CHAMBERLAIN Richard · DHONDY
1rank
+121.4Butler · 100 bds
+1.21per board
±4.3swing
+1.51vs par /bd · #2/132
+1.19adjusted /bd
by round
vs par split: bidding +1.15 · play +0.36
Strength of schedule: opponents averaged -0.02/bd (an average draw) → opponent-adjusted +1.19/bd
Card play — on target: opening leads 85.3% #34 of 132 · declarer play 77.8% #36 of 132 · defence 90.0% #19 of 132
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (9) | 92.0% (25) |
| Declarer play | 100.0% (3) | 73.3% (15) |
| Defence | 81.2% (16) | 93.2% (44) |
Opening leads by suit led: ♠ 66.7% (6) · ♥ 91.7% (12) · ♦ 83.3% (6) · ♣ 90.0% (10)
vs par by strain: NT +0.82 (28) · a suit +1.78 (72)
vs par by level: part-score +0.33 (36) · game +1.88 (56) · slam +4.25 (8)
By role: declaring +1.35/bd (-2.35 vs par · 40) · defending +1.12/bd (+4.08 vs par · 60)
By vulnerability: vulnerable +1.11/bd (+2.10 vs par · 51) · not vulnerable +1.32/bd (+0.90 vs par · 49)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | P.Shields | M.Sihvola – S.Castren | Closed | 10 | +32.4 | +3.24 | +6.50 |
| Round 2 | P.Shields | T.Rusev – H.Hristov | Closed | 10 | +6.9 | +0.69 | -0.10 |
| Round 3 | P.Shields | N.Silverman – J.Wolfson | Closed | 10 | +12.1 | +1.21 | +0.50 |
| Round 4 | P.Shields | R.Marsal – H.Klumpp | Open | 10 | -2.9 | -0.29 | +0.40 |
| Round 5 | P.Shields | V.Marculetiu – C.Fulga | Open | 10 | +30.9 | +3.09 | +4.40 |
| Round 6 | P.Shields | A.Rummel – T.Laanemae | Closed | 10 | -17.7 | -1.77 | +0.60 |
| Round 7 | P.Shields | J.Russyan – J.Zaremba | Closed | 10 | +20.8 | +2.08 | +1.70 |
| Round 8 | P.Shields | A.Filip – M.Henc | Closed | 10 | +42.7 | +4.27 | +2.70 |
| Round 9 | P.Shields | Z.Mahmood – J.Meckstroth | Open | 10 | +4.4 | +0.44 | +0.50 |
| Round 10 | P.Shields | G.Keaveney – D.Jackson | Closed | 10 | -8.2 | -0.82 | -2.10 |
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 |
|---|---|---|---|---|---|---|---|
| +15.4 | Round 1 | SPELMANS | 5 | 6♥ | ♦A | -4 | +15 |
| +11.0 | Round 8 | SLOVAKIA | 16 | 3NT | ♥4 | = | +0 |
| +10.0 | Round 5 | VALACCHIA | 14 | 6NT | ♣J | -1 | +14 |
| +9.4 | Round 8 | SLOVAKIA | 11 | 4♥ | ♣A | +3 | +14 |
| +9.1 | Round 7 | MARKOWICZ | 10 | 4♥ | ♦3 | = | +1 |
| +8.7 | Round 4 | GERMANY | 7 | 6♦ | ♥3 | -1 | +13 |
| +8.1 | Round 1 | SPELMANS | 8 | 6♣ | ♥8 | -1 | +14 |
| +8.0 | Round 2 | VITO | 13 | 6♠ | ♣3 | = | +0 |
| +6.8 | Round 8 | SLOVAKIA | 12 | 5♦x | ♠Q | = | +4 |
| +6.2 | Round 4 | GERMANY | 8 | 6♠ | ♥6 | +1 | -11 |
