CHAMBERLAIN Richard · ENGLAND PRYOR
38rank
+4.8Butler · 150 bds
+0.03per board
±4.2swing
-0.28vs par /bd · #54/76
-0.17adjusted /bd
by round
vs par split: bidding -0.14 · play -0.14
Strength of schedule: opponents averaged -0.20/bd (an easy draw) → opponent-adjusted -0.17/bd
Card play — on target: opening leads 79.4% #33 of 76 · declarer play 71.4% #48 of 76 · defence 88.6% #28 of 76
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (9) | 72.0% (25) |
| Declarer play | 50.0% (14) | 82.1% (28) |
| Defence | 73.7% (19) | 94.1% (51) |
Opening leads by suit led: ♠ 86.7% (15) · ♥ 66.7% (3) · ♦ 50.0% (6) · ♣ 90.0% (10)
vs par by strain: NT -1.72 (43) · a suit +0.30 (107)
vs par by level: part-score -0.52 (54) · game -0.31 (88) · slam +1.62 (8)
By role: declaring -0.00/bd (-2.35 vs par · 80) · defending +0.07/bd (+2.09 vs par · 70)
By vulnerability: vulnerable -0.20/bd (-0.68 vs par · 75) · not vulnerable +0.26/bd (+0.12 vs par · 75)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | P.Shields | M.Eisenberg – E.Eisenberg | Closed | 10 | +33.3 | +3.33 | +2.60 |
| Round 2 | P.Shields | W.Starkowski – M.Kwiecien | Open | 10 | -9.8 | -0.98 | -0.50 |
| Round 3 | P.Shields | J.Voldoire – F.Bigdeli | Open | 10 | +4.1 | +0.41 | -0.10 |
| Round 4 | P.Shields | G.Beniada – A.Levy | Closed | 10 | +2.7 | +0.27 | -2.20 |
| Round 5 | P.Shields | H.Fleury – P.Chottin | Open | 10 | -11.3 | -1.13 | -2.40 |
| Round 6 | P.Shields | B.Van Der Hoek – L.Hofland | Closed | 10 | +1.0 | +0.10 | +0.20 |
| Round 7 | P.Shields | H.Hantveit – A.Thomassen | Closed | 10 | -4.4 | -0.44 | -2.70 |
| Round 8 | P.Shields | M.Roth – R.Andriescu | Open | 10 | -0.9 | -0.09 | +1.80 |
| Round 9 | P.Shields | J.Hansen – S.Schou | Open | 10 | -8.1 | -0.81 | -3.40 |
| Round 10 | P.Shields | E.Meijer – H.Den Boer | Closed | 10 | +10.8 | +1.08 | +0.00 |
| Round 11 | P.Shields | P.Leis – A.Rummel | Open | 10 | +0.0 | +0.00 | +0.50 |
| Round 12 | P.Shields | C.Matei – R.Gliga | Closed | 10 | +7.5 | +0.75 | +1.20 |
| Round 13 | P.Shields | P.Schurter – R.Nikitine | Closed | 10 | -7.1 | -0.71 | +1.80 |
| Round 14 | P.Shields | H.Klumpp – D.Laidig | Closed | 10 | -14.3 | -1.43 | -3.60 |
