CHODOROWSKI Jan · BUNIO
103rank
+6.5Butler · 112 bds
+0.06per board
±4.5swing
+0.63vs par /bd · #52/221
-0.17adjusted /bd
by round
vs par split: bidding +0.61 · play +0.11
Strength of schedule: opponents averaged -0.23/bd (an easy draw) → opponent-adjusted -0.17/bd
Card play — on target: opening leads 75.7% #188 of 221 · declarer play 78.3% #80 of 221 · defence 88.1% #41 of 221
Bidding activity — not a pass: 34.0% #198 of 221 (102/300)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 70.6% (17) | 80.0% (20) |
| Declarer play | 66.7% (6) | 82.4% (17) |
| Defence | 77.8% (27) | 95.0% (40) |
Opening leads by suit led: ♠ 83.3% (12) · ♥ 75.0% (8) · ♦ 85.7% (7) · ♣ 60.0% (10)
vs par by strain: NT +0.34 (38) · a suit +0.92 (73)
vs par by level: part-score +0.78 (41) · game +1.03 (64) · slam -3.00 (6)
By role: declaring -0.44/bd (-2.77 vs par · 44) · defending +0.44/bd (+3.02 vs par · 67)
By vulnerability: vulnerable -0.37/bd (-0.73 vs par · 56) · not vulnerable +0.48/bd (+2.00 vs par · 56)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | I.Chodorowska | O.Herbst – A.Asulin | Open | 14 | -9.6 | -0.69 | -2.21 |
| Round 2 | I.Chodorowska | T.Rees – S.Punch | Closed | 14 | -9.6 | -0.69 | -2.36 |
| Round 3 | I.Chodorowska | O.Hegedus – S.Weinberger | Open | 14 | +48.8 | +3.49 | +6.29 |
| Round 4 | I.Chodorowska | T.Wozniak – M.Sautaux | Closed | 14 | +2.8 | +0.20 | +3.43 |
| Round 5 | I.Chodorowska | A.Klups – A.Foltyn | Closed | 14 | +33.4 | +2.39 | +3.86 |
| Round 6 | I.Chodorowska | J.Duursma – M.Schaltz | Closed | 14 | -34.5 | -2.46 | -1.21 |
| Round 7 | I.Chodorowska | I.Liran – J.Bekker | Open | 14 | -35.6 | -2.54 | -3.86 |
| Round 8 | I.Chodorowska | S.Brock – J.Gray | Closed | 14 | +10.8 | +0.77 | +1.14 |
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 |
|---|---|---|---|---|---|---|---|
| +13.5 | Round 3 | NAMBAJUAN | 4 | 2♦x | ♣J | -4 | +14 |
| +11.8 | Round 3 | NAMBAJUAN | 7 | 6NTx | ♦9 | -1 | +13 |
| +11.8 | Round 5 | REBID | 5 | 3NT | ♠9 | -1 | +12 |
| +7.7 | Round 3 | NAMBAJUAN | 10 | 3NT | ♦6 | -1 | +15 |
| +7.7 | Round 8 | SALLYS ACES | 23 | 4♠x | ♥K | = | +7 |
| +7.4 | Round 4 | AKINOM | 21 | 4♥ | ♦Q | -1 | +12 |
| +7.4 | Round 5 | REBID | 8 | 4♠x | ♥4 | = | +7 |
| +6.8 | Round 2 | GOLD BARS | 16 | 3NT | ♠4 | +2 | +1 |
| +6.3 | Round 8 | SALLYS ACES | 26 | 3♣ | ♥Q | +2 | +10 |
| +6.2 | Round 3 | NAMBAJUAN | 6 | 2♠x | ♠K | -2 | +5 |
| +6.1 | Round 1 | LAKO | 7 | 7♥ | ♣K | = | +0 |
| +5.8 | Round 2 | GOLD BARS | 21 | 3NT | ♦4 | -2 | +3 |
| +5.7 | Round 3 | NAMBAJUAN | 8 | 3♣ | ♣4 | -1 | +9 |
| +5.5 | Round 3 | NAMBAJUAN | 1 | 5♦ | ♣2 | +1 | +11 |
