GOLD David · ROSENTHAL
313rank
-11.2Butler · 100 bds
-0.11per board
±3.9swing
-0.01vs par /bd · #266/518
+0.10adjusted /bd
by round
vs par split: bidding +0.04 · play -0.05
Strength of schedule: opponents averaged +0.22/bd (a tough draw) → opponent-adjusted +0.10/bd
Card play — on target: opening leads 87.5% #93 of 518 · declarer play 75.0% #244 of 517 · defence 88.0% #104 of 518
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (3) | 85.7% (21) |
| Declarer play | 75.0% (4) | 75.0% (16) |
| Defence | 90.0% (10) | 87.5% (40) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 91.7% (12) · ♦ 100.0% (5) · ♣ 75.0% (4)
vs par by strain: NT -0.07 (28) · a suit +0.01 (72)
vs par by level: part-score -0.11 (44) · game -0.12 (50) · slam +1.67 (6)
By role: declaring -0.21/bd (-2.80 vs par · 50) · defending -0.01/bd (+2.78 vs par · 50)
By vulnerability: vulnerable +0.25/bd (-0.53 vs par · 51) · not vulnerable -0.49/bd (+0.53 vs par · 49)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | M.Gold | J.Wilkinson – M.Chiba | Closed | 10 | -1.6 | -0.16 | -1.10 |
| Round 2 | M.Gold | H.Bakhshi – D.Bakhshi | Open | 10 | -0.6 | -0.06 | +1.00 |
| Round 3 | M.Gold | M.Rimstedt – S.Buus Thomsen | Open | 10 | -12.9 | -1.29 | -1.50 |
| Round 4 | M.Gold | W.Cole – B.Palmer | Closed | 10 | +14.1 | +1.41 | +3.30 |
| Round 5 | M.Gold | L.Cuevas – M.Caracci | Closed | 10 | +8.5 | +0.85 | +1.40 |
| Round 6 | M.Gold | T.Helness – G.Helness | Closed | 10 | +4.5 | +0.45 | -0.60 |
| Round 7 | M.Gold | N.Gartaganis – J.Gartaganis | Open | 10 | -16.4 | -1.64 | +1.00 |
| Round 8 | M.Gold | J.Wolpert – S.Weinstein | Closed | 10 | -10.9 | -1.09 | +0.40 |
| Round 9 | M.Gold | E.Mauberquez – N.Frey | Closed | 10 | +1.2 | +0.12 | -2.10 |
| Round 10 | M.Gold | B.Satyanarayana – K.Nadar | Open | 10 | +2.9 | +0.29 | -1.90 |
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 |
|---|---|---|---|---|---|---|---|
| +9.2 | Round 5 | MAVILO | 30 | 4♠x | ♥3 | -4 | +8 |
| +9.1 | Round 1 | SKY BRIDGE CLUB | 2 | 2♠ | ♦3 | +1 | +10 |
| +8.2 | Round 9 | REESS | 19 | 4♥ | ♥3 | -1 | +10 |
| +6.5 | Round 8 | HILL | 9 | 5♣ | ♥2 | = | +3 |
| +6.3 | Round 2 | JANSMA | 16 | 3♣ | ♥10 | +1 | +7 |
| +6.1 | Round 10 | FORMIDABLES | 25 | 5♣x | ♦4 | -4 | +5 |
| +5.5 | Round 4 | MANFIELD | 13 | 3NT | ♥4 | = | +10 |
| +4.7 | Round 1 | SKY BRIDGE CLUB | 9 | 3NT | ♣3 | +1 | +10 |
| +4.6 | Round 6 | WARD PLATT | 5 | 6♠ | ♣K | = | +0 |
| +4.4 | Round 4 | MANFIELD | 20 | 3♥ | ♣10 | -1 | +6 |
