GROSSACK Zachary · RUBENSTEIN
59rank
+4.1net boards · 46 bds
54.5%board-a-match
±0.5swing
by round
Bidding activity — not a pass: 51.6% (64/124)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Net | BAM% |
|---|---|---|---|---|---|---|
| Round 2 | S.Rubenstein | W.Olanski – D.Kowalski | Open | 2 | -0.7 | 32.5% |
| Round 3 | S.Rubenstein | Y.Sliwowicz – O.Sabbah | Open | 2 | -0.7 | 32.5% |
| Round 4 | S.Rubenstein | S.Jedrzejewski – M.Smolen | Open | 2 | -0.1 | 47.5% |
| Round 5 | S.Rubenstein | L.To – T.Wan | Open | 2 | -0.4 | 40.0% |
| Round 6 | S.Rubenstein | N.Selway – K.Preddy | Open | 2 | +0.2 | 55.0% |
| Round 7 | S.Rubenstein | D.Bogucki – A.Twardowski | Open | 2 | +0.5 | 62.5% |
| Round 8 | S.Rubenstein | N.Vachtarcikova – M.Drozd | Open | 2 | +1.1 | 77.5% |
| Round 9 | A.Madala | S.Bilde – M.Bilde | Open | 2 | -0.4 | 40.0% |
| Round 10 | A.Madala | M.Klimiuk – L.Ciborowska | Open | 2 | +0.5 | 62.5% |
| Round 11 | A.Madala | J.Voldoire – B.Lorrain | Open | 2 | -1.0 | 25.0% |
| Round 12 | A.Madala | O.Karimi – D.Kroening | Open | 2 | +0.6 | 65.0% |
| Round 13 | A.Madala | A.Ordog – C.Teodorescu | Open | 2 | +0.3 | 57.5% |
| Round 14 | A.Madala | J.Kaczorowski – D.Sarzynski | Open | 2 | -0.2 | 45.0% |
| Round 15 | A.Madala | M.Andonov – R.Gunev | Open | 2 | +0.0 | 50.0% |
| Round 16 | A.Madala | A.Krysa – M.Sobczak | Open | 2 | +0.6 | 65.0% |
| Round 17 | S.Rubenstein | E.Rosthoej – J.Sigsgaard | Closed | 2 | +0.9 | 72.5% |
| Round 18 | S.Rubenstein | Y.Johansson – L.Hallqvist | Closed | 2 | -0.3 | 42.5% |
| Round 19 | S.Rubenstein | W.Gawel – R.Jagniewski | Closed | 2 | +0.1 | 52.5% |
| Round 20 | S.Rubenstein | R.Boeddeker – F.Zarkesch | Closed | 2 | +0.1 | 52.5% |
| Round 21 | S.Rubenstein | M.Jindra – S.Weinberger | Closed | 2 | +1.1 | 77.5% |
| Round 22 | S.Rubenstein | A.Sarniak – I.Chalupec | Closed | 2 | +1.3 | 82.5% |
| Round 23 | S.Rubenstein | H.Bletz – C.Ernst | Closed | 2 | -0.1 | 47.5% |
| Round 24 | S.Rubenstein | M.Blicharz – J.Michalski | Closed | 2 | +0.6 | 65.0% |
Every board — best board-a-match first↑ top
| BAM% | Round | Opponents | Bd | Contract | Lead | Res |
|---|---|---|---|---|---|---|
| 100.0% | Round 7 | DZIWISZOW JAZZ | 30 | 1NTxx | ♥9 | = |
| 96.9% | Round 17 | DEAD BIRDS CLUB | 17 | 6♠ | ♣A | -1 |
| 95.0% | Round 22 | ICENTIS BRIDGE CLUB | 27 | 3♠ | ♣J | = |