| Round 15 | P.Shields | V.Markowicz – K.Moszczynski | Open | 10 | +1.3 | +0.13 | +2.60 |
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 |
|---|---|---|---|---|---|---|---|
| +10.6 | Round 6 | DUTCH SENIOR TEAM | 25 | 5♣x | ♣5 | -2 | +12 |
| +9.9 | Round 1 | LA FONTAINE | 5 | 4♥x | ♠K | -3 | +9 |
| +9.8 | Round 1 | LA FONTAINE | 3 | 4♠x | ♥8 | = | +12 |
| +9.3 | Round 15 | VICTORS | 29 | 6♠ | ♣K | -1 | +17 |
| +9.1 | Round 10 | GEHAKTMOLEN SENIORS | 2 | 3NT | ♠5 | = | +3 |
| +8.6 | Round 10 | GEHAKTMOLEN SENIORS | 4 | 4♥ | ♠5 | = | +3 |
| +7.9 | Round 7 | NORWAY | 5 | 5♣ | ♠A | = | +3 |
| +7.9 | Round 15 | VICTORS | 25 | 4♥ | ♣8 | +2 | +17 |
| +7.4 | Round 6 | DUTCH SENIOR TEAM | 22 | 4♠ | ♥3 | = | +7 |
| +5.9 | Round 12 | BUCHAREST SENIORS | 22 | 4♠ | ♥A | -1 | +10 |
| +5.9 | Round 13 | SWISS SENIORS | 9 | 3NT | ♠6 | -1 | +12 |
| +5.8 | Round 4 | LES MOUSQUETAIRES | 1 | 4♠ | ♦10 | +1 | +11 |
| +5.3 | Round 1 | LA FONTAINE | 2 | 2♠ | ♦K | +2 | +7 |
| +5.1 | Round 6 | DUTCH SENIOR TEAM | 23 | 4♥ | ♠4 | -3 | +5 |
| +5.1 | Round 9 | MILNER | 24 | 4♥ | ♠10 | = | +0 |
| +5.0 | Round 14 | GERMANY | 18 | 2♠ | ♥2 | = | +6 |
| +4.5 | Round 9 | MILNER | 22 | 5♦ | ♣4 | +2 | -10 |
| +4.5 | Round 14 | GERMANY | 15 | 3NT | ♥J | +2 | +0 |
| +4.3 | Round 3 | BBCX | 24 | 6♣ | ♥4 | -1 | +10 |
| +4.3 | Round 6 | DUTCH SENIOR TEAM | 26 | 3NT | ♠2 | = | -1 |
| +4.1 | Round 11 | RUMMEL | 20 | 2♠ | ♠K | -3 | +4 |
| +3.9 | Round 5 | FRANCE SENIORS | 18 | 4♥ | ♠K | -2 | +0 |
| +3.9 | Round 7 | NORWAY | 8 | 1NT | ♠2 | -1 | +4 |
| +3.9 | Round 8 | ROTH | 19 | 4♠ | ♣7 | = | +7 |
| +3.8 | Round 9 | MILNER | 29 | 2NT | ♥3 | = | +0 |
| +3.7 | Round 2 | ZIMMERMANN | 12 | 3♣ | ♦7 | +1 | +1 |
| +3.7 | Round 8 | ROTH | 14 | 4♥ | ♠2 | = | +3 |
| +3.7 | Round 8 | ROTH | 20 | 3♣ | ♥A | +1 | +0 |
| +3.5 | Round 1 | LA FONTAINE | 4 | 4♠ | ♥6 | = | +0 |
| +3.4 | Round 11 | RUMMEL | 13 | 5♣ | ♦6 | -2 | +8 |
| +3.0 | Round 3 | BBCX | 30 | 4♠ | ♦A | = | +0 |
| +3.0 | Round 7 | NORWAY | 4 | 4♥ | ♦K | = | -1 |
| +2.8 | Round 1 | LA FONTAINE | 9 | 2♦ | ♣Q | = | +0 |
| +2.7 | Round 11 | RUMMEL | 11 | 4♠ | ♦2 | = | -1 |
| +2.7 | Round 12 | BUCHAREST SENIORS | 21 | 2♠ | ♥9 | = | +0 |
| +2.6 | Round 12 | BUCHAREST SENIORS | 28 | 3NT | ♠5 | +3 | +1 |
