BYRNE Michael · KNOTTENBELT
vs par split: bidding -0.50 · play -0.14
Strength of schedule: opponents averaged -0.81/bd (an easy draw) → opponent-adjusted +0.28/bd
Card play — on target: opening leads 71.4% · declarer play 95.0% · defence 85.7%
Bidding activity — not a pass: 51.9% (80/154)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (3) | 50.0% (4) |
| Declarer play | 85.7% (7) | 100.0% (13) |
| Defence | 80.0% (5) | 87.5% (16) |
Opening leads by suit led: ♠ 0.0% (1) · ♥ 66.7% (3) · ♦ 100.0% (2) · ♣ 100.0% (1)
vs par by strain: NT -2.53 (15) · a suit +0.05 (41)
vs par by level: part-score -0.77 (13) · game -1.49 (37) · slam +4.83 (6)
By role: declaring +0.51/bd (-2.60 vs par · 35) · defending +2.06/bd (+2.62 vs par · 21)
By vulnerability: vulnerable -0.07/bd (-2.89 vs par · 28) · not vulnerable +2.25/bd (+1.61 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 64 | M.Knottenbelt | O.Bessis – S.Messika | Closed | 14 | +35.1 | +2.51 | +4.14 |
| Round of 64 | M.Knottenbelt | S.Messika – O.Bessis | Closed | 14 | +9.7 | +0.69 | -0.86 |
| Round of 32 | M.Knottenbelt | S.Golebiowski – M.Blach | Closed | 14 | +38.9 | +2.78 | -0.93 |
| Round of 32 | M.Knottenbelt | M.Blach – S.Golebiowski | Open | 14 | -22.7 | -1.62 | -4.93 |
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 |
|---|---|---|---|---|---|---|---|
| +13.0 | Round of 64 | LOSS | 13 | 4♥x | ♠T | -4 | +15 |
| +12.5 | Round of 32 | ALTERIS NUCLEAR | 23 | 6♣ | ♦T | = | -1 |
| +11.1 | Round of 32 | ALTERIS NUCLEAR | 1 | 6♣ | ♠A | = | +0 |
| +8.4 | Round of 32 | ALTERIS NUCLEAR | 5 | 3NT | ♠3 | -1 | +12 |
| +8.3 | Round of 64 | LOSS | 17 | 6♠x | ♣8 | -2 | +9 |
| +6.8 | Round of 64 | LOSS | 11 | 6♥ | ♣A | -1 | +10 |
| +5.7 | Round of 64 | LOSS | 12 | 3NT | ♥J | +1 | +6 |
| +5.5 | Round of 32 | ALTERIS NUCLEAR | 3 | 6♣ | ♥4 | = | +0 |
| +5.2 | Round of 32 | ALTERIS NUCLEAR | 22 | 1NT | ♦6 | +3 | +8 |
| +4.8 | Round of 32 | ALTERIS NUCLEAR | 11 | 5♦ | ♠8 | +1 | +1 |
| +4.3 | Round of 32 | ALTERIS NUCLEAR | 7 | 4♠ | ♦7 | = | +0 |
| +3.9 | Round of 32 | ALTERIS NUCLEAR | 10 | 3♥ | ♠7 | +2 | +7 |
| +3.8 | Round of 64 | LOSS | 28 | 3NT | ♦T | = | -1 |
| +3.7 | Round of 32 | ALTERIS NUCLEAR | 19 | 4♠ | ♣J | -2 | +2 |
| +3.1 | Round of 64 | LOSS | 25 | 4♥ | ♣T | -2 | +0 |
| +3.0 | Round of 64 | LOSS | 20 | 4♠ | ♣7 | -3 | -4 |
| +2.7 | Round of 64 | LOSS | 5 | 4♠ | ♦K | -2 | +13 |
