KRANTZ Corey · COBRA KHAN
289rank
-11.6Butler · 100 bds
-0.12per board
±4.0swing
-0.59vs par /bd · #364/478
-0.29adjusted /bd
by round
vs par split: bidding -0.10 · play -0.49
Strength of schedule: opponents averaged -0.18/bd (an easy draw) → opponent-adjusted -0.29/bd
Card play — on target: opening leads 85.7% #81 of 476 · declarer play 85.2% #109 of 478 · defence 73.9% #441 of 478
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 85.7% (14) | 85.7% (14) |
| Declarer play | 85.7% (7) | 85.0% (20) |
| Defence | 72.2% (18) | 75.0% (28) |
Opening leads by suit led: ♠ 75.0% (4) · ♥ 78.6% (14) · ♦ 100.0% (6) · ♣ 100.0% (4)
vs par by strain: NT +0.77 (34) · a suit -1.29 (66)
vs par by level: part-score -0.61 (41) · game -0.12 (51) · slam -3.50 (8)
By role: declaring +0.26/bd (-1.70 vs par · 54) · defending -0.56/bd (+0.72 vs par · 46)
By vulnerability: vulnerable +0.77/bd (+0.10 vs par · 49) · not vulnerable -0.97/bd (-1.25 vs par · 51)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | B.Lang | X.Li – Y.Zhao | Closed | 10 | -1.4 | -0.14 | -1.70 |
| Round 2 | B.Lang | J.Smith – J.Zaluski | Closed | 10 | -5.1 | -0.51 | -1.30 |
| Round 3 | B.Lang | C.Madsen – J.Ron | Open | 10 | -2.0 | -0.20 | -0.70 |
| Round 4 | B.Lang | A.Gandoglia – L.Cima | Closed | 10 | -25.2 | -2.52 | -3.50 |
| Round 5 | B.Lang | A.Kolesnik – J.Sher | Closed | 10 | +17.3 | +1.73 | +0.00 |
| Round 6 | B.Lang | M.Felmy – T.Gotard | Open | 10 | -8.7 | -0.87 | +1.60 |
| Round 7 | B.Lang | Y.Chumak – O.Rovyshyn | Closed | 10 | -14.5 | -1.45 | -0.10 |
| Round 8 | B.Lang | C.Lee – R.Burns | Closed | 10 | +25.4 | +2.54 | +0.60 |
| Round 9 | B.Lang | M.Cornell – A.Bach | Closed | 10 | -2.2 | -0.22 | +0.50 |
| Round 10 | B.Lang | A.Rerhaye – M.Berrada | Closed | 10 | +4.8 | +0.48 | -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 |
|---|---|---|---|---|---|---|---|
| +10.7 | Round 8 | BULLYS | 4 | 4♥ | ♠10 | = | +10 |
| +10.6 | Round 1 | CHINA OPEN 2 | 4 | 6♦ | ♥4 | = | +7 |
| +8.5 | Round 5 | JAIL | 23 | 4♠ | ♥K | = | +3 |
| +8.3 | Round 7 | NEVER CLAIM | 16 | 3NT | ♥Q | +3 | +14 |
| +7.1 | Round 8 | BULLYS | 7 | 3NT | ♣K | = | +0 |
| +6.9 | Round 10 | MAROC | 27 | 4♥ | ♠7 | = | +0 |
| +6.0 | Round 10 | MAROC | 22 | 3NT | ♣Q | +1 | -1 |
| +5.7 | Round 5 | JAIL | 21 | 6♣ | ♥Q | = | -2 |
| +5.2 | Round 8 | BULLYS | 8 | 4♠ | ♠8 | -1 | +5 |
| +5.0 | Round 1 | CHINA OPEN 2 | 1 | 4♠x | ♥J | -1 | +6 |
| +4.5 | Round 8 | BULLYS | 6 | 1NT | ♣4 | +4 | +5 |
