PIEDRA Fernando · SWITZERLAND OPEN
393rank
-25.8Butler · 100 bds
-0.26per board
±4.7swing
-0.47vs par /bd · #417/553
-0.01adjusted /bd
by round
vs par split: bidding -0.12 · play -0.35
Strength of schedule: opponents averaged +0.25/bd (a tough draw) → opponent-adjusted -0.01/bd
Card play — on target: opening leads 95.7% #14 of 551 · declarer play 68.6% #391 of 551 · defence 76.2% #504 of 553
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 80.0% (5) | 100.0% (18) |
| Declarer play | 46.2% (13) | 81.8% (22) |
| Defence | 88.9% (9) | 72.7% (33) |
Opening leads by suit led: ♠ 85.7% (7) · ♥ 100.0% (4) · ♦ 100.0% (7) · ♣ 100.0% (5)
vs par by strain: NT -0.73 (26) · a suit -0.38 (74)
vs par by level: part-score -0.55 (38) · game -0.68 (50) · slam +0.67 (12)
By role: declaring +0.29/bd (-1.57 vs par · 58) · defending -1.02/bd (+1.05 vs par · 42)
By vulnerability: vulnerable -0.95/bd (-1.22 vs par · 49) · not vulnerable +0.41/bd (+0.26 vs par · 51)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | B.Igla | S.Nuhoglu – S.Kuranoglu | Open | 10 | +12.1 | +1.21 | -1.30 |
| Round 2 | B.Igla | B.Marina – I.Coldea | Open | 10 | +1.8 | +0.18 | +0.70 |
| Round 3 | B.Igla | D.Bilde – G.Duboin | Open | 10 | -8.8 | -0.88 | -1.20 |
| Round 4 | B.Igla | J.De Botton – A.Malinowski | Open | 10 | +9.7 | +0.97 | -0.40 |
| Round 5 | B.Igla | S.Simonsen – C.Bakke | Open | 10 | -14.2 | -1.42 | +0.40 |
| Round 6 | B.Igla | J.Ron – G.Tislevoll | Open | 10 | -21.2 | -2.12 | -3.30 |
| Round 7 | B.Igla | G.Matushko – J.Khokhlov | Open | 10 | +23.4 | +2.34 | +2.10 |
| Round 8 | B.Igla | J.Pedersen – T.Norgaard | Open | 10 | -10.9 | -1.09 | -1.80 |
| Round 9 | B.Igla | J.Li – B.Zhang | Open | 10 | -12.0 | -1.20 | -0.70 |
| Round 10 | B.Igla | M.Klukowski – P.Gawrys | Open | 10 | -5.7 | -0.57 | +0.80 |
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 9 | CHINA OPEN | 25 | 4♠x | ♥A | = | +12 |
| +10.0 | Round 2 | COLDEA | 11 | 6♠ | ♦5 | -1 | +11 |
| +9.9 | Round 1 | CESS | 3 | 5♥ | ♠10 | -3 | +12 |
| +9.2 | Round 3 | LAVAZZA | 26 | 3NT | ♥8 | = | +10 |
| +8.1 | Round 4 | DE BOTTON | 3 | 6♠ | ♣6 | = | +0 |
| +7.4 | Round 4 | DE BOTTON | 8 | 5♠ | ♥K | +2 | +14 |
| +7.4 | Round 7 | KHIUPPENEN | 1 | 4♥ | ♠Q | -2 | +11 |
| +5.8 | Round 5 | GRY FOREVER | 11 | 3NT | ♠9 | -1 | +10 |
| +5.7 | Round 1 | CESS | 5 | 6♠ | ♠10 | = | +12 |
| +5.7 | Round 7 | KHIUPPENEN | 7 | 1NT | ♥2 | +1 | +12 |
| +5.3 | Round 1 | CESS | 6 | 6♠ | ♣5 | = | +0 |
