PIEDRA Fernando · MSV
176rank
+11.3Butler · 100 bds
+0.11per board
±4.7swing
+0.27vs par /bd · #147/428
+0.17adjusted /bd
by round
vs par split: bidding -0.13 · play +0.37
Strength of schedule: opponents averaged +0.05/bd (a tough draw) → opponent-adjusted +0.17/bd
Card play — on target: opening leads 84.0% #175 of 428 · declarer play 82.8% #109 of 428 · defence 86.0% #137 of 428
Bidding activity — not a pass: 38.4% #377 of 428 (106/276)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (6) | 78.9% (19) |
| Declarer play | 88.9% (9) | 80.0% (20) |
| Defence | 87.5% (8) | 85.7% (42) |
Opening leads by suit led: ♠ 87.5% (8) · ♥ 80.0% (5) · ♦ 100.0% (2) · ♣ 80.0% (10)
vs par by strain: NT -0.14 (21) · a suit +0.35 (78)
vs par by level: part-score +0.15 (33) · game +0.37 (62) · slam -1.00 (4)
By role: declaring -0.16/bd (-2.00 vs par · 49) · defending +0.34/bd (+2.44 vs par · 50)
By vulnerability: vulnerable -0.33/bd (-0.20 vs par · 51) · not vulnerable +0.57/bd (+0.76 vs par · 49)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | M.Mediero | M.Prokopowicz – B.Mroz | Closed | 10 | +11.8 | +1.18 | +4.00 |
| Round 2 | L.Mingot | M.Bilgen – B.Aslan | Closed | 10 | +5.1 | +0.51 | +1.90 |
| Round 3 | M.Mediero | R.Saporta-Tworzydlo – P.Saporta | Closed | 10 | -7.7 | -0.77 | -1.60 |
| Round 4 | L.Mingot | M.Knob – C.Wanha | Open | 10 | +33.2 | +3.32 | +4.20 |
| Round 5 | L.Mingot | R.Jagniewski – W.Gawel | Open | 10 | -24.8 | -2.48 | -3.60 |
| Round 6 | M.Sainz De Vicuna | C.Teodorescu – A.Ordog | Open | 10 | -10.6 | -1.06 | +0.00 |
| Round 7 | M.Sainz De Vicuna | A.Carletti – G.Vignaga | Open | 10 | +13.1 | +1.31 | +3.20 |
| Round 8 | M.Mediero | S.Cubukcu – I.Cubukcu | Closed | 10 | +3.4 | +0.34 | -1.50 |
| Round 9 | M.Mediero | J.Rombaut – L.Rombaut | Open | 10 | +18.9 | +1.89 | +1.00 |
| Round 10 | L.Mingot | S.Aluf – M.Yilmaz | Closed | 10 | -31.1 | -3.11 | -4.90 |
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 |
|---|---|---|---|---|---|---|---|
| +12.6 | Round 9 | CIRCUS TAMBOUR | 23 | 4♦x | ♥A | -5 | +13 |
| +10.8 | Round 4 | SUIT YOURSELF | 3 | 3NT | ♠8 | = | +10 |
| +9.9 | Round 4 | SUIT YOURSELF | 4 | 5♥ | ♣Q | +1 | +13 |
| +8.4 | Round 4 | SUIT YOURSELF | 2 | 4♠x | ♥5 | = | +13 |
| +8.4 | Round 7 | ITA WILD BOYS | 4 | 3NTx | ♥T | -1 | +8 |
| +8.1 | Round 7 | ITA WILD BOYS | 2 | 2♥x | ♣K | -3 | +17 |
| +7.6 | Round 6 | LEROUMAIN | 22 | 4♥ | ♠A | = | +10 |
| +6.9 | Round 1 | POLAND U16 | 2 | 4♥ | ♣A | -1 | +12 |
| +6.5 | Round 4 | SUIT YOURSELF | 1 | 4♠x | ♣A | -2 | +9 |
| +6.0 | Round 9 | CIRCUS TAMBOUR | 28 | 3NT | ♦K | +2 | +1 |