| +4.4 | Round 8 | BULLYS | 1 | 3NT | ♣4 | +1 | +7 |
| +3.8 | Round 3 | DENMARK | 2 | 4♠ | ♣A | -1 | +9 |
| +3.6 | Round 10 | MAROC | 26 | 3NT | ♥10 | = | +0 |
| +3.5 | Round 5 | JAIL | 28 | 2♠ | ♥K | = | +5 |
| +3.0 | Round 9 | GOWER | 17 | 5♥ | ♠3 | = | +0 |
| +2.9 | Round 3 | DENMARK | 1 | 2NT | ♥9 | -1 | +4 |
| +2.6 | Round 4 | DE MICHELIS | 12 | 3♠ | ♥10 | -1 | +5 |
| +2.5 | Round 3 | DENMARK | 10 | 4♠ | ♣9 | -1 | -6 |
| +2.4 | Round 1 | CHINA OPEN 2 | 9 | 5♦ | ♥3 | = | +0 |
| +2.3 | Round 4 | DE MICHELIS | 13 | 2♣ | ♥A | +1 | -1 |
| +2.2 | Round 6 | HAFFER | 6 | 4♠ | ♣A | -1 | +4 |
| +2.2 | Round 7 | NEVER CLAIM | 19 | 3♥ | ♦A | +1 | +6 |
| +2.0 | Round 7 | NEVER CLAIM | 11 | 2NT | ♥8 | -1 | +5 |
| +1.9 | Round 1 | CHINA OPEN 2 | 2 | 3♥ | ♦10 | = | +0 |
| +1.8 | Round 2 | TEAM CANADA | 17 | 3NT | ♠2 | +1 | +0 |
| +1.8 | Round 9 | GOWER | 13 | 3NT | ♣9 | +2 | +0 |
| +1.7 | Round 8 | BULLYS | 9 | 2♣ | ♦5 | -1 | +1 |
| +1.6 | Round 5 | JAIL | 27 | 3♣ | ♣3 | -1 | -3 |
| +1.6 | Round 9 | GOWER | 15 | 4♠ | ♣5 | +1 | +0 |
| +1.5 | Round 2 | TEAM CANADA | 16 | 4♠ | ♥2 | +1 | +11 |
| +1.3 | Round 10 | MAROC | 23 | 5♦x | ♣A | -1 | +2 |
| +1.2 | Round 10 | MAROC | 24 | 6NT | ♠J | = | +0 |
| +1.1 | Round 3 | DENMARK | 7 | 3NT | ♦3 | +2 | +1 |
| +1.1 | Round 5 | JAIL | 24 | 6♦ | ♣K | = | -2 |
| +1.0 | Round 3 | DENMARK | 9 | 3NT | ♥9 | +1 | +0 |
| +1.0 | Round 4 | DE MICHELIS | 18 | 2♥ | ♣6 | +1 | +1 |
| +0.7 | Round 2 | TEAM CANADA | 13 | 4♥ | ♦10 | +1 | +0 |
| +0.7 | Round 6 | HAFFER | 4 | 2♥ | ♥9 | -1 | +11 |
| +0.7 | Round 6 | HAFFER | 10 | 3NT | ♥8 | -1 | +6 |
| +0.4 | Round 1 | CHINA OPEN 2 | 10 | 4♥ | ♠4 | +1 | +0 |
| +0.4 | Round 9 | GOWER | 19 | 1NT | ♠4 | +1 | +0 |
| +0.3 | Round 2 | TEAM CANADA | 11 | 2♠ | ♥A | = | +0 |
| +0.2 | Round 5 | JAIL | 29 | 4♠ | ♥K | = | +1 |
| +0.2 | Round 6 | HAFFER | 5 | 3♠ | ♥10 | -1 | +2 |
| +0.2 | Round 8 | BULLYS | 2 | 3♣ | ♥6 | = | -7 |
| +0.0 | Round 1 | CHINA OPEN 2 | 5 | 2♦ | ♠5 | -1 | -5 |
| -0.0 | Round 3 | DENMARK | 4 | 2♦ | ♥A | -1 | +0 |
| -0.0 | Round 5 | JAIL | 26 | 2♠ | ♦J | = | +1 |
| +0.0 | Round 5 | JAIL | 30 | 4♠ | ♥A | = | +0 |
| -0.3 | Round 9 | GOWER | 16 | 5♥ | ♠K | = | -4 |
| -0.4 | Round 4 | DE MICHELIS | 16 | 1NT | ♥6 | -1 | +0 |
| -0.5 | Round 7 | NEVER CLAIM | 13 | 6♠ | ♥J | +1 | -8 |
| -0.5 | Round 10 | MAROC | 29 | 3NT | ♣5 | +1 | +0 |
| -0.6 | Round 5 | JAIL | 25 | 3NT | ♥2 | +2 | -1 |
| -0.6 | Round 6 | HAFFER | 3 | 1NT | ♦K | = | +2 |