| +4.5 | Round 2 | COLDEA | 18 | 1♥ | ♠8 | = | +5 |
| +4.5 | Round 8 | HENNEBERG | 18 | 5♦ | ♣K | -1 | +6 |
| +4.1 | Round 4 | DE BOTTON | 4 | 2♣ | ♣3 | = | +5 |
| +4.1 | Round 7 | KHIUPPENEN | 9 | 4♠ | ♥A | -3 | +7 |
| +3.9 | Round 6 | ZIGGY | 29 | 5♦x | ♠4 | -2 | -12 |
| +3.7 | Round 8 | HENNEBERG | 12 | 4♥ | ♠K | +1 | +2 |
| +3.5 | Round 6 | ZIGGY | 23 | 5♥ | ♣10 | -2 | +13 |
| +3.5 | Round 9 | CHINA OPEN | 30 | 4♥ | ♦K | = | +0 |
| +3.4 | Round 7 | KHIUPPENEN | 2 | 4♥ | ♠A | = | +0 |
| +2.8 | Round 4 | DE BOTTON | 9 | 3♠x | ♦K | -1 | -5 |
| +2.7 | Round 7 | KHIUPPENEN | 8 | 4♥ | ♦5 | = | +0 |
| +2.7 | Round 8 | HENNEBERG | 17 | 2NT | ♥2 | -3 | +1 |
| +2.6 | Round 3 | LAVAZZA | 21 | 2♥ | ♦2 | +2 | +1 |
| +2.6 | Round 4 | DE BOTTON | 5 | 3♠ | ♣4 | -1 | +5 |
| +2.6 | Round 10 | MAHAFFEY | 9 | 2♦ | ♥6 | +1 | +6 |
| +2.1 | Round 5 | GRY FOREVER | 13 | 4♠ | ♠2 | +1 | +0 |
| +2.1 | Round 5 | GRY FOREVER | 16 | 3♥ | ♦6 | = | +0 |
| +2.0 | Round 1 | CESS | 1 | 6♠ | ♦5 | = | +0 |
| +1.9 | Round 9 | CHINA OPEN | 22 | 4♦ | ♠A | -2 | +5 |
| +1.8 | Round 2 | COLDEA | 16 | 4♠ | ♣A | +1 | +0 |
| +1.7 | Round 3 | LAVAZZA | 25 | 2♠ | ♥Q | -1 | -1 |
| +1.7 | Round 10 | MAHAFFEY | 5 | 3NT | ♥Q | +2 | +0 |
| +1.5 | Round 4 | DE BOTTON | 6 | 3♣ | ♥Q | -1 | +2 |
| +1.4 | Round 5 | GRY FOREVER | 12 | 4♠ | ♥K | +2 | +1 |
| +1.3 | Round 2 | COLDEA | 15 | 2♠ | ♣A | = | -1 |
| +1.3 | Round 6 | ZIGGY | 27 | 3NT | ♠A | +2 | +1 |
| +1.2 | Round 3 | LAVAZZA | 24 | 3NT | ♣J | +3 | +2 |
| +0.9 | Round 7 | KHIUPPENEN | 5 | 3NT | ♠6 | +1 | +0 |
| +0.9 | Round 7 | KHIUPPENEN | 6 | 3NT | ♦K | +1 | +0 |
| +0.8 | Round 8 | HENNEBERG | 19 | 3♣ | ♦J | = | +7 |
| +0.8 | Round 10 | MAHAFFEY | 4 | 3NT | ♠3 | +3 | +1 |
| +0.7 | Round 5 | GRY FOREVER | 17 | 2♣ | ♥K | = | -1 |
| +0.7 | Round 7 | KHIUPPENEN | 4 | 3NT | ♦10 | = | +1 |
| +0.6 | Round 9 | CHINA OPEN | 29 | 3NT | ♠5 | +1 | +0 |
| +0.5 | Round 6 | ZIGGY | 30 | 4♥ | ♦K | -1 | +10 |
| +0.5 | Round 8 | HENNEBERG | 20 | 2♥ | ♥8 | = | +1 |
| +0.2 | Round 1 | CESS | 8 | 4NT | ♥6 | +2 | -11 |
| +0.2 | Round 4 | DE BOTTON | 10 | 4♠ | ♥2 | = | +0 |
| +0.1 | Round 3 | LAVAZZA | 27 | 2♠ | ♦9 | +2 | +7 |
| +0.1 | Round 9 | CHINA OPEN | 27 | 4♥ | ♦3 | +1 | +0 |
| +0.1 | Round 10 | MAHAFFEY | 6 | 4♥ | ♠8 | = | -1 |
| +0.0 | Round 1 | CESS | 7 | 4♥ | ♦A | = | +0 |
| +0.0 | Round 10 | MAHAFFEY | 10 | 4♠ | ♥5 | -1 | +5 |
| -0.1 | Round 10 | MAHAFFEY | 1 | 6♥ | ♥3 | +1 | +11 |
