CATZEFLIS Christian · ZAEHRINGER
90rank
+43.6Butler · 100 bds
+0.44per board
±4.1swing
+0.37vs par /bd · #123/428
+0.04adjusted /bd
by round
vs par split: bidding +0.21 · play +0.16
Strength of schedule: opponents averaged -0.39/bd (an easy draw) → opponent-adjusted +0.04/bd
Card play — on target: opening leads 90.0% #76 of 428 · declarer play 86.7% #63 of 428 · defence 79.2% #317 of 428
Bidding activity — not a pass: 40.5% #331 of 428 (111/274)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 60.0% (5) | 96.0% (25) |
| Declarer play | 100.0% (3) | 83.3% (12) |
| Defence | 80.0% (10) | 79.1% (43) |
Opening leads by suit led: ♠ 77.8% (9) · ♥ 100.0% (6) · ♦ 100.0% (8) · ♣ 85.7% (7)
vs par by strain: NT +3.44 (16) · a suit -0.21 (84)
vs par by level: part-score -0.66 (41) · game +1.38 (55) · slam -3.00 (4)
By role: declaring +0.67/bd (-1.72 vs par · 47) · defending +0.23/bd (+2.23 vs par · 53)
By vulnerability: vulnerable +0.74/bd (+0.68 vs par · 50) · not vulnerable +0.14/bd (+0.06 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | O.La Spada | R.Gheorghe – C.Branzoiu | Closed | 10 | -8.7 | -0.87 | -4.00 |
| Round 2 | O.La Spada | M.Adamczak – K.Turant | Closed | 10 | +8.4 | +0.84 | -0.70 |
| Round 3 | O.La Spada | H.Peyret – E.Erbil | Open | 10 | -14.0 | -1.40 | -0.90 |
| Round 4 | O.La Spada | M.Agica – D.Ignatescu | Closed | 10 | +16.2 | +1.62 | +1.30 |
| Round 5 | O.La Spada | R.Arraiano – J.Moraes | Open | 10 | +9.8 | +0.98 | +2.00 |
| Round 6 | O.La Spada | Y.Meyouhas – K.Meytal | Closed | 10 | +11.6 | +1.16 | +0.30 |
| Round 7 | O.La Spada | K.Lohay – E.Velecky | Open | 10 | -8.1 | -0.81 | -2.80 |
| Round 8 | O.La Spada | D.Sarzynski – J.Kaczorowski | Closed | 10 | +7.7 | +0.77 | +2.80 |
| Round 9 | O.La Spada | I.Wojciechowski – K.Miszczuk | Closed | 10 | +27.2 | +2.72 | +4.40 |
| Round 10 | O.La Spada | W.Bak – F.Kurlit | Open | 10 | -6.5 | -0.65 | +1.30 |
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 |
|---|---|---|---|---|---|---|---|
| +10.1 | Round 4 | IMPA | 1 | 4♠x | ♣A | = | +10 |
| +9.7 | Round 9 | WARSAW CZECHIA | 27 | 5♥x | ♦J | -3 | +9 |
| +9.4 | Round 9 | WARSAW CZECHIA | 23 | 4♠ | ♦2 | -1 | +12 |
| +8.2 | Round 5 | CARTAS E VINHO VERDE | 15 | 4♠ | ♣Q | = | +10 |
| +7.3 | Round 2 | POLAND U21 | 11 | 4♠ | ♥2 | = | +0 |
| +6.7 | Round 9 | WARSAW CZECHIA | 21 | 4♠ | ♥7 | = | +10 |
| +6.6 | Round 7 | SLOVAKIA BLUE | 2 | 6♠ | ♦K | = | -13 |
| +6.4 | Round 3 | ORENDA | 21 | 4♠ | ♦J | -3 | +11 |
| +6.3 | Round 4 | IMPA | 7 | 4♠ | ♦A | -1 | +6 |
| +5.9 | Round 6 | MACCABI YAFO | 27 | 3NT | ♠6 | = | +0 |