| +5.0 | Round 7 | BEKKER | 11 | 3NT | ♦Q | -2 | +5 |
| +4.7 | Round 5 | REBID | 14 | 3NT | ♥2 | -1 | +10 |
| +4.4 | Round 2 | GOLD BARS | 19 | 3♦ | ♠Q | +1 | +0 |
| +4.4 | Round 3 | NAMBAJUAN | 3 | 4♠ | ♥A | -1 | +5 |
| +4.2 | Round 8 | SALLYS ACES | 15 | 3NT | ♥K | +1 | +0 |
| +3.7 | Round 8 | SALLYS ACES | 17 | 4♥ | ♣5 | -1 | +11 |
| +3.6 | Round 6 | ASHE | 17 | 4♠ | ♥7 | +1 | +8 |
| +3.5 | Round 2 | GOLD BARS | 17 | 3NT | ♥4 | +3 | -10 |
| +3.5 | Round 6 | ASHE | 24 | 4♠ | ♦8 | = | +8 |
| +3.4 | Round 5 | REBID | 1 | 4♠ | ♣Q | +2 | +11 |
| +3.2 | Round 1 | LAKO | 1 | 4♠x | ♠A | -1 | +6 |
| +3.1 | Round 3 | NAMBAJUAN | 12 | 3NT | ♠7 | -2 | +2 |
| +3.0 | Round 4 | AKINOM | 15 | 4♥ | ♠7 | +1 | +6 |
| +2.7 | Round 4 | AKINOM | 23 | 2♥ | ♦8 | -1 | +5 |
| +2.6 | Round 5 | REBID | 11 | 1♠ | ♥2 | -1 | +8 |
| +2.2 | Round 5 | REBID | 3 | 4♠ | ♥6 | +1 | +0 |
| +1.8 | Round 5 | REBID | 7 | 1NT | ♥T | = | +1 |
| +1.6 | Round 8 | SALLYS ACES | 27 | 1NT | ♠2 | +1 | +1 |
| +1.5 | Round 2 | GOLD BARS | 24 | 2♥ | ♥K | -2 | +0 |
| +1.5 | Round 4 | AKINOM | 22 | 1NT | ♣4 | +2 | +7 |
| +1.5 | Round 5 | REBID | 2 | 3NT | ♠3 | = | -1 |
| +1.5 | Round 8 | SALLYS ACES | 21 | 3NT | ♥4 | +2 | +1 |
| +1.4 | Round 1 | LAKO | 10 | 1♥ | ♣Q | +1 | +1 |
| +1.3 | Round 6 | ASHE | 16 | 3♥ | ♠J | -2 | -1 |
| +1.2 | Round 4 | AKINOM | 25 | 1NT | ♣5 | = | +2 |
| +0.9 | Round 1 | LAKO | 8 | 4♠ | ♣Q | = | -1 |
| +0.7 | Round 4 | AKINOM | 19 | 2♥ | ♦A | +1 | +7 |
| +0.7 | Round 7 | BEKKER | 2 | 3NT | ♣4 | +4 | -14 |
| +0.6 | Round 6 | ASHE | 23 | 4♥ | ♠A | = | +0 |
| +0.5 | Round 7 | BEKKER | 8 | 3NT | ♠7 | = | -11 |
| +0.4 | Round 8 | SALLYS ACES | 18 | 4♥ | ♣A | +3 | +9 |
| +0.3 | Round 1 | LAKO | 4 | 2♠ | ♣5 | = | +0 |
| +0.3 | Round 2 | GOLD BARS | 28 | 4♠ | ♥6 | +1 | +13 |
| +0.2 | Round 3 | NAMBAJUAN | 11 | 2♥ | ♦3 | -2 | -1 |
| +0.2 | Round 4 | AKINOM | 16 | 4♠ | ♣8 | +1 | +0 |
| +0.2 | Round 5 | REBID | 10 | 1NT | ♠9 | +2 | -10 |
| +0.1 | Round 2 | GOLD BARS | 25 | 4♥ | ♠3 | +1 | +0 |
| +0.1 | Round 3 | NAMBAJUAN | 2 | 4♠ | ♠J | +2 | +12 |
| +0.1 | Round 7 | BEKKER | 1 | 4♣ | ♠A | -3 | -6 |
| -0.0 | Round 1 | LAKO | 14 | 1NT | ♣K | +1 | +7 |
| +0.0 | Round 4 | AKINOM | 27 | 3NT | ♣9 | +2 | +11 |
| -0.1 | Round 5 | REBID | 9 | 3♣ | ♠J | +1 | +7 |
| -0.1 | Round 5 | REBID | 12 | 2♣ | ♦A | -3 | +10 |
| -0.2 | Round 1 | LAKO | 9 | 3NT | ♥K | +1 | -8 |
| -0.2 | Round 7 | BEKKER | 4 | 3NT | ♣A | -1 | +5 |
| -0.3 | Round 2 | GOLD BARS | 27 | 3♠ | ♦J | -1 | +5 |
| -0.3 | Round 6 | ASHE | 22 | 4♠ | ♣4 | +1 | +0 |
| -0.3 | Round 8 | SALLYS ACES | 20 | 4♠ | ♠J | -1 | -7 |
| -0.4 | Round 1 | LAKO | 11 | 1NT | ♣K | +1 | +0 |
