DONATI Giovanni · ALPERT
vs par split: bidding -0.51 · play +0.07
Strength of schedule: opponents averaged +0.08/bd (a tough draw) → opponent-adjusted +0.88/bd
Card play — on target: opening leads 92.9% #44 of 428 · declarer play 60.9% #395 of 428 · defence 85.7% #147 of 428
Bidding activity — not a pass: 55.6% #6 of 428 (129/232)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 91.7% (12) |
| Declarer play | 66.7% (3) | 60.0% (20) |
| Defence | 80.0% (5) | 87.0% (23) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 83.3% (6) · ♦ 100.0% (4) · ♣ 100.0% (2)
vs par by strain: NT -1.09 (11) · a suit -0.32 (59)
vs par by level: part-score -0.67 (21) · game +1.50 (40) · slam -8.56 (9)
By role: declaring +0.62/bd (-2.50 vs par · 42) · defending +1.07/bd (+2.64 vs par · 28)
By vulnerability: vulnerable +0.88/bd (+0.77 vs par · 35) · not vulnerable +0.72/bd (-1.66 vs par · 35)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | G.Percario | S.Thorpe – S.Van Oosten | Open | 10 | +27.6 | +2.76 | -0.40 |
| Round 4 | G.Percario | A.Medlin – J.Medlin | Closed | 10 | +29.2 | +2.92 | +4.00 |
| Round 5 | G.Percario | S.Hult – P.Bertheau | Closed | 10 | -18.2 | -1.82 | -2.20 |
| Round 7 | G.Percario | N.Bausback – B.Wodniansky | Closed | 10 | +28.3 | +2.83 | +0.40 |
| Round 8 | G.Percario | V.Kiljan – T.Sprinkhuizen | Open | 10 | -12.7 | -1.27 | -1.90 |
| Round 9 | G.Percario | J.Cieslak – T.Modrzejewski | Closed | 10 | -1.0 | -0.10 | -1.20 |
| Round 10 | G.Percario | A.Gerli – L.Fruscoloni | Closed | 10 | +2.8 | +0.28 | -1.80 |
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 4 | CZECHIA JAS | 10 | 4♠ | ♥Q | = | +10 |
| +10.1 | Round 7 | DANGER | 3 | 4♠x | ♥K | -2 | +8 |
| +8.4 | Round 4 | CZECHIA JAS | 7 | 4♠ | ♣A | +2 | +11 |
| +7.2 | Round 1 | TEAM FUNBRIDGE | 5 | 4♠ | ♦6 | -1 | +10 |
| +6.8 | Round 1 | TEAM FUNBRIDGE | 2 | 4♥ | ♣K | = | +3 |
| +6.6 | Round 7 | DANGER | 2 | 6♠ | ♦3 | = | -13 |
| +6.5 | Round 4 | CZECHIA JAS | 1 | 4♠x | ♥K | -2 | +9 |
| +6.0 | Round 4 | CZECHIA JAS | 2 | 4♠ | ♣T | +1 | +13 |
| +5.7 | Round 7 | DANGER | 10 | 5♥ | ♣K | -1 | +13 |
| +5.4 | Round 9 | BAOLZU | 21 | 4♠ | ♥5 | -1 | +6 |
| +5.1 | Round 9 | BAOLZU | 27 | 5♦x | ♥K | -2 | +9 |
| +4.9 | Round 4 | CZECHIA JAS | 8 | 6♥ | ♣J | = | +0 |
| +4.7 | Round 7 | DANGER | 8 | 6♠ | ♥7 | = | -11 |
| +4.7 | Round 10 | BIANCHI | 2 | 6♥ | ♦3 | = | -11 |
| +4.5 | Round 9 | BAOLZU | 28 | 5♣ | ♦A | = | -1 |
| +4.3 | Round 8 | TEAMNL OPEN | 19 | 3♣ | ♠T | -1 | +5 |
| +4.2 | Round 10 | BIANCHI | 9 | 5♣ | ♥A | = | +0 |
| +4.1 | Round 1 | TEAM FUNBRIDGE | 9 | 4♥ | ♠K | = | -1 |
| +4.0 | Round 8 | TEAMNL OPEN | 12 | 4♠x | ♦A | -2 | +3 |
| +3.9 | Round 1 | TEAM FUNBRIDGE | 4 | 4♥ | ♠4 | = | +0 |
| +3.1 | Round 1 | TEAM FUNBRIDGE | 1 | 3NT | ♥3 | = | -11 |