| +5.9 | Round 10 | FUNDACJA ESKOM | 2 | 5♥ | ♠8 | +1 | +14 |
| +5.7 | Round 7 | SLOVAKIA BLUE | 10 | 5♥ | ♣K | -1 | +13 |
| +5.4 | Round 1 | AMBRA | 10 | 1NT | ♠J | -2 | +7 |
| +4.7 | Round 4 | IMPA | 6 | 4♠ | ♦5 | -1 | +12 |
| +4.7 | Round 8 | DAJJ | 20 | 2♥ | ♠5 | = | +6 |
| +4.6 | Round 10 | FUNDACJA ESKOM | 7 | 4♠ | ♥A | -2 | +2 |
| +4.4 | Round 6 | MACCABI YAFO | 28 | 2♥x | ♠2 | -1 | +5 |
| +4.4 | Round 9 | WARSAW CZECHIA | 25 | 3NT | ♦K | +3 | +2 |
| +4.3 | Round 8 | DAJJ | 11 | 1NT | ♥3 | = | +5 |
| +4.2 | Round 4 | IMPA | 10 | 2♥ | ♠A | +1 | +7 |
| +4.1 | Round 1 | AMBRA | 9 | 4♥ | ♠J | = | -1 |
| +3.9 | Round 8 | DAJJ | 15 | 3NT | ♣A | +2 | +11 |
| +3.4 | Round 9 | WARSAW CZECHIA | 24 | 4♥ | ♣2 | -2 | +5 |
| +3.3 | Round 6 | MACCABI YAFO | 24 | 3♠ | ♣7 | -1 | +4 |
| +3.1 | Round 2 | POLAND U21 | 12 | 2♥ | ♠J | = | -1 |
| +3.1 | Round 6 | MACCABI YAFO | 29 | 3♦ | ♠7 | +1 | +0 |
| +2.8 | Round 2 | POLAND U21 | 17 | 2♠ | ♥J | -1 | -2 |
| +2.7 | Round 3 | ORENDA | 28 | 4♠ | ♦T | = | +3 |
| +2.7 | Round 8 | DAJJ | 14 | 2NT | ♦8 | = | +1 |
| +2.6 | Round 4 | IMPA | 4 | 6♥ | ♠J | = | +0 |
| +2.5 | Round 5 | CARTAS E VINHO VERDE | 14 | 3NT | ♣A | -2 | +5 |
| +2.4 | Round 5 | CARTAS E VINHO VERDE | 12 | 4♠ | ♥T | +1 | +0 |
| +2.1 | Round 1 | AMBRA | 3 | 4♥ | ♠Q | = | -1 |
| +1.8 | Round 3 | ORENDA | 30 | 4♠ | ♥7 | = | +0 |
| +1.8 | Round 5 | CARTAS E VINHO VERDE | 16 | 6♥ | ♥2 | +1 | +1 |
| +1.8 | Round 7 | SLOVAKIA BLUE | 5 | 2♠ | ♠2 | +1 | +1 |
| +1.8 | Round 10 | FUNDACJA ESKOM | 10 | 2NT | ♠9 | -1 | +0 |
| +1.7 | Round 5 | CARTAS E VINHO VERDE | 17 | 1NT | ♠T | = | +5 |
| +1.5 | Round 3 | ORENDA | 27 | 2♠ | ♣5 | +1 | +6 |
| +1.4 | Round 8 | DAJJ | 16 | 4♥ | ♣J | +2 | +1 |
| +1.4 | Round 8 | DAJJ | 18 | 4♥ | ♦7 | = | +0 |
| +1.3 | Round 2 | POLAND U21 | 18 | 2♥ | ♣3 | +2 | +6 |
| +1.3 | Round 4 | IMPA | 3 | 3NT | ♥2 | -1 | +6 |
| +1.2 | Round 4 | IMPA | 5 | 4♠x | ♣A | -1 | -5 |
| +1.0 | Round 9 | WARSAW CZECHIA | 30 | 3♣ | ♠Q | +3 | +6 |
| +0.7 | Round 2 | POLAND U21 | 15 | 3♥ | ♦Q | +1 | -10 |
| +0.7 | Round 6 | MACCABI YAFO | 22 | 2♥ | ♠A | +2 | -1 |
| +0.6 | Round 5 | CARTAS E VINHO VERDE | 13 | 4♠ | ♥2 | +2 | -13 |
| +0.6 | Round 7 | SLOVAKIA BLUE | 9 | 4♥ | ♣9 | +1 | +0 |
| +0.5 | Round 7 | SLOVAKIA BLUE | 4 | 2♥ | ♥2 | -2 | +2 |
| +0.5 | Round 9 | WARSAW CZECHIA | 22 | 4♥ | ♦5 | = | +1 |
| +0.4 | Round 6 | MACCABI YAFO | 30 | 4♥ | ♠6 | +1 | +0 |
| +0.3 | Round 1 | AMBRA | 6 | 2♥ | ♦5 | -1 | -1 |
| +0.2 | Round 2 | POLAND U21 | 14 | 5♣ | ♠Q | -1 | +4 |
| +0.1 | Round 3 | ORENDA | 23 | 3♦ | ♥4 | +2 | -1 |
