BUCHEN Katherine · FIFIROOS
504rank
-94.3Butler · 100 bds
-0.94per board
±4.1swing
-1.41vs par /bd · #506/518
-0.84adjusted /bd
by round
vs par split: bidding -1.90 · play +0.49
Strength of schedule: opponents averaged +0.10/bd (a tough draw) → opponent-adjusted -0.84/bd
Card play — on target: opening leads 66.7% #454 of 518 · declarer play 68.2% #384 of 517 · defence 83.0% #252 of 518
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 0.0% (4) | 85.7% (14) |
| Declarer play | 100.0% (4) | 61.1% (18) |
| Defence | 92.9% (14) | 78.8% (33) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 50.0% (4) · ♦ 60.0% (5) · ♣ 71.4% (7)
vs par by strain: NT -0.82 (33) · a suit -1.70 (67)
vs par by level: part-score -0.92 (48) · game -1.71 (49) · slam -4.33 (3)
By role: declaring -1.57/bd (-3.98 vs par · 53) · defending -0.24/bd (+1.49 vs par · 47)
By vulnerability: vulnerable -0.68/bd (-1.90 vs par · 52) · not vulnerable -1.23/bd (-0.88 vs par · 48)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | P.Buchen | W.Wang – Y.Liu | Closed | 10 | -11.5 | -1.15 | +0.60 |
| Round 2 | T.Brown | R.Roeder – L.Feldman | Open | 10 | -5.3 | -0.53 | -2.30 |
| Round 3 | T.Brown | F.Gitelman – S.Winestock | Closed | 10 | -10.8 | -1.08 | -1.00 |
| Round 4 | P.Buchen | E.Rodwell – D.Rodwell | Open | 10 | -1.7 | -0.17 | -1.90 |
| Round 5 | P.Buchen | J.Macgregor – I.Chaplet | Open | 10 | -5.4 | -0.54 | -0.40 |
| Round 6 | P.Buchen | S.Shi – K.Bathurst | Open | 10 | -19.4 | -1.94 | -3.10 |
| Round 7 | T.Brown | P.Batra – D.Majumder | Closed | 10 | -21.7 | -2.17 | -4.60 |
| Round 8 | P.Buchen | W.Zhang – Y.Chen | Open | 10 | -26.0 | -2.60 | -2.00 |
| Round 9 | P.Buchen | A.Rodney – D.Rodney | Open | 10 | +20.5 | +2.05 | +4.30 |
| Round 10 | P.Buchen | L.Madueno – J.Castillo | Open | 10 | -13.0 | -1.30 | -3.70 |
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 |
|---|---|---|---|---|---|---|---|
| +10.1 | Round 9 | RODNEY | 18 | 2NT | ♥2 | -1 | +10 |
| +7.9 | Round 4 | MECKWELL | 13 | 3NT | ♥2 | -2 | +8 |
| +7.6 | Round 2 | THE ORPHANS | 15 | 4♥ | ♣J | = | -13 |
| +6.6 | Round 4 | MECKWELL | 15 | 3NT | ♠4 | = | +7 |
| +6.1 | Round 10 | FORT LAUDERDALE CREW | 25 | 5♣x | ♠K | -4 | +5 |
| +4.9 | Round 7 | INDOJAPAN | 11 | 1NT | ♠J | +1 | +6 |
| +3.6 | Round 3 | VEGAS STRONG | 1 | 3NT | ♣10 | +1 | +7 |
| +3.4 | Round 9 | RODNEY | 15 | 5♥x | ♦8 | -4 | +4 |
| +2.9 | Round 9 | RODNEY | 13 | 3NT | ♦J | -2 | +8 |
| +2.8 | Round 1 | CFSC | 7 | 3♣ | ♦9 | -1 | +5 |
| +2.7 | Round 8 | BEAUTIFUL YAN | 2 | 3NT | ♥A | -1 | +12 |