| +4.4 | Round 10 | FORMIDABLES | 28 | 4♥ | ♥4 | -1 | +5 |
| +4.2 | Round 2 | JANSMA | 15 | 3NT | ♠Q | -1 | +16 |
| +4.2 | Round 2 | JANSMA | 17 | 6♣ | ♥K | -3 | +10 |
| +4.2 | Round 5 | MAVILO | 22 | 3NT | ♣10 | = | +10 |
| +3.9 | Round 3 | MCALLISTER | 4 | 3NT | ♥10 | = | -2 |
| +3.4 | Round 4 | MANFIELD | 15 | 3NT | ♠5 | -1 | +4 |
| +3.3 | Round 1 | SKY BRIDGE CLUB | 7 | 2♣ | ♥Q | +2 | +1 |
| +3.3 | Round 3 | MCALLISTER | 7 | 2♦ | ♠6 | = | +0 |
| +2.8 | Round 1 | SKY BRIDGE CLUB | 1 | 2♥ | ♠3 | = | +5 |
| +2.8 | Round 1 | SKY BRIDGE CLUB | 6 | 3NT | ♥3 | +2 | +1 |
| +2.7 | Round 2 | JANSMA | 18 | 2♦ | ♠3 | -2 | +2 |
| +2.7 | Round 6 | WARD PLATT | 3 | 4♥ | ♠3 | +1 | +11 |
| +2.7 | Round 7 | GARTAGANIS | 15 | 4♥ | ♠K | -1 | +6 |
| +2.7 | Round 8 | HILL | 2 | 5♦ | ♥K | -1 | +12 |
| +2.6 | Round 8 | HILL | 6 | 3NT | ♠3 | +1 | +10 |
| +2.4 | Round 7 | GARTAGANIS | 14 | 5♣ | ♥A | = | +0 |
| +2.3 | Round 5 | MAVILO | 26 | 6NT | ♦6 | = | +0 |
| +2.3 | Round 6 | WARD PLATT | 4 | 3NT | ♠Q | +1 | +0 |
| +1.9 | Round 4 | MANFIELD | 16 | 3♣ | ♠3 | -1 | +12 |
| +1.8 | Round 7 | GARTAGANIS | 19 | 3♠ | ♣8 | -1 | +4 |
| +1.8 | Round 8 | HILL | 10 | 3♠ | ♣3 | +2 | +9 |
| +1.8 | Round 10 | FORMIDABLES | 27 | 2♥ | ♠K | +2 | -6 |
| +1.7 | Round 5 | MAVILO | 21 | 2♦ | ♣6 | = | +0 |
| +1.6 | Round 6 | WARD PLATT | 10 | 2♦ | ♦3 | +1 | +0 |
| +1.5 | Round 5 | MAVILO | 27 | 1NT | ♠5 | +1 | +0 |
| +1.4 | Round 9 | REESS | 15 | 4♠ | ♦9 | = | +1 |
| +1.3 | Round 3 | MCALLISTER | 9 | 3♦ | ♠J | = | -1 |
| +1.2 | Round 3 | MCALLISTER | 10 | 2♥ | ♥6 | = | +1 |
| +1.2 | Round 6 | WARD PLATT | 2 | 3NT | ♣Q | +1 | +1 |
| +1.1 | Round 4 | MANFIELD | 14 | 3♥ | ♦A | -1 | -2 |
| +1.0 | Round 4 | MANFIELD | 19 | 2♥ | ♥2 | +1 | +8 |
| +0.8 | Round 6 | WARD PLATT | 6 | 4♠ | ♦2 | = | -1 |
| +0.7 | Round 10 | FORMIDABLES | 29 | 2♠ | ♦K | = | +0 |
| +0.6 | Round 4 | MANFIELD | 11 | 1NT | ♠3 | +1 | +0 |
| +0.6 | Round 9 | REESS | 18 | 3NT | ♣3 | +2 | +1 |
| +0.5 | Round 9 | REESS | 11 | 4♠ | ♥A | +1 | +0 |
| +0.4 | Round 2 | JANSMA | 20 | 4♥ | ♠7 | +1 | +0 |
| +0.4 | Round 3 | MCALLISTER | 5 | 3♥ | ♠7 | +1 | -7 |
| +0.3 | Round 2 | JANSMA | 13 | 4♠ | ♣5 | +2 | -13 |
| +0.3 | Round 9 | REESS | 17 | 4♥ | ♣J | +1 | -10 |
| +0.2 | Round 5 | MAVILO | 24 | 2♠ | ♥4 | +1 | +7 |
| +0.1 | Round 2 | JANSMA | 11 | 3♠ | ♥9 | = | -4 |
| +0.1 | Round 9 | REESS | 20 | 1NT | ♦9 | +1 | +1 |
| +0.0 | Round 4 | MANFIELD | 12 | 3♠ | ♥K | = | +0 |
| -0.0 | Round 8 | HILL | 5 | 2♠ | ♦J | +1 | +0 |
| -0.1 | Round 3 | MCALLISTER | 3 | 3NT | ♦J | +1 | +0 |
