DUBOIN Giorgio · CALANDRA
302rank
-6.7Butler · 100 bds
-0.07per board
±4.2swing
+0.39vs par /bd · #171/527
+0.18adjusted /bd
by round
vs par split: bidding +0.39 · play +0.04
Strength of schedule: opponents averaged +0.25/bd (a tough draw) → opponent-adjusted +0.18/bd
Card play — on target: opening leads 76.2% #343 of 527 · declarer play 76.9% #223 of 527 · defence 80.4% #432 of 527
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (9) | 83.3% (12) |
| Declarer play | 88.9% (9) | 70.6% (17) |
| Defence | 63.2% (19) | 92.6% (27) |
Opening leads by suit led: ♠ 57.1% (7) · ♥ 83.3% (6) · ♦ 100.0% (1) · ♣ 85.7% (7)
vs par by strain: NT +0.58 (33) · a suit +0.36 (66)
vs par by level: part-score +0.19 (31) · game +0.19 (63) · slam +5.00 (5)
By role: declaring +0.03/bd (-1.61 vs par · 54) · defending -0.18/bd (+2.74 vs par · 46)
By vulnerability: vulnerable +0.34/bd (+1.12 vs par · 50) · not vulnerable -0.47/bd (-0.34 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | E.Calandra | V.Ventos – J.Fantun | Open | 10 | +0.7 | +0.07 | -0.50 |
| Round 2 | E.Calandra | M.Schneider – G.Smykalla | Closed | 10 | +2.3 | +0.23 | +1.70 |
| Round 3 | E.Calandra | I.Gronkvist – R.Van Prooijen | Open | 10 | -23.2 | -2.32 | -2.60 |
| Round 4 | E.Calandra | A.Hellemann – F.Helness | Closed | 10 | +20.1 | +2.01 | +4.70 |
| Round 5 | E.Calandra | S.Peterkin – S.Punch | Closed | 10 | +9.9 | +0.99 | -0.10 |
| Round 6 | E.Calandra | M.Stegaroiu – B.Marina | Open | 10 | +19.0 | +1.90 | +2.10 |
| Round 7 | E.Calandra | D.Marquardt – V.Kovachev | Open | 10 | -8.5 | -0.85 | -0.50 |
| Round 8 | E.Calandra | J.Zmuda – M.Klukowski | Open | 10 | -25.1 | -2.51 | -0.90 |
| Round 9 | E.Calandra | J.Yang – X.Hu | Open | 10 | +2.5 | +0.25 | +1.50 |
| Round 10 | E.Calandra | I.Savchenko – C.Nell | Open | 10 | -4.4 | -0.44 | -1.50 |
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 |
|---|---|---|---|---|---|---|---|
| +13.5 | Round 6 | PERSIANI | 23 | 4♥x | ♠2 | = | +14 |
| +10.0 | Round 10 | MIAMI HEAT | 8 | 7♥ | ♠2 | = | +0 |
| +8.3 | Round 9 | JING HANG | 24 | 3NT | ♦4 | = | +7 |
| +8.2 | Round 4 | HELNESS | 2 | 3NT | ♣2 | = | +10 |
| +7.7 | Round 2 | LADY | 18 | 3NT | ♠6 | -2 | +0 |
| +7.4 | Round 1 | CORNEMUSE | 4 | 4♥ | ♣J | -2 | +13 |
| +7.4 | Round 6 | PERSIANI | 21 | 6♠ | ♦A | -1 | +14 |
| +7.2 | Round 7 | VALIO | 2 | 4♥ | ♣A | -4 | +3 |
| +6.5 | Round 4 | HELNESS | 9 | 4♠ | ♣2 | -1 | +12 |