| +2.6 | Round 9 | RODNEY | 12 | 5♥ | ♠K | -1 | +11 |
| +2.5 | Round 5 | COSTA RICA | 28 | 1NT | ♠8 | -2 | +2 |
| +2.3 | Round 5 | COSTA RICA | 26 | 6NT | ♦7 | = | +0 |
| +2.3 | Round 6 | MILLENS | 4 | 3NT | ♥2 | +1 | +0 |
| +2.3 | Round 10 | FORT LAUDERDALE CREW | 24 | 3♠ | ♠2 | -2 | +6 |
| +2.2 | Round 7 | INDOJAPAN | 13 | 4♠ | ♦7 | +1 | -13 |
| +2.0 | Round 7 | INDOJAPAN | 16 | 3NT | ♥7 | +3 | +1 |
| +2.0 | Round 9 | RODNEY | 19 | 4♥ | ♦A | = | +0 |
| +1.9 | Round 6 | MILLENS | 3 | 4♥ | ♦10 | +2 | +11 |
| +1.8 | Round 8 | BEAUTIFUL YAN | 10 | 2♠ | ♣5 | +3 | +9 |
| +1.7 | Round 5 | COSTA RICA | 21 | 1NT | ♣K | -1 | +1 |
| +1.6 | Round 4 | MECKWELL | 16 | 3♠ | ♥J | -1 | -11 |
| +1.6 | Round 6 | MILLENS | 10 | 3♦ | ♥7 | = | +0 |
| +1.6 | Round 7 | INDOJAPAN | 17 | 3♠ | ♥3 | = | -7 |
| +1.3 | Round 3 | VEGAS STRONG | 9 | 3♦ | ♠K | = | -1 |
| +1.3 | Round 8 | BEAUTIFUL YAN | 8 | 3♠ | ♣8 | -1 | +5 |
| +1.2 | Round 3 | VEGAS STRONG | 10 | 2♥ | ♥Q | = | +1 |
| +1.2 | Round 5 | COSTA RICA | 27 | 3♣ | ♠2 | = | -1 |
| +1.1 | Round 5 | COSTA RICA | 23 | 1NT | ♦5 | = | -2 |
| +1.1 | Round 5 | COSTA RICA | 25 | 3♥ | ♠4 | +1 | +1 |
| +1.0 | Round 1 | CFSC | 2 | 3NT | ♦6 | +1 | +0 |
| +1.0 | Round 4 | MECKWELL | 12 | 3♠ | ♥A | +1 | +1 |
| +0.9 | Round 7 | INDOJAPAN | 15 | 3♠ | ♥Q | -1 | -3 |
| +0.8 | Round 2 | THE ORPHANS | 11 | 2♠ | ♥9 | = | +5 |
| +0.7 | Round 2 | THE ORPHANS | 13 | 5♠ | ♣6 | = | +13 |
| +0.7 | Round 2 | THE ORPHANS | 16 | 3NT | ♦8 | +1 | +0 |
| +0.7 | Round 8 | BEAUTIFUL YAN | 3 | 1NT | ♠2 | -1 | -2 |
| +0.6 | Round 6 | MILLENS | 8 | 2♠ | ♥4 | +1 | +6 |
| +0.5 | Round 9 | RODNEY | 11 | 4♠ | ♠10 | = | +1 |
| +0.4 | Round 3 | VEGAS STRONG | 5 | 3♥ | ♠7 | +1 | -7 |
| +0.4 | Round 3 | VEGAS STRONG | 8 | 2NT | ♥3 | -1 | +8 |
| +0.4 | Round 9 | RODNEY | 16 | 4♠ | ♦7 | +1 | +0 |
| +0.3 | Round 1 | CFSC | 4 | 4♠ | ♣5 | +1 | +0 |
| +0.3 | Round 2 | THE ORPHANS | 18 | 2♦ | ♥K | -1 | +1 |
| +0.3 | Round 3 | VEGAS STRONG | 6 | 4♥ | ♣8 | = | +1 |
| +0.0 | Round 9 | RODNEY | 14 | 4♦ | ♠K | = | +1 |
| -0.1 | Round 3 | VEGAS STRONG | 3 | 3NT | ♦4 | +1 | +0 |
| -0.1 | Round 6 | MILLENS | 6 | 3NT | ♥10 | = | -2 |
| -0.2 | Round 10 | FORT LAUDERDALE CREW | 27 | 2♥ | ♣2 | = | -7 |
| -0.3 | Round 9 | RODNEY | 17 | 5♥ | ♣4 | = | +10 |
| -0.4 | Round 2 | THE ORPHANS | 20 | 4♥ | ♠6 | +1 | +0 |
| -0.5 | Round 4 | MECKWELL | 11 | 2♥ | ♦Q | = | +0 |
| -0.6 | Round 4 | MECKWELL | 17 | 3NT | ♥6 | = | -1 |
| -0.7 | Round 1 | CFSC | 3 | 5♣x | ♠A | -3 | +12 |
| -0.8 | Round 5 | COSTA RICA | 24 | 2♠ | ♥8 | +2 | +6 |
