BIZON Piotr · MARKOWICZ
3rank
+69.3Butler · 90 bds
+0.77per board
±3.7swing
+0.20vs par /bd · #57/148
+0.96adjusted /bd
by round
vs par split: bidding -0.21 · play +0.41
Strength of schedule: opponents averaged +0.19/bd (a tough draw) → opponent-adjusted +0.96/bd
Card play — on target: opening leads 92.3% #7 of 148 · declarer play 81.0% #40 of 148 · defence 89.1% #39 of 148
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 81.8% (11) | 100.0% (15) |
| Declarer play | 83.3% (6) | 80.0% (15) |
| Defence | 78.9% (19) | 96.3% (27) |
Opening leads by suit led: ♠ 75.0% (8) · ♥ 100.0% (9) · ♦ 100.0% (5) · ♣ 100.0% (4)
vs par by strain: NT +1.44 (32) · a suit -0.48 (58)
vs par by level: part-score -0.72 (36) · game +1.00 (47) · slam -0.43 (7)
By role: declaring +0.47/bd (-2.16 vs par · 44) · defending +1.06/bd (+2.46 vs par · 46)
By vulnerability: vulnerable +0.93/bd (+0.73 vs par · 44) · not vulnerable +0.62/bd (-0.30 vs par · 46)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | M.Szymanowski | R.Ling – P.Ling | Open | 10 | +30.4 | +3.04 | +0.30 |
| Round 2 | M.Szymanowski | D.Casen – J.Krekorian | Open | 10 | +12.4 | +1.24 | -0.30 |
| Round 4 | M.Szymanowski | D.Simson – J.Aker | Open | 10 | -12.3 | -1.23 | -1.40 |
| Round 5 | M.Szymanowski | M.Passell – M.Jacobus | Open | 10 | -0.7 | -0.07 | +1.90 |
| Round 6 | M.Szymanowski | P.Cronier – P.Marill | Closed | 10 | +17.9 | +1.79 | +0.00 |
| Round 7 | M.Szymanowski | A.Kowalski – J.Romanski | Closed | 10 | -2.1 | -0.21 | -3.10 |
| Round 8 | M.Szymanowski | T.Brown – P.Buchen | Closed | 10 | +6.0 | +0.60 | +0.30 |
| Round 9 | M.Szymanowski | J.Shih – P.Huang | Open | 10 | -6.5 | -0.65 | +0.60 |
| Round 10 | M.Szymanowski | J.Carruthers – M.Roche | Closed | 10 | +24.2 | +2.42 | +3.50 |
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 |
|---|---|---|---|---|---|---|---|
| +11.3 | Round 6 | MARILL | 8 | 6♣ | ♥A | = | -11 |
| +10.2 | Round 10 | CANADA SENIORS | 20 | 6♣ | ♠A | -1 | +13 |
| +9.8 | Round 1 | MASTERMIND | 7 | 4♥ | ♠4 | = | +10 |
| +8.0 | Round 6 | MARILL | 2 | 4♥ | ♣4 | -1 | +11 |
| +7.3 | Round 6 | MARILL | 5 | 3NT | ♠8 | -1 | +5 |
| +7.3 | Round 7 | VYTAS | 17 | 6♣ | ♥8 | +1 | -11 |
| +6.5 | Round 8 | GRIZZLY KOALAS | 30 | 3NT | ♦7 | -2 | +11 |
