🇦🇺 SIEREDZINSKI Matthew · AUSTRALIA U26
91rank
+0.0net boards · 48 bds
50.0%board-a-match
±0.5swing
by round
Bidding activity — not a pass: 37.7% (49/130)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Net | BAM% |
|---|---|---|---|---|---|---|
| Round 1 | H.Watkins | O.Selby – A.Cope | Closed | 2 | -1.3 | 17.5% |
| Round 2 | H.Watkins | L.Ceglia – H.Martins Fortes | Closed | 2 | +0.5 | 62.5% |
| Round 3 | H.Watkins | Q.Chen – C.Havens | Closed | 2 | +0.1 | 52.5% |
| Round 4 | H.Watkins | A.Teixeira – B.Velickovic | Closed | 2 | -1.0 | 25.0% |
| Round 5 | H.Watkins | R.Toom – R.Zvorovski | Closed | 2 | -0.5 | 37.5% |
| Round 6 | H.Watkins | V.Patel – R.Jahagirdar | Closed | 2 | -1.0 | 25.0% |
| Round 7 | H.Watkins | C.Welland – J.Lieberman | Closed | 2 | +0.2 | 55.0% |
| Round 8 | H.Watkins | W.Yeung – Y.Tse | Closed | 2 | +0.7 | 67.5% |
| Round 9 | H.Watkins | L.Kearney – D.Coley | Closed | 2 | -1.1 | 22.5% |
| Round 10 | H.Watkins | R.Brocken – M.Brocken | Closed | 2 | +1.1 | 77.5% |
| Round 11 | H.Watkins | D.Salaverri Bottaro – B.Ochoa | Closed | 2 | -0.3 | 42.5% |
| Round 12 | H.Watkins | S.Semberoiz – F.Guerra | Closed | 2 | +0.0 | 50.0% |
| Round 13 | H.Watkins | P.Promjan – S.Kocharoen | Closed | 2 | -0.1 | 47.5% |
| Round 14 | H.Watkins | C.Zhao – J.Bakhshi | Open | 2 | +1.1 | 77.5% |
| Round 15 | H.Watkins | A.Rolf-Larsen – V.Kolding | Open | 2 | +0.1 | 52.5% |
| Round 16 | H.Watkins | T.Chowdhury – M.Prakash | Open | 2 | -0.0 | 50.0% |
| Round 17 | H.Watkins | C.Ben Guigui – E.Bonin | Open | 2 | -0.5 | 37.5% |
| Round 18 | H.Watkins | F.Nacrur – P.Cazabon | Open | 2 | -1.0 | 25.0% |
| Round 19 | H.Watkins | A.Bukat – K.Kuflowski | Open | 2 | +1.9 | 97.5% |
| Round 20 | H.Watkins | C.Daldal – L.Bednarski | Open | 2 | +0.4 | 60.0% |
| Round 21 | H.Watkins | H.Tsai – J.Shen | Open | 2 | +0.4 | 60.0% |
| Round 22 | H.Watkins | P.Skordas – I.Pollatou | Open | 2 | +1.1 | 77.5% |
| Round 23 | H.Watkins | J.Ong – H.Koh | Open | 2 | -0.3 | 42.5% |
| Round 24 | H.Watkins | S.Wijayanto – M.Satriawan | Open | 2 | -0.7 | 32.5% |
Every board — best board-a-match first↑ top
| BAM% | Round | Opponents | Bd | Contract | Lead | Res |
|---|---|---|---|---|---|---|
| 100.0% | Round 19 | 🇵🇱 POLAND U21 | 6 | 3NT | ♥7 | -3 |
| 95.3% | Round 19 | 🇵🇱 POLAND U21 | 5 | 3NT | ♥K | -4 |
| 90.7% | Round 10 | 🇳🇱 NETHERLANDS U21 | 19 | 3♥x | ♦7 | -2 |
| 88.3% | Round 13 | 🇹🇭 THAILAND U26 | 25 | 1NT | ♣3 | +1 |
