ROBERTSON Marion · ROBERTSON
200rank
+16.9Butler · 100 bds
+0.17per board
±3.9swing
-0.16vs par /bd · #304/527
+0.22adjusted /bd
by round
vs par split: bidding -0.07 · play -0.09
Strength of schedule: opponents averaged +0.05/bd (an average draw) → opponent-adjusted +0.22/bd
Card play — on target: opening leads 71.9% #432 of 527 · declarer play 78.9% #187 of 527 · defence 92.6% #65 of 527
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 63.6% (11) | 76.2% (21) |
| Declarer play | 83.3% (6) | 76.9% (13) |
| Defence | 84.2% (19) | 97.1% (35) |
Opening leads by suit led: ♠ 66.7% (9) · ♥ 44.4% (9) · ♦ 100.0% (4) · ♣ 90.0% (10)
vs par by strain: NT +0.91 (33) · a suit -0.69 (67)
vs par by level: part-score +0.35 (40) · game -0.38 (53) · slam -1.43 (7)
By role: declaring -0.18/bd (-3.00 vs par · 46) · defending +0.47/bd (+2.26 vs par · 54)
By vulnerability: vulnerable +0.71/bd (+0.57 vs par · 49) · not vulnerable -0.35/bd (-0.86 vs par · 51)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | S.Cope | D.Von Arnim – S.Reim | Closed | 10 | +2.7 | +0.27 | +0.00 |
| Round 2 | S.Cope | C.Lorenzini – K.Ward-Platt | Closed | 10 | -18.1 | -1.81 | -3.40 |
| Round 3 | S.Cope | N.Selway – K.Preddy | Closed | 10 | +12.6 | +1.26 | +1.50 |
| Round 4 | S.Cope | G.Scriattoli – F.Scriattoli | Closed | 10 | -3.5 | -0.35 | +2.40 |
| Round 5 | S.Cope | D.Uzum – A.Ozgunes | Closed | 10 | -1.5 | -0.15 | -1.20 |
| Round 6 | S.Cope | A.Yalman – G.Yalman | Closed | 10 | +22.8 | +2.28 | +1.90 |
| Round 7 | S.Cope | P.Cronier – C.D'Ovidio | Closed | 10 | -1.5 | -0.15 | -0.80 |
| Round 8 | S.Cope | F.Piscitelli – S.Sabbatini | Closed | 10 | -17.8 | -1.78 | -4.00 |
| Round 9 | S.Cope | E.Ozturk – F.Cakici | Open | 10 | -9.1 | -0.91 | +0.10 |
| Round 10 | S.Cope | P.Lamford – S.Rohan | Open | 10 | +30.3 | +3.03 | +1.90 |
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 |
|---|---|---|---|---|---|---|---|
| +10.8 | Round 10 | COMPITALIA | 3 | 3NT | ♦A | -3 | +10 |
| +9.5 | Round 6 | YALMAN | 29 | 3♥ | ♣3 | -1 | +12 |
| +8.2 | Round 4 | CANNAVALE | 2 | 3NT | ♣A | = | +10 |
| +8.1 | Round 6 | YALMAN | 21 | 6♠x | ♦A | -1 | +14 |
| +8.0 | Round 10 | COMPITALIA | 1 | 6♣ | ♠9 | = | +0 |
| +5.6 | Round 7 | ZIMMERMANN | 10 | 3♠ | ♥2 | -1 | +6 |
| +5.6 | Round 9 | APACHE | 21 | 3NT | ♣Q | -4 | +7 |
| +5.4 | Round 1 | SILBERSEE | 4 | 4♥ | ♣J | -1 | +13 |
| +5.0 | Round 5 | KIBE | 13 | 2♠ | ♦A | +1 | +7 |
| +5.0 | Round 10 | COMPITALIA | 7 | 3NT | ♣7 | -1 | +6 |
