PACHTMAN Ron · MITTELMAN
95rank
+45.2Butler · 100 bds
+0.45per board
±3.8swing
+0.35vs par /bd · #158/478
+0.36adjusted /bd
by round
vs par split: bidding -0.28 · play +0.63
Strength of schedule: opponents averaged -0.09/bd (an easy draw) → opponent-adjusted +0.36/bd
Card play — on target: opening leads 79.3% #163 of 476 · declarer play 68.4% #378 of 478 · defence 88.9% #132 of 478
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 77.8% (9) | 80.0% (20) |
| Declarer play | 66.7% (6) | 69.2% (13) |
| Defence | 94.1% (17) | 86.5% (37) |
Opening leads by suit led: ♠ 75.0% (8) · ♥ 100.0% (6) · ♦ 87.5% (8) · ♣ 57.1% (7)
vs par by strain: NT +0.47 (32) · a suit +0.29 (68)
vs par by level: part-score +0.58 (41) · game +0.12 (51) · slam +0.62 (8)
By role: declaring +0.68/bd (-1.24 vs par · 46) · defending +0.26/bd (+1.70 vs par · 54)
By vulnerability: vulnerable +0.21/bd (+0.08 vs par · 50) · not vulnerable +0.69/bd (+0.62 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | P.Zatorski | J.Vega – M.Lavine | Open | 10 | -16.4 | -1.64 | -4.70 |
| Round 2 | P.Zatorski | H.Fick – N.Apteker | Open | 10 | +13.2 | +1.32 | +1.90 |
| Round 3 | P.Zatorski | J.Zhao – Y.Chen | Open | 10 | -3.2 | -0.32 | +0.00 |
| Round 4 | P.Zatorski | G.Andersson – J.Safsten | Closed | 10 | +40.6 | +4.06 | +4.80 |
| Round 5 | P.Zatorski | O.Kriegel – B.Morris | Closed | 10 | +1.8 | +0.18 | +1.80 |
| Round 6 | P.Zatorski | J.Munday – R.Pavlicek | Open | 10 | +9.1 | +0.91 | -1.70 |
| Round 7 | P.Zatorski | P.Zawada – W.Strzemecki | Open | 10 | +4.4 | +0.44 | -1.50 |
| Round 8 | P.Zatorski | M.Castello Branco – D.Brenner | Open | 10 | -13.7 | -1.37 | +0.60 |
| Round 9 | P.Zatorski | T.Sprinkhuizen – G.Mendes De Leon | Closed | 10 | +5.5 | +0.55 | +0.20 |
| Round 10 | P.Zatorski | M.Barel – Y.Zack | Closed | 10 | +3.9 | +0.39 | +2.10 |
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 |
|---|---|---|---|---|---|---|---|
| +10.5 | Round 4 | ANNA | 20 | 1NTx | ♦2 | +2 | +12 |
| +10.3 | Round 5 | LEVINE | 23 | 4♥ | ♣A | = | +15 |
| +9.1 | Round 2 | SOUTH SWEDEN | 16 | 6♠ | ♦5 | = | +0 |
| +8.5 | Round 4 | ANNA | 17 | 4♠ | ♦J | -2 | +11 |
| +8.3 | Round 9 | NETHERLANDS JUNIORS | 17 | 4♠ | ♣K | -1 | +11 |
| +7.4 | Round 4 | ANNA | 11 | 4♠x | ♦A | = | +5 |
| +7.3 | Round 4 | ANNA | 13 | 3NT | ♥A | -3 | +10 |
| +7.3 | Round 4 | ANNA | 15 | 7♦x | ♥2 | -2 | +12 |
| +4.9 | Round 7 | ZAWADA | 13 | 6♠x | ♣10 | = | +11 |
| +4.3 | Round 9 | NETHERLANDS JUNIORS | 19 | 2♥ | ♠10 | -3 | +5 |
