MITTELMAN George · CANADA Seniors
591rank
-74.0Butler · 100 bds
-0.74per board
±3.8swing
+0.10vs par /bd · #254/567
-0.66adjusted /bd
by round
vs par split: bidding +0.18 · play -0.08
Strength of schedule: opponents averaged +0.08/bd (a tough draw) → opponent-adjusted -0.66/bd
Card play — on target: opening leads 77.4% #363 of 567 · declarer play 68.4% #466 of 567 · defence 86.5% #147 of 567
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 83.3% (12) | 73.7% (19) |
| Declarer play | 50.0% (4) | 73.3% (15) |
| Defence | 73.7% (19) | 93.9% (33) |
Opening leads by suit led: ♠ 70.0% (10) · ♥ 83.3% (6) · ♦ 100.0% (7) · ♣ 62.5% (8)
vs par by strain: NT -0.64 (33) · a suit +0.46 (67)
vs par by level: part-score +0.04 (47) · game -0.22 (50) · slam +6.33 (3)
By role: declaring -1.21/bd (-2.52 vs par · 48) · defending -0.31/bd (+2.52 vs par · 52)
By vulnerability: vulnerable -0.94/bd (-0.06 vs par · 50) · not vulnerable -0.54/bd (+0.26 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | K.Bercuson | C.Lee – J.Kim | Closed | 10 | -13.8 | -1.38 | -1.00 |
| Round 2 | K.Bercuson | M.Ince – N.Kokten | Open | 10 | -0.4 | -0.04 | +1.30 |
| Round 4 | K.Bercuson | J.Li – J.Hu | Open | 10 | -16.2 | -1.62 | -1.90 |
| Round 5 | K.Bercuson | Y.Guan – J.Liang | Open | 10 | -6.7 | -0.67 | -0.10 |
| Round 8 | K.Bercuson | L.Zhang – Y.Xia | Open | 10 | +5.4 | +0.54 | +0.60 |
| Round 9 | K.Bercuson | D.Gan – L.He | Closed | 10 | -12.7 | -1.27 | +2.90 |
| Round 10 | K.Bercuson | C.Madsen – O.Pavlushko | Open | 10 | +6.7 | +0.67 | +2.80 |
| Round 13 | K.Bercuson | F.Ye – X.Wu | Open | 10 | -9.2 | -0.92 | +0.60 |
| Round 14 | K.Bercuson | Y.Guan – W.Wang | Open | 10 | +2.2 | +0.22 | +1.40 |
| Round 15 | K.Bercuson | L.Zhang – S.Liu | Closed | 10 | -29.3 | -2.93 | -5.60 |
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 |
|---|---|---|---|---|---|---|---|
| +8.9 | Round 14 | JXBA | 11 | 3NT | ♣6 | -2 | +11 |
| +7.8 | Round 8 | CCSA | 16 | 4♥x | ♣A | -2 | +5 |
| +6.6 | Round 10 | AURUSSIA | 7 | 2NT | ♦7 | +1 | +10 |
| +6.1 | Round 14 | JXBA | 18 | 4♦ | ♠K | -4 | +7 |
| +5.9 | Round 8 | CCSA | 20 | 3NT | ♥5 | -3 | +9 |
| +5.7 | Round 5 | YENOVA | 17 | 4♠ | ♥4 | -2 | +6 |
| +5.5 | Round 8 | CCSA | 13 | 5♦ | ♠K | -1 | +6 |
| +5.4 | Round 2 | TURKEY Seniors | 17 | 4♠ | ♥A | -2 | +11 |
| +5.1 | Round 13 | ZHEJIANG JINJIANG | 5 | 4♥ | ♦A | +1 | +11 |
| +4.7 | Round 10 | AURUSSIA | 3 | 5♣ | ♥A | -1 | +10 |
| +3.8 | Round 1 | NEWB | 6 | 2♠ | ♦8 | = | +11 |
| +3.7 | Round 9 | SANMING EDUCATION | 28 | 3♥ | ♣10 | = | +2 |
