RETTER Koren · BRIDGECHAMP
13rank
+96.2Butler · 100 bds
+0.96per board
±4.8swing
+1.85vs par /bd · #5/132
+1.21adjusted /bd
by round
vs par split: bidding +0.72 · play +1.13
Strength of schedule: opponents averaged +0.25/bd (a tough draw) → opponent-adjusted +1.21/bd
Card play — on target: opening leads 89.5% #23 of 132 · declarer play 72.0% #60 of 132 · defence 91.7% #17 of 132
Bidding activity — not a pass: 41.4% #87 of 132 (109/263)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 60.0% (5) | 100.0% (14) |
| Declarer play | 57.1% (7) | 77.8% (18) |
| Defence | 86.7% (15) | 93.9% (33) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 80.0% (5) · ♦ 100.0% (4) · ♣ 87.5% (8)
vs par by strain: NT +0.96 (26) · a suit +2.16 (74)
vs par by level: part-score +1.98 (40) · game +1.67 (55) · slam +2.80 (5)
By role: declaring +0.43/bd (-1.11 vs par · 52) · defending +1.54/bd (+5.06 vs par · 48)
By vulnerability: vulnerable +1.70/bd (+3.14 vs par · 51) · not vulnerable +0.19/bd (+0.51 vs par · 49)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | L.Petelko | Y.Yang – B.Zhang | Open | 10 | +25.2 | +2.52 | +3.20 |
| Round 2 | L.Petelko | H.Rose – T.Furness | Closed | 10 | +1.8 | +0.18 | -1.30 |
| Round 3 | L.Petelko | M.Smolen – S.Grabala | Closed | 10 | +26.7 | +2.67 | +1.30 |
| Round 4 | L.Petelko | C.Ip – C.Mak | Open | 10 | +9.7 | +0.97 | +3.20 |
| Round 5 | L.Petelko | W.Okrzesik – K.Kuflowski | Closed | 10 | -3.1 | -0.31 | -0.90 |
| Round 6 | L.Petelko | A.Tylvad – N.Hammelev | Open | 10 | +25.2 | +2.52 | +6.80 |
| Round 7 | L.Petelko | Z.Yuan – X.Tang | Closed | 10 | +10.8 | +1.08 | +0.80 |
| Round 8 | L.Petelko | U.Tsitavets – M.Brzozowski | Open | 10 | -7.5 | -0.75 | +0.40 |
| Round 9 | L.Petelko | C.Ben Guigui – M.Chanal | Open | 10 | +4.3 | +0.43 | +3.00 |
| Round 10 | L.Petelko | I.Lichtenstein – H.Hjorth Warlenius | Closed | 10 | +3.1 | +0.31 | +2.00 |
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 |
|---|---|---|---|---|---|---|---|
| +11.6 | Round 3 | POLAND 2 | 13 | 4♠ | ♦2 | -1 | +6 |
| +10.0 | Round 9 | FRANCE 1 | 20 | 3NT | ♠2 | -2 | +8 |
| +9.9 | Round 1 | RDFZ B | 21 | 4♠ | ♥J | -1 | +10 |
| +9.8 | Round 8 | AZS UW WARSAW 1 | 4 | 5♥ | ♥7 | -1 | +16 |
| +9.3 | Round 3 | POLAND 2 | 20 | 2♥ | ♦J | = | +13 |
| +8.7 | Round 9 | FRANCE 1 | 16 | 6NT | ♥2 | -1 | +17 |
| +8.2 | Round 4 | HKAB | 21 | 5♣x | ♥A | -1 | +11 |
| +8.0 | Round 7 | RDFZ G | 24 | 4♠x | ♣A | = | +10 |
| +8.0 | Round 9 | FRANCE 1 | 18 | 4♠ | ♦5 | = | +3 |
