KOTOROWICZ Krzysztof · GROUP ONE

67rank
+51.4Butler · 70 bds
+0.73per board
±4.0swing
+0.77vs par /bd · #106/675
+0.45adjusted /bd
Butler per round: 0.2 10.9 19.1 25.3 -4.1by round

vs par split: bidding +1.24 · play -0.47

Strength of schedule: opponents averaged -0.28/bd (an easy draw) → opponent-adjusted +0.45/bd

Card play — on target: opening leads 80.0% #224 of 675 · declarer play 81.2% #195 of 675 · defence 85.7% #352 of 675

Bidding activity — not a pass: 40.9% #476 of 675 (79/193)

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (3)83.3% (12)
Declarer play83.3% (6)80.0% (10)
Defence100.0% (7)82.1% (28)

Opening leads by suit led: ♠ 75.0% (4) · ♥ 50.0% (4) · ♦ 100.0% (3) · ♣ 100.0% (4)

vs par by strain: NT -1.52 (21) · a suit +1.75 (49)

vs par by level: part-score +1.21 (24) · game +0.95 (40) · slam -2.17 (6)

By role: declaring +0.07/bd (-2.00 vs par · 35) · defending +1.40/bd (+3.54 vs par · 35)

By vulnerability: vulnerable +0.12/bd (+0.03 vs par · 35) · not vulnerable +1.35/bd (+1.51 vs par · 35)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1K.AraszkiewiczR.Lin – J.TaoClosed14+0.2+0.01-0.86
Round 4K.AraszkiewiczG.Chagas – A.BianchediClosed14+10.9+0.78+1.43
Round 5K.AraszkiewiczG.Chadha – S.LeeClosed14+19.1+1.36+0.07
Round 7K.AraszkiewiczY.Chumak – E.KupriianovClosed14+25.3+1.81+1.93
Round 8K.AraszkiewiczS.Weinstein – D.BakhshiOpen14-4.1-0.29+1.29

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.

ButlerRoundOpponentsBdContractLeadResvs par
+10.5Round 7JUSTJUMP16♠♣A-1+11
+9.3Round 7JUSTJUMP26♦♠A=+0
+8.2Round 1CHINA EVERTRUST84♠♥K=+7
+7.9Round 5FOURSQUIRE113NT♥T-1+10
+7.3Round 5FOURSQUIRE54♠♥T-4+11
+7.0Round 5FOURSQUIRE146♣♦7-1+10
+6.9Round 1CHINA EVERTRUST22♠♣2+1+13
+6.2Round 1CHINA EVERTRUST94♥♠3=+3
+6.0Round 1CHINA EVERTRUST63NT♦6=+11
+5.5Round 4CAMBEROS163♦♠T+2+7
+5.0Round 7JUSTJUMP73♠♥2-1+11
+4.7Round 4CAMBEROS212♠♦A-2+3
+4.7Round 5FOURSQUIRE23NT♣6+1+1
+4.3Round 5FOURSQUIRE103♣♠A-1+0
+4.3Round 7JUSTJUMP92NT♠2+1+1
+4.2Round 4CAMBEROS222NT♠J=+5
+3.8Round 5FOURSQUIRE94♥♣K-1+5
+3.1Round 7JUSTJUMP115♣♥A-1+5
+3.0Round 8NICKELL275♣♦A-1+8
+2.9Round 8NICKELL195♦♥T-1+5
+2.8Round 7JUSTJUMP144♥♠Q+1+0
+2.7Round 4CAMBEROS153NT♥Q+2+1
+2.5Round 4CAMBEROS244♠♣6-1+10
+2.5Round 4CAMBEROS254♠♦K-1+5
+2.4Round 4CAMBEROS185♦♥T+1+13
+2.2Round 7JUSTJUMP83NT♥9-1+5
+2.1Round 1CHINA EVERTRUST46♠♥T+1-13
+2.1Round 8NICKELL224♠♦T=+0
+1.9Round 1CHINA EVERTRUST124♥♦K=+0
+1.2Round 7JUSTJUMP34♠♦J-1-2
+0.8Round 4CAMBEROS273NT♠J=+0
+0.8Round 8NICKELL164♥♣K+2+11
+0.4Round 5FOURSQUIRE34♥♣6=+1
+0.3Round 4CAMBEROS191NT♦K-3-10
+0.2Round 5FOURSQUIRE133♠♣J=+0
-0.0Round 7JUSTJUMP63♣♣K+1+0
+0.0Round 8NICKELL153♥♥5-1+0
-0.1Round 8NICKELL244♠♥5=+1
-0.2Round 8NICKELL232♠♣J+2-1
-0.3Round 8NICKELL215♥x♣4-3+0
-0.7Round 1CHINA EVERTRUST102♥♠5+3+9
-0.7Round 7JUSTJUMP52♠♥6=-1
-0.7Round 8NICKELL174♠♣T+1+8
-1.0Round 5FOURSQUIRE82♥♠Q+2-1
-1.1Round 4CAMBEROS231NT♦J+1+10
-1.3Round 8NICKELL251NT♣9-1+0
-1.4Round 5FOURSQUIRE13NT♣2+1+0
-1.5Round 4CAMBEROS202♦♦A-2-2
-1.5Round 5FOURSQUIRE73NT♥8+3-13
-1.8Round 1CHINA EVERTRUST13NT♠5-2-5
-1.8Round 8NICKELL204♠♣6=+1
-1.9Round 8NICKELL181NT♣T-1-4
-2.3Round 4CAMBEROS284♠♣8=-1
-2.7Round 1CHINA EVERTRUST132♠♣K-2+2
-2.7Round 1CHINA EVERTRUST144♠♠3-2-5
-2.7Round 7JUSTJUMP133♥♣K+1+1
-2.7Round 8NICKELL286NT♣Q+1-10
-2.9Round 7JUSTJUMP123NT♥4+1+0
-3.1Round 7JUSTJUMP43♣♦K-2+7
-3.3Round 5FOURSQUIRE123NT♥4-1-10
-3.4Round 5FOURSQUIRE63NT♥3+3-1
-3.7Round 7JUSTJUMP103♣♦A-1-11
-3.8Round 4CAMBEROS263♣♣J+2-10
-3.9Round 1CHINA EVERTRUST55♣♠J-1-5
-3.9Round 8NICKELL264♥♠A+2-1
-4.1Round 1CHINA EVERTRUST74♠♣4-1-12
-5.9Round 5FOURSQUIRE43NT♠T-1-12
-6.0Round 4CAMBEROS176NT♥4-1-11
-6.2Round 1CHINA EVERTRUST34♥♠9-1-6
-9.0Round 1CHINA EVERTRUST114♠♦8-1-11