GAN Derun · SANMING EDUCATION
vs par split: bidding -1.63 · play -0.89
Strength of schedule: opponents averaged -0.75/bd (an easy draw) → opponent-adjusted +0.00/bd
Card play — on target: opening leads 66.7% · declarer play 57.1% · defence 71.4%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 66.7% (3) |
| Declarer play | 66.7% (3) | 50.0% (4) |
| Defence | 0.0% (1) | 83.3% (6) |
Opening leads by suit led: ♥ 100.0% (1) · ♣ 50.0% (2)
vs par by strain: NT -5.80 (5) · a suit -1.36 (14)
vs par by level: part-score -1.10 (10) · game -2.57 (7) · slam -9.50 (2)
By role: declaring +1.19/bd (-4.46 vs par · 13) · defending -0.06/bd (+1.86 vs par · 7)
By vulnerability: vulnerable +1.24/bd (-1.90 vs par · 10) · not vulnerable +0.27/bd (-2.60 vs par · 10)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 9 | L.He | K.Bercuson – G.Mittelman | Closed | 10 | +12.7 | +1.27 | -2.90 |
| Round 10 | L.He | M.Vanuzzi – P.Uggeri | Open | 10 | +2.4 | +0.24 | -1.60 |
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 |
|---|---|---|---|---|---|---|---|
| +7.7 | Round 9 | CANADA Seniors | 23 | 6♦ | ♥9 | = | -8 |
| +7.4 | Round 9 | CANADA Seniors | 30 | 3NT | ♦J | = | -1 |
| +4.8 | Round 10 | ITALY Mixed | 6 | 4♠ | ♣10 | -2 | +8 |
| +3.4 | Round 9 | CANADA Seniors | 29 | 2♥ | ♠Q | -1 | +1 |
| +3.1 | Round 10 | ITALY Mixed | 7 | 3NT | ♠K | = | +0 |
| +2.7 | Round 10 | ITALY Mixed | 2 | 4♠ | ♥A | = | +3 |
| +2.1 | Round 9 | CANADA Seniors | 21 | 3♠ | ♦A | = | +7 |
| +1.4 | Round 9 | CANADA Seniors | 26 | 3NT | ♠5 | +3 | -12 |
| +1.0 | Round 10 | ITALY Mixed | 4 | 3♠ | ♥5 | -1 | -1 |
| +0.2 | Round 10 | ITALY Mixed | 3 | 3♣ | ♦10 | +2 | -6 |
| -0.0 | Round 10 | ITALY Mixed | 8 | 6NT | ♣7 | = | -11 |
| -0.1 | Round 9 | CANADA Seniors | 24 | 2♥ | ♠2 | -1 | -4 |
| -0.6 | Round 9 | CANADA Seniors | 27 | 3♠ | ♥A | +1 | +6 |
| -1.3 | Round 10 | ITALY Mixed | 10 | 2♠ | ♥4 | = | +0 |
| -1.4 | Round 10 | ITALY Mixed | 9 | Pass | +3 | ||
| -1.7 | Round 9 | CANADA Seniors | 25 | 4♥ | ♦4 | +2 | -11 |
| -2.7 | Round 10 | ITALY Mixed | 1 | 1NT | ♦10 | +1 | -5 |
| -3.2 | Round 9 | CANADA Seniors | 22 | 5♦ | ♣A | -1 | -5 |
| -3.7 | Round 9 | CANADA Seniors | 28 | 3♥ | ♣10 | = | -2 |
| -4.0 | Round 10 | ITALY Mixed | 5 | 2♠ | ♣A | -2 | -7 |