| +3.6 | Round 2 | TURKEY Seniors | 14 | 3NT | ♠J | -1 | -2 |
| +3.6 | Round 5 | YENOVA | 12 | 1NT | ♦6 | = | +5 |
| +3.2 | Round 2 | TURKEY Seniors | 11 | 2♦ | ♦A | +2 | +7 |
| +3.2 | Round 9 | SANMING EDUCATION | 22 | 5♦ | ♣A | -1 | +5 |
| +3.1 | Round 14 | JXBA | 16 | 4♠x | ♥K | -1 | +6 |
| +2.7 | Round 2 | TURKEY Seniors | 18 | 3♣ | ♠8 | -1 | +1 |
| +2.5 | Round 10 | AURUSSIA | 6 | 2♠ | ♣10 | +1 | +0 |
| +2.3 | Round 14 | JXBA | 20 | 1NT | ♦2 | = | +6 |
| +2.1 | Round 1 | NEWB | 7 | 1NT | ♥5 | +3 | +2 |
| +1.8 | Round 1 | NEWB | 10 | 4♥ | ♣10 | -2 | +2 |
| +1.7 | Round 5 | YENOVA | 18 | 3NT | ♠9 | -1 | +6 |
| +1.7 | Round 9 | SANMING EDUCATION | 25 | 4♥ | ♦4 | +2 | +11 |
| +1.7 | Round 14 | JXBA | 17 | 4♠ | ♣6 | +1 | +0 |
| +1.6 | Round 5 | YENOVA | 15 | 2♥ | ♠A | = | +5 |
| +1.5 | Round 14 | JXBA | 12 | 4♠ | ♥10 | +1 | +1 |
| +1.3 | Round 10 | AURUSSIA | 10 | 2♠ | ♥10 | = | +0 |
| +1.1 | Round 5 | YENOVA | 11 | 3♠ | ♣8 | +1 | +1 |
| +0.9 | Round 13 | ZHEJIANG JINJIANG | 4 | 3♣ | ♣3 | -1 | +0 |
| +0.8 | Round 15 | WARHORSE | 24 | 3NT | ♠2 | +3 | +1 |
| +0.7 | Round 4 | JSQX NJZS BRIDGECLUB | 7 | 3♠ | ♣K | = | +0 |
| +0.7 | Round 10 | AURUSSIA | 1 | 3♦ | ♥4 | -1 | +4 |
| +0.6 | Round 2 | TURKEY Seniors | 13 | 1NT | ♦K | = | -1 |
| +0.6 | Round 4 | JSQX NJZS BRIDGECLUB | 3 | 4♥ | ♠K | +2 | +11 |
| +0.6 | Round 9 | SANMING EDUCATION | 27 | 3♠ | ♥A | +1 | -6 |
| +0.5 | Round 15 | WARHORSE | 25 | 3NT | ♣4 | = | +1 |
| +0.4 | Round 4 | JSQX NJZS BRIDGECLUB | 5 | 4♠ | ♥A | +1 | +1 |
| +0.3 | Round 2 | TURKEY Seniors | 12 | 3♣ | ♠2 | -1 | +10 |
| +0.3 | Round 4 | JSQX NJZS BRIDGECLUB | 1 | 4♥ | ♠K | +1 | +0 |
| +0.2 | Round 13 | ZHEJIANG JINJIANG | 7 | 5♣ | ♥4 | = | -2 |
| +0.1 | Round 5 | YENOVA | 16 | 3♣ | ♠J | = | +7 |
| +0.1 | Round 9 | SANMING EDUCATION | 24 | 2♥ | ♠2 | -1 | +4 |
| +0.0 | Round 8 | CCSA | 11 | 4♠ | ♥K | +1 | +0 |
| -0.0 | Round 8 | CCSA | 14 | 3NT | ♠5 | +2 | +0 |
| +0.0 | Round 10 | AURUSSIA | 8 | 6NT | ♦4 | = | +11 |
| -0.2 | Round 15 | WARHORSE | 21 | 3♦ | ♥A | -1 | +3 |
| -0.5 | Round 8 | CCSA | 15 | 3NT | ♠2 | +1 | +0 |
| -0.6 | Round 13 | ZHEJIANG JINJIANG | 6 | 3♥ | ♣3 | +1 | +6 |
| -0.9 | Round 13 | ZHEJIANG JINJIANG | 9 | 3NT | ♥5 | +2 | -2 |
| -1.0 | Round 10 | AURUSSIA | 4 | 3♠ | ♥2 | -1 | +1 |
| -1.2 | Round 1 | NEWB | 9 | 2♣ | ♣A | = | +3 |
| -1.3 | Round 1 | NEWB | 3 | 3♥ | ♦Q | = | +0 |
| -1.3 | Round 2 | TURKEY Seniors | 19 | 2NT | ♣Q | = | +0 |
| -1.4 | Round 9 | SANMING EDUCATION | 26 | 3NT | ♠5 | +3 | +12 |
| -1.5 | Round 13 | ZHEJIANG JINJIANG | 10 | 3♥ | ♠5 | -1 | -6 |
