🇩🇪 KRATZ Ulrich · GERMANY
21rank
+52.5Butler · 160 bds
+0.33per board
±4.0swing
+0.04vs par /bd · #39/100
+0.33adjusted /bd
by round
vs par split: bidding -0.23 · play +0.27
Strength of schedule: opponents averaged -0.00/bd (an average draw) → opponent-adjusted +0.33/bd
Card play — on target: opening leads 75.6% #84 of 100 · declarer play 90.9% #2 of 100 · defence 85.1% #43 of 100
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (12) | 75.8% (33) |
| Declarer play | 100.0% (15) | 86.2% (29) |
| Defence | 91.3% (23) | 82.4% (51) |
Opening leads by suit led: ♠ 75.0% (12) · ♥ 64.3% (14) · ♦ 77.8% (9) · ♣ 90.0% (10)
vs par by strain: NT +0.22 (54) · a suit -0.06 (106)
vs par by level: part-score -0.36 (59) · game +0.65 (95) · slam -5.83 (6)
By role: declaring +0.44/bd (-1.94 vs par · 85) · defending +0.20/bd (+2.28 vs par · 75)
By vulnerability: vulnerable +0.72/bd (+0.51 vs par · 80) · not vulnerable -0.07/bd (-0.44 vs par · 80)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | B.Strater | F.Leenhardt – P.Piganeau | Open | 16 | -19.1 | -1.19 | -1.50 |
| Round 5 | B.Strater | D.Johnson – J.Stas | Open | 16 | +9.5 | +0.59 | -0.38 |
| Round 6 | B.Strater | A.De Livera – B.Neill | Closed | 16 | +31.5 | +1.97 | +0.62 |
| Round 7 | B.Strater | H.Lasut – E.Manoppo | Closed | 16 | -7.8 | -0.49 | -0.19 |
| Round 9 | B.Strater | F.Falay – O.Ekinci | Closed | 16 | +15.5 | +0.97 | -1.31 |
| Round 10 | B.Strater | A.Schwartz – A.Kaminski | Open | 16 | -11.1 | -0.69 | -0.19 |
| Round 12 | B.Strater | E.Tse – R.Ling | Closed | 16 | +19.7 | +1.23 | +1.31 |
| Round 13 | B.Strater | A.Cadi Tazi – K.Bensouda | Open | 16 | +7.2 | +0.45 | -1.69 |
| Round 15 | B.Strater | G.Chagas – M.Aloi | Open | 16 | +2.0 | +0.12 | +2.62 |
| Round 16 | B.Strater | HENG A. K. – Y.Tan | Open | 16 | +5.1 | +0.32 | +1.06 |
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 |