| +6.0 | Round 4 | HELNESS | 6 | 3NT | ♦7 | +1 | +1 |
| +5.6 | Round 2 | LADY | 12 | 4♠ | ♥9 | +2 | +14 |
| +5.1 | Round 3 | WILSON | 30 | 3NT | ♥2 | -4 | +3 |
| +5.0 | Round 5 | PUNCH | 13 | 3♥ | ♦10 | = | +7 |
| +4.8 | Round 5 | PUNCH | 18 | 3NT | ♠4 | -2 | +6 |
| +4.1 | Round 4 | HELNESS | 10 | 4♠ | ♥A | = | -1 |
| +4.1 | Round 9 | JING HANG | 27 | 6NT | ♣6 | +1 | +11 |
| +3.9 | Round 1 | CORNEMUSE | 2 | 3NT | ♠A | -2 | +11 |
| +3.7 | Round 9 | JING HANG | 28 | 1NT | ♦2 | -1 | +5 |
| +3.0 | Round 3 | WILSON | 21 | 5♣ | ♥A | -2 | +6 |
| +3.0 | Round 6 | PERSIANI | 28 | 3NT | ♣4 | = | +0 |
| +2.6 | Round 6 | PERSIANI | 24 | 3NT | ♠2 | +1 | +0 |
| +2.6 | Round 7 | VALIO | 7 | 5♦ | ♠K | +1 | +1 |
| +2.5 | Round 9 | JING HANG | 30 | 4♥ | ♦4 | +1 | +0 |
| +2.2 | Round 5 | PUNCH | 15 | 4♥ | ♦10 | = | -1 |
| +1.9 | Round 6 | PERSIANI | 30 | 3NT | ♠10 | +2 | +1 |
| +1.8 | Round 7 | VALIO | 6 | 3♦ | ♣K | = | +5 |
| +1.8 | Round 10 | MIAMI HEAT | 6 | 1NT | ♠4 | -1 | +0 |
| +1.6 | Round 1 | CORNEMUSE | 5 | 3♣ | ♦7 | +1 | +0 |
| +1.5 | Round 5 | PUNCH | 14 | 3♠ | ♦Q | -1 | +4 |
| +1.5 | Round 5 | PUNCH | 19 | 3NT | ♥2 | +3 | -11 |
| +1.4 | Round 2 | LADY | 11 | 4♥ | ♠4 | = | +3 |
| +1.2 | Round 8 | SAKR | 14 | 3♥ | ♣6 | -1 | +2 |
| +1.1 | Round 4 | HELNESS | 8 | 4♥ | ♣J | = | +0 |
| +1.1 | Round 6 | PERSIANI | 22 | 2♦ | ♦2 | +2 | +9 |
| +1.1 | Round 8 | SAKR | 20 | 4♠ | ♦6 | +1 | +0 |
| +1.0 | Round 10 | MIAMI HEAT | 2 | 1NT | ♣5 | -1 | -3 |
| +0.7 | Round 1 | CORNEMUSE | 1 | 3NT | ♥6 | = | +2 |
| +0.7 | Round 10 | MIAMI HEAT | 10 | 4♠ | ♦4 | +2 | +1 |
| +0.4 | Round 4 | HELNESS | 7 | 4♥ | ♠9 | +2 | +12 |
| +0.4 | Round 8 | SAKR | 18 | 4♠ | ♠2 | +2 | +11 |
| +0.3 | Round 5 | PUNCH | 16 | 1NT | ♥Q | +3 | +2 |
| +0.2 | Round 2 | LADY | 14 | 4♠ | ♥2 | +1 | +0 |
| +0.2 | Round 2 | LADY | 16 | 3♥ | ♣Q | -1 | +5 |
| -0.0 | Round 5 | PUNCH | 20 | 4♠ | ♥J | = | +0 |
| -0.1 | Round 6 | PERSIANI | 25 | 2♠ | ♦8 | +2 | -2 |
| -0.1 | Round 8 | SAKR | 17 | 4♠ | ♥6 | = | -1 |
| -0.2 | Round 9 | JING HANG | 23 | 3NT | ♣6 | +1 | +1 |
| -0.3 | Round 4 | HELNESS | 4 | 2♠ | ♠2 | -2 | -2 |
| -0.3 | Round 5 | PUNCH | 11 | 4♠ | ♦8 | +1 | +0 |
| -0.3 | Round 7 | VALIO | 9 | Pass | -4 | ||
| -0.4 | Round 7 | VALIO | 5 | 4♥ | ♣A | +1 | +0 |
| -0.5 | Round 4 | HELNESS | 5 | 2♥ | ♥2 | +2 | +6 |
| -0.6 | Round 1 | CORNEMUSE | 8 | 3♥ | ♣A | -2 | -1 |
| -0.6 | Round 1 | CORNEMUSE | 10 | 4♠ | ♥A | +1 | -13 |
| -0.7 | Round 2 | LADY | 20 | 2♠ | ♥2 | -1 | -1 |