| -0.7 | Round 6 | HAFFER | 1 | 3NT | ♥J | -1 | -4 |
| -0.7 | Round 6 | HAFFER | 7 | 4♣ | ♣J | = | +0 |
| -0.8 | Round 10 | MAROC | 25 | 3NT | ♥J | +2 | +0 |
| -0.9 | Round 3 | DENMARK | 8 | 3♣ | ♠K | -1 | +2 |
| -0.9 | Round 6 | HAFFER | 8 | 2♥ | ♥2 | -1 | +1 |
| -1.0 | Round 2 | TEAM CANADA | 12 | 3♠ | ♦K | = | +0 |
| -1.0 | Round 2 | TEAM CANADA | 19 | 4♠ | ♦2 | -1 | -12 |
| -1.1 | Round 2 | TEAM CANADA | 18 | 3NT | ♥3 | +2 | -1 |
| -1.1 | Round 9 | GOWER | 20 | 3NT | ♠7 | +3 | +13 |
| -1.2 | Round 2 | TEAM CANADA | 15 | 4♠x | ♦A | -1 | +0 |
| -1.2 | Round 7 | NEVER CLAIM | 12 | 3♣ | ♥Q | +2 | -1 |
| -1.4 | Round 9 | GOWER | 12 | 6NT | ♦10 | = | +0 |
| -1.6 | Round 4 | DE MICHELIS | 20 | 2♥ | ♦A | = | -5 |
| -1.6 | Round 8 | BULLYS | 3 | 4♠ | ♥4 | -1 | -12 |
| -1.6 | Round 10 | MAROC | 28 | 2♠ | ♥A | = | +0 |
| -1.7 | Round 2 | TEAM CANADA | 14 | 2♦ | ♦2 | = | -5 |
| -1.9 | Round 9 | GOWER | 11 | 3NT | ♣Q | = | +1 |
| -2.0 | Round 6 | HAFFER | 9 | 1NT | ♠Q | -1 | +0 |
| -2.1 | Round 9 | GOWER | 14 | 3NT | ♦9 | -1 | -5 |
| -2.2 | Round 7 | NEVER CLAIM | 15 | 3NT | ♦6 | +2 | -1 |
| -2.2 | Round 9 | GOWER | 18 | 4♦ | ♥8 | = | +0 |
| -2.5 | Round 1 | CHINA OPEN 2 | 7 | 3NT | ♠6 | = | +0 |
| -2.6 | Round 10 | MAROC | 30 | 3♥ | ♠10 | -1 | -4 |
| -2.7 | Round 1 | CHINA OPEN 2 | 6 | 3NT | ♣5 | = | +1 |
| -2.7 | Round 5 | JAIL | 22 | 2♥ | ♣K | -2 | -2 |
| -2.7 | Round 8 | BULLYS | 5 | 3NT | ♥K | +2 | +0 |
| -2.8 | Round 7 | NEVER CLAIM | 17 | 2♥ | ♣A | +1 | -1 |
| -3.0 | Round 4 | DE MICHELIS | 14 | 2♠ | ♣2 | +1 | -6 |
| -3.4 | Round 2 | TEAM CANADA | 20 | 3♦ | ♥3 | -1 | -6 |
| -3.7 | Round 4 | DE MICHELIS | 17 | 1♣ | ♠J | -3 | -7 |
| -3.8 | Round 3 | DENMARK | 3 | 2♥ | ♦5 | +1 | -7 |
| -3.8 | Round 4 | DE MICHELIS | 11 | 4♠ | ♦A | = | +0 |
| -4.1 | Round 3 | DENMARK | 5 | 4♣ | ♣8 | -4 | -3 |
| -4.1 | Round 8 | BULLYS | 10 | 3NT | ♠4 | -2 | -3 |
| -4.5 | Round 3 | DENMARK | 6 | 2NT | ♣4 | -2 | -7 |
| -5.1 | Round 7 | NEVER CLAIM | 20 | 3♠ | ♠8 | -1 | -6 |
| -5.6 | Round 7 | NEVER CLAIM | 14 | 4♠ | ♦7 | -1 | +2 |
| -6.3 | Round 4 | DE MICHELIS | 19 | 4♥ | ♦7 | = | -7 |
| -6.4 | Round 1 | CHINA OPEN 2 | 3 | 4♠ | ♥7 | +3 | -14 |
| -7.6 | Round 6 | HAFFER | 2 | 5♦x | ♠7 | = | -6 |
| -8.7 | Round 10 | MAROC | 21 | 3NT | ♣2 | -1 | -10 |
| -9.6 | Round 7 | NEVER CLAIM | 18 | 6♣ | ♥7 | -1 | -11 |
| -10.1 | Round 1 | CHINA OPEN 2 | 8 | 6♣x | ♦K | -2 | -12 |
| -12.3 | Round 4 | DE MICHELIS | 15 | 5♠x | ♦K | = | -15 |