| +3.1 | Round 7 | DANGER | 4 | 2♠ | ♠J | -3 | +5 |
| +3.1 | Round 8 | TEAMNL OPEN | 14 | 3NT | ♦T | -2 | +5 |
| +2.9 | Round 10 | BIANCHI | 7 | 3NTx | ♣K | -1 | +8 |
| +2.5 | Round 5 | TEAM BLACK | 18 | 3♠ | ♥Q | = | +0 |
| +2.4 | Round 4 | CZECHIA JAS | 9 | 5♣x | ♣J | = | +10 |
| +2.1 | Round 1 | TEAM FUNBRIDGE | 3 | 3NT | ♠Q | +1 | -1 |
| +1.3 | Round 5 | TEAM BLACK | 14 | 4♠ | ♥Q | -1 | -2 |
| +1.3 | Round 10 | BIANCHI | 4 | 4♠ | ♥5 | +1 | +0 |
| +1.2 | Round 1 | TEAM FUNBRIDGE | 7 | 3NT | ♣7 | -1 | -6 |
| +1.2 | Round 7 | DANGER | 6 | 2♣ | ♠3 | -1 | +0 |
| +1.1 | Round 8 | TEAMNL OPEN | 20 | 3♦ | ♥8 | +1 | +1 |
| +1.0 | Round 1 | TEAM FUNBRIDGE | 6 | 2♦ | ♥5 | +1 | +0 |
| +0.7 | Round 10 | BIANCHI | 3 | 3NT | ♦T | +2 | +0 |
| +0.6 | Round 7 | DANGER | 9 | 4♥ | ♣T | +1 | +0 |
| +0.6 | Round 10 | BIANCHI | 1 | 3♣ | ♦A | -1 | -2 |
| +0.4 | Round 7 | DANGER | 7 | 4♦ | ♠5 | -4 | +7 |
| +0.3 | Round 9 | BAOLZU | 29 | 2♠ | ♥8 | -1 | -1 |
| +0.2 | Round 7 | DANGER | 1 | 4♠ | ♠4 | = | +0 |
| +0.2 | Round 10 | BIANCHI | 8 | 5♣ | ♠4 | -1 | -5 |
| +0.1 | Round 10 | BIANCHI | 6 | 3♠ | ♥A | +1 | +6 |
| +0.0 | Round 9 | BAOLZU | 26 | 4♠ | ♠4 | = | -1 |
| -0.1 | Round 1 | TEAM FUNBRIDGE | 8 | 2♠ | ♥8 | -1 | +1 |
| -0.2 | Round 5 | TEAM BLACK | 11 | 2♥ | ♣Q | -1 | -2 |
| -0.4 | Round 8 | TEAMNL OPEN | 16 | 4♥ | ♣T | +1 | +0 |
| -0.5 | Round 9 | BAOLZU | 22 | 4♥ | ♦2 | = | -1 |
| -0.6 | Round 5 | TEAM BLACK | 13 | 4♠ | ♣J | +2 | +13 |
| -0.6 | Round 5 | TEAM BLACK | 19 | 2♥ | ♠5 | = | +0 |
| -0.8 | Round 5 | TEAM BLACK | 16 | 6♥ | ♦Q | = | +0 |
| -1.0 | Round 8 | TEAMNL OPEN | 11 | 1NT | ♥2 | -1 | -2 |
| -1.0 | Round 9 | BAOLZU | 30 | 2♣ | ♠Q | +4 | -6 |
| -1.2 | Round 4 | CZECHIA JAS | 5 | 4♠x | ♣A | -1 | +5 |
| -1.3 | Round 4 | CZECHIA JAS | 3 | 3NT | ♥3 | -1 | -6 |
| -1.4 | Round 8 | TEAMNL OPEN | 18 | 4♥ | ♠A | = | +0 |
| -1.6 | Round 9 | BAOLZU | 24 | 2♠ | ♥8 | +2 | -4 |
| -1.7 | Round 1 | TEAM FUNBRIDGE | 10 | 1NT | ♦7 | = | +1 |
| -1.8 | Round 8 | TEAMNL OPEN | 13 | 3♥ | ♣6 | -2 | -3 |
| -1.8 | Round 10 | BIANCHI | 10 | 2NT | ♠9 | -1 | +0 |
| -2.1 | Round 5 | TEAM BLACK | 17 | 3♦ | ♠6 | -2 | -5 |
| -2.4 | Round 5 | TEAM BLACK | 12 | 4♠ | ♥5 | +1 | +0 |
| -2.6 | Round 4 | CZECHIA JAS | 4 | 6♥ | ♠A | = | +0 |
| -2.6 | Round 9 | BAOLZU | 25 | 3NT | ♥Q | +1 | +0 |
| -4.3 | Round 7 | DANGER | 5 | 4♠ | ♦3 | -1 | -5 |
| -4.7 | Round 4 | CZECHIA JAS | 6 | 5♠ | ♣A | -1 | -12 |
| -6.4 | Round 5 | TEAM BLACK | 20 | 3♦ | ♥A | +1 | -15 |
| -8.6 | Round 8 | TEAMNL OPEN | 17 | 6♦ | ♠K | -1 | -14 |
| -8.9 | Round 5 | TEAM BLACK | 15 | 4♠ | ♦J | +1 | -11 |
| -10.1 | Round 10 | BIANCHI | 5 | 6♠ | ♥5 | +1 | -14 |
| -10.6 | Round 9 | BAOLZU | 23 | 4♠x | ♦2 | -1 | -13 |
| -12.0 | Round 8 | TEAMNL OPEN | 15 | 6♦ | ♣3 | -1 | -14 |