| -1.6 | Round 4 | JSQX NJZS BRIDGECLUB | 10 | 1NT | ♠5 | +1 | -1 |
| -1.7 | Round 4 | JSQX NJZS BRIDGECLUB | 8 | 2♠ | ♥10 | -1 | -4 |
| -1.7 | Round 8 | CCSA | 18 | 5♦ | ♣5 | = | +2 |
| -1.8 | Round 15 | WARHORSE | 23 | 2♠ | ♠2 | +1 | -1 |
| -1.9 | Round 4 | JSQX NJZS BRIDGECLUB | 9 | 3♥ | ♠A | -2 | -7 |
| -1.9 | Round 8 | CCSA | 17 | 5♦ | ♥6 | -2 | -5 |
| -1.9 | Round 13 | ZHEJIANG JINJIANG | 2 | 3♦ | ♥Q | = | +9 |
| -2.0 | Round 4 | JSQX NJZS BRIDGECLUB | 6 | 2♥ | ♠7 | -2 | -3 |
| -2.1 | Round 5 | YENOVA | 14 | 1NT | ♠Q | +1 | -6 |
| -2.1 | Round 9 | SANMING EDUCATION | 21 | 3♠ | ♦A | = | -7 |
| -2.1 | Round 10 | AURUSSIA | 9 | 1NT | ♦7 | +1 | -5 |
| -2.5 | Round 15 | WARHORSE | 28 | 3NT | ♥J | +3 | -11 |
| -2.7 | Round 10 | AURUSSIA | 2 | 4♠ | ♥A | = | -3 |
| -2.7 | Round 15 | WARHORSE | 22 | 2NT | ♠5 | +1 | -10 |
| -2.8 | Round 13 | ZHEJIANG JINJIANG | 1 | 3NT | ♦5 | = | +1 |
| -2.8 | Round 15 | WARHORSE | 26 | 2NT | ♣Q | = | -11 |
| -2.8 | Round 15 | WARHORSE | 30 | 3NT | ♦5 | -1 | -5 |
| -2.9 | Round 1 | NEWB | 5 | 2♣ | ♣4 | +2 | -7 |
| -2.9 | Round 14 | JXBA | 19 | 3♦ | ♠6 | -2 | -3 |
| -3.0 | Round 14 | JXBA | 14 | 1NT | ♣10 | -1 | -4 |
| -3.1 | Round 1 | NEWB | 2 | 3NT | ♥2 | -1 | -5 |
| -3.1 | Round 1 | NEWB | 8 | 4♠ | ♥4 | -1 | -10 |
| -3.2 | Round 4 | JSQX NJZS BRIDGECLUB | 2 | 5♣ | ♥K | -1 | -3 |
| -3.2 | Round 13 | ZHEJIANG JINJIANG | 3 | 2NT | ♥2 | = | -11 |
| -3.3 | Round 10 | AURUSSIA | 5 | 3♥x | ♠6 | -1 | +0 |
| -3.4 | Round 9 | SANMING EDUCATION | 29 | 2♥ | ♠Q | -1 | -1 |
| -3.6 | Round 8 | CCSA | 12 | 4♥ | ♦K | +2 | -11 |
| -3.8 | Round 2 | TURKEY Seniors | 16 | 3NT | ♣2 | = | -7 |
| -4.2 | Round 2 | TURKEY Seniors | 15 | 3♠ | ♦K | -1 | -3 |
| -4.5 | Round 13 | ZHEJIANG JINJIANG | 8 | 6♦ | ♠8 | = | +0 |
| -4.7 | Round 1 | NEWB | 4 | 4♥ | ♣4 | -1 | -6 |
| -5.1 | Round 5 | YENOVA | 20 | 4♠ | ♣6 | -1 | -6 |
| -5.2 | Round 1 | NEWB | 1 | 4♠ | ♣3 | = | +0 |
| -5.9 | Round 14 | JXBA | 13 | 4♥ | ♠Q | -3 | -5 |
| -6.1 | Round 8 | CCSA | 19 | 3NT | ♠2 | = | +0 |
| -6.2 | Round 5 | YENOVA | 19 | 4♠ | ♣A | = | -7 |
| -6.9 | Round 2 | TURKEY Seniors | 20 | 3NT | ♥5 | = | -3 |
| -7.1 | Round 5 | YENOVA | 13 | 4♠ | ♣Q | -1 | -12 |
| -7.4 | Round 9 | SANMING EDUCATION | 30 | 3NT | ♦J | = | +1 |
| -7.7 | Round 9 | SANMING EDUCATION | 23 | 6♦ | ♥9 | = | +8 |
| -7.8 | Round 4 | JSQX NJZS BRIDGECLUB | 4 | 3NT | ♠J | -2 | -13 |
| -7.9 | Round 15 | WARHORSE | 29 | 5♥ | ♠K | -2 | -12 |
| -9.6 | Round 14 | JXBA | 15 | 3♣ | ♥Q | -6 | -5 |
| -9.9 | Round 15 | WARHORSE | 27 | 4♠ | ♥3 | = | -11 |