| +5.8 | Round 1 | POLAND U16 | 9 | 5♥ | ♣Q | -1 | +11 |
| +5.7 | Round 3 | BRIDGE MAGIQUE | 21 | 4♥ | ♣T | = | +0 |
| +5.5 | Round 7 | ITA WILD BOYS | 7 | 2♠ | ♥K | = | +0 |
| +5.4 | Round 9 | CIRCUS TAMBOUR | 21 | 4♠ | ♥5 | -1 | +6 |
| +5.0 | Round 9 | CIRCUS TAMBOUR | 30 | 3NT | ♠5 | +1 | +0 |
| +4.9 | Round 2 | ORENDA | 18 | 4♥ | ♣2 | = | +0 |
| +4.9 | Round 4 | SUIT YOURSELF | 8 | 6♥ | ♠7 | = | +0 |
| +4.6 | Round 4 | SUIT YOURSELF | 5 | 4♥ | ♠K | -2 | +11 |
| +4.3 | Round 7 | ITA WILD BOYS | 5 | 4♠ | ♦3 | -1 | +5 |
| +4.2 | Round 10 | ARMA | 9 | 3NT | ♠K | = | +0 |
| +4.1 | Round 2 | ORENDA | 11 | 4♠ | ♦4 | -2 | +11 |
| +4.0 | Round 2 | ORENDA | 14 | 4♣ | ♦K | = | +1 |
| +4.0 | Round 6 | LEROUMAIN | 27 | 3NT | ♠9 | -1 | +10 |
| +3.4 | Round 5 | GROUP ONE TEAM | 20 | 5♣ | ♥K | +1 | -13 |
| +3.3 | Round 6 | LEROUMAIN | 25 | 3NT | ♥3 | +1 | +0 |
| +3.1 | Round 8 | ANDROMEDA | 14 | 2NT | ♠T | -2 | +5 |
| +2.4 | Round 1 | POLAND U16 | 1 | 3♣ | ♥3 | +3 | +13 |
| +2.4 | Round 2 | ORENDA | 19 | 4♠ | ♥6 | +2 | +1 |
| +2.4 | Round 4 | SUIT YOURSELF | 9 | 5♣x | ♥J | = | +10 |
| +2.3 | Round 8 | ANDROMEDA | 17 | 4♥ | ♠A | +1 | -10 |
| +2.0 | Round 1 | POLAND U16 | 6 | Pass | +3 | ||
| +2.0 | Round 8 | ANDROMEDA | 11 | 3♦ | ♣J | -3 | +1 |
| +1.7 | Round 1 | POLAND U16 | 10 | 1NT | ♠J | = | -1 |
| +1.7 | Round 6 | LEROUMAIN | 24 | 3♠ | ♣3 | = | +1 |
| +1.6 | Round 10 | ARMA | 3 | 3NT | ♦T | +3 | +1 |
| +1.4 | Round 1 | POLAND U16 | 7 | 4♠ | ♦T | -2 | +8 |
| +1.3 | Round 2 | ORENDA | 12 | 4♥ | ♣3 | -1 | +6 |
| +1.3 | Round 6 | LEROUMAIN | 21 | 4♥ | ♠A | -1 | +6 |
| +1.3 | Round 8 | ANDROMEDA | 12 | 3NT | ♠4 | = | +0 |
| +1.2 | Round 2 | ORENDA | 15 | 3♦ | ♠K | -2 | +11 |
| +1.1 | Round 5 | GROUP ONE TEAM | 11 | 2♥ | ♣Q | -2 | +0 |
| +1.0 | Round 2 | ORENDA | 17 | 3♦ | ♠Q | -2 | +5 |
| +1.0 | Round 7 | ITA WILD BOYS | 3 | 5♥ | ♠A | -1 | +5 |
| +1.0 | Round 8 | ANDROMEDA | 13 | 2♥ | ♠J | -1 | +0 |
| +1.0 | Round 9 | CIRCUS TAMBOUR | 26 | 4♠ | ♦Q | +1 | +0 |
| +0.5 | Round 9 | CIRCUS TAMBOUR | 22 | 4♥ | ♦5 | +1 | +0 |
| +0.4 | Round 5 | GROUP ONE TEAM | 13 | 5♠ | ♣J | = | +13 |
| +0.4 | Round 10 | ARMA | 4 | 4♠ | ♥4 | = | -1 |
| +0.2 | Round 3 | BRIDGE MAGIQUE | 29 | 2♥ | ♣7 | = | +1 |
| +0.2 | Round 10 | ARMA | 8 | 5♣ | ♥3 | -1 | -5 |
| +0.1 | Round 1 | POLAND U16 | 8 | 2♠ | ♥8 | -1 | -1 |
| +0.1 | Round 3 | BRIDGE MAGIQUE | 22 | 3NT | ♣A | +1 | +0 |
| +0.1 | Round 8 | ANDROMEDA | 20 | 2♥ | ♠3 | -1 | +0 |
| -0.1 | Round 8 | ANDROMEDA | 19 | 1NT | ♠7 | +1 | +0 |
| -0.4 | Round 3 | BRIDGE MAGIQUE | 23 | 4♦ | ♥4 | = | +0 |