| -0.4 | Round 5 | REBID | 13 | 4♥ | ♠6 | = | +0 |
| -0.6 | Round 5 | REBID | 6 | 4♠ | ♦J | +1 | +0 |
| -0.6 | Round 6 | ASHE | 27 | 4♥ | ♦3 | +1 | +0 |
| -0.6 | Round 7 | BEKKER | 6 | 4♥ | ♠5 | -1 | +5 |
| -0.6 | Round 7 | BEKKER | 14 | 4♥ | ♠9 | = | +1 |
| -1.0 | Round 4 | AKINOM | 20 | 4♥ | ♠9 | +1 | +0 |
| -1.0 | Round 4 | AKINOM | 24 | 4♠ | ♣Q | = | +1 |
| -1.0 | Round 5 | REBID | 4 | 3NT | ♥5 | +2 | -1 |
| -1.0 | Round 7 | BEKKER | 12 | 1NT | ♠J | +3 | +10 |
| -1.0 | Round 8 | SALLYS ACES | 24 | 3NT | ♠4 | +1 | -1 |
| -1.2 | Round 4 | AKINOM | 28 | 2♣ | ♣4 | = | +0 |
| -1.3 | Round 1 | LAKO | 5 | 3♦ | ♥9 | = | +5 |
| -1.3 | Round 3 | NAMBAJUAN | 5 | 3NT | ♦K | = | +1 |
| -1.5 | Round 2 | GOLD BARS | 18 | 3♣ | ♥T | +1 | -7 |
| -1.5 | Round 4 | AKINOM | 26 | 4♠ | ♦J | +1 | +0 |
| -1.5 | Round 6 | ASHE | 25 | 6♥ | ♦J | = | +0 |
| -1.6 | Round 3 | NAMBAJUAN | 13 | 3♦ | ♠A | -2 | -2 |
| -1.6 | Round 8 | SALLYS ACES | 28 | 4♠ | ♥6 | = | -3 |
| -1.8 | Round 8 | SALLYS ACES | 19 | 3NT | ♠J | +2 | +11 |
| -2.1 | Round 4 | AKINOM | 18 | 3♥ | ♠J | = | -1 |
| -2.1 | Round 8 | SALLYS ACES | 16 | 3NT | ♠T | = | -5 |
| -2.3 | Round 3 | NAMBAJUAN | 9 | 3NT | ♦Q | = | +1 |
| -2.6 | Round 6 | ASHE | 20 | 3♥ | ♠9 | = | +0 |
| -2.8 | Round 2 | GOLD BARS | 15 | 2♥ | ♣A | -1 | -4 |
| -2.8 | Round 7 | BEKKER | 13 | 1NT | ♠6 | = | -5 |
| -3.0 | Round 1 | LAKO | 13 | 3NT | ♠Q | -1 | -12 |
| -3.1 | Round 2 | GOLD BARS | 26 | 3♥ | ♠A | -2 | -7 |
| -3.1 | Round 7 | BEKKER | 9 | 3♠ | ♥J | +1 | -1 |
| -3.4 | Round 1 | LAKO | 6 | 3♦ | ♦4 | -1 | -5 |
| -3.6 | Round 6 | ASHE | 15 | Pass | -9 | ||
| -3.6 | Round 7 | BEKKER | 3 | 3NT | ♥5 | = | -7 |
| -3.7 | Round 8 | SALLYS ACES | 22 | 3NT | ♠3 | -3 | -9 |
| -4.1 | Round 8 | SALLYS ACES | 25 | 2♠ | ♣J | = | -9 |
| -4.2 | Round 3 | NAMBAJUAN | 14 | 3♦x | ♦A | -2 | +3 |
| -4.4 | Round 1 | LAKO | 2 | 4♠ | ♦3 | -1 | -5 |
| -4.4 | Round 1 | LAKO | 3 | 4♥ | ♣6 | -1 | -12 |
| -4.4 | Round 1 | LAKO | 12 | 1♥x | ♦2 | = | -7 |
| -4.5 | Round 2 | GOLD BARS | 23 | 3♥ | ♠5 | +1 | -10 |
| -5.4 | Round 6 | ASHE | 18 | 3NT | ♣9 | +1 | +0 |
| -5.8 | Round 2 | GOLD BARS | 20 | 6♣ | ♠A | = | +0 |
| -6.0 | Round 6 | ASHE | 21 | 4♠ | ♣9 | = | -11 |
| -6.7 | Round 6 | ASHE | 19 | 5♣x | ♠A | = | -4 |
| -7.1 | Round 4 | AKINOM | 17 | 4♠x | ♥K | -3 | -2 |
| -8.1 | Round 7 | BEKKER | 7 | 1♥ | ♣T | +4 | -9 |
| -8.2 | Round 6 | ASHE | 28 | 3NT | ♠3 | = | +1 |
| -8.6 | Round 6 | ASHE | 26 | 4♠x | ♣K | -2 | -9 |
| -9.2 | Round 7 | BEKKER | 5 | 6♦ | ♥Q | -1 | -14 |
| -12.7 | Round 7 | BEKKER | 10 | 3NTx | ♥Q | +1 | -13 |
| -14.0 | Round 2 | GOLD BARS | 22 | 7♠ | ♣J | -1 | -17 |