| +2.5 | Round 4 | LES MOUSQUETAIRES | 2 | 4♥ | ♦Q | +2 | -1 |
| +2.5 | Round 4 | LES MOUSQUETAIRES | 10 | 2♠ | ♦K | = | +6 |
| +2.3 | Round 2 | ZIMMERMANN | 13 | 5♦ | ♣A | +1 | -1 |
| +2.3 | Round 2 | ZIMMERMANN | 17 | 2♠ | ♣7 | +1 | +6 |
| +2.3 | Round 8 | ROTH | 18 | 5♦ | ♠A | +1 | +11 |
| +2.3 | Round 14 | GERMANY | 20 | 4♠ | ♣A | -1 | +6 |
| +2.1 | Round 13 | SWISS SENIORS | 8 | 4♠ | ♥10 | -1 | +10 |
| +1.9 | Round 9 | MILNER | 27 | 5♦ | ♣A | -1 | -5 |
| +1.9 | Round 12 | BUCHAREST SENIORS | 30 | 3♥ | ♦K | -1 | +2 |
| +1.7 | Round 12 | BUCHAREST SENIORS | 26 | 3♣ | ♦4 | +1 | +0 |
| +1.6 | Round 13 | SWISS SENIORS | 2 | 5♠ | ♦2 | = | +14 |
| +1.5 | Round 3 | BBCX | 28 | 2NT | ♣Q | -1 | -2 |
| +1.5 | Round 4 | LES MOUSQUETAIRES | 6 | 3♥ | ♥J | -1 | -1 |
| +1.5 | Round 6 | DUTCH SENIOR TEAM | 24 | 1NT | ♠7 | -1 | +4 |
| +1.5 | Round 15 | VICTORS | 27 | 4♠ | ♣7 | -1 | +5 |
| +1.3 | Round 1 | LA FONTAINE | 1 | 4♠ | ♦K | = | +0 |
| +1.3 | Round 1 | LA FONTAINE | 10 | 5♣ | ♥A | +1 | +5 |
| +1.3 | Round 3 | BBCX | 22 | 3NT | ♠5 | +3 | +1 |
| +1.3 | Round 10 | GEHAKTMOLEN SENIORS | 5 | 3♣ | ♠K | -1 | +4 |
| +1.3 | Round 11 | RUMMEL | 17 | 4♥ | ♣6 | +2 | +1 |
| +1.3 | Round 14 | GERMANY | 16 | 4♠ | ♣J | +2 | -11 |
| +1.2 | Round 1 | LA FONTAINE | 7 | 3♠ | ♣A | +1 | -2 |
| +1.2 | Round 11 | RUMMEL | 16 | 3♦ | ♠K | +1 | +0 |
| +1.1 | Round 2 | ZIMMERMANN | 16 | 2♣ | ♥4 | -2 | +2 |
| +1.1 | Round 3 | BBCX | 23 | 3NT | ♦4 | = | +2 |
| +0.9 | Round 5 | FRANCE SENIORS | 12 | 4♠ | ♦5 | +1 | +0 |
| +0.9 | Round 7 | NORWAY | 9 | 3NT | ♣10 | = | +1 |
| +0.9 | Round 10 | GEHAKTMOLEN SENIORS | 6 | 3NT | ♥4 | +2 | +1 |
| +0.9 | Round 15 | VICTORS | 24 | 1NT | ♦4 | +2 | -6 |
| +0.7 | Round 5 | FRANCE SENIORS | 17 | 3♥ | ♣A | = | +0 |
| +0.5 | Round 4 | LES MOUSQUETAIRES | 5 | 3NT | ♦10 | +1 | +0 |
| +0.5 | Round 8 | ROTH | 12 | 1NT | ♦Q | = | -2 |
| +0.4 | Round 5 | FRANCE SENIORS | 20 | 2♦ | ♦9 | +3 | +0 |
| +0.4 | Round 10 | GEHAKTMOLEN SENIORS | 8 | 2♠ | ♠Q | -1 | -2 |
| +0.3 | Round 8 | ROTH | 16 | 3NT | ♣4 | +2 | +0 |
| +0.3 | Round 11 | RUMMEL | 15 | 3NT | ♥4 | = | +11 |
| +0.3 | Round 11 | RUMMEL | 19 | 3NT | ♠2 | +1 | +0 |
| +0.2 | Round 10 | GEHAKTMOLEN SENIORS | 3 | 4♥ | ♥2 | +1 | +0 |