| -0.0 | Round 9 | WARSAW CZECHIA | 26 | 4♠ | ♦Q | = | +1 |
| -0.1 | Round 1 | AMBRA | 8 | 2♠ | ♥8 | -1 | +1 |
| -0.1 | Round 3 | ORENDA | 22 | 3NT | ♣A | +1 | +0 |
| -0.2 | Round 10 | FUNDACJA ESKOM | 8 | 5♣ | ♠2 | -1 | +5 |
| -0.4 | Round 5 | CARTAS E VINHO VERDE | 19 | 2♥ | ♠2 | +1 | -1 |
| -0.6 | Round 2 | POLAND U21 | 20 | 2♦ | ♣2 | +1 | +1 |
| -1.0 | Round 6 | MACCABI YAFO | 26 | 2♦ | ♠Q | +1 | +0 |
| -1.0 | Round 7 | SLOVAKIA BLUE | 3 | 4♥ | ♠K | -1 | -5 |
| -1.0 | Round 8 | DAJJ | 13 | 2♥ | ♠J | -1 | +0 |
| -1.3 | Round 6 | MACCABI YAFO | 21 | 4♥ | ♦2 | -1 | -6 |
| -1.3 | Round 8 | DAJJ | 12 | 3NT | ♥Q | = | +0 |
| -1.3 | Round 10 | FUNDACJA ESKOM | 4 | 4♠ | ♥5 | +1 | +0 |
| -1.4 | Round 1 | AMBRA | 7 | 4♠ | ♦T | -2 | -8 |
| -1.4 | Round 5 | CARTAS E VINHO VERDE | 11 | 2♠ | ♣A | = | +0 |
| -1.4 | Round 6 | MACCABI YAFO | 23 | 3NT | ♣7 | +2 | +0 |
| -1.5 | Round 2 | POLAND U21 | 19 | 5♠ | ♦2 | = | +0 |
| -1.6 | Round 10 | FUNDACJA ESKOM | 3 | 3NT | ♦5 | +3 | -1 |
| -2.2 | Round 2 | POLAND U21 | 16 | 3♦x | ♣3 | -1 | -5 |
| -2.2 | Round 10 | FUNDACJA ESKOM | 1 | 2♥ | ♦J | = | +0 |
| -2.3 | Round 8 | DAJJ | 17 | 4♥ | ♠A | +1 | +10 |
| -2.4 | Round 1 | AMBRA | 1 | 3♣ | ♥T | +3 | -13 |
| -2.5 | Round 5 | CARTAS E VINHO VERDE | 18 | 3♠ | ♥A | = | +0 |
| -2.5 | Round 6 | MACCABI YAFO | 25 | 3NT | ♥2 | = | +1 |
| -2.7 | Round 2 | POLAND U21 | 13 | 3♣ | ♦9 | +1 | +0 |
| -2.8 | Round 10 | FUNDACJA ESKOM | 5 | 4♠ | ♦2 | +1 | +4 |
| -2.9 | Round 9 | WARSAW CZECHIA | 29 | 2♠ | ♥3 | -2 | -2 |
| -3.1 | Round 5 | CARTAS E VINHO VERDE | 20 | 3NT | ♠K | = | +13 |
| -3.6 | Round 7 | SLOVAKIA BLUE | 7 | 3♥x | ♠5 | -1 | +3 |
| -3.7 | Round 7 | SLOVAKIA BLUE | 6 | 2♣ | ♦4 | = | -5 |
| -3.8 | Round 4 | IMPA | 9 | 5♥x | ♦A | -4 | -11 |
| -4.0 | Round 1 | AMBRA | 5 | 4♠ | ♥7 | +2 | -2 |
| -4.2 | Round 10 | FUNDACJA ESKOM | 9 | 5♣ | ♠K | = | +0 |
| -4.9 | Round 4 | IMPA | 8 | 6♥ | ♠7 | = | +0 |
| -5.0 | Round 9 | WARSAW CZECHIA | 28 | 4♠ | ♦Q | = | +0 |
| -5.1 | Round 7 | SLOVAKIA BLUE | 8 | 4♠ | ♦7 | +3 | -14 |
| -5.3 | Round 3 | ORENDA | 25 | 4♥ | ♠T | +1 | -4 |
| -5.5 | Round 4 | IMPA | 2 | 4♠ | ♥2 | = | -12 |
| -5.8 | Round 1 | AMBRA | 4 | 3♥ | ♠4 | +1 | -10 |
| -6.1 | Round 8 | DAJJ | 19 | 2♠ | ♣Q | +1 | -6 |
| -6.3 | Round 3 | ORENDA | 24 | 2♥x | ♠A | -2 | -5 |
| -6.5 | Round 10 | FUNDACJA ESKOM | 6 | 3♣ | ♥Q | = | -11 |
| -6.9 | Round 1 | AMBRA | 2 | 4♥ | ♣J | -1 | -12 |
| -7.4 | Round 3 | ORENDA | 26 | 2♠ | ♣Q | = | -11 |
| -7.4 | Round 3 | ORENDA | 29 | 2♥ | ♥3 | -2 | -8 |
| -9.9 | Round 7 | SLOVAKIA BLUE | 1 | 4♠ | ♥K | -1 | -10 |