🇵🇱 TERSZAK Andrzej · POLAND

27rank
+92.4Butler · 176 bds
+0.53per board
±5.3swing
+0.33vs par /bd · #34/88
+0.53adjusted /bd
Butler per round: 23.5 -14.4 32.1 7.2 -14.2 -1.1 3.7 11.6 15.3 20.7 8by round

vs par split: bidding -0.10 · play +0.41

Strength of schedule: opponents averaged +0.00/bd (an average draw) → opponent-adjusted +0.53/bd

Card play — on target: opening leads 59.4% #88 of 88 · declarer play 80.8% #13 of 88 · defence 86.5% #23 of 88

Card play by contract type — on target
vs NTvs a suit
Opening leads10.0% (10)81.8% (22)
Declarer play76.9% (13)82.1% (39)
Defence77.3% (22)90.4% (52)

Opening leads by suit led: ♠ 44.4% (9) · ♥ 57.1% (7) · ♦ 66.7% (9) · ♣ 71.4% (7)

vs par by strain: NT +0.00 (45) · a suit +0.50 (125)

vs par by level: part-score +0.70 (53) · game +0.19 (102) · slam +0.40 (15)

By role: declaring +0.31/bd (-2.54 vs par · 97) · defending +0.79/bd (+3.85 vs par · 79)

By vulnerability: vulnerable +0.68/bd (+0.28 vs par · 88) · not vulnerable +0.37/bd (+0.38 vs par · 88)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1I.LosiewiczA.Argain – N.SengialiClosed16+23.5+1.47+3.00
Round 4I.LosiewiczS.Shah – A.RobertsOpen16-14.4-0.90-0.69
Round 5I.LosiewiczX.Feng – J.HebbertClosed16+32.1+2.01+1.50
Round 7I.LosiewiczA.Zalitis – G.FreimanisOpen16+7.2+0.45-0.38
Round 9I.LosiewiczA.Kaplan – Z.BrescollOpen16-14.2-0.89+1.12
Round 11I.LosiewiczK.Huang – I.HsiehClosed16-1.1-0.07-0.12
Round 12I.LosiewiczS.Khor – P.HawClosed16+3.7+0.23-0.81
Round 14I.LosiewiczY.Ben David – D.HershfangOpen16+11.6+0.72-0.62
Round 15I.LosiewiczH.Wei – J.YinOpen16+15.3+0.96-1.19
Round 16I.LosiewiczL.Travis – E.MoskovskyOpen16+20.7+1.29+1.62
Round 17I.LosiewiczG.Lafont – F.CharignonClosed16+8.0+0.50+0.19