| +6.1 | Round 1 | SPELMANS | 1 | 4♠ | ♥8 | +2 | +11 |
| +5.8 | Round 5 | VALACCHIA | 11 | 3NT | ♠8 | -1 | +10 |
| +5.7 | Round 9 | MILNER | 23 | 6♦ | ♦3 | = | +0 |
| +5.3 | Round 8 | SLOVAKIA | 18 | 5♥ | ♠Q | -1 | +6 |
| +4.9 | Round 8 | SLOVAKIA | 20 | 4♥ | ♥3 | -1 | +6 |
| +4.7 | Round 7 | MARKOWICZ | 8 | 4♥ | ♥J | = | +0 |
| +4.5 | Round 5 | VALACCHIA | 20 | 4♥ | ♣5 | -2 | +13 |
| +4.4 | Round 10 | BANZAI | 3 | 5♣ | ♥2 | -1 | +10 |
| +4.2 | Round 2 | VITO | 16 | 2♥ | ♣K | +2 | +7 |
| +4.1 | Round 1 | SPELMANS | 10 | 2♣ | ♥7 | -1 | +1 |
| +4.1 | Round 8 | SLOVAKIA | 13 | 4♥ | ♦5 | = | +0 |
| +4.0 | Round 8 | SLOVAKIA | 15 | 3♦ | ♦10 | -1 | +0 |
| +3.9 | Round 1 | SPELMANS | 6 | 4♠ | ♦K | +2 | +11 |
| +3.8 | Round 5 | VALACCHIA | 19 | 2NT | ♥5 | -3 | +2 |
| +3.7 | Round 9 | MILNER | 21 | 3♦ | ♠4 | -2 | -1 |
| +3.4 | Round 2 | VITO | 17 | 3♣ | ♠9 | +1 | +1 |
| +3.4 | Round 3 | WOLFSON TEAM | 29 | 4♥ | ♠4 | +1 | +4 |
| +3.3 | Round 9 | MILNER | 22 | 4♠ | ♦Q | -1 | +0 |
| +3.0 | Round 7 | MARKOWICZ | 5 | 3NT | ♥J | +2 | +1 |
| +2.9 | Round 5 | VALACCHIA | 15 | 1NT | ♣Q | = | +5 |
| +2.7 | Round 3 | WOLFSON TEAM | 23 | 4♦ | ♠7 | -1 | +6 |
| +2.7 | Round 3 | WOLFSON TEAM | 25 | 2♠ | ♥Q | -1 | -1 |
| +2.7 | Round 3 | WOLFSON TEAM | 26 | 2♦ | ♦2 | -2 | +2 |
| +2.7 | Round 6 | RUMMEL | 26 | 4♥ | ♦2 | +2 | +13 |
| +2.6 | Round 7 | MARKOWICZ | 6 | 3NT | ♦K | +1 | +0 |
| +2.5 | Round 5 | VALACCHIA | 17 | 2NT | ♦J | +1 | +1 |
| +2.5 | Round 7 | MARKOWICZ | 9 | 4♠ | ♥K | -2 | +6 |
| +2.2 | Round 1 | SPELMANS | 2 | 5♥x | ♥8 | -2 | +2 |
| +2.2 | Round 10 | BANZAI | 7 | 2♥ | ♠10 | = | +0 |
| +2.1 | Round 1 | SPELMANS | 9 | 3NT | ♥4 | +1 | +10 |
| +1.8 | Round 3 | WOLFSON TEAM | 30 | 3♠ | ♥Q | -1 | +4 |
| +1.8 | Round 7 | MARKOWICZ | 1 | 2♥ | ♣Q | +2 | +6 |
| +1.7 | Round 2 | VITO | 18 | 1♥ | ♣J | -1 | +0 |
| +1.4 | Round 9 | MILNER | 26 | 4♥ | ♠K | -1 | -1 |
| +1.3 | Round 3 | WOLFSON TEAM | 27 | 2♠ | ♥7 | +1 | +7 |
| +1.3 | Round 5 | VALACCHIA | 13 | 4♠ | ♣2 | +1 | +0 |
| +1.2 | Round 2 | VITO | 19 | 4♥ | ♣J | -1 | +5 |
| +1.2 | Round 3 | WOLFSON TEAM | 24 | 3NT | ♣J | +3 | +2 |
| +1.1 | Round 2 | VITO | 12 | 3NT | ♦K | = | -1 |
| +1.1 | Round 4 | GERMANY | 3 | 4♠ | ♠3 | +2 | +11 |
| +1.1 | Round 10 | BANZAI | 1 | 6♥ | ♣5 | +1 | -11 |
| +1.0 | Round 4 | GERMANY | 5 | 3♠ | ♦Q | = | +0 |
| +0.9 | Round 8 | SLOVAKIA | 19 | 1NT | ♠5 | +2 | +7 |
| +0.7 | Round 1 | SPELMANS | 4 | 4♥ | ♠6 | +2 | +13 |