| +6.3 | Round 2 | KASLE | 14 | 4♠ | ♦7 | -1 | -2 |
| +6.1 | Round 1 | MASTERMIND | 5 | 4♠x | ♠A | -2 | +5 |
| +5.0 | Round 5 | LEWIS | 26 | 2NT | ♥10 | +2 | +9 |
| +4.8 | Round 5 | LEWIS | 27 | 3NT | ♦5 | -2 | +11 |
| +4.8 | Round 10 | CANADA SENIORS | 15 | 4♥ | ♣8 | -1 | -2 |
| +4.7 | Round 10 | CANADA SENIORS | 19 | 3NT | ♠9 | +1 | +7 |
| +4.3 | Round 1 | MASTERMIND | 2 | 4♠x | ♠5 | -3 | +0 |
| +4.3 | Round 7 | VYTAS | 18 | 3NT | ♦K | +2 | +0 |
| +4.2 | Round 2 | KASLE | 19 | 4♥ | ♦A | = | +0 |
| +3.9 | Round 10 | CANADA SENIORS | 13 | 4NT | ♥J | +2 | +17 |
| +3.9 | Round 10 | CANADA SENIORS | 16 | 3NT | ♠5 | -1 | +6 |
| +3.3 | Round 2 | KASLE | 11 | 2NT | ♥3 | = | +0 |
| +3.3 | Round 6 | MARILL | 6 | 2♠ | ♠4 | -2 | +2 |
| +3.2 | Round 1 | MASTERMIND | 4 | 4♥ | ♣K | -2 | -9 |
| +2.9 | Round 1 | MASTERMIND | 1 | 3♥ | ♠4 | -3 | +6 |
| +2.6 | Round 1 | MASTERMIND | 8 | 1NT | ♥K | +1 | +1 |
| +2.4 | Round 4 | SIMSON | 14 | 3NT | ♦8 | -1 | +5 |
| +2.4 | Round 8 | GRIZZLY KOALAS | 27 | 2♥ | ♦8 | = | +0 |
| +2.3 | Round 9 | YBS | 1 | 3NT | ♥J | -1 | +10 |
| +2.2 | Round 7 | VYTAS | 15 | 3♠ | ♣10 | -1 | +5 |
| +2.0 | Round 2 | KASLE | 15 | 4♥ | ♦6 | +2 | +2 |
| +2.0 | Round 4 | SIMSON | 16 | 5♠x | ♥2 | -3 | +7 |
| +1.8 | Round 5 | LEWIS | 30 | 2NT | ♠8 | -1 | +4 |
| +1.7 | Round 1 | MASTERMIND | 3 | 1NT | ♦K | +1 | -1 |
| +1.7 | Round 8 | GRIZZLY KOALAS | 29 | 3♣ | ♥J | -1 | +5 |
| +1.6 | Round 1 | MASTERMIND | 6 | 2♠ | ♣A | +1 | +1 |
| +1.5 | Round 2 | KASLE | 20 | 1NT | ♦3 | -1 | +1 |
| +1.4 | Round 2 | KASLE | 17 | 2♥ | ♣J | = | +0 |
| +1.4 | Round 10 | CANADA SENIORS | 18 | 1NT | ♦9 | -2 | +0 |
| +1.3 | Round 2 | KASLE | 18 | 5♣ | ♥A | = | +2 |
| +1.2 | Round 6 | MARILL | 4 | 4♥ | ♣A | = | +3 |
| +1.2 | Round 7 | VYTAS | 13 | 2♠ | ♥K | -1 | +0 |
| +1.0 | Round 2 | KASLE | 13 | 6♠ | ♣10 | = | +8 |
| +0.7 | Round 8 | GRIZZLY KOALAS | 22 | 2♠ | ♥6 | = | -7 |
| +0.6 | Round 8 | GRIZZLY KOALAS | 21 | 3NT | ♥A | = | +0 |
| +0.6 | Round 9 | YBS | 2 | 4♠ | ♦K | -1 | +5 |
| +0.4 | Round 9 | YBS | 9 | 4♠ | ♣3 | +1 | +1 |
| +0.3 | Round 4 | SIMSON | 12 | 6♦ | ♠3 | = | -2 |
| +0.3 | Round 5 | LEWIS | 25 | 3NT | ♥10 | +2 | +0 |
| +0.2 | Round 10 | CANADA SENIORS | 12 | 2♠ | ♦5 | = | +1 |
| +0.2 | Round 10 | CANADA SENIORS | 17 | 2♥ | ♣J | = | -1 |
