ROBERTSON Marion · ROBERTSON
vs par split: bidding -0.36 · play +0.16
Strength of schedule: opponents averaged +0.14/bd (a tough draw) → opponent-adjusted +0.10/bd
Card play — on target: opening leads 90.9% #60 of 551 · declarer play 68.8% #355 of 551 · defence 83.3% #322 of 552
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 80.0% (5) | 100.0% (6) |
| Declarer play | 100.0% (3) | 61.5% (13) |
| Defence | 90.9% (11) | 76.9% (13) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 80.0% (5) · ♦ 100.0% (4) · ♣ 100.0% (1)
vs par by strain: NT -0.29 (17) · a suit -0.15 (33)
vs par by level: part-score -0.05 (19) · game -0.87 (30) · slam +17.00 (1)
By role: declaring +0.59/bd (-1.65 vs par · 26) · defending -0.74/bd (+1.38 vs par · 24)
By vulnerability: vulnerable +0.74/bd (+1.48 vs par · 25) · not vulnerable -0.83/bd (-1.88 vs par · 25)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | S.Cope | M.Kaptein – H.Van Ipenburg | Closed | 10 | +11.8 | +1.18 | +3.00 |
| Round 3 | D.Gold | C.Lorenzini – J.Rombaut | Closed | 10 | -3.7 | -0.37 | -2.70 |
| Round 4 | D.Gold | A.Silverstein – A.Rosenthal | Closed | 10 | -12.1 | -1.21 | -1.00 |
| Round 7 | S.Cope | I.Berg – G.Tislevoll | Closed | 10 | +11.1 | +1.11 | +1.40 |
| Round 8 | S.Cope | M.Gromoeller – H.Haeusler | Closed | 10 | -9.4 | -0.94 | -1.70 |
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 |
|---|---|---|---|---|---|---|---|
| +11.5 | Round 2 | KERDIZO | 19 | 4♠ | ♦3 | +1 | +11 |
| +9.7 | Round 3 | GROUPE FRANCE | 29 | 4♥ | ♠A | = | +10 |
| +7.5 | Round 2 | KERDIZO | 18 | 3NT | ♥5 | +3 | +13 |
| +6.9 | Round 7 | ABAX | 10 | 6♥ | ♣6 | -1 | +17 |
| +4.1 | Round 7 | ABAX | 4 | 2NT | ♣4 | = | +6 |
| +3.7 | Round 4 | ROSENTHAL | 3 | 4♠ | ♣2 | -2 | +6 |
| +3.0 | Round 7 | ABAX | 3 | 4♠ | ♦9 | = | +0 |
| +3.0 | Round 7 | ABAX | 8 | 2♥ | ♣Q | +3 | +2 |
| +2.6 | Round 3 | GROUPE FRANCE | 23 | 5♦ | ♥3 | = | -1 |
| +2.4 | Round 2 | KERDIZO | 13 | 2♠ | ♥A | -3 | +9 |
| +2.3 | Round 7 | ABAX | 7 | 3♠ | ♦A | = | +0 |
| +2.1 | Round 8 | DEUTSCHLAND | 16 | 4♥ | ♠J | +1 | +1 |
| +1.7 | Round 2 | KERDIZO | 14 | 3NT | ♠A | +3 | +2 |
| +1.4 | Round 3 | GROUPE FRANCE | 22 | 3NT | ♠3 | +3 | +2 |
| +1.3 | Round 8 | DEUTSCHLAND | 20 | 4♥ | ♠10 | = | -1 |
| +1.0 | Round 2 | KERDIZO | 11 | 4♠ | ♥Q | = | +0 |
| +1.0 | Round 7 | ABAX | 9 | 3NT | ♠3 | +2 | +0 |
| +0.4 | Round 8 | DEUTSCHLAND | 12 | 3NT | ♥J | = | +1 |
| +0.3 | Round 8 | DEUTSCHLAND | 11 | 4♠ | ♥6 | -2 | -6 |
| +0.3 | Round 8 | DEUTSCHLAND | 14 | 2♥ | ♣J | +1 | +1 |
| +0.2 | Round 4 | ROSENTHAL | 6 | 1NT | ♥J | = | +1 |
| +0.2 | Round 8 | DEUTSCHLAND | 18 | 2♥ | ♦5 | +1 | +0 |
| +0.1 | Round 3 | GROUPE FRANCE | 25 | 4♥ | ♣Q | = | -1 |
| +0.1 | Round 3 | GROUPE FRANCE | 26 | 1NT | ♥3 | = | -11 |
| +0.1 | Round 4 | ROSENTHAL | 1 | 4♠ | ♣K | +1 | +0 |
| -0.4 | Round 3 | GROUPE FRANCE | 24 | 1NT | ♦Q | = | +1 |
| -0.5 | Round 2 | KERDIZO | 17 | 4♠x | ♥6 | -2 | +4 |
| -0.5 | Round 4 | ROSENTHAL | 10 | 2♥ | ♥9 | +1 | +0 |
| -0.5 | Round 7 | ABAX | 2 | 1NT | ♥10 | = | +0 |
| -1.1 | Round 2 | KERDIZO | 16 | 3NT | ♠10 | +2 | +0 |
| -1.1 | Round 4 | ROSENTHAL | 2 | 2♦ | ♠K | = | -1 |
| -1.3 | Round 2 | KERDIZO | 15 | 1NT | ♥Q | = | +1 |
| -1.3 | Round 4 | ROSENTHAL | 7 | 2NT | ♠K | +1 | -1 |
| -1.3 | Round 4 | ROSENTHAL | 9 | 4♥ | ♥A | +1 | +0 |
| -1.3 | Round 8 | DEUTSCHLAND | 15 | 2♥ | ♦K | +2 | +6 |
| -1.3 | Round 8 | DEUTSCHLAND | 17 | 3♠ | ♥6 | -1 | -6 |
| -1.4 | Round 2 | KERDIZO | 20 | 4♠ | ♦K | +1 | +0 |
| -1.6 | Round 7 | ABAX | 1 | 3♥x | ♠10 | -1 | -5 |
| -2.1 | Round 3 | GROUPE FRANCE | 27 | 5♣ | ♠3 | -1 | -10 |
| -2.3 | Round 3 | GROUPE FRANCE | 28 | 5♦ | ♣Q | -1 | -6 |
| -2.7 | Round 7 | ABAX | 6 | 3NT | ♦Q | = | +1 |
| -3.1 | Round 3 | GROUPE FRANCE | 21 | 3♥ | ♦K | = | +0 |
| -3.2 | Round 4 | ROSENTHAL | 8 | 4♣ | ♠10 | -1 | -4 |
| -3.3 | Round 4 | ROSENTHAL | 4 | 3NT | ♠10 | = | +0 |
| -4.4 | Round 7 | ABAX | 5 | 4♠ | ♣A | = | -7 |
| -4.9 | Round 8 | DEUTSCHLAND | 19 | 5♣ | ♦3 | -1 | -10 |
| -5.4 | Round 4 | ROSENTHAL | 5 | 3NT | ♠10 | +3 | -11 |
| -6.5 | Round 8 | DEUTSCHLAND | 13 | 4♠ | ♦K | = | -3 |
| -8.0 | Round 2 | KERDIZO | 12 | 3NT | ♥6 | = | -10 |
| -9.7 | Round 3 | GROUPE FRANCE | 30 | 5♥x | ♠A | -1 | -11 |