| -1.0 | Round 1 | CFSC | 10 | 3♦ | ♥6 | -1 | +1 |
| -1.0 | Round 8 | BEAUTIFUL YAN | 7 | 2♠ | ♣3 | +2 | -10 |
| -1.0 | Round 10 | FORT LAUDERDALE CREW | 21 | 2♣ | ♠Q | +2 | +0 |
| -1.1 | Round 9 | RODNEY | 20 | 1NT | ♦6 | = | -2 |
| -1.2 | Round 10 | FORT LAUDERDALE CREW | 22 | 3♥ | ♣A | = | +0 |
| -1.2 | Round 10 | FORT LAUDERDALE CREW | 30 | 3♥ | ♠J | = | -7 |
| -1.3 | Round 3 | VEGAS STRONG | 7 | 1NT | ♠4 | = | -5 |
| -1.4 | Round 2 | THE ORPHANS | 14 | 3NT | ♠7 | +3 | -14 |
| -1.7 | Round 10 | FORT LAUDERDALE CREW | 23 | 4♥ | ♠2 | -1 | -12 |
| -1.8 | Round 10 | FORT LAUDERDALE CREW | 26 | 3NT | ♦7 | -1 | -5 |
| -1.9 | Round 1 | CFSC | 5 | 3♠ | ♥Q | = | +0 |
| -1.9 | Round 1 | CFSC | 6 | 3NT | ♥2 | +1 | +0 |
| -1.9 | Round 6 | MILLENS | 9 | 2♠ | ♦5 | = | -5 |
| -2.0 | Round 4 | MECKWELL | 19 | 3♦ | ♥8 | -2 | -9 |
| -2.1 | Round 2 | THE ORPHANS | 17 | 5♦ | ♥K | -1 | -8 |
| -2.4 | Round 7 | INDOJAPAN | 14 | 5♦ | ♥A | = | +0 |
| -2.6 | Round 1 | CFSC | 8 | 2♠x | ♥K | -2 | +3 |
| -2.6 | Round 4 | MECKWELL | 14 | 3♦ | ♣K | = | +0 |
| -2.8 | Round 1 | CFSC | 1 | 2♥ | ♠3 | = | -5 |
| -2.8 | Round 5 | COSTA RICA | 29 | 3NT | ♥5 | = | +1 |
| -2.9 | Round 8 | BEAUTIFUL YAN | 4 | 5♥x | ♣A | -1 | -9 |
| -3.0 | Round 2 | THE ORPHANS | 19 | 3♠ | ♥9 | = | -1 |
| -3.0 | Round 7 | INDOJAPAN | 12 | 4♣ | ♠2 | = | -9 |
| -3.2 | Round 6 | MILLENS | 7 | 4♣ | ♠3 | +1 | -11 |
| -3.3 | Round 5 | COSTA RICA | 30 | 4♠ | ♥3 | -4 | -6 |
| -4.4 | Round 4 | MECKWELL | 20 | 3♥ | ♣10 | -1 | -6 |
| -4.6 | Round 6 | MILLENS | 1 | 3NT | ♥3 | +2 | -8 |
| -4.7 | Round 1 | CFSC | 9 | 3NT | ♣7 | +1 | -10 |
| -5.4 | Round 7 | INDOJAPAN | 19 | 3♣ | ♦6 | -4 | -7 |
| -6.0 | Round 6 | MILLENS | 5 | 4♠ | ♣A | +2 | -11 |
| -6.4 | Round 10 | FORT LAUDERDALE CREW | 29 | 4♠ | ♦K | -2 | -8 |
| -6.7 | Round 8 | BEAUTIFUL YAN | 5 | 3♥ | ♣4 | = | -7 |
| -6.9 | Round 8 | BEAUTIFUL YAN | 1 | 3NTx | ♣4 | +1 | -6 |
| -7.1 | Round 8 | BEAUTIFUL YAN | 9 | 3NT | ♥Q | -2 | -12 |
| -7.4 | Round 7 | INDOJAPAN | 20 | 3♣ | ♣3 | -5 | +3 |
| -7.8 | Round 3 | VEGAS STRONG | 2 | 4♠ | ♦2 | +1 | -1 |
| -7.9 | Round 8 | BEAUTIFUL YAN | 6 | 6♦ | ♣7 | = | +0 |
| -7.9 | Round 10 | FORT LAUDERDALE CREW | 28 | 5♦x | ♥Q | -3 | -9 |
| -8.4 | Round 5 | COSTA RICA | 22 | 3NT | ♦2 | -1 | -6 |
| -8.5 | Round 2 | THE ORPHANS | 12 | 3NT | ♥3 | -1 | -6 |
| -8.7 | Round 4 | MECKWELL | 18 | 5♣x | ♠5 | -3 | -8 |
| -8.8 | Round 3 | VEGAS STRONG | 4 | 6♦ | ♥10 | -2 | -13 |
| -10.0 | Round 6 | MILLENS | 2 | 4♥ | ♣9 | -2 | -11 |
| -15.1 | Round 7 | INDOJAPAN | 18 | 3NT | ♦6 | -1 | -17 |