| 90.5% | Round 4 | GDANSK | 23 | 2♥ | ♥6 | = |
| 90.0% | Round 24 | POLAND U16 | 32 | 6♦ | ♠K | +1 |
| 85.0% | Round 8 | CZECHIA FANATIC | 32 | 5♥ | ♦K | = |
| 85.0% | Round 21 | SUIT YOURSELF | 25 | 3NT | ♠9 | +1 |
| 80.0% | Round 12 | BAMBI | 7 | 4♠ | ♣J | -1 |
| 80.0% | Round 13 | LEROUMAIN | 9 | 5♥x | ♠K | -1 |
| 80.0% | Round 16 | MAGMA | 15 | 4♠ | ♥8 | -1 |
| 80.0% | Round 23 | CZECHIA JAS | 30 | 6♦ | ♠2 | = |
| 75.4% | Round 18 | SJOQVIST | 20 | 3♥ | ♣2 | -1 |
| 75.0% | Round 10 | POLAND GIRLS | 4 | 3NT | ♥6 | -1 |
| 70.0% | Round 8 | CZECHIA FANATIC | 31 | 3♠ | ♣Q | -1 |
| 70.0% | Round 21 | SUIT YOURSELF | 26 | 3♠ | ♣K | = |
| 70.0% | Round 22 | ICENTIS BRIDGE CLUB | 28 | 3♥ | ♦K | -1 |
| 65.0% | Round 15 | BORTOLETTI | 13 | 3♦ | ♦6 | +1 |
| 61.1% | Round 19 | GROUP ONE TEAM | 21 | 3NT | ♣Q | = |
| 55.0% | Round 5 | BANANAS | 26 | 5♠ | ♣K | = |
| 55.0% | Round 6 | SELWAY | 27 | 4♥ | ♠Q | = |
| 55.0% | Round 6 | SELWAY | 28 | 3NT | ♥9 | +3 |
| 55.0% | Round 20 | BOHNANZAR | 23 | 4♠ | ♥2 | +1 |
| 50.0% | Round 9 | GUPTA | 1 | 3NT | ♠T | +1 |
| 50.0% | Round 10 | POLAND GIRLS | 3 | 5♠ | ♣A | -2 |
| 50.0% | Round 11 | BRIDGE MAGIQUE | 6 | 4♥ | ♦A | +1 |
| 50.0% | Round 12 | BAMBI | 8 | 3♠ | ♣K | +2 |
| 50.0% | Round 16 | MAGMA | 16 | 2♠ | ♥9 | +2 |
| 50.0% | Round 20 | BOHNANZAR | 24 | 4♠ | ♦7 | = |
| 49.2% | Round 2 | BRIDGESCANNER | 20 | 3NT | ♥4 | = |
| 49.2% | Round 17 | DEAD BIRDS CLUB | 18 | 3NT | ♥Q | +1 |
| 45.2% | Round 19 | GROUP ONE TEAM | 22 | 3♦ | ♥7 | = |
| 45.0% | Round 14 | DAJJ | 11 | 4♠ | ♥Q | +3 |
| 45.0% | Round 14 | DAJJ | 12 | 3NT | ♠T | +1 |
| 40.0% | Round 24 | POLAND U16 | 31 | 3NT | ♦6 | -2 |
| 36.5% | Round 3 | ISRAEL JUNIORS | 22 | 4♥ | ♦J | -1 |
| 35.0% | Round 13 | LEROUMAIN | 10 | 4♣ | ♠3 | = |
| 35.0% | Round 15 | BORTOLETTI | 14 | 4♦x | ♠A | -1 |
| 30.0% | Round 9 | GUPTA | 2 | 2NT | ♦K | = |
| 26.2% | Round 3 | ISRAEL JUNIORS | 21 | 4♥ | ♦8 | +3 |
| 25.0% | Round 5 | BANANAS | 25 | 3♠ | ♠4 | -1 |
| 25.0% | Round 7 | DZIWISZOW JAZZ | 29 | 6NT | ♦7 | +1 |
| 18.2% | Round 2 | BRIDGESCANNER | 19 | 3♥ | ♥A | -3 |
| 15.0% | Round 23 | CZECHIA JAS | 29 | 2♥ | ♣T | -2 |
| 11.1% | Round 18 | SJOQVIST | 19 | 6NT | ♠4 | -2 |
| 5.5% | Round 4 | GDANSK | 24 | 3NT | ♠4 | -2 |
| 0.0% | Round 11 | BRIDGE MAGIQUE | 5 | 7♠ | ♠2 | -1 |