|---|---|---|---|---|---|---|---|
| +12.8 | Round 15 | 🇧🇷 BRAZIL | 3 | 3NT | ♠K | = | +11 |
| +12.0 | Round 12 | 🇭🇰 CHINA HONG KONG | 29 | 4♠ | ♥4 | -1 | +13 |
| +10.3 | Round 6 | 🇦🇺 AUSTRALIA | 26 | 4♥ | ♠J | +1 | +10 |
| +10.1 | Round 6 | 🇦🇺 AUSTRALIA | 21 | 4♠ | ♠5 | -2 | +13 |
| +8.4 | Round 10 | 🇮🇱 ISRAEL | 25 | 4♠ | ♠10 | +3 | +10 |
| +8.4 | Round 12 | 🇭🇰 CHINA HONG KONG | 27 | 3NT | ♥5 | -1 | +11 |
| +7.9 | Round 7 | 🇮🇩 INDONESIA | 5 | 3NT | ♥6 | -2 | +8 |
| +7.9 | Round 10 | 🇮🇱 ISRAEL | 29 | 4♠ | ♦A | = | +10 |
| +7.7 | Round 10 | 🇮🇱 ISRAEL | 26 | 3NT | ♦6 | -1 | +6 |
| +7.7 | Round 15 | 🇧🇷 BRAZIL | 16 | 3NT | ♥5 | = | +11 |
| +7.3 | Round 15 | 🇧🇷 BRAZIL | 7 | 4♠ | ♥2 | -1 | +12 |
| +7.2 | Round 13 | 🇲🇦 MOROCCO | 4 | 3NT | ♦3 | +1 | -10 |
| +6.6 | Round 16 | 🇸🇬 SINGAPORE | 15 | 3NT | ♥2 | +1 | +7 |
| +6.3 | Round 6 | 🇦🇺 AUSTRALIA | 29 | 1NT | ♣9 | +2 | +10 |
| +6.3 | Round 12 | 🇭🇰 CHINA HONG KONG | 19 | 4♥ | ♠9 | = | +0 |
| +6.0 | Round 9 | 🇹🇷 TURKEY | 16 | 4♠x | ♥A | -3 | +9 |
| +5.3 | Round 15 | 🇧🇷 BRAZIL | 1 | 4♠ | ♠6 | -1 | +5 |
| +5.1 | Round 9 | 🇹🇷 TURKEY | 9 | 6♦ | ♥2 | = | -2 |
| +4.9 | Round 12 | 🇭🇰 CHINA HONG KONG | 32 | 4♠ | ♣K | +1 | +0 |
| +4.7 | Round 6 | 🇦🇺 AUSTRALIA | 25 | 3NT | ♦A | = | +10 |
| +4.7 | Round 7 | 🇮🇩 INDONESIA | 14 | 4♥ | ♠7 | -1 | +10 |
| +4.5 | Round 5 | 🇧🇪 BELGIUM | 9 | 3NT | ♣6 | -4 | +12 |
| +4.3 | Round 9 | 🇹🇷 TURKEY | 11 | 3NT | ♠6 | +2 | -10 |
| +3.9 | Round 3 | 🇫🇷 FRANCE | 3 | 3♣ | ♦2 | +1 | +0 |
| +3.9 | Round 5 | 🇧🇪 BELGIUM | 2 | 3NT | ♥2 | -2 | +2 |
| +3.9 | Round 13 | 🇲🇦 MOROCCO | 1 | 1NT | ♣8 | = | +0 |
| +3.7 | Round 6 | 🇦🇺 AUSTRALIA | 30 | 1NT | ♠2 | +1 | +6 |
| +3.7 | Round 9 | 🇹🇷 TURKEY | 10 | 2♦ | ♠9 | -1 | +6 |
| +3.5 | Round 12 | 🇭🇰 CHINA HONG KONG | 28 | 3♥ | ♣8 | +2 | +2 |
| +3.5 | Round 12 | 🇭🇰 CHINA HONG KONG | 30 | 4NT | ♥6 | +2 | +1 |
| +3.4 | Round 6 | 🇦🇺 AUSTRALIA | 22 | 4♠ | ♥3 | = | +3 |