| -0.1 | Round 5 | MAVILO | 28 | 1♠ | ♣K | +1 | +0 |
| -0.2 | Round 9 | REESS | 13 | 3♠ | ♠Q | -1 | -6 |
| -0.2 | Round 10 | FORMIDABLES | 21 | 2♣ | ♣10 | +1 | +1 |
| -0.3 | Round 1 | SKY BRIDGE CLUB | 4 | 4♠ | ♥3 | +1 | +0 |
| -0.4 | Round 6 | WARD PLATT | 8 | 2♠ | ♣3 | +2 | +6 |
| -0.4 | Round 9 | REESS | 16 | 4♠ | ♦8 | +1 | +0 |
| -0.7 | Round 3 | MCALLISTER | 6 | 4♥ | ♣8 | +1 | +0 |
| -1.1 | Round 7 | GARTAGANIS | 16 | 3NT | ♥7 | +2 | +0 |
| -1.2 | Round 10 | FORMIDABLES | 22 | 1♥ | ♣A | +2 | +0 |
| -1.6 | Round 4 | MANFIELD | 18 | 4♣ | ♥K | -1 | -3 |
| -1.6 | Round 7 | GARTAGANIS | 17 | 2♠ | ♥7 | +1 | +7 |
| -1.7 | Round 10 | FORMIDABLES | 23 | 3NT | ♠9 | -1 | -12 |
| -1.8 | Round 10 | FORMIDABLES | 26 | 4♣ | ♠A | -1 | -5 |
| -1.9 | Round 6 | WARD PLATT | 9 | 2♠ | ♥5 | = | -5 |
| -1.9 | Round 8 | HILL | 1 | 3NT | ♣9 | +1 | +0 |
| -2.0 | Round 7 | GARTAGANIS | 20 | 1NT | ♦7 | = | -11 |
| -2.2 | Round 4 | MANFIELD | 17 | 4NT | ♥10 | +2 | -2 |
| -2.2 | Round 7 | GARTAGANIS | 13 | 4♠ | ♦7 | +1 | +13 |
| -2.3 | Round 10 | FORMIDABLES | 30 | 1NT | ♠J | = | -8 |
| -2.8 | Round 5 | MAVILO | 29 | 3NT | ♦10 | = | +1 |
| -2.9 | Round 10 | FORMIDABLES | 24 | 2♠ | ♦2 | = | +1 |
| -3.0 | Round 1 | SKY BRIDGE CLUB | 5 | 3♠ | ♥Q | -1 | -5 |
| -3.0 | Round 8 | HILL | 8 | 2♥ | ♣K | = | +1 |
| -3.1 | Round 5 | MAVILO | 23 | 4♥ | ♣5 | -1 | -6 |
| -3.1 | Round 8 | HILL | 3 | 3♠ | ♠3 | -1 | -5 |
| -3.2 | Round 6 | WARD PLATT | 1 | 3NT | ♥3 | = | -7 |
| -3.2 | Round 6 | WARD PLATT | 7 | 3♣ | ♠3 | +2 | -11 |
| -3.6 | Round 1 | SKY BRIDGE CLUB | 10 | 3♦ | ♠A | = | -6 |
| -3.7 | Round 9 | REESS | 12 | 6♥x | ♠A | -1 | -11 |
| -3.8 | Round 2 | JANSMA | 12 | 4♠ | ♣J | = | -10 |
| -4.3 | Round 7 | GARTAGANIS | 18 | 6♠ | ♦A | = | +0 |
| -4.5 | Round 7 | GARTAGANIS | 11 | 3NT | ♠4 | -2 | -5 |
| -4.6 | Round 5 | MAVILO | 25 | 4♥ | ♠3 | +1 | -6 |
| -5.6 | Round 9 | REESS | 14 | 5♦ | ♥K | = | -7 |
| -6.4 | Round 1 | SKY BRIDGE CLUB | 8 | 3NT | ♣3 | -2 | -11 |
| -6.8 | Round 2 | JANSMA | 19 | 3♦ | ♥A | -3 | -9 |
| -6.8 | Round 8 | HILL | 7 | 4♠ | ♣3 | -1 | -13 |
| -7.1 | Round 3 | MCALLISTER | 1 | 3NT | ♣2 | -1 | -5 |
| -7.3 | Round 3 | MCALLISTER | 8 | 4♥x | ♥A | -2 | +0 |
| -7.6 | Round 7 | GARTAGANIS | 12 | 3NT | ♥10 | +2 | -4 |
| -7.8 | Round 3 | MCALLISTER | 2 | 4♠ | ♥5 | +1 | -1 |
| -8.2 | Round 2 | JANSMA | 14 | 6♦ | ♥K | = | +11 |
| -9.7 | Round 8 | HILL | 4 | 4♠ | ♥K | = | -13 |
| -11.0 | Round 1 | SKY BRIDGE CLUB | 3 | 4♠ | ♣K | -3 | -16 |