| +0.1 | Round 2 | KASLE | 12 | 2♣ | ♦A | +2 | +0 |
| +0.1 | Round 5 | LEWIS | 29 | 5♦ | ♣3 | = | -1 |
| +0.1 | Round 6 | MARILL | 7 | 4♥ | ♠A | +1 | +0 |
| +0.1 | Round 9 | YBS | 6 | 2♥ | ♣7 | +1 | +0 |
| +0.0 | Round 9 | YBS | 4 | 4♥ | ♣A | +1 | +0 |
| +0.0 | Round 9 | YBS | 7 | 3♥ | ♠A | -1 | +11 |
| -0.1 | Round 5 | LEWIS | 28 | 3♥ | ♣J | -1 | -2 |
| -0.1 | Round 7 | VYTAS | 12 | 3♦ | ♥3 | +1 | -7 |
| -0.2 | Round 7 | VYTAS | 11 | 4♥ | ♣K | +2 | +11 |
| -0.4 | Round 8 | GRIZZLY KOALAS | 23 | 3NT | ♠A | +1 | +0 |
| -0.4 | Round 8 | GRIZZLY KOALAS | 26 | 2♥ | ♦Q | = | +1 |
| -0.5 | Round 1 | MASTERMIND | 10 | 3NT | ♥7 | -1 | -6 |
| -0.5 | Round 6 | MARILL | 9 | 2NT | ♣5 | -2 | -5 |
| -0.8 | Round 9 | YBS | 8 | 4♠ | ♥Q | = | +0 |
| -0.9 | Round 8 | GRIZZLY KOALAS | 28 | 1NT | ♥K | +1 | +0 |
| -1.0 | Round 4 | SIMSON | 20 | 3NT | ♥4 | +1 | -13 |
| -1.0 | Round 6 | MARILL | 10 | 2♠ | ♥6 | +1 | +0 |
| -1.1 | Round 4 | SIMSON | 15 | 5♣ | ♥K | = | +2 |
| -1.1 | Round 4 | SIMSON | 19 | 2♥ | ♠10 | -1 | +0 |
| -1.3 | Round 1 | MASTERMIND | 9 | 2♥ | ♣9 | -1 | -4 |
| -1.5 | Round 5 | LEWIS | 24 | 6NT | ♣A | = | +0 |
| -1.8 | Round 9 | YBS | 5 | 3NT | ♥10 | -1 | -5 |
| -1.9 | Round 8 | GRIZZLY KOALAS | 24 | 4♥ | ♠K | +1 | +0 |
| -1.9 | Round 9 | YBS | 3 | 1NT | ♣7 | -1 | -4 |
| -2.0 | Round 10 | CANADA SENIORS | 11 | 3♠ | ♦A | -1 | -5 |
| -2.1 | Round 5 | LEWIS | 21 | 3NT | ♣2 | +1 | -1 |
| -2.3 | Round 8 | GRIZZLY KOALAS | 25 | 3♠ | ♦A | = | -7 |
| -2.4 | Round 5 | LEWIS | 23 | 5♦x | ♣K | -1 | -2 |
| -2.9 | Round 4 | SIMSON | 17 | 4♥ | ♣A | +1 | +0 |
| -3.0 | Round 7 | VYTAS | 16 | 3♠ | ♦A | -1 | -6 |
| -3.1 | Round 4 | SIMSON | 13 | 3NT | ♣9 | +2 | +0 |
| -3.1 | Round 10 | CANADA SENIORS | 14 | 3NT | ♠K | +2 | -1 |
| -3.6 | Round 4 | SIMSON | 11 | 2♠ | ♦K | -3 | -7 |
| -3.9 | Round 7 | VYTAS | 19 | 3♥ | ♣6 | -1 | -12 |
| -3.9 | Round 7 | VYTAS | 20 | 4♠ | ♥J | +1 | +0 |
| -4.0 | Round 6 | MARILL | 1 | 3♦ | ♦Q | -2 | -5 |
| -4.2 | Round 4 | SIMSON | 18 | 3NT | ♥2 | -1 | -6 |
| -5.4 | Round 9 | YBS | 10 | 4♠ | ♣3 | -1 | -12 |
| -6.0 | Round 7 | VYTAS | 14 | 4♠ | ♠2 | = | -11 |
| -6.6 | Round 5 | LEWIS | 22 | 3NT | ♦10 | +1 | +1 |
| -7.8 | Round 6 | MARILL | 3 | 6NT | ♠K | = | +0 |
| -8.7 | Round 2 | KASLE | 16 | 4♠ | ♥Q | +3 | -14 |