| +3.4 | Round 12 | 🇭🇰 CHINA HONG KONG | 23 | 2♥ | ♣3 | +1 | +8 |
| +3.3 | Round 9 | 🇹🇷 TURKEY | 4 | 1NT | ♥6 | +1 | +0 |
| +3.2 | Round 12 | 🇭🇰 CHINA HONG KONG | 18 | 4♠x | ♠5 | -1 | -7 |
| +3.1 | Round 16 | 🇸🇬 SINGAPORE | 2 | 3♦ | ♣2 | +1 | +10 |
| +2.9 | Round 5 | 🇧🇪 BELGIUM | 15 | 4♠ | ♣K | +1 | +0 |
| +2.7 | Round 3 | 🇫🇷 FRANCE | 7 | 1♥ | ♦A | = | +5 |
| +2.7 | Round 7 | 🇮🇩 INDONESIA | 13 | 1NT | ♣6 | -1 | +0 |
| +2.7 | Round 7 | 🇮🇩 INDONESIA | 15 | 3♣ | ♦10 | +1 | +0 |
| +2.3 | Round 7 | 🇮🇩 INDONESIA | 6 | 2♠ | ♥K | +1 | +0 |
| +2.3 | Round 16 | 🇸🇬 SINGAPORE | 6 | 4♠ | ♥5 | -2 | +5 |
| +2.2 | Round 6 | 🇦🇺 AUSTRALIA | 20 | 4♥ | ♥7 | +2 | -13 |
| +2.1 | Round 9 | 🇹🇷 TURKEY | 2 | 3NT | ♥2 | +1 | -1 |
| +2.1 | Round 12 | 🇭🇰 CHINA HONG KONG | 22 | 4♠ | ♣4 | +2 | +11 |
| +2.1 | Round 16 | 🇸🇬 SINGAPORE | 3 | 3♦ | ♥A | -1 | -2 |
| +2.0 | Round 13 | 🇲🇦 MOROCCO | 6 | 4♦ | ♥K | -1 | +5 |
| +2.0 | Round 16 | 🇸🇬 SINGAPORE | 1 | 3♥ | ♦2 | -2 | +0 |
| +1.9 | Round 7 | 🇮🇩 INDONESIA | 3 | 5♣ | ♠4 | = | +3 |
| +1.9 | Round 13 | 🇲🇦 MOROCCO | 16 | 3NT | ♣4 | +2 | +0 |
| +1.7 | Round 5 | 🇧🇪 BELGIUM | 3 | 2♥ | ♦6 | -1 | -2 |
| +1.7 | Round 5 | 🇧🇪 BELGIUM | 16 | 1NT | ♣Q | = | +0 |
| +1.7 | Round 13 | 🇲🇦 MOROCCO | 12 | 1♠ | ♣4 | -1 | +2 |
| +1.6 | Round 13 | 🇲🇦 MOROCCO | 14 | 6♦ | ♠J | +1 | -11 |
| +1.5 | Round 7 | 🇮🇩 INDONESIA | 16 | 4NT | ♦A | = | -13 |
| +1.5 | Round 9 | 🇹🇷 TURKEY | 6 | 3NT | ♥4 | = | +1 |
| +1.5 | Round 9 | 🇹🇷 TURKEY | 15 | 3NT | ♣K | = | +0 |
| +1.4 | Round 13 | 🇲🇦 MOROCCO | 15 | 4♠ | ♥A | -1 | +2 |
| +1.4 | Round 16 | 🇸🇬 SINGAPORE | 5 | 3NT | ♥6 | +2 | +0 |
| +1.3 | Round 5 | 🇧🇪 BELGIUM | 1 | 3NT | ♦J | +1 | +0 |
| +1.3 | Round 5 | 🇧🇪 BELGIUM | 11 | 4♠ | ♦Q | +1 | -11 |
| +1.3 | Round 9 | 🇹🇷 TURKEY | 3 | 4♥ | ♠9 | = | +1 |
| +1.3 | Round 16 | 🇸🇬 SINGAPORE | 9 | 4♥ | ♣10 | +1 | +0 |
| +1.1 | Round 5 | 🇧🇪 BELGIUM | 10 | 3NT | ♦2 | +1 | -1 |