| +0.0 | Round 4 | LES MOUSQUETAIRES | 8 | 5♦ | ♥5 | -1 | -2 |
| +0.0 | Round 5 | FRANCE SENIORS | 11 | 4♥ | ♣K | +1 | +0 |
| +0.0 | Round 10 | GEHAKTMOLEN SENIORS | 9 | 3♠ | ♦A | -1 | +2 |
| +0.0 | Round 12 | BUCHAREST SENIORS | 23 | 6♠ | ♣A | = | -1 |
| -0.1 | Round 8 | ROTH | 11 | 4♥ | ♠2 | +1 | +11 |
| -0.1 | Round 9 | MILNER | 26 | 3NT | ♠K | +1 | -1 |
| -0.1 | Round 10 | GEHAKTMOLEN SENIORS | 10 | 3NT | ♠2 | +1 | +0 |
| -0.1 | Round 13 | SWISS SENIORS | 6 | 1NT | ♠3 | -1 | -1 |
| -0.1 | Round 13 | SWISS SENIORS | 7 | 4♥ | ♠4 | = | +0 |
| -0.3 | Round 3 | BBCX | 21 | 3NT | ♣4 | = | +1 |
| -0.3 | Round 3 | BBCX | 27 | 3NT | ♦3 | +1 | +0 |
| -0.3 | Round 12 | BUCHAREST SENIORS | 27 | 3♥ | ♦Q | = | +0 |
| -0.6 | Round 6 | DUTCH SENIOR TEAM | 27 | 1NT | ♣5 | -1 | +1 |
| -0.7 | Round 1 | LA FONTAINE | 8 | 4♥ | ♣Q | -1 | -5 |
| -0.7 | Round 5 | FRANCE SENIORS | 14 | 4♥ | ♠3 | +1 | +0 |
| -0.7 | Round 7 | NORWAY | 6 | 4♥ | ♦5 | +2 | -11 |
| -0.8 | Round 9 | MILNER | 30 | 4♠ | ♠3 | +1 | +0 |
| -0.8 | Round 14 | GERMANY | 12 | 2♠ | ♣6 | -1 | -2 |
| -0.9 | Round 2 | ZIMMERMANN | 15 | 4♥ | ♣Q | +1 | +0 |
| -0.9 | Round 4 | LES MOUSQUETAIRES | 4 | 4♥ | ♦7 | = | +0 |
| -0.9 | Round 7 | NORWAY | 7 | 2♠ | ♠J | +1 | +0 |
| -1.1 | Round 1 | LA FONTAINE | 6 | 4♠ | ♠3 | +1 | +0 |
| -1.1 | Round 6 | DUTCH SENIOR TEAM | 29 | 4♥ | ♠10 | +1 | +0 |
| -1.1 | Round 7 | NORWAY | 1 | 2♠ | ♣2 | -1 | -4 |
| -1.1 | Round 13 | SWISS SENIORS | 3 | 3NT | ♠10 | = | +1 |
| -1.1 | Round 15 | VICTORS | 22 | 3♣ | ♣3 | = | +1 |
| -1.1 | Round 15 | VICTORS | 23 | 2♥ | ♠J | +2 | +10 |
| -1.4 | Round 2 | ZIMMERMANN | 14 | 5♣ | ♠4 | = | -7 |
| -1.4 | Round 2 | ZIMMERMANN | 18 | 2♥ | ♦K | +3 | +6 |
| -1.4 | Round 12 | BUCHAREST SENIORS | 29 | 4♠ | ♥K | = | +1 |
| -1.5 | Round 3 | BBCX | 25 | 3NT | ♠4 | -1 | +0 |
| -1.5 | Round 5 | FRANCE SENIORS | 19 | 4♠x | ♣7 | -1 | +5 |
| -1.5 | Round 8 | ROTH | 13 | 2♦ | ♣2 | = | +1 |
| -1.7 | Round 3 | BBCX | 26 | 3NT | ♠5 | +3 | -13 |
| -1.7 | Round 7 | NORWAY | 3 | 3♦ | ♠4 | -2 | +1 |
| -1.7 | Round 11 | RUMMEL | 14 | 3♥ | ♦6 | +1 | +2 |
| -1.9 | Round 13 | SWISS SENIORS | 5 | 2♥ | ♦3 | +1 | +0 |
| -1.9 | Round 14 | GERMANY | 14 | 1NT | ♣6 | +1 | +0 |