| -0.8 | Round 1 | CORNEMUSE | 3 | 5♥ | ♣Q | +1 | -11 |
| -0.8 | Round 9 | JING HANG | 26 | 2♦ | ♦2 | +1 | +0 |
| -0.8 | Round 10 | MIAMI HEAT | 1 | 5♣ | ♣2 | +1 | -11 |
| -1.0 | Round 2 | LADY | 19 | 4♠x | ♣K | -3 | +3 |
| -1.0 | Round 6 | PERSIANI | 27 | 1NT | ♥6 | +2 | -1 |
| -1.1 | Round 5 | PUNCH | 12 | 4♠ | ♦7 | -2 | -8 |
| -1.1 | Round 8 | SAKR | 12 | 3NT | ♣3 | +2 | -1 |
| -1.4 | Round 2 | LADY | 17 | 4♥ | ♣K | +1 | +0 |
| -1.4 | Round 10 | MIAMI HEAT | 7 | 3♣x | ♦4 | -1 | -2 |
| -1.4 | Round 10 | MIAMI HEAT | 9 | 2♦x | ♥K | -1 | +0 |
| -1.6 | Round 3 | WILSON | 29 | 3♦ | ♣2 | = | +1 |
| -1.6 | Round 7 | VALIO | 3 | 5♦ | ♣8 | -1 | -5 |
| -1.6 | Round 8 | SAKR | 11 | 2♥ | ♦2 | -1 | -4 |
| -1.9 | Round 8 | SAKR | 15 | 2NT | ♥5 | -1 | +0 |
| -2.2 | Round 3 | WILSON | 23 | 4♠ | ♥2 | +2 | -9 |
| -2.2 | Round 3 | WILSON | 26 | 1NT | ♠2 | +3 | -2 |
| -2.4 | Round 9 | JING HANG | 21 | 2NT | ♣K | +1 | -1 |
| -2.5 | Round 4 | HELNESS | 3 | 4♥ | ♣2 | -2 | +9 |
| -2.8 | Round 9 | JING HANG | 25 | 1NT | ♣7 | -2 | +0 |
| -2.9 | Round 4 | HELNESS | 1 | 6♠ | ♥A | = | +0 |
| -3.0 | Round 1 | CORNEMUSE | 6 | 3NT | ♠4 | = | +13 |
| -3.1 | Round 10 | MIAMI HEAT | 5 | 1NT | ♣5 | -2 | -3 |
| -3.2 | Round 3 | WILSON | 28 | 2♠x | ♠9 | -1 | -3 |
| -3.4 | Round 2 | LADY | 13 | 6♠ | ♣3 | = | +0 |
| -3.5 | Round 7 | VALIO | 4 | 4♥ | ♣J | -1 | +1 |
| -3.6 | Round 7 | VALIO | 1 | 4♠ | ♦7 | -2 | +0 |
| -3.6 | Round 8 | SAKR | 19 | 4♠ | ♥A | = | -3 |
| -3.8 | Round 1 | CORNEMUSE | 7 | 4♥ | ♦6 | -1 | -12 |
| -3.9 | Round 3 | WILSON | 22 | 5♣ | ♠J | = | -3 |
| -4.0 | Round 5 | PUNCH | 17 | 3NT | ♠2 | +1 | +0 |
| -4.0 | Round 6 | PERSIANI | 29 | 3NT | ♠2 | +2 | -1 |
| -4.1 | Round 1 | CORNEMUSE | 9 | 2NT | ♠8 | +1 | -7 |
| -4.2 | Round 3 | WILSON | 24 | 4♠ | ♦A | -3 | -2 |
| -4.9 | Round 9 | JING HANG | 22 | 2♠ | ♣K | +3 | -6 |
| -5.0 | Round 9 | JING HANG | 29 | 3♦ | ♥8 | -2 | -2 |
| -5.1 | Round 7 | VALIO | 8 | 3NT | ♦Q | +1 | +0 |
| -5.1 | Round 10 | MIAMI HEAT | 4 | 5♣ | ♥2 | = | +13 |
| -5.4 | Round 6 | PERSIANI | 26 | 5♠ | ♥8 | -2 | -13 |
| -5.5 | Round 3 | WILSON | 25 | 3NT | ♥6 | -1 | -10 |
| -5.6 | Round 7 | VALIO | 10 | 4♠ | ♥4 | -1 | -6 |
| -6.1 | Round 10 | MIAMI HEAT | 3 | 4♥ | ♣Q | = | -10 |
| -6.3 | Round 2 | LADY | 15 | 3NT | ♥2 | -2 | -7 |
| -7.8 | Round 8 | SAKR | 16 | 4♠ | ♥K | = | -10 |
| -8.5 | Round 3 | WILSON | 27 | 3NT | ♥2 | = | -7 |
| -11.7 | Round 8 | SAKR | 13 | 4♥ | ♠K | = | -3 |