| -0.4 | Round 7 | KHIUPPENEN | 3 | 1NT | ♠4 | = | +0 |
| -0.5 | Round 8 | HENNEBERG | 14 | 4♦ | ♦6 | = | -5 |
| -0.6 | Round 2 | COLDEA | 17 | 1NT | ♠3 | -1 | +2 |
| -0.8 | Round 2 | COLDEA | 14 | 1NT | ♥6 | = | -1 |
| -0.9 | Round 2 | COLDEA | 12 | 3NT | ♠5 | +1 | +0 |
| -1.0 | Round 1 | CESS | 4 | 3NT | ♠4 | +3 | -12 |
| -1.1 | Round 6 | ZIGGY | 24 | 3NT | ♠6 | +2 | +0 |
| -1.3 | Round 3 | LAVAZZA | 30 | 3♥ | ♦2 | -1 | +2 |
| -1.5 | Round 8 | HENNEBERG | 15 | 1♦ | ♣K | +1 | -5 |
| -1.7 | Round 3 | LAVAZZA | 23 | 3♦ | ♣7 | +1 | +0 |
| -1.7 | Round 5 | GRY FOREVER | 18 | 4♥ | ♥5 | +1 | -1 |
| -1.7 | Round 10 | MAHAFFEY | 2 | 3NT | ♥6 | -1 | -1 |
| -1.8 | Round 6 | ZIGGY | 21 | 2♠ | ♦A | -1 | +0 |
| -2.0 | Round 4 | DE BOTTON | 1 | 2♠ | ♦4 | = | +0 |
| -2.0 | Round 7 | KHIUPPENEN | 10 | 2♥ | ♣K | +2 | -10 |
| -2.2 | Round 10 | MAHAFFEY | 3 | 3♣ | ♥2 | +1 | -7 |
| -2.3 | Round 1 | CESS | 2 | 5♥x | ♠A | -2 | -2 |
| -2.3 | Round 9 | CHINA OPEN | 28 | 3♥ | ♣2 | -1 | +1 |
| -2.4 | Round 9 | CHINA OPEN | 21 | 2♠ | ♦K | = | +1 |
| -2.6 | Round 10 | MAHAFFEY | 7 | 3♥ | ♦6 | = | -1 |
| -2.8 | Round 6 | ZIGGY | 22 | 3♠ | ♥3 | = | -7 |
| -3.1 | Round 6 | ZIGGY | 26 | 4♥ | ♦2 | +2 | -13 |
| -3.2 | Round 2 | COLDEA | 20 | 2♠ | ♦2 | -2 | -3 |
| -3.2 | Round 3 | LAVAZZA | 28 | 2♥ | ♠8 | +2 | -6 |
| -3.5 | Round 5 | GRY FOREVER | 15 | 1NT | ♦2 | -3 | -2 |
| -3.6 | Round 8 | HENNEBERG | 16 | 3NT | ♦3 | -2 | -13 |
| -3.7 | Round 1 | CESS | 9 | 5♦ | ♦6 | = | -11 |
| -3.8 | Round 2 | COLDEA | 19 | 3NT | ♣5 | -2 | -6 |
| -3.8 | Round 5 | GRY FOREVER | 19 | 2♠ | ♥Q | = | -5 |
| -4.0 | Round 1 | CESS | 10 | 3NT | ♠2 | -1 | -1 |
| -4.2 | Round 3 | LAVAZZA | 22 | 3NT | ♥3 | -1 | -12 |
| -4.2 | Round 9 | CHINA OPEN | 23 | 6♦ | ♥9 | = | +0 |
| -4.3 | Round 10 | MAHAFFEY | 8 | 5♥ | ♦A | -2 | -5 |
| -5.2 | Round 4 | DE BOTTON | 2 | 3♦ | ♣8 | -1 | -12 |
| -6.5 | Round 2 | COLDEA | 13 | 6♠ | ♠2 | = | +0 |
| -6.6 | Round 5 | GRY FOREVER | 20 | 5♣ | ♠K | = | +2 |
| -7.5 | Round 9 | CHINA OPEN | 24 | 5♥ | ♠10 | -1 | -14 |
| -7.7 | Round 8 | HENNEBERG | 11 | 7♥ | ♥3 | = | +0 |
| -9.7 | Round 6 | ZIGGY | 25 | 6♣ | ♠K | -1 | -13 |
| -9.8 | Round 4 | DE BOTTON | 7 | 6♦ | ♥3 | -1 | -13 |
| -9.8 | Round 8 | HENNEBERG | 13 | 5♦ | ♠K | -1 | -12 |
| -10.7 | Round 5 | GRY FOREVER | 14 | 6NT | ♣J | = | +0 |
| -11.9 | Round 6 | ZIGGY | 28 | 3♣xx | ♦10 | +2 | -12 |
| -12.5 | Round 9 | CHINA OPEN | 26 | 4♠x | ♦4 | = | -12 |
| -13.2 | Round 3 | LAVAZZA | 29 | 5♣x | ♠K | = | -15 |