| -0.4 | Round 6 | LEROUMAIN | 30 | 4♥ | ♦A | +1 | +0 |
| -0.4 | Round 8 | ANDROMEDA | 16 | 4♥ | ♣J | +1 | +0 |
| -0.5 | Round 3 | BRIDGE MAGIQUE | 27 | 2♠ | ♥3 | = | -5 |
| -0.6 | Round 7 | ITA WILD BOYS | 9 | 3NT | ♠5 | +2 | +0 |
| -0.9 | Round 9 | CIRCUS TAMBOUR | 24 | 3♠ | ♠K | +2 | -3 |
| -1.0 | Round 5 | GROUP ONE TEAM | 14 | 4♦ | ♦K | -1 | -4 |
| -1.2 | Round 7 | ITA WILD BOYS | 1 | 4♠ | ♥T | +1 | -1 |
| -1.2 | Round 7 | ITA WILD BOYS | 6 | 2♥ | ♥3 | -1 | +0 |
| -1.4 | Round 8 | ANDROMEDA | 18 | 4♥ | ♦7 | = | +0 |
| -1.5 | Round 3 | BRIDGE MAGIQUE | 25 | 4♠x | ♦A | -2 | -5 |
| -1.8 | Round 3 | BRIDGE MAGIQUE | 30 | 4♠ | ♥6 | = | +0 |
| -1.8 | Round 5 | GROUP ONE TEAM | 16 | 6♥ | ♠5 | +1 | -1 |
| -1.8 | Round 10 | ARMA | 1 | 3♥ | ♣5 | -1 | -4 |
| -1.8 | Round 10 | ARMA | 10 | 1NT | ♠4 | -1 | +0 |
| -2.1 | Round 1 | POLAND U16 | 3 | 4♥ | ♠Q | = | +1 |
| -2.4 | Round 5 | GROUP ONE TEAM | 12 | 4♠ | ♥5 | +1 | +0 |
| -2.5 | Round 1 | POLAND U16 | 5 | 3♠ | ♦T | +2 | -6 |
| -2.6 | Round 9 | CIRCUS TAMBOUR | 25 | 3NT | ♥K | +1 | +0 |
| -2.7 | Round 3 | BRIDGE MAGIQUE | 28 | 4♠ | ♣3 | = | -3 |
| -2.8 | Round 9 | CIRCUS TAMBOUR | 27 | 4♥x | ♣2 | -1 | +0 |
| -3.1 | Round 2 | ORENDA | 16 | 1NT | ♠9 | = | +0 |
| -3.3 | Round 3 | BRIDGE MAGIQUE | 26 | 4♥ | ♦Q | = | +1 |
| -3.3 | Round 4 | SUIT YOURSELF | 10 | 3♦ | ♥A | -1 | -6 |
| -3.4 | Round 6 | LEROUMAIN | 29 | 3♦ | ♠6 | +2 | -1 |
| -3.5 | Round 3 | BRIDGE MAGIQUE | 24 | 2♣ | ♦Q | = | -5 |
| -3.9 | Round 1 | POLAND U16 | 4 | 4♥ | ♠3 | = | +0 |
| -4.4 | Round 2 | ORENDA | 20 | 3NT | ♥Q | -1 | -6 |
| -4.5 | Round 8 | ANDROMEDA | 15 | 3NT | ♠2 | +1 | -11 |
| -4.7 | Round 4 | SUIT YOURSELF | 6 | 4♠ | ♦2 | -1 | -12 |
| -4.8 | Round 5 | GROUP ONE TEAM | 18 | 4♠ | ♥A | -3 | -7 |
| -5.2 | Round 5 | GROUP ONE TEAM | 19 | 3♥ | ♠3 | -1 | -5 |
| -5.3 | Round 9 | CIRCUS TAMBOUR | 29 | 2♠ | ♥8 | +1 | -7 |
| -5.5 | Round 7 | ITA WILD BOYS | 8 | 6♠ | ♣A | +1 | +11 |
| -5.6 | Round 6 | LEROUMAIN | 28 | 2♣ | ♠2 | -3 | -6 |
| -5.7 | Round 7 | ITA WILD BOYS | 10 | 5♥ | ♣K | -1 | -13 |
| -5.8 | Round 10 | ARMA | 6 | 4♠ | ♣3 | = | +0 |
| -5.9 | Round 10 | ARMA | 2 | 4♥ | ♣K | +2 | -14 |
| -6.3 | Round 2 | ORENDA | 13 | 5♣ | ♠A | = | -10 |
| -6.3 | Round 4 | SUIT YOURSELF | 7 | 4♠ | ♦A | -1 | -6 |
| -6.3 | Round 5 | GROUP ONE TEAM | 17 | 4♦x | ♥7 | -2 | -9 |
| -6.3 | Round 6 | LEROUMAIN | 26 | 3NT | ♠Q | -2 | -7 |
| -8.2 | Round 5 | GROUP ONE TEAM | 15 | 4♠ | ♦J | = | -10 |
| -10.1 | Round 10 | ARMA | 5 | 6♠ | ♥4 | +1 | -14 |
| -12.1 | Round 10 | ARMA | 7 | 4♠x | ♥A | -3 | -12 |
| -12.8 | Round 6 | LEROUMAIN | 23 | 3NT | ♠Q | -2 | -13 |