| +4.1 | Round 8 | CHAGAS | 3 | 3NT | ♦8 | -2 | +13 |
| +3.9 | Round 10 | EMERALD | 22 | 2♥ | ♦10 | +2 | +10 |
| +3.7 | Round 9 | NETHERLANDS JUNIORS | 16 | 5♠x | ♥2 | -3 | +7 |
| +3.6 | Round 7 | ZAWADA | 19 | 4♥ | ♠6 | = | +0 |
| +3.5 | Round 2 | SOUTH SWEDEN | 19 | 4♠ | ♥A | -2 | +13 |
| +3.4 | Round 2 | SOUTH SWEDEN | 20 | 2♠ | ♥A | -1 | +6 |
| +3.1 | Round 1 | JOHN VEGA | 3 | 6♠ | ♥7 | = | -11 |
| +3.1 | Round 10 | EMERALD | 27 | 4♥ | ♥2 | -1 | +10 |
| +2.8 | Round 7 | ZAWADA | 17 | 3♥ | ♦J | = | +1 |
| +2.6 | Round 3 | CHINA OPEN 2 | 5 | 2♥ | ♦K | +1 | +1 |
| +2.5 | Round 6 | PAVLICEK | 2 | 5♠x | ♥A | -3 | +0 |
| +2.4 | Round 6 | PAVLICEK | 5 | 3♥ | ♠Q | = | +1 |
| +2.3 | Round 2 | SOUTH SWEDEN | 14 | 3♣ | ♦5 | -2 | +5 |
| +2.3 | Round 4 | ANNA | 14 | 3♠ | ♣6 | +1 | +6 |
| +2.3 | Round 6 | PAVLICEK | 1 | 3NT | ♦J | -2 | +5 |
| +2.2 | Round 6 | PAVLICEK | 8 | 2♠ | ♦Q | -2 | +0 |
| +2.2 | Round 9 | NETHERLANDS JUNIORS | 18 | 2♠ | ♥4 | +1 | +0 |
| +2.1 | Round 9 | NETHERLANDS JUNIORS | 14 | 4♠ | ♦8 | -1 | +5 |
| +2.0 | Round 1 | JOHN VEGA | 2 | 4♦ | ♥A | -3 | +0 |
| +2.0 | Round 6 | PAVLICEK | 9 | 2♣ | ♠Q | -1 | +0 |
| +1.9 | Round 3 | CHINA OPEN 2 | 1 | 1NT | ♥9 | +1 | +0 |
| +1.6 | Round 8 | CHAGAS | 10 | 2NT | ♠9 | -1 | +0 |
| +1.6 | Round 10 | EMERALD | 28 | 2♠ | ♥A | = | +0 |
| +1.4 | Round 1 | JOHN VEGA | 8 | 4♠x | ♥K | -2 | -3 |
| +1.4 | Round 4 | ANNA | 16 | 1NT | ♣A | +1 | +0 |
| +1.3 | Round 7 | ZAWADA | 15 | 4♥ | ♦7 | = | +0 |
| +1.2 | Round 7 | ZAWADA | 12 | 1NT | ♦A | +2 | +1 |
| +1.1 | Round 2 | SOUTH SWEDEN | 12 | 3♦ | ♣A | -3 | +0 |
| +1.1 | Round 10 | EMERALD | 23 | 5♦ | ♣K | -1 | +1 |
| +1.0 | Round 5 | LEVINE | 27 | 1NT | ♦4 | -1 | +5 |
| +0.9 | Round 3 | CHINA OPEN 2 | 8 | 3♣ | ♣6 | -1 | -2 |
| +0.9 | Round 4 | ANNA | 12 | 4♦ | ♠K | -1 | -2 |
| +0.9 | Round 8 | CHAGAS | 5 | 5♣ | ♥A | = | -2 |
| +0.8 | Round 7 | ZAWADA | 16 | 6♣ | ♥4 | +1 | -11 |
| +0.8 | Round 10 | EMERALD | 25 | 3NT | ♥J | +2 | +0 |
| +0.7 | Round 6 | PAVLICEK | 7 | 3♣ | ♦A | +1 | +0 |
| +0.6 | Round 5 | LEVINE | 25 | 3NT | ♥3 | +2 | +1 |
| +0.6 | Round 6 | PAVLICEK | 3 | 1NT | ♥J | = | -2 |
| +0.5 | Round 8 | CHAGAS | 6 | 3NT | ♠4 | = | +0 |
| +0.5 | Round 10 | EMERALD | 29 | 3NT | ♥3 | +1 | +0 |
| +0.4 | Round 1 | JOHN VEGA | 10 | 4♥ | ♠2 | +1 | +0 |
| +0.4 | Round 5 | LEVINE | 22 | 2♠ | ♥3 | = | +0 |
| +0.3 | Round 8 | CHAGAS | 9 | 2♠ | ♣6 | +2 | +1 |
| +0.1 | Round 2 | SOUTH SWEDEN | 18 | 3NT | ♠Q | +1 | +0 |
| +0.0 | Round 1 | JOHN VEGA | 5 | 2♠ | ♥A | -1 | -5 |