| +0.9 | Round 3 | 🇫🇷 FRANCE | 14 | 4♥x | ♣T | +2 | -12 |
| +0.9 | Round 3 | 🇫🇷 FRANCE | 15 | 3♦ | ♠K | +1 | +0 |
| +0.9 | Round 6 | 🇦🇺 AUSTRALIA | 32 | 3NT | ♦A | +2 | +0 |
| +0.8 | Round 13 | 🇲🇦 MOROCCO | 8 | 3♦ | ♠Q | -1 | -4 |
| +0.7 | Round 6 | 🇦🇺 AUSTRALIA | 17 | 2♦ | ♥5 | +1 | +5 |
| +0.7 | Round 13 | 🇲🇦 MOROCCO | 5 | 4♠ | ♦Q | = | +1 |
| +0.7 | Round 15 | 🇧🇷 BRAZIL | 6 | 4♥ | ♦2 | = | -1 |
| +0.6 | Round 15 | 🇧🇷 BRAZIL | 9 | 3NT | ♥2 | +2 | +0 |
| +0.5 | Round 6 | 🇦🇺 AUSTRALIA | 28 | 3♦ | ♠2 | +1 | -7 |
| +0.5 | Round 12 | 🇭🇰 CHINA HONG KONG | 21 | 3♦ | ♠5 | -1 | +5 |
| +0.3 | Round 16 | 🇸🇬 SINGAPORE | 7 | 3NT | ♣6 | +3 | -13 |
| +0.2 | Round 3 | 🇫🇷 FRANCE | 11 | 4♦ | ♥Q | -1 | +3 |
| +0.2 | Round 3 | 🇫🇷 FRANCE | 12 | 4♥ | ♠8 | +2 | -1 |
| +0.2 | Round 9 | 🇹🇷 TURKEY | 14 | 4♠ | ♣3 | = | +0 |
| +0.2 | Round 13 | 🇲🇦 MOROCCO | 10 | 2♥ | ♦A | +1 | +0 |
| +0.2 | Round 16 | 🇸🇬 SINGAPORE | 4 | 4♥ | ♣7 | -1 | +12 |
| +0.1 | Round 5 | 🇧🇪 BELGIUM | 5 | 4♥ | ♠5 | = | +0 |
| +0.1 | Round 5 | 🇧🇪 BELGIUM | 12 | 3NT | ♥3 | +2 | +1 |
| +0.1 | Round 7 | 🇮🇩 INDONESIA | 1 | 4♥ | ♦8 | +1 | +11 |
| +0.1 | Round 10 | 🇮🇱 ISRAEL | 24 | 4♥ | ♠5 | = | +1 |
| +0.1 | Round 15 | 🇧🇷 BRAZIL | 5 | 4♥ | ♣2 | = | -1 |
| +0.1 | Round 16 | 🇸🇬 SINGAPORE | 12 | 4♠ | ♣Q | = | +0 |
| -0.0 | Round 10 | 🇮🇱 ISRAEL | 21 | 3NT | ♦3 | +1 | -1 |
| -0.1 | Round 5 | 🇧🇪 BELGIUM | 8 | 4♥ | ♦K | +1 | +0 |
| -0.1 | Round 16 | 🇸🇬 SINGAPORE | 14 | 1NT | ♦J | = | +0 |
| -0.3 | Round 5 | 🇧🇪 BELGIUM | 4 | 5♠ | ♦A | = | +0 |
| -0.3 | Round 7 | 🇮🇩 INDONESIA | 7 | 4♥ | ♦8 | +1 | +0 |
| -0.4 | Round 10 | 🇮🇱 ISRAEL | 17 | 3NT | ♣Q | +1 | +1 |
| -0.5 | Round 7 | 🇮🇩 INDONESIA | 11 | 3NT | ♣Q | +1 | +0 |
| -0.5 | Round 12 | 🇭🇰 CHINA HONG KONG | 31 | 3♠ | ♣4 | -2 | +11 |
| -0.5 | Round 13 | 🇲🇦 MOROCCO | 2 | 4♠ | ♠2 | +2 | -1 |
| -0.6 | Round 5 | 🇧🇪 BELGIUM | 7 | 3NT | ♠4 | = | +0 |