| +4.5 | Round 3 | ENZ | 24 | 2♥ | ♥5 | +2 | +2 |
| +4.4 | Round 8 | BRENO | 15 | 3♦ | ♣6 | -2 | +3 |
| +4.3 | Round 6 | YALMAN | 27 | 3NT | ♥9 | -1 | +5 |
| +4.1 | Round 9 | APACHE | 26 | 2♥ | ♣4 | -1 | +5 |
| +3.9 | Round 1 | SILBERSEE | 2 | 3NT | ♠A | -2 | +11 |
| +3.9 | Round 3 | ENZ | 22 | 5♣ | ♠J | = | +3 |
| +3.9 | Round 7 | ZIMMERMANN | 2 | 3NT | ♥4 | -3 | +9 |
| +3.9 | Round 10 | COMPITALIA | 4 | 4♣ | ♥A | +2 | +15 |
| +3.5 | Round 7 | ZIMMERMANN | 4 | 4♥ | ♣J | -1 | -1 |
| +3.5 | Round 9 | APACHE | 25 | 3♥ | ♠9 | = | +6 |
| +3.5 | Round 10 | COMPITALIA | 9 | 1NT | ♥6 | = | +5 |
| +3.4 | Round 2 | WARD PLATT | 13 | 6♠ | ♠3 | = | +0 |
| +3.0 | Round 6 | YALMAN | 26 | 2♥ | ♦Q | -2 | -9 |
| +3.0 | Round 6 | YALMAN | 28 | 3NT | ♣3 | = | +0 |
| +2.9 | Round 7 | ZIMMERMANN | 3 | 3NT | ♣4 | -2 | +6 |
| +2.6 | Round 3 | ENZ | 26 | 2♥ | ♥10 | -2 | +2 |
| +2.5 | Round 1 | SILBERSEE | 9 | 3NT | ♠7 | +1 | +0 |
| +2.2 | Round 3 | ENZ | 23 | 4♠ | ♣K | +2 | +9 |
| +2.2 | Round 5 | KIBE | 15 | 4♥ | ♣8 | = | -1 |
| +2.1 | Round 4 | CANNAVALE | 4 | 2♠ | ♠7 | -1 | +1 |
| +2.0 | Round 7 | ZIMMERMANN | 1 | 4♠ | ♦A | -1 | -2 |
| +1.4 | Round 4 | CANNAVALE | 5 | 2♠ | ♣8 | -1 | +8 |
| +1.2 | Round 3 | ENZ | 29 | 1NT | ♥10 | = | -2 |
| +1.1 | Round 3 | ENZ | 25 | 2NT | ♠2 | = | +7 |
| +1.1 | Round 4 | CANNAVALE | 8 | 4♥ | ♣J | = | +0 |
| +1.1 | Round 6 | YALMAN | 22 | 3♦ | ♥K | +1 | +9 |
| +1.1 | Round 10 | COMPITALIA | 8 | 6♥ | ♣7 | +1 | -11 |
| +1.0 | Round 6 | YALMAN | 23 | 5♥x | ♠2 | -1 | +0 |
| +1.0 | Round 10 | COMPITALIA | 2 | 1NT | ♠3 | -1 | -3 |
| +0.7 | Round 1 | SILBERSEE | 5 | 3♣ | ♦5 | = | +0 |
| +0.7 | Round 10 | COMPITALIA | 10 | 4♠ | ♦3 | +2 | +1 |
| +0.6 | Round 5 | KIBE | 19 | 4♠ | ♣Q | +1 | -11 |
| +0.5 | Round 6 | YALMAN | 25 | 3♥ | ♣8 | = | -1 |
| +0.5 | Round 8 | BRENO | 14 | 3♣ | ♥9 | = | -1 |
| +0.4 | Round 2 | WARD PLATT | 17 | 3NT | ♣6 | +1 | -1 |
| +0.4 | Round 3 | ENZ | 30 | 4♥ | ♣K | -1 | +4 |
| +0.4 | Round 4 | CANNAVALE | 7 | 4♥ | ♠9 | +2 | +12 |
| +0.3 | Round 3 | ENZ | 28 | 2♠ | ♠9 | -1 | +0 |
| +0.1 | Round 6 | YALMAN | 30 | 3NT | ♠J | = | -1 |
| +0.1 | Round 8 | BRENO | 12 | 3NT | ♦2 | +1 | +0 |
| -0.0 | Round 5 | KIBE | 20 | 4♠ | ♥A | = | +0 |
| -0.1 | Round 2 | WARD PLATT | 15 | 4♦ | ♠5 | +1 | -2 |
| -0.1 | Round 2 | WARD PLATT | 20 | 1NT | ♦3 | +1 | +0 |
| -0.2 | Round 1 | SILBERSEE | 1 | 3NT | ♥10 | +1 | +1 |
| -0.2 | Round 2 | WARD PLATT | 14 | 4♠ | ♥A | +1 | +0 |