| +0.0 | Round 3 | CHINA OPEN 2 | 4 | 2♦ | ♥A | -1 | +0 |
| +0.0 | Round 3 | CHINA OPEN 2 | 9 | 3NT | ♦4 | = | +1 |
| +0.0 | Round 5 | LEVINE | 26 | 2♠ | ♣3 | = | -1 |
| -0.0 | Round 5 | LEVINE | 30 | 4♠ | ♣4 | = | +0 |
| -0.0 | Round 9 | NETHERLANDS JUNIORS | 15 | 5♣ | ♠10 | = | +2 |
| -0.1 | Round 2 | SOUTH SWEDEN | 11 | 1NT | ♠9 | -2 | +1 |
| -0.1 | Round 3 | CHINA OPEN 2 | 7 | 3NT | ♣8 | +1 | +0 |
| -0.1 | Round 3 | CHINA OPEN 2 | 10 | 4♥ | ♣Q | -2 | +8 |
| -0.2 | Round 5 | LEVINE | 29 | 3NT | ♣10 | +1 | -1 |
| -0.2 | Round 8 | CHAGAS | 2 | 2♥ | ♥6 | = | +7 |
| -0.5 | Round 7 | ZAWADA | 18 | 3NT | ♥4 | +1 | +1 |
| -0.7 | Round 2 | SOUTH SWEDEN | 13 | 4♥ | ♦J | +1 | +0 |
| -0.7 | Round 6 | PAVLICEK | 4 | 2♥ | ♦9 | -1 | -11 |
| -0.7 | Round 6 | PAVLICEK | 10 | 2♥ | ♥3 | -1 | -6 |
| -0.8 | Round 9 | NETHERLANDS JUNIORS | 11 | 2♠x | ♦5 | -2 | -3 |
| -0.9 | Round 9 | NETHERLANDS JUNIORS | 13 | 4♠ | ♥4 | = | +1 |
| -0.9 | Round 9 | NETHERLANDS JUNIORS | 20 | 3NT | ♥J | +1 | -13 |
| -0.9 | Round 10 | EMERALD | 21 | 3NT | ♣2 | = | +0 |
| -1.0 | Round 4 | ANNA | 18 | 3♥ | ♣Q | = | -1 |
| -1.1 | Round 5 | LEVINE | 24 | 6♦ | ♣K | = | +2 |
| -1.2 | Round 10 | EMERALD | 24 | 6NT | ♠J | = | +0 |
| -1.4 | Round 10 | EMERALD | 30 | 2♦ | ♠A | +1 | +0 |
| -1.7 | Round 7 | ZAWADA | 20 | 2♠ | ♠2 | +2 | -1 |
| -1.8 | Round 2 | SOUTH SWEDEN | 17 | 3NT | ♠7 | +1 | +0 |
| -2.2 | Round 3 | CHINA OPEN 2 | 3 | 2NT | ♥A | -2 | +1 |
| -2.2 | Round 6 | PAVLICEK | 6 | 4♠ | ♣A | -1 | -4 |
| -2.3 | Round 1 | JOHN VEGA | 4 | 5♦ | ♥2 | = | -11 |
| -2.4 | Round 3 | CHINA OPEN 2 | 6 | 3♣ | ♥6 | = | +0 |
| -2.5 | Round 1 | JOHN VEGA | 7 | 3NT | ♠5 | = | +0 |
| -2.7 | Round 1 | JOHN VEGA | 6 | 3NT | ♠3 | = | +1 |
| -2.8 | Round 8 | CHAGAS | 4 | 3♥ | ♠10 | = | +0 |
| -3.5 | Round 5 | LEVINE | 28 | 2♠ | ♥K | = | -5 |
| -3.6 | Round 7 | ZAWADA | 11 | 3NT | ♥7 | -2 | -6 |
| -3.6 | Round 10 | EMERALD | 26 | 3NT | ♥10 | = | +0 |
| -3.7 | Round 2 | SOUTH SWEDEN | 15 | 5♥ | ♠A | = | -6 |
| -3.8 | Round 3 | CHINA OPEN 2 | 2 | 4♠ | ♣A | -1 | -9 |
| -4.0 | Round 4 | ANNA | 19 | 4♥ | ♣7 | -1 | -5 |
| -4.4 | Round 7 | ZAWADA | 14 | 4♠ | ♥K | = | -11 |
| -4.4 | Round 8 | CHAGAS | 1 | 3NT | ♦3 | +1 | -7 |
| -5.7 | Round 5 | LEVINE | 21 | 6♣ | ♥4 | = | +2 |
| -6.6 | Round 8 | CHAGAS | 8 | 4♠ | ♣5 | -2 | -6 |
| -7.1 | Round 8 | CHAGAS | 7 | 3NT | ♣Q | = | +0 |
| -7.4 | Round 1 | JOHN VEGA | 9 | 5♦ | ♣K | -1 | -10 |
| -8.4 | Round 1 | JOHN VEGA | 1 | 3NT | ♥2 | +2 | -8 |
| -12.5 | Round 9 | NETHERLANDS JUNIORS | 12 | 5♦ | ♠6 | +1 | -13 |