | 3♦ | ♠A | = | -6 |
| -3.6 | Round 5 | PDC | 29 | 3NT | ♦10 | +1 | +0 |
| -3.9 | Round 5 | PDC | 25 | 4♥ | ♠3 | = | -6 |
| -4.8 | Round 2 | KEY LIME PIE | 12 | 4♠ | ♣10 | +1 | -11 |
| -4.8 | Round 4 | MOSS | 15 | 3NT | ♥5 | -2 | -5 |
| -5.0 | Round 1 | GREAT AM BRIDGE TOUR | 8 | 5♦ | ♣7 | -1 | -10 |
| -5.1 | Round 8 | FORMIDABLES | 9 | 3NT | ♥4 | -1 | -12 |
| -6.1 | Round 4 | MOSS | 13 | 3NT | ♦9 | +1 | -11 |
| -7.5 | Round 8 | FORMIDABLES | 3 | 4♥ | ♠5 | -3 | -9 |
| -11.0 | Round 1 | GREAT AM BRIDGE TOUR | 3 | 4♠ | ♣J | -3 | -16 |
| -13.3 | Round 2 | KEY LIME PIE | 14 | 4♠x | ♣3 | -6 | +1 |
| -14.6 | Round 2 | KEY LIME PIE | 15 | 6♣ | ♠K | = | +0 |