| +0.7 | Round 3 | WOLFSON TEAM | 21 | 2♥ | ♥4 | = | -1 |
| +0.7 | Round 6 | RUMMEL | 21 | 1NT | ♥5 | = | -1 |
| +0.7 | Round 7 | MARKOWICZ | 2 | 3♥ | ♠A | +1 | -6 |
| +0.5 | Round 5 | VALACCHIA | 12 | 4♠ | ♣K | +1 | +0 |
| +0.4 | Round 5 | VALACCHIA | 16 | 3♥ | ♦6 | = | +0 |
| +0.4 | Round 9 | MILNER | 25 | 2♠ | ♥A | +1 | +0 |
| +0.3 | Round 1 | SPELMANS | 7 | 3NT | ♦6 | +1 | +0 |
| +0.3 | Round 4 | GERMANY | 10 | 4♠ | ♣A | = | +0 |
| +0.2 | Round 10 | BANZAI | 2 | 3NT | ♣2 | -2 | +0 |
| +0.2 | Round 10 | BANZAI | 6 | 4♥ | ♦4 | = | +1 |
| +0.1 | Round 6 | RUMMEL | 27 | 3NT | ♣3 | = | +1 |
| +0.1 | Round 6 | RUMMEL | 28 | 3NT | ♠7 | +1 | +0 |
| +0.0 | Round 2 | VITO | 20 | 2♠ | ♣10 | -1 | +0 |
| -0.1 | Round 9 | MILNER | 27 | 4♥ | ♠J | +1 | +0 |
| -0.2 | Round 6 | RUMMEL | 30 | 4♥ | ♦K | -1 | -10 |
| -0.3 | Round 8 | SLOVAKIA | 14 | 3♦ | ♠5 | = | -5 |
| -0.3 | Round 9 | MILNER | 29 | 3NT | ♠5 | = | +1 |
| -0.4 | Round 4 | GERMANY | 4 | 2♣ | ♣2 | -1 | +0 |
| -0.4 | Round 7 | MARKOWICZ | 4 | 4♠ | ♥J | = | +0 |
| -0.6 | Round 4 | GERMANY | 6 | 3♣ | ♥Q | -1 | -2 |
| -0.6 | Round 10 | BANZAI | 4 | 3NT | ♠9 | +3 | -1 |
| -0.8 | Round 5 | VALACCHIA | 18 | 4♥ | ♥8 | +1 | -1 |
| -0.9 | Round 6 | RUMMEL | 24 | 3NT | ♥3 | = | -2 |
| -1.1 | Round 2 | VITO | 14 | 1NT | ♣2 | +2 | -1 |
| -1.3 | Round 7 | MARKOWICZ | 7 | 3♦ | ♦9 | +1 | +10 |
| -1.5 | Round 3 | WOLFSON TEAM | 28 | 3♠ | ♣6 | +1 | -6 |
| -1.5 | Round 6 | RUMMEL | 25 | 4♥ | ♣10 | +2 | +8 |
| -1.5 | Round 9 | MILNER | 28 | 3♦ | ♥3 | -1 | -5 |
| -1.9 | Round 7 | MARKOWICZ | 3 | 1NT | ♣3 | +1 | -1 |
| -1.9 | Round 10 | BANZAI | 5 | 3NT | ♠3 | +3 | -1 |
| -2.0 | Round 2 | VITO | 15 | 1NT | ♥5 | +3 | -1 |
| -2.2 | Round 4 | GERMANY | 1 | 1NT | ♥Q | = | -5 |
| -2.9 | Round 3 | WOLFSON TEAM | 22 | 3NT | ♥3 | -1 | -12 |
| -3.1 | Round 10 | BANZAI | 9 | 4♣ | ♦K | -1 | -6 |
| -3.4 | Round 8 | SLOVAKIA | 17 | 1NT | ♥3 | = | -5 |
| -3.4 | Round 9 | MILNER | 24 | 4♠ | ♥K | +2 | +11 |
| -3.7 | Round 10 | BANZAI | 10 | 4♠ | ♥5 | -2 | -7 |
| -4.4 | Round 6 | RUMMEL | 22 | 5♦ | ♦3 | = | +1 |
| -4.8 | Round 9 | MILNER | 30 | 4♥ | ♦A | = | +0 |
| -5.9 | Round 6 | RUMMEL | 23 | 5♥ | ♣3 | -2 | -13 |
| -7.0 | Round 10 | BANZAI | 8 | 5♦x | ♠K | = | -6 |
| -7.4 | Round 4 | GERMANY | 9 | 4♥ | ♠7 | +1 | -2 |
| -8.4 | Round 6 | RUMMEL | 29 | 4♥ | ♥2 | +3 | +9 |
| -9.6 | Round 2 | VITO | 11 | 4♥ | ♣3 | -1 | -11 |
| -9.6 | Round 4 | GERMANY | 2 | 3NT | ♥2 | = | +0 |
| -10.5 | Round 1 | SPELMANS | 3 | 5♦ | ♠10 | -4 | -12 |