| 86.1% | Round 22 | 🇬🇷 GREECE | 11 | 4♥ | ♣6 | = |
| 83.7% | Round 14 | 🇺🇸 USA2U26W | 27 | 3♦ | ♠J | +3 |
| 83.7% | Round 20 | PARTNERS IN CRIME | 7 | 4♠ | ♦Q | = |
| 83.7% | Round 21 | 🇹🇼 CHINESE TAIPEI U21 | 10 | 3NT | ♥3 | +1 |
| 79.0% | Round 8 | HKG CHINA U26W | 16 | 4♠ | ♦K | -1 |
| 74.4% | Round 7 | U31 USA2 | 13 | 4♠ | ♦A | = |
| 73.2% | Round 12 | 🇦🇷 ARGENTINA U31 | 23 | 4♠ | ♦T | -1 |
| 72.1% | Round 14 | 🇺🇸 USA2U26W | 28 | 1NT | ♥K | -2 |
| 71.0% | Round 3 | 🇨🇦 CANADA | 5 | 2NT | ♠8 | = |
| 69.8% | Round 17 | 🇫🇷 FRANCE U21 | 1 | 3♠ | ♦3 | = |
| 69.8% | Round 23 | BANANA | 13 | 2♠ | ♥Q | = |
| 68.6% | Round 22 | 🇬🇷 GREECE | 12 | 5♥ | ♦8 | -1 |
| 66.3% | Round 10 | 🇳🇱 NETHERLANDS U21 | 20 | 3♦ | ♠A | +2 |
| 66.3% | Round 16 | 🇮🇳 INDIA 1 | 32 | 3NT | ♦6 | +1 |
| 65.1% | Round 2 | PE NA AREIA | 4 | 1NT | ♦3 | -1 |
| 61.7% | Round 15 | 🇩🇰 DENMARK U26 | 30 | 4♥ | ♠J | = |
| 59.3% | Round 11 | 🇺🇾 URUGUAY | 22 | 2♥ | ♣K | -2 |
| 58.1% | Round 2 | PE NA AREIA | 3 | 5♦ | ♠T | = |
| 57.0% | Round 8 | HKG CHINA U26W | 15 | 1NT | ♥3 | -1 |
| 53.5% | Round 5 | 🇪🇪 ESTONIA U31 | 10 | 4♥ | ♦Q | +3 |
| 47.6% | Round 24 | METAFORSA | 16 | 2♠ | ♣9 | +1 |
| 44.2% | Round 9 | WE SHALL NOT PASS | 18 | 2♥ | ♠5 | -1 |
| 44.2% | Round 15 | 🇩🇰 DENMARK U26 | 29 | 2♠ | ♣7 | = |
| 40.7% | Round 18 | 🇨🇱 CHILE PAL CAPPUCCINO | 3 | 6♥ | ♠5 | +1 |
| 36.0% | Round 3 | 🇨🇦 CANADA | 6 | 3♠ | ♣6 | -2 |
| 36.0% | Round 6 | 🇮🇳 INDIA 2 | 12 | 4♥ | ♣A | = |
| 36.0% | Round 21 | 🇹🇼 CHINESE TAIPEI U21 | 9 | 4♠ | ♦Q | = |
| 34.9% | Round 4 | PROVISIONAL | 8 | 3NT | ♦6 | = |
| 34.9% | Round 7 | U31 USA2 | 14 | 5♦ | ♥K | +2 |
| 34.9% | Round 20 | PARTNERS IN CRIME | 8 | 3NT | ♣4 | +1 |
| 32.6% | Round 16 | 🇮🇳 INDIA 1 | 31 | 3NT | ♠J | -1 |
| 29.0% | Round 12 | 🇦🇷 ARGENTINA U31 | 24 | 4♥ | ♠5 | +2 |
| 24.4% | Round 1 | 🏴 ENGLAND LIONS | 2 | 5♠ | ♦J | = |
| 24.4% | Round 11 | 🇺🇾 URUGUAY | 21 | 4♠ | ♣K | -1 |
| 19.8% | Round 5 | 🇪🇪 ESTONIA U31 | 9 | 2♥ | ♦K | +1 |
| 19.8% | Round 24 | METAFORSA | 15 | 2NT | ♠6 | -2 |
| 17.4% | Round 4 | PROVISIONAL | 7 | 5♥ | ♣5 | +1 |
| 16.3% | Round 6 | 🇮🇳 INDIA 2 | 11 | 1NT | ♠5 | -4 |
| 14.0% | Round 23 | BANANA | 14 | 3♠ | ♥2 | = |
| 11.6% | Round 1 | 🏴 ENGLAND LIONS | 1 | 2♦ | ♥T | = |
| 10.4% | Round 18 | 🇨🇱 CHILE PAL CAPPUCCINO | 4 | 4♦ | ♥8 | -1 |
| 7.0% | Round 13 | 🇹🇭 THAILAND U26 | 26 | 2♣ | ♥A | -2 |
| 4.6% | Round 17 | 🇫🇷 FRANCE U21 | 2 | 3♠x | ♣9 | -3 |
| 2.4% | Round 9 | WE SHALL NOT PASS | 17 | 4♦x | ♥2 | = |