| -0.6 | Round 12 | 🇭🇰 CHINA HONG KONG | 25 | 4♥ | ♣6 | +1 | +0 |
| -0.7 | Round 9 | 🇹🇷 TURKEY | 12 | 1♦ | ♣3 | +1 | +0 |
| -0.9 | Round 15 | 🇧🇷 BRAZIL | 8 | 1NT | ♠J | -2 | +0 |
| -0.9 | Round 16 | 🇸🇬 SINGAPORE | 16 | 3NT | ♠5 | +3 | +11 |
| -1.1 | Round 5 | 🇧🇪 BELGIUM | 14 | 3NT | ♠3 | = | +1 |
| -1.1 | Round 6 | 🇦🇺 AUSTRALIA | 31 | 3NT | ♣5 | -2 | -6 |
| -1.1 | Round 9 | 🇹🇷 TURKEY | 5 | 4♠ | ♣A | +1 | -2 |
| -1.1 | Round 9 | 🇹🇷 TURKEY | 8 | 2♦ | ♥K | = | -5 |
| -1.1 | Round 10 | 🇮🇱 ISRAEL | 28 | 2NT | ♦3 | +2 | +2 |
| -1.1 | Round 13 | 🇲🇦 MOROCCO | 7 | 4♥ | ♦2 | +1 | +0 |
| -1.1 | Round 16 | 🇸🇬 SINGAPORE | 10 | 4♦ | ♥K | = | +0 |
| -1.2 | Round 9 | 🇹🇷 TURKEY | 1 | 3NT | ♥6 | -2 | -6 |
| -1.3 | Round 3 | 🇫🇷 FRANCE | 4 | 3♦ | ♦A | +2 | +0 |
| -1.3 | Round 3 | 🇫🇷 FRANCE | 6 | 5♥ | ♦J | -1 | +1 |
| -1.3 | Round 15 | 🇧🇷 BRAZIL | 15 | 1NT | ♥3 | -1 | -1 |
| -1.3 | Round 16 | 🇸🇬 SINGAPORE | 8 | 2♠ | ♣3 | +1 | +0 |
| -1.4 | Round 15 | 🇧🇷 BRAZIL | 10 | 4♥ | ♥3 | = | +0 |
| -1.5 | Round 10 | 🇮🇱 ISRAEL | 30 | 2♥ | ♦5 | = | -7 |
| -1.6 | Round 3 | 🇫🇷 FRANCE | 9 | 3♠ | ♦J | -2 | +6 |
| -1.7 | Round 3 | 🇫🇷 FRANCE | 5 | 1NT | ♣6 | +2 | +10 |
| -1.7 | Round 13 | 🇲🇦 MOROCCO | 9 | 2NT | ♦Q | +1 | +6 |
| -1.9 | Round 3 | 🇫🇷 FRANCE | 13 | 4♥ | ♦J | -2 | -8 |
| -1.9 | Round 6 | 🇦🇺 AUSTRALIA | 18 | 3NT | ♠8 | -1 | -5 |
| -1.9 | Round 6 | 🇦🇺 AUSTRALIA | 27 | 4♠ | ♠5 | -1 | -4 |
| -2.0 | Round 10 | 🇮🇱 ISRAEL | 31 | 6♠x | ♥3 | -6 | +13 |
| -2.1 | Round 6 | 🇦🇺 AUSTRALIA | 19 | 1NT | ♦7 | +1 | -5 |
| -2.1 | Round 6 | 🇦🇺 AUSTRALIA | 23 | 2♠ | ♦A | +2 | -7 |
| -2.1 | Round 12 | 🇭🇰 CHINA HONG KONG | 20 | 2♦ | ♥7 | +2 | -10 |
| -2.2 | Round 6 | 🇦🇺 AUSTRALIA | 24 | 2♠ | ♥3 | = | +0 |
| -2.2 | Round 7 | 🇮🇩 INDONESIA | 10 | 4♠ | ♦4 | +1 | +0 |
| -2.3 | Round 3 | 🇫🇷 FRANCE | 1 | 1NT | ♥7 | +2 | -6 |
| -2.4 | Round 10 | 🇮🇱 ISRAEL | 20 | 4♥ | ♦6 | = | -3 |
| -2.7 | Round 5 | 🇧🇪 BELGIUM | 13 | 2♠ | ♦4 | +2 | -1 |
