GROSSACK Zachary · ROSENTHAL
33rank
+1.5net boards · 45 bds
51.7%board-a-match
±0.6swing
by round
Bidding activity — not a pass: 42.6% (55/129)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Net | BAM% |
|---|---|---|---|---|---|---|
| Round 1 | M.Rosenberg | R.Tewari – S.Mukherjee | Closed | 3 | +1.1 | 68.5% |
| Round 2 | M.Rosenberg | S.Sze – W.Chiu | Closed | 3 | +1.2 | 70.0% |
| Round 3 | M.Rosenberg | M.Blat – W.Starkowski | Closed | 3 | +0.7 | 61.5% |
| Round 4 | M.Rosenberg | S.Hult – F.Wrang | Closed | 3 | -1.1 | 31.5% |
| Round 5 | M.Rosenberg | J.Kalita – M.Klukowski | Closed | 3 | +1.1 | 68.5% |
| Round 6 | M.Rosenberg | Y.Zack – R.Benin-Barr | Closed | 3 | +1.2 | 70.0% |
| Round 7 | M.Rosenberg | L.Zheng – T.Pan | Closed | 3 | -0.1 | 48.5% |
| Round 8 | M.Rosenberg | K.Mezei – L.Honti | Closed | 3 | -1.4 | 26.5% |
| Round 9 | M.Rosenberg | A.Sandin – C.Mann | Closed | 3 | +0.4 | 56.5% |
| Round 10 | M.Rosenberg | A.Acar – B.Erkan | Closed | 3 | -1.2 | 30.0% |
| Round 11 | M.Rosenberg | N.Bocchi – A.Gandoglia | Closed | 3 | -1.0 | 33.5% |
| Round 12 | M.Rosenberg | J.Holland – A.Mould | Closed | 3 | -0.1 | 48.5% |
| Round 13 | M.Rosenberg | C.Pellegrini – M.Sjoqvist | Closed | 3 | +0.3 | 55.0% |
| Round 14 | M.Rosenberg | D.Mcintosh – R.Hauge | Closed | 3 | +1.1 | 68.5% |
| Round 15 | M.Rosenberg | T.Hoftaniska – M.Andresen | Closed | 3 | -0.7 | 38.5% |
Every board — best board-a-match first↑ top
| BAM% | Round | Opponents | Bd | Contract | Lead | Res |
|---|---|---|---|---|---|---|
| 100.0% | Round 2 | HOBAA | 4 | 4♠ | ♣6 | -2 |
| 100.0% | Round 12 | ENGLISH SENIORS | 6 | 2♥x | ♦2 | -2 |
| 95.0% | Round 9 | DINKIN | 26 | 1NT | ♥3 | = |
| 95.0% | Round 14 | HAUGE | 11 | 4♥ | ♣9 | -2 |
| 90.0% | Round 6 | ISRAEL MIXED | 17 | 4♠ | ♥7 | = |
| 85.0% | Round 1 | INDIA OPEN | 1 | 6♥ | ♦K | +1 |
| 85.0% | Round 2 | HOBAA | 6 | 2♠ | ♥4 | +1 |
| 85.0% | Round 6 | ISRAEL MIXED | 16 | 3NT | ♠K | = |
| 85.0% | Round 13 | REASON | 7 | 4♦x | ♦2 | -1 |
| 80.0% | Round 5 | ZIMMERMANN | 14 | 3NT | ♠T | +1 |
| 75.0% | Round 3 | POLAND SENIORS | 9 | 3NT | ♦2 | -2 |
| 75.0% | Round 14 | HAUGE | 12 | 4♠x | ♦K | -1 |
| 70.0% | Round 15 | FAR | 13 | 6♦ | ♣A | +1 |
| 65.0% | Round 1 | INDIA OPEN | 3 | 4♥ | ♣3 | +3 |
| 65.0% | Round 5 | ZIMMERMANN | 15 | 4♥ | ♠6 | = |
| 65.0% | Round 7 | ANTIPODEAN PANDAS | 19 | 1NT | ♦5 | -1 |
| 65.0% | Round 8 | HUNGARY MIXED | 22 | 3NT | ♠6 | -2 |
| 65.0% | Round 13 | REASON | 8 | 2♦ | ♥3 | +3 |
| 60.0% | Round 5 | ZIMMERMANN | 13 | 4♥ | ♣A | -1 |
| 55.0% | Round 1 | INDIA OPEN | 2 | 6♠ | ♣T | = |
| 55.0% | Round 3 | POLAND SENIORS | 7 | 5♥ | ♣K | = |
| 55.0% | Round 3 | POLAND SENIORS | 8 | 2♥ | ♥9 | -1 |
| 50.0% | Round 9 | DINKIN | 27 | 3NT | ♣4 | = |
| 50.0% | Round 10 | TURKIYE WOMEN | 29 | 2♠ | ♥2 | +1 |
| 45.0% | Round 7 | ANTIPODEAN PANDAS | 21 | 2♦ | ♥3 | +1 |
| 45.0% | Round 11 | OVERDECK | 1 | 3♣x | ♣A | -2 |
| 45.0% | Round 12 | ENGLISH SENIORS | 5 | 6NT | ♠T | = |
| 40.0% | Round 15 | FAR | 15 | 4♠x | ♥K | -1 |
| 35.0% | Round 4 | TEAM BLACK | 10 | 5♦ | ♥K | = |
| 35.0% | Round 4 | TEAM BLACK | 11 | 5♥ | ♦4 | = |
| 35.0% | Round 6 | ISRAEL MIXED | 18 | 3NT | ♠2 | = |
| 35.0% | Round 7 | ANTIPODEAN PANDAS | 20 | 5♣ | ♣8 | -1 |
| 35.0% | Round 10 | TURKIYE WOMEN | 30 | 3♠ | ♣A | -2 |
| 35.0% | Round 14 | HAUGE | 10 | 3♦ | ♣Q | +1 |
| 30.0% | Round 11 | OVERDECK | 2 | 5♠ | ♦A | = |
| 25.0% | Round 2 | HOBAA | 5 | 1NT | ♠A | -2 |
| 25.0% | Round 4 | TEAM BLACK | 12 | 3NT | ♠K | -2 |
| 25.0% | Round 9 | DINKIN | 25 | 5♣ | ♥A | -1 |
| 25.0% | Round 11 | OVERDECK | 3 | 3♥ | ♦Q | -1 |
| 15.0% | Round 13 | REASON | 9 | 4♠ | ♦2 | -1 |
| 10.0% | Round 8 | HUNGARY MIXED | 23 | 3NT | ♥9 | -2 |
| 5.0% | Round 8 | HUNGARY MIXED | 24 | 3NT | ♦J | -2 |
| 5.0% | Round 10 | TURKIYE WOMEN | 28 | 4♠x | ♦A | -5 |
| 5.0% | Round 15 | FAR | 14 | 1NT | ♥2 | +3 |
| 0.0% | Round 12 | ENGLISH SENIORS | 4 | 4♠xx | ♠7 | -2 |