| +7.9 | Round 8 | AZS UW WARSAW 1 | 7 | 3NT | ♣5 | -1 | +13 |
| +7.5 | Round 1 | RDFZ B | 26 | 4♠ | ♣K | = | +0 |
| +7.4 | Round 2 | ENGLAND U21 | 8 | 6♦ | ♥A | -1 | +10 |
| +7.4 | Round 6 | PIDOES | 19 | 3NT | ♣5 | -1 | +12 |
| +7.4 | Round 10 | SECRET SHOT | 22 | 2♣ | ♥J | +1 | +11 |
| +7.3 | Round 6 | PIDOES | 16 | 4♠ | ♣6 | -1 | +12 |
| +6.7 | Round 10 | SECRET SHOT | 26 | 4♥ | ♣9 | -2 | +8 |
| +6.0 | Round 10 | SECRET SHOT | 30 | 4♠ | ♦J | -1 | +11 |
| +5.7 | Round 1 | RDFZ B | 28 | 4♠ | ♥5 | = | +3 |
| +5.5 | Round 3 | POLAND 2 | 17 | 4♥ | ♠A | +1 | +4 |
| +5.0 | Round 4 | HKAB | 22 | 3NT | ♠9 | = | +5 |
| +4.3 | Round 7 | RDFZ G | 26 | 1NT | ♠K | -3 | +4 |
| +4.3 | Round 10 | SECRET SHOT | 25 | 5♣ | ♥Q | -3 | +12 |
| +4.1 | Round 4 | HKAB | 23 | 4♥ | ♠T | +1 | +17 |
| +4.0 | Round 6 | PIDOES | 18 | 3♠ | ♣K | -1 | +5 |
| +3.8 | Round 5 | POLAND U21 | 1 | 3NT | ♦Q | +1 | -1 |
| +3.8 | Round 6 | PIDOES | 13 | 2NT | ♠J | -1 | +5 |
| +3.4 | Round 1 | RDFZ B | 29 | 3♠ | ♣8 | -1 | +6 |
| +3.3 | Round 1 | RDFZ B | 24 | 4♥ | ♠T | = | +0 |
| +3.3 | Round 6 | PIDOES | 17 | 3♣ | ♣3 | +1 | +7 |
| +3.2 | Round 5 | POLAND U21 | 8 | 2NT | ♣3 | -3 | +2 |
| +3.1 | Round 7 | RDFZ G | 29 | 1NT | ♦2 | -1 | +5 |
| +3.0 | Round 4 | HKAB | 26 | 6♠ | ♦5 | = | +0 |
| +3.0 | Round 8 | AZS UW WARSAW 1 | 10 | 4♠ | ♣8 | = | +0 |
| +2.8 | Round 5 | POLAND U21 | 7 | 3♣ | ♦A | = | +6 |
| +2.7 | Round 7 | RDFZ G | 22 | 3♥ | ♦K | = | +1 |
| +2.6 | Round 2 | ENGLAND U21 | 10 | 3NT | ♠7 | +2 | +2 |
| +2.6 | Round 9 | FRANCE 1 | 17 | 3♦ | ♣K | = | +8 |
| +2.2 | Round 4 | HKAB | 29 | 4♥ | ♣A | +1 | +0 |
| +2.2 | Round 5 | POLAND U21 | 3 | 1NT | ♥3 | = | +5 |
| +1.9 | Round 6 | PIDOES | 14 | 4♠ | ♥T | +3 | +2 |
| +1.8 | Round 5 | POLAND U21 | 9 | 5♦ | ♠8 | = | -11 |
| +1.8 | Round 8 | AZS UW WARSAW 1 | 3 | 2♥ | ♣K | +1 | +0 |
| +1.6 | Round 6 | PIDOES | 11 | 3♠x | ♦K | -1 | +8 |
| +1.4 | Round 2 | ENGLAND U21 | 1 | 4♥ | ♠6 | +2 | +2 |
| +1.4 | Round 8 | AZS UW WARSAW 1 | 1 | 2♥ | ♦3 | +2 | +1 |
| +1.0 | Round 2 | ENGLAND U21 | 4 | 5♦ | ♥K | +2 | -13 |
| +1.0 | Round 7 | RDFZ G | 25 | 1NT | ♠T | +1 | +0 |
| +0.9 | Round 1 | RDFZ B | 23 | 4♠x | ♣5 | -1 | +8 |
| +0.9 | Round 7 | RDFZ G | 21 | 3♠ | ♦K | -2 | +0 |
| +0.7 | Round 3 | POLAND 2 | 19 | 3NT | ♣3 | +1 | -11 |
| +0.7 | Round 5 | POLAND U21 | 5 | 4♠ | ♣Q | +1 | +0 |
| +0.5 | Round 1 | RDFZ B | 30 | 3♦ | ♥8 | +1 | +0 |
| +0.5 | Round 2 | ENGLAND U21 | 2 | 3♠ | ♦A | -1 | +5 |
| +0.5 | Round 6 | PIDOES | 20 | 4♠ | ♦K | +1 | +13 |
| +0.5 | Round 10 | SECRET SHOT | 23 | 4♥x | ♣T | -1 | -2 |
