CHEN Yichao · REIGNWOOD
vs par split: bidding +0.24 · play +0.26
Strength of schedule: opponents averaged -0.22/bd (an easy draw) → opponent-adjusted -0.19/bd
Card play — on target: opening leads 78.6% · declarer play 100.0% · defence 75.0%
Bidding activity — not a pass: 50.0% (66/132)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 81.8% (11) |
| Declarer play | 100.0% (2) | 100.0% (9) |
| Defence | 66.7% (6) | 77.8% (18) |
Opening leads by suit led: ♥ 80.0% (5) · ♦ 100.0% (4) · ♣ 60.0% (5)
vs par by strain: NT -2.60 (10) · a suit +1.47 (32)
vs par by level: part-score -0.60 (15) · game +0.92 (25) · slam +3.50 (2)
By role: declaring +0.73/bd (-0.72 vs par · 18) · defending -0.50/bd (+1.42 vs par · 24)
By vulnerability: vulnerable -0.51/bd (-1.09 vs par · 21) · not vulnerable +0.57/bd (+2.10 vs par · 21)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 5 | B.Fu | L.Berrettini – C.Laitano | Closed | 14 | -1.4 | -0.10 | +0.57 |
| Round 6 | B.Fu | B.Jenkins – B.Cohen | Open | 14 | +12.3 | +0.88 | +1.93 |
| Round 8 | B.Fu | B.Erol – P.Ergin | Closed | 14 | -9.7 | -0.69 | -1.00 |
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 |
|---|---|---|---|---|---|---|---|
| +11.7 | Round 5 | CASSIO | 10 | 6♣x | ♥K | -2 | +14 |
| +8.8 | Round 8 | MIXED TEAMS | 15 | 5♦ | ♠A | -2 | +13 |
| +7.9 | Round 6 | MIXED NUTS | 15 | 4♥ | ♣K | -1 | +10 |
| +6.4 | Round 5 | CASSIO | 8 | 5♥ | ♠4 | -1 | +8 |
| +5.1 | Round 6 | MIXED NUTS | 28 | 3NT | ♥7 | -1 | +5 |
| +4.8 | Round 6 | MIXED NUTS | 22 | 3♠ | ♣K | = | +1 |
| +4.5 | Round 8 | MIXED TEAMS | 22 | 3♥ | ♠9 | -1 | +6 |
| +3.5 | Round 5 | CASSIO | 1 | 4♥ | ♦Q | -3 | +7 |
| +2.8 | Round 6 | MIXED NUTS | 25 | 4♠ | ♦4 | +1 | +6 |
| +2.7 | Round 6 | MIXED NUTS | 17 | 3♣ | ♣A | -1 | +4 |
| +2.2 | Round 8 | MIXED TEAMS | 27 | 4♠ | ♣9 | -1 | +10 |
| +2.0 | Round 8 | MIXED TEAMS | 21 | 5♥ | ♦7 | +1 | +8 |
| +1.1 | Round 6 | MIXED NUTS | 21 | 4♠ | ♣9 | -1 | +5 |
| +1.0 | Round 6 | MIXED NUTS | 19 | 2♥ | ♦3 | -1 | +2 |
| +0.8 | Round 5 | CASSIO | 14 | 3♦ | ♠K | -1 | +3 |
| +0.8 | Round 8 | MIXED TEAMS | 16 | 2♠ | ♦3 | +1 | +1 |
| +0.7 | Round 5 | CASSIO | 11 | 4♠ | ♥A | = | +0 |
| +0.7 | Round 5 | CASSIO | 13 | 4♥ | ♠3 | +1 | +0 |
| +0.5 | Round 6 | MIXED NUTS | 18 | 4♥ | ♦6 | +2 | +11 |
| +0.4 | Round 8 | MIXED TEAMS | 24 | 1NT | ♥7 | = | +0 |
| +0.3 | Round 6 | MIXED NUTS | 27 | 3NT | ♠4 | = | +1 |
| +0.3 | Round 8 | MIXED TEAMS | 26 | 3NT | ♥2 | +3 | -13 |
| +0.2 | Round 6 | MIXED NUTS | 26 | 3♣ | ♠9 | -2 | -7 |
| +0.1 | Round 5 | CASSIO | 3 | 4♥ | ♦7 | +1 | +0 |
| +0.1 | Round 6 | MIXED NUTS | 23 | 1NT | ♠T | -2 | +9 |
| -0.3 | Round 8 | MIXED TEAMS | 18 | 4♥ | ♦3 | +3 | -12 |
| -0.5 | Round 6 | MIXED NUTS | 24 | 4♥ | ♣K | -2 | +0 |
| -0.9 | Round 8 | MIXED TEAMS | 25 | 4♥ | ♦9 | +1 | +0 |
| -1.0 | Round 8 | MIXED TEAMS | 17 | 2♠ | ♦T | +1 | -1 |
| -1.3 | Round 5 | CASSIO | 7 | 3NT | ♣7 | +4 | -3 |
| -1.6 | Round 5 | CASSIO | 5 | 2♥ | ♦A | +1 | +10 |
| -2.2 | Round 6 | MIXED NUTS | 16 | 3NT | ♠2 | -2 | -6 |
| -2.3 | Round 8 | MIXED TEAMS | 19 | 3NT | ♥4 | = | +0 |
| -2.5 | Round 5 | CASSIO | 12 | 4♣ | ♠K | -1 | -5 |
| -2.9 | Round 5 | CASSIO | 9 | 4♠ | ♣A | -1 | -5 |
| -3.1 | Round 5 | CASSIO | 4 | 3♣ | ♥A | = | -12 |
| -5.0 | Round 8 | MIXED TEAMS | 28 | 6♠x | ♥K | -3 | -7 |
| -5.9 | Round 5 | CASSIO | 6 | 5♦ | ♥2 | = | -6 |
| -7.2 | Round 8 | MIXED TEAMS | 20 | 2NT | ♠6 | = | -6 |
| -8.0 | Round 5 | CASSIO | 2 | 5♦ | ♦6 | +1 | -3 |
| -11.5 | Round 6 | MIXED NUTS | 20 | 2♥x | ♥9 | +1 | -14 |
| -12.0 | Round 8 | MIXED TEAMS | 23 | 3NTx | ♣T | = | -13 |