| -2.1 | Round 2 | ZIMMERMANN | 19 | 1NT | ♣K | +2 | -6 |
| -2.1 | Round 4 | LES MOUSQUETAIRES | 3 | 4♥ | ♠2 | +2 | -11 |
| -2.1 | Round 5 | FRANCE SENIORS | 15 | 6♠ | ♦3 | -1 | -13 |
| -2.1 | Round 12 | BUCHAREST SENIORS | 24 | 4♥ | ♦8 | = | +0 |
| -2.2 | Round 13 | SWISS SENIORS | 4 | 3♦ | ♣J | +1 | +0 |
| -2.4 | Round 4 | LES MOUSQUETAIRES | 7 | 4♠ | ♦7 | -3 | -13 |
| -2.4 | Round 15 | VICTORS | 21 | 1NT | ♠7 | -1 | -5 |
| -2.6 | Round 14 | GERMANY | 13 | 4♥ | ♦K | +2 | -13 |
| -2.7 | Round 9 | MILNER | 21 | 4♥ | ♣J | -1 | +1 |
| -2.9 | Round 15 | VICTORS | 30 | 6NT | ♣7 | = | +0 |
| -3.2 | Round 8 | ROTH | 17 | 1NTx | ♠3 | = | -1 |
| -3.3 | Round 3 | BBCX | 29 | 4♠ | ♦9 | = | +0 |
| -3.5 | Round 12 | BUCHAREST SENIORS | 25 | 2♥ | ♣A | = | -1 |
| -3.8 | Round 14 | GERMANY | 17 | 3NT | ♠6 | +3 | -11 |
| -3.9 | Round 2 | ZIMMERMANN | 11 | 2♥ | ♦9 | +2 | -6 |
| -3.9 | Round 10 | GEHAKTMOLEN SENIORS | 1 | 2♠ | ♦8 | = | -5 |
| -4.1 | Round 7 | NORWAY | 2 | 2♠ | ♣6 | +2 | -7 |
| -4.1 | Round 15 | VICTORS | 28 | 4♥ | ♠5 | = | +0 |
| -4.3 | Round 13 | SWISS SENIORS | 1 | 2♥ | ♣Q | = | -8 |
| -4.7 | Round 4 | LES MOUSQUETAIRES | 9 | 3NT | ♥6 | +3 | -11 |
| -5.1 | Round 9 | MILNER | 23 | 1NTx | ♦7 | = | -7 |
| -5.3 | Round 11 | RUMMEL | 12 | 4♠ | ♥6 | -1 | -12 |
| -5.7 | Round 10 | GEHAKTMOLEN SENIORS | 7 | 3NT | ♥2 | -1 | -6 |
| -5.8 | Round 5 | FRANCE SENIORS | 16 | 3NT | ♠3 | -2 | -6 |
| -6.1 | Round 6 | DUTCH SENIOR TEAM | 30 | 6♦ | ♥K | = | +0 |
| -6.1 | Round 14 | GERMANY | 11 | 6♦ | ♥J | = | +0 |
| -6.3 | Round 11 | RUMMEL | 18 | 3♦ | ♠K | -4 | -8 |
| -6.7 | Round 15 | VICTORS | 26 | 4♥ | ♠K | -1 | -13 |
| -7.0 | Round 13 | SWISS SENIORS | 10 | 3♣ | ♠K | +2 | -10 |
| -7.1 | Round 5 | FRANCE SENIORS | 13 | 2♥ | ♣Q | +2 | -10 |
| -7.2 | Round 9 | MILNER | 25 | 4♠ | ♥A | -1 | -10 |
| -7.5 | Round 9 | MILNER | 28 | 2NT | ♥5 | -2 | -2 |
| -9.5 | Round 2 | ZIMMERMANN | 20 | 6NT | ♣A | = | +0 |
| -10.0 | Round 6 | DUTCH SENIOR TEAM | 28 | 4♥ | ♦K | -2 | -12 |
| -10.1 | Round 6 | DUTCH SENIOR TEAM | 21 | 4♥ | ♠9 | +1 | -14 |
| -10.5 | Round 8 | ROTH | 15 | 3NT | ♥A | -1 | -12 |
| -11.6 | Round 7 | NORWAY | 10 | 3NT | ♠9 | -1 | -13 |
| -12.2 | Round 14 | GERMANY | 19 | 3NT | ♠6 | = | -11 |