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
+16.7Round 9🇺🇸 USA1107♠♦A-1+17
+15.5Round 1🇦🇷 ARGENTINA133♠♦6-2+17
+14.0Round 15🇨🇳 CHINA126♣♣9-2+17
+13.8Round 17🇫🇷 FRANCE83♦x♦3-5+14
+12.1Round 7🇱🇻 LATVIA134♠x♣6=+14
+10.3Round 12🇸🇬 SINGAPORE116♥♠2+1+1
+10.3Round 16🇦🇺 AUSTRALIA115♥♣8-2+14
+10.1Round 1🇦🇷 ARGENTINA34♠♦6=+7
+9.9Round 5🇨🇦 CANADA73NT♠8-2+17
+9.6Round 5🇨🇦 CANADA45♦x♠4-4+10
+8.7Round 17🇫🇷 FRANCE15♣♠A=+7
+8.7Round 17🇫🇷 FRANCE153NT♦J-2+11
+8.5Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND57♠♠6=+0
+8.1Round 14🇮🇱 ISRAEL16NT♦4=+11
+7.7Round 5🇨🇦 CANADA25♣♣2=+11
+7.7Round 5🇨🇦 CANADA103♦♥Q+1+10
+7.7Round 7🇱🇻 LATVIA75♦x♣A-3+12
+7.7Round 17🇫🇷 FRANCE163♠♣K+1+10
+7.3Round 1🇦🇷 ARGENTINA104♥♦9-1+13
+7.3Round 7🇱🇻 LATVIA93NT♥5=-1
+6.8Round 16🇦🇺 AUSTRALIA73NT♦9-1+12
+6.7Round 7🇱🇻 LATVIA83NT♠5-1+10
+6.7Round 11🇹🇼 CHINESE TAIPEI155♠♥A-2+7
+6.7Round 16🇦🇺 AUSTRALIA134♠♣7+1+1
+6.4Round 15🇨🇳 CHINA35♦♥6+1+3
+6.3Round 7🇱🇻 LATVIA41NT♦7=+6
+6.1Round 9🇺🇸 USA154♠x♣K=+5
+6.1Round 12🇸🇬 SINGAPORE94♥♦A-2+11
+5.5Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND146♥x♠K-1+11
+5.3Round 1🇦🇷 ARGENTINA123N♥9-2+11
+5.3Round 12🇸🇬 SINGAPORE34♥♣2-2+11
+5.1Round 11🇹🇼 CHINESE TAIPEI73NT♦J=+0
+5.1Round 15🇨🇳 CHINA113NT♥4=-1
+5.1Round 16🇦🇺 AUSTRALIA104♥♣K=-1
+4.9Round 12🇸🇬 SINGAPORE124♥♦8+1+0
+4.6Round 16🇦🇺 AUSTRALIA53NT♣7+2+1
+4.5Round 15🇨🇳 CHINA163♣♦3-1-2
+4.4Round 9🇺🇸 USA1113NT♦K=+7
+4.3Round 17🇫🇷 FRANCE41NT♥9+2+10
+4.1Round 11🇹🇼 CHINESE TAIPEI125♦♣J+1+11
+4.0Round 5🇨🇦 CANADA34NT♣J=-1
+3.9Round 15🇨🇳 CHINA14♥♠Q+1+4
+3.7Round 7🇱🇻 LATVIA163♦♠K+1+1
+3.7Round 14🇮🇱 ISRAEL162♠♠K=+5
+3.7Round 17🇫🇷 FRANCE133♠♦5-1+6
+3.5Round 1🇦🇷 ARGENTINA54♥♣4+1+0
+3.3Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND65♦x♠K-2+8
+3.3Round 16🇦🇺 AUSTRALIA66♣♠7=-11
+3.1Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND154♥♣5=+0
+3.1Round 9🇺🇸 USA174♥♣7-1+13
+3.1Round 12🇸🇬 SINGAPORE51♦♥4-1+11
+2.9Round 5🇨🇦 CANADA114♣♦A-1-8
+2.9Round 14🇮🇱 ISRAEL134♥♠2-1+6
+2.6Round 5🇨🇦 CANADA63♦♥2+2+1
+2.5Round 12🇸🇬 SINGAPORE154♠♣A=+0
+2.3Round 5🇨🇦 CANADA83♣♠8=+7
+2.3Round 11🇹🇼 CHINESE TAIPEI104♥♦A+1+13
+2.3Round 15🇨🇳 CHINA94♠♥9+1+0
+2.2Round 7🇱🇻 LATVIA141NT♥3=+7
+2.2Round 11🇹🇼 CHINESE TAIPEI144♥♣A+1+0
+2.1Round 7🇱🇻 LATVIA153♥♦K+1-6
+2.1Round 14🇮🇱 ISRAEL21NT♣7+1+0
+1.9Round 14🇮🇱 ISRAEL95♦♥A+1-9
+1.9Round 16🇦🇺 AUSTRALIA154NT♠K+1+1
+1.8Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND133N♠4=+2
+1.7Round 1🇦🇷 ARGENTINA93♠♦A-1+5
+1.7Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND101♠♦K+1+0
+1.7Round 15🇨🇳 CHINA54♠♥3-1+5
+1.7Round 16🇦🇺 AUSTRALIA162♥♣K+2+1
+1.4Round 12🇸🇬 SINGAPORE82♦♦2+3-6
+1.4Round 16🇦🇺 AUSTRALIA146♥♠J-2+14
+1.3Round 11🇹🇼 CHINESE TAIPEI115♣♣5+1+1
+1.3Round 11🇹🇼 CHINESE TAIPEI164♥♣A+1+0
+1.3Round 14🇮🇱 ISRAEL44♥♠4=-13
+1.3Round 14🇮🇱 ISRAEL114♥♦8=+3
+1.3Round 15🇨🇳 CHINA61♣♣2-1+1
+1.2Round 5🇨🇦 CANADA122♥♣J+1+7
+1.2Round 12🇸🇬 SINGAPORE23♣♣5=+0
+1.1Round 5🇨🇦 CANADA14♠♠8+2+11
+1.0Round 11🇹🇼 CHINESE TAIPEI83♦♣A=+0
+0.9Round 9🇺🇸 USA114♥♠5=+0
+0.9Round 17🇫🇷 FRANCE35♥♣K+1+12
+0.8Round 14🇮🇱 ISRAEL122♠♠6-1-2
+0.6Round 11🇹🇼 CHINESE TAIPEI23NT♠10+3-13
+0.5Round 12🇸🇬 SINGAPORE42♠♥J+1+0
+0.3Round 1🇦🇷 ARGENTINA164♠x-2+8
+0.3Round 14🇮🇱 ISRAEL52♦♠3+2+0
+0.3Round 16🇦🇺 AUSTRALIA15♠♦2-1+4
+0.2Round 1🇦🇷 ARGENTINA63N♠Q=+1
+0.2Round 14🇮🇱 ISRAEL154♥♦A+2-13
+0.1Round 9🇺🇸 USA1145NT♣T=+11
+0.1Round 14🇮🇱 ISRAEL72♦♠K+1-1
-0.1Round 15🇨🇳 CHINA103NT♣2=-2
-0.1Round 15🇨🇳 CHINA151♠♣4+1+1
-0.1Round 17🇫🇷 FRANCE94♥♦J=+0
-0.