| +0.4 | Round 1 | RDFZ B | 27 | 1♥ | ♠A | -1 | +2 |
| +0.4 | Round 7 | RDFZ G | 28 | 2♠ | ♣T | +2 | -1 |
| +0.2 | Round 3 | POLAND 2 | 15 | 4♠ | ♦7 | +1 | +0 |
| +0.2 | Round 3 | POLAND 2 | 16 | 4♠ | ♥T | = | +0 |
| +0.2 | Round 3 | POLAND 2 | 18 | 4♠ | ♦K | = | +11 |
| -0.0 | Round 3 | POLAND 2 | 14 | 4♠ | ♦K | +1 | -8 |
| +0.0 | Round 6 | PIDOES | 12 | 2♠ | ♠2 | -1 | +4 |
| -0.1 | Round 3 | POLAND 2 | 11 | 1NT | ♥7 | -1 | -4 |
| -0.1 | Round 5 | POLAND U21 | 10 | 4♥ | ♠T | -1 | +6 |
| -0.3 | Round 1 | RDFZ B | 22 | 2♥ | ♣Q | -1 | +2 |
| -0.3 | Round 4 | HKAB | 28 | 4♠ | ♦6 | -1 | +1 |
| -0.7 | Round 9 | FRANCE 1 | 15 | 2♦ | ♥Q | -1 | -2 |
| -0.9 | Round 3 | POLAND 2 | 12 | 5♦ | ♠J | = | +2 |
| -1.0 | Round 2 | ENGLAND U21 | 5 | 2♥ | ♦4 | -2 | +1 |
| -1.8 | Round 2 | ENGLAND U21 | 9 | 1NT | ♣7 | = | -5 |
| -1.9 | Round 9 | FRANCE 1 | 12 | 1NT | ♠A | -1 | +1 |
| -2.0 | Round 2 | ENGLAND U21 | 6 | 3♥ | ♦K | -1 | +1 |
| -2.0 | Round 4 | HKAB | 24 | 2NT | ♠6 | = | +7 |
| -2.1 | Round 2 | ENGLAND U21 | 3 | 3♠ | ♣Q | = | -10 |
| -2.5 | Round 10 | SECRET SHOT | 24 | 3NT | ♣5 | -1 | -5 |
| -2.6 | Round 4 | HKAB | 27 | 2♠ | ♥2 | +2 | -1 |
| -2.6 | Round 4 | HKAB | 30 | 4♠ | ♦5 | +1 | +0 |
| -2.6 | Round 7 | RDFZ G | 27 | 1NT | ♠T | -3 | -7 |
| -2.6 | Round 8 | AZS UW WARSAW 1 | 9 | 3♠ | ♥Q | -2 | +0 |
| -2.7 | Round 10 | SECRET SHOT | 28 | 2♥ | ♥9 | +1 | -1 |
| -2.8 | Round 5 | POLAND U21 | 2 | 3♠ | ♥7 | -2 | +5 |
| -2.9 | Round 10 | SECRET SHOT | 27 | 5♣x | ♠K | -3 | -1 |
| -3.0 | Round 9 | FRANCE 1 | 19 | 4♠ | ♦K | = | -3 |
| -3.4 | Round 7 | RDFZ G | 23 | 5♥ | ♠2 | -1 | +1 |
| -3.5 | Round 9 | FRANCE 1 | 11 | 4♥ | ♠3 | -1 | -11 |
| -3.6 | Round 7 | RDFZ G | 30 | 5♦ | ♠K | -1 | -5 |
| -3.6 | Round 9 | FRANCE 1 | 13 | 2♠ | ♥6 | +4 | +9 |
| -4.2 | Round 2 | ENGLAND U21 | 7 | 2♠ | ♣K | = | -6 |
| -4.4 | Round 8 | AZS UW WARSAW 1 | 5 | 4♥ | ♣3 | +2 | +8 |
| -4.6 | Round 6 | PIDOES | 15 | 3NT | ♦6 | = | +0 |
| -4.7 | Round 8 | AZS UW WARSAW 1 | 8 | 5♦ | ♥Q | -1 | -10 |
| -5.1 | Round 10 | SECRET SHOT | 21 | 3NT | ♥Q | = | +0 |
| -5.3 | Round 4 | HKAB | 25 | 2NT | ♠K | -4 | -8 |
| -6.1 | Round 1 | RDFZ B | 25 | 3NT | ♠A | = | +1 |
| -7.3 | Round 5 | POLAND U21 | 4 | 3NT | ♥3 | = | -10 |
| -7.4 | Round 5 | POLAND U21 | 6 | 3NT | ♠3 | -2 | -11 |
| -7.4 | Round 8 | AZS UW WARSAW 1 | 6 | 5♦x | ♠T | -2 | -12 |
| -8.6 | Round 10 | SECRET SHOT | 29 | 6♠ | ♣A | -2 | -13 |
| -12.3 | Round 8 | AZS UW WARSAW 1 | 2 | 4♠ | ♥7 | -1 | -12 |
| -12.3 | Round 9 | FRANCE 1 | 14 | 7♠ | ♦T | = | +0 |