🇮🇹 DUBOIN Giorgio · Italy
35rank
+11.7Butler · 80 bds
+0.15per board
±4.7swing
+0.66vs par /bd
+0.16adjusted /bd
by round
vs par split: bidding +0.78 · play +0.05
Strength of schedule: opponents averaged +0.01/bd (an average draw) → opponent-adjusted +0.16/bd
Card play — on target: opening leads 84.6% · declarer play 88.2% · defence 93.9%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 84.6% (13) |
| Declarer play | 100.0% (1) | 87.5% (16) |
| Defence | 100.0% (3) | 93.3% (30) |
Opening leads by suit led: ♠ 100.0% (4) · ♥ 100.0% (1) · ♦ 60.0% (5) · ♣ 100.0% (3)
vs par by strain: NT +0.70 (10) · a suit +0.85 (55)
vs par by level: part-score +1.91 (21) · game -0.07 (41) · slam +5.67 (3)
By role: declaring -0.51/bd (-2.19 vs par · 42) · defending +0.88/bd (+3.82 vs par · 38)
By vulnerability: vulnerable +0.49/bd (+1.62 vs par · 40) · not vulnerable -0.20/bd (-0.30 vs par · 40)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 19 | A.Sementa | B.Drijver – S.Brink | Closed | 20 | -21.4 | -1.07 | -3.45 |
| Round 22 | A.Sementa | M.Bessis – T.Bessis | Open | 20 | +4.6 | +0.23 | +1.95 |
| Round 24 | A.Sementa | B.Marina – I.Coldea | Open | 20 | +26.8 | +1.34 | +1.80 |
| Round 26 | A.Sementa | Y.Khyuppenen – V.Kholomeev | Closed | 20 | +1.7 | +0.08 | +2.35 |
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 |
|---|---|---|---|---|---|---|---|
| +15.0 | Round 24 | 🇷🇴 Romania | 1 | 4♠x | ♦J | -6 | +17 |
| +11.4 | Round 26 | 🇷🇺 Russia | 4 | 5♣ | ♥8 | -1 | +12 |
| +11.1 | Round 22 | 🇫🇷 France | 4 | 6♥ | ♥4 | -1 | +13 |
| +11.0 | Round 26 | 🇷🇺 Russia | 8 | 2♠x | ♥Q | = | +11 |
| +8.9 | Round 19 | 🇳🇱 Netherlands | 6 | 3N | ♦5 | +1 | +0 |
| +7.0 | Round 22 | 🇫🇷 France | 3 | 3N | ♣J | -1 | +10 |
| +6.0 | Round 24 | 🇷🇴 Romania | 8 | 3♦ | ♠Q | +1 | +7 |
| +6.0 | Round 24 | 🇷🇴 Romania | 9 | 3NT | ♠Q | = | +12 |
| +5.6 | Round 24 | 🇷🇴 Romania | 4 | 2♠ | ♥5 | = | +12 |
| +5.2 | Round 24 | 🇷🇴 Romania | 11 | 3♥ | ♣3 | +2 | +6 |
| +4.5 | Round 19 | 🇳🇱 Netherlands | 5 | 3N | ♦J | +3 | +1 |