| -2.7 | Round 13 | 🇲🇦 MOROCCO | 3 | 2♥ | ♠3 | = | -5 |
| -2.9 | Round 3 | 🇫🇷 FRANCE | 10 | 3♦ | ♣J | -1 | -12 |
| -2.9 | Round 10 | 🇮🇱 ISRAEL | 22 | 4♠ | ♣K | -1 | -12 |
| -3.0 | Round 13 | 🇲🇦 MOROCCO | 11 | 3♣ | ♠5 | = | +0 |
| -3.1 | Round 7 | 🇮🇩 INDONESIA | 2 | 3NT | ♠K | +2 | +0 |
| -3.1 | Round 15 | 🇧🇷 BRAZIL | 13 | 4♠ | ♥5 | +1 | +13 |
| -3.2 | Round 3 | 🇫🇷 FRANCE | 2 | 3♣ | ♠A | -2 | +0 |
| -3.3 | Round 15 | 🇧🇷 BRAZIL | 12 | 4♠ | ♥2 | -1 | -5 |
| -3.5 | Round 16 | 🇸🇬 SINGAPORE | 11 | 3♦ | ♠A | -5 | -4 |
| -3.8 | Round 10 | 🇮🇱 ISRAEL | 32 | 4♥ | ♦9 | = | +0 |
| -4.1 | Round 7 | 🇮🇩 INDONESIA | 12 | 4♠ | ♠3 | = | +0 |
| -4.1 | Round 9 | 🇹🇷 TURKEY | 13 | 1NT | ♦6 | -1 | -6 |
| -4.3 | Round 5 | 🇧🇪 BELGIUM | 6 | 3♥ | ♥6 | = | -7 |
| -4.3 | Round 7 | 🇮🇩 INDONESIA | 9 | 2♥ | ♥Q | = | +7 |
| -4.4 | Round 10 | 🇮🇱 ISRAEL | 27 | 1♦ | ♣2 | = | -10 |
| -4.5 | Round 15 | 🇧🇷 BRAZIL | 2 | 1NT | ♠K | +3 | -6 |
| -4.9 | Round 10 | 🇮🇱 ISRAEL | 19 | 4♠ | ♥J | = | -11 |
| -5.2 | Round 13 | 🇲🇦 MOROCCO | 13 | 2♦ | ♣A | -1 | -12 |
| -5.3 | Round 3 | 🇫🇷 FRANCE | 16 | 3♠ | ♦A | -3 | -5 |
| -5.3 | Round 9 | 🇹🇷 TURKEY | 7 | 1NT | ♥A | +1 | -6 |
| -5.3 | Round 15 | 🇧🇷 BRAZIL | 14 | 3NT | ♠6 | = | +0 |
| -5.4 | Round 12 | 🇭🇰 CHINA HONG KONG | 17 | 4♠ | ♣Q | +1 | -1 |
| -5.9 | Round 10 | 🇮🇱 ISRAEL | 18 | 3NT | ♦10 | = | -3 |
| -5.9 | Round 10 | 🇮🇱 ISRAEL | 23 | 4♠ | ♥K | = | +1 |
| -5.9 | Round 15 | 🇧🇷 BRAZIL | 11 | 5♦ | ♥2 | = | -9 |
| -6.4 | Round 3 | 🇫🇷 FRANCE | 8 | 4♠x | ♥K | -2 | -5 |
| -6.8 | Round 15 | 🇧🇷 BRAZIL | 4 | 5♦ | ♠K | = | +13 |
| -7.4 | Round 16 | 🇸🇬 SINGAPORE | 13 | 4♥x | ♥A | -2 | -9 |
| -7.6 | Round 7 | 🇮🇩 INDONESIA | 4 | 6♣ | ♥A | -2 | -12 |
| -9.5 | Round 7 | 🇮🇩 INDONESIA | 8 | 4NT | ♣5 | -1 | -17 |
| -9.6 | Round 12 | 🇭🇰 CHINA HONG KONG | 24 | 6♦ | ♠7 | +1 | -10 |
| -9.9 | Round 12 | 🇭🇰 CHINA HONG KONG | 26 | 6♠ | ♦2 | -2 | -13 |