| -0.3 | Round 5 | KIBE | 11 | 3NT | ♦8 | +2 | +0 |
| -0.4 | Round 7 | ZIMMERMANN | 5 | 4♥ | ♥2 | +2 | -1 |
| -0.5 | Round 10 | COMPITALIA | 5 | 2♦ | ♣2 | = | +1 |
| -0.6 | Round 1 | SILBERSEE | 8 | 3♥ | ♣A | -2 | -1 |
| -0.6 | Round 1 | SILBERSEE | 10 | 4♠ | ♣5 | +1 | -13 |
| -0.8 | Round 1 | SILBERSEE | 3 | 4♥ | ♣Q | +2 | -11 |
| -0.8 | Round 8 | BRENO | 17 | 4♠ | ♥4 | +1 | +0 |
| -0.9 | Round 4 | CANNAVALE | 3 | 4♥ | ♣2 | -1 | +10 |
| -1.0 | Round 8 | BRENO | 13 | 5♣x | ♠K | -1 | -12 |
| -1.1 | Round 5 | KIBE | 12 | 4♠ | ♣6 | -2 | -8 |
| -1.2 | Round 5 | KIBE | 16 | 1NT | ♥Q | +1 | +0 |
| -1.2 | Round 9 | APACHE | 23 | 3NT | ♣3 | +2 | +0 |
| -1.3 | Round 5 | KIBE | 18 | 2NT | ♣7 | +1 | +0 |
| -1.3 | Round 9 | APACHE | 28 | 3♥ | ♥2 | = | +0 |
| -1.4 | Round 2 | WARD PLATT | 11 | 4♥ | ♠4 | = | -3 |
| -1.6 | Round 2 | WARD PLATT | 18 | 4♠ | ♥6 | -2 | +7 |
| -1.6 | Round 4 | CANNAVALE | 6 | 2♥ | ♦5 | = | -7 |
| -1.6 | Round 9 | APACHE | 24 | 3NT | ♠J | -1 | -5 |
| -1.7 | Round 7 | ZIMMERMANN | 8 | 2NT | ♠Q | +1 | -7 |
| -1.8 | Round 3 | ENZ | 21 | 5♣ | ♥K | -1 | -5 |
| -1.8 | Round 3 | ENZ | 27 | 3NT | ♥2 | -1 | -5 |
| -1.8 | Round 7 | ZIMMERMANN | 6 | 3♦ | ♣A | = | -5 |
| -1.9 | Round 8 | BRENO | 18 | 4♠ | ♠6 | = | -11 |
| -2.0 | Round 8 | BRENO | 20 | 4♠ | ♥6 | +2 | -1 |
| -2.1 | Round 5 | KIBE | 14 | 2♠ | ♦Q | = | +0 |
| -2.3 | Round 8 | BRENO | 11 | 2♥ | ♦2 | = | +0 |
| -2.6 | Round 9 | APACHE | 29 | 3♦ | ♥8 | -1 | +1 |
| -2.9 | Round 4 | CANNAVALE | 1 | 6♠ | ♣3 | = | +0 |
| -3.2 | Round 7 | ZIMMERMANN | 9 | 1♥ | ♦5 | +2 | +0 |
| -3.2 | Round 10 | COMPITALIA | 6 | 1NT | ♠4 | = | -5 |
| -3.3 | Round 5 | KIBE | 17 | 3NT | ♠4 | = | +1 |
| -3.8 | Round 1 | SILBERSEE | 6 | 3NT | ♥7 | +1 | +12 |
| -3.8 | Round 1 | SILBERSEE | 7 | 4♥ | ♦3 | -1 | -12 |
| -4.8 | Round 9 | APACHE | 30 | 4♦ | ♠Q | -3 | -7 |
| -5.0 | Round 9 | APACHE | 22 | 3♠ | ♣K | +1 | -6 |
| -5.2 | Round 8 | BRENO | 16 | 4♠ | ♥K | -1 | -6 |
| -5.3 | Round 4 | CANNAVALE | 10 | 3♠ | ♥A | +1 | -10 |
| -5.6 | Round 2 | WARD PLATT | 12 | 4♠ | ♥10 | +2 | -14 |
| -5.8 | Round 9 | APACHE | 27 | 7NT | ♣4 | = | +0 |
| -6.0 | Round 4 | CANNAVALE | 9 | 4♠ | ♣2 | = | +0 |
| -6.1 | Round 2 | WARD PLATT | 19 | 2NT | ♠7 | +1 | -10 |
| -6.8 | Round 2 | WARD PLATT | 16 | 3NT | ♥8 | = | -11 |
| -7.8 | Round 6 | YALMAN | 24 | 3NT | ♣7 | -1 | -10 |
| -9.6 | Round 8 | BRENO | 19 | 4♠ | ♥A | -1 | -12 |
| -12.3 | Round 7 | ZIMMERMANN | 7 | 6♦ | ♠K | = | -13 |