| +2.6 | Round of 64 | LOSS | 1 | 1NT | ♠Q | +2 | -6 |
| +2.6 | Round of 64 | LOSS | 18 | 4♠ | ♣6 | = | +0 |
| +2.4 | Round of 32 | ALTERIS NUCLEAR | 12 | 5♠ | ♦9 | = | -11 |
| +2.3 | Round of 32 | ALTERIS NUCLEAR | 14 | 3♦ | ♣K | -1 | +2 |
| +2.2 | Round of 64 | LOSS | 8 | 4♠x | ♥A | -2 | +0 |
| +2.2 | Round of 64 | LOSS | 14 | 6♠ | ♦6 | +1 | +11 |
| +2.0 | Round of 64 | LOSS | 24 | 4♠ | ♥Q | +1 | +0 |
| +2.0 | Round of 32 | ALTERIS NUCLEAR | 2 | 3NT | ♠2 | +2 | +1 |
| +1.8 | Round of 32 | ALTERIS NUCLEAR | 9 | 4♥ | ♠J | +1 | +0 |
| +1.6 | Round of 32 | ALTERIS NUCLEAR | 13 | 3NT | ♥A | -1 | -5 |
| +1.0 | Round of 64 | LOSS | 3 | 3♦ | ♠J | = | +0 |
| +1.0 | Round of 64 | LOSS | 6 | 3♠ | ♦A | -2 | -11 |
| +0.9 | Round of 64 | LOSS | 16 | 4♥ | ♦6 | = | +1 |
| +0.9 | Round of 64 | LOSS | 21 | 3♦ | ♠K | -1 | +2 |
| +0.7 | Round of 64 | LOSS | 7 | 5♣ | ♠6 | = | +3 |
| +0.5 | Round of 64 | LOSS | 26 | 4♠ | ♥K | +1 | +0 |
| +0.4 | Round of 64 | LOSS | 2 | 4♠ | ♣Q | = | +11 |
| +0.2 | Round of 32 | ALTERIS NUCLEAR | 8 | 3NT | ♥4 | +1 | +0 |
| +0.1 | Round of 64 | LOSS | 22 | 4♠ | ♥7 | = | +3 |
| -0.0 | Round of 32 | ALTERIS NUCLEAR | 17 | 3NT | ♥3 | +1 | -1 |
| -0.3 | Round of 64 | LOSS | 10 | 4♥ | ♦K | = | +0 |
| -0.7 | Round of 64 | LOSS | 23 | 3♦ | ♥K | +2 | -10 |
| -0.7 | Round of 64 | LOSS | 27 | 5♠ | ♠5 | = | -1 |
| -0.9 | Round of 64 | LOSS | 9 | 2♥ | ♠8 | +2 | +6 |
| -1.8 | Round of 32 | ALTERIS NUCLEAR | 4 | 3NT | ♠7 | -1 | -12 |
| -1.9 | Round of 64 | LOSS | 15 | 3♦ | ♣Q | -1 | +3 |
| -2.0 | Round of 64 | LOSS | 4 | 3NT | ♥J | = | +0 |
| -2.3 | Round of 32 | ALTERIS NUCLEAR | 18 | 1NT | ♠J | -1 | -6 |
| -2.9 | Round of 32 | ALTERIS NUCLEAR | 24 | 3♥ | ♦K | -1 | -4 |
| -3.0 | Round of 32 | ALTERIS NUCLEAR | 26 | 2♠ | ♣A | = | -1 |
| -3.7 | Round of 32 | ALTERIS NUCLEAR | 25 | 4♥ | ♦9 | -1 | -5 |
| -3.9 | Round of 32 | ALTERIS NUCLEAR | 27 | 4♠ | ♥J | -1 | -4 |
| -4.1 | Round of 32 | ALTERIS NUCLEAR | 16 | 5♣ | ♥A | = | -13 |
| -4.4 | Round of 32 | ALTERIS NUCLEAR | 28 | 5♣x | ♠Q | -1 | -8 |
| -5.4 | Round of 32 | ALTERIS NUCLEAR | 21 | 4♠ | ♥6 | = | -7 |
| -6.4 | Round of 32 | ALTERIS NUCLEAR | 15 | 3NT | ♣6 | -1 | -12 |
| -7.6 | Round of 32 | ALTERIS NUCLEAR | 6 | 3NT | ♥K | -2 | -8 |
| -8.0 | Round of 32 | ALTERIS NUCLEAR | 20 | 4♠ | ♥K | +3 | -17 |
| -12.2 | Round of 64 | LOSS | 19 | 3NT | ♣Q | -3 | -14 |