| +4.1 | Round 26 | 🇷🇺 Russia | 12 | 6♥x | ♦9 | -2 | +15 |
| +4.0 | Round 22 | 🇫🇷 France | 6 | 5♣ | ♦6 | +1 | +11 |
| +3.9 | Round 22 | 🇫🇷 France | 13 | 4♠ | ♥K | = | +0 |
| +3.8 | Round 22 | 🇫🇷 France | 9 | 4♥ | ♣3 | -1 | +5 |
| +3.8 | Round 24 | 🇷🇴 Romania | 7 | 5♦x | ♣A | -1 | +9 |
| +3.5 | Round 22 | 🇫🇷 France | 5 | 2♠ | ♥6 | = | +6 |
| +3.1 | Round 22 | 🇫🇷 France | 17 | 4♠ | ♥2 | +1 | +0 |
| +3.0 | Round 19 | 🇳🇱 Netherlands | 15 | 2N | ♥5 | -1 | +12 |
| +2.4 | Round 19 | 🇳🇱 Netherlands | 16 | 5♥ | ♠4 | = | -4 |
| +2.3 | Round 22 | 🇫🇷 France | 20 | 4♥ | ♠4 | +2 | +1 |
| +2.2 | Round 24 | 🇷🇴 Romania | 6 | 3NT | ♣3 | +1 | +0 |
| +2.1 | Round 19 | 🇳🇱 Netherlands | 1 | 3♦ | ♣4 | -2 | -1 |
| +2.0 | Round 19 | 🇳🇱 Netherlands | 14 | 2♠ | ♠4 | +1 | -4 |
| +1.4 | Round 26 | 🇷🇺 Russia | 14 | 3♠ | ♥K | = | +0 |
| +1.1 | Round 24 | 🇷🇴 Romania | 2 | 3NT | ♣3 | = | +0 |
| +0.9 | Round 22 | 🇫🇷 France | 14 | 4♠ | ♦2 | = | +11 |
| +0.9 | Round 26 | 🇷🇺 Russia | 11 | 2♠ | ♦J | +1 | +7 |
| +0.6 | Round 24 | 🇷🇴 Romania | 19 | 3NT | ♠4 | +1 | +0 |
| +0.6 | Round 26 | 🇷🇺 Russia | 2 | 1N | ♠5 | +2 | +1 |
| +0.5 | Round 22 | 🇫🇷 France | 2 | 4♥ | ♠2 | +1 | +0 |
| +0.5 | Round 24 | 🇷🇴 Romania | 14 | 4♠ | ♦J | +1 | +0 |
| +0.4 | Round 19 | 🇳🇱 Netherlands | 2 | 3N | ♠Q | = | +0 |
| +0.4 | Round 22 | 🇫🇷 France | 16 | 3N | ♥2 | = | +11 |
| +0.4 | Round 24 | 🇷🇴 Romania | 15 | 4♠ | ♦2 | = | +0 |
| +0.3 | Round 19 | 🇳🇱 Netherlands | 18 | 4♥ | ♠4 | +1 | +0 |
| +0.3 | Round 24 | 🇷🇴 Romania | 12 | 1NT | ♦9 | -1 | +1 |
| +0.3 | Round 26 | 🇷🇺 Russia | 9 | 2♠ | ♥3 | +2 | +10 |
| +0.2 | Round 26 | 🇷🇺 Russia | 13 | 1N | ♠2 | = | +0 |
| +0.1 | Round 22 | 🇫🇷 France | 7 | 3N | ♥2 | +1 | +1 |
| +0.1 | Round 24 | 🇷🇴 Romania | 17 | 3NT | ♠9 | +1 | +1 |
| +0.1 | Round 24 | 🇷🇴 Romania | 18 | 3NT | ♠10 | +2 | +0 |
| +0.1 | Round 26 | 🇷🇺 Russia | 7 | 4♠ | ♦A | -2 | +2 |
| -0.0 | Round 22 | 🇫🇷 France | 11 | 3♣ | ♣4 | +1 | +7 |
| -0.1 | Round 24 | 🇷🇴 Romania | 20 | 1NT | ♥7 | -3 | +8 |
| -0.2 | Round 22 | 🇫🇷 France | 19 | 4♠ | ♣3 | = | +0 |
| -0.4 | Round 19 | 🇳🇱 Netherlands | 4 | 1N | ♠2 | +1 | +0 |
| -0.5 | Round 26 | 🇷🇺 Russia | 15 | 5♦ | ♥5 | -1 | +5 |
| -0.8 | Round 26 | 🇷🇺 Russia | 10 | 2♥ | ♠9 | = | +0 |
| -0.9 | Round 19 | 🇳🇱 Netherlands | 17 | 3♠ | ♦A | -2 | -8 |
| -1.0 | Round 22 | 🇫🇷 France | 12 | 2♦ | ♣K | +1 | +1 |
| -1.2 | Round 19 | 🇳🇱 Netherlands | 20 | 4♠ | ♠2 | -1 | +1 |
| -1.3 | Round 26 | 🇷🇺 Russia | 18 | 4♠ | ♣K | +1 | +0 |
| -1.5 | Round 19 | 🇳🇱 Netherlands | 13 | 5♣ | ♥J | -2 | -2 |
| -1.6 | Round 26 | 🇷🇺 Russia | 5 | 4♠ | ♣7 | = | +1 |
| -1.8 | Round 26 | 🇷🇺 Russia | 6 | 4♠ | ♦J | +1 | +0 |
| -1.8 | Round 26 | 🇷🇺 Russia | 19 | 2♥ | ♦Q | +3 | -6 |
| -1.9 | Round 26 | 🇷🇺 Russia | 17 | 2♣ | ♣3 | +1 | +0 |
| -2.0 | Round 19 | 🇳🇱 Netherlands | 19 | 5♦ | ♠8 | -1 | -16 |
| -2.3 | Round 19 | 🇳🇱 Netherlands | 9 | 4♠x | ♠5 | -2 | -8 |
| -2.4 | Round 24 | 🇷🇴 Romania | 5 | 3NT | ♣2 | -1 | -10 |
| -2.4 | Round 24 | 🇷🇴 Romania | 10 | 3♥ | ♠K | = | -10 |
| -2.7 | Round 24 | 🇷🇴 Romania | 3 | 2♥ | ♣A | = | +0 |
| -3.3 | Round 24 | 🇷🇴 Romania | 16 | 3NT | ♥6 | -1 | -5 |
| -3.3 | Round 26 | 🇷🇺 Russia | 1 | 2♥ | ♦7 | +1 | -7 |
| -3.8 | Round 22 | 🇫🇷 France | 1 | 4♠x | ♦Q | -1 | -5 |
| -3.9 | Round 19 | 🇳🇱 Netherlands | 3 | 4♠ | ♥7 | = | +0 |
| -3.9 | Round 26 | 🇷🇺 Russia | 20 | 4♥ | ♠2 | +1 | +13 |
| -4.2 | Round 26 | 🇷🇺 Russia | 16 | 3N | ♥2 | +4 | -10 |
| -4.6 | Round 19 | 🇳🇱 Netherlands | 10 | 3N | ♣3 | -1 | -6 |
| -4.6 | Round 19 | 🇳🇱 Netherlands | 11 | 3N | ♣4 | -1 | -5 |
| -5.6 | Round 22 | 🇫🇷 France | 8 | 3N | ♥4 | -1 | -5 |
| -6.4 | Round 22 | 🇫🇷 France | 15 | 5♠x | ♦A | -2 | -5 |
| -6.5 | Round 19 | 🇳🇱 Netherlands | 8 | 6N | ♥3 | -1 | -11 |
| -7.2 | Round 26 | 🇷🇺 Russia | 3 | 5♦ | ♠7 | = | -7 |
| -8.2 | Round 19 | 🇳🇱 Netherlands | 7 | 4♠ | ♥7 | = | -3 |
| -8.8 | Round 22 | 🇫🇷 France | 10 | 4♠ | ♦Q | -1 | -12 |
| -8.9 | Round 19 | 🇳🇱 Netherlands | 12 | 4♠x | ♠2 | = | -15 |
| -9.2 | Round 24 | 🇷🇴 Romania | 13 | 4♥ | ♦5 | -1 | -12 |
| -10.2 | Round 22 | 🇫🇷 France | 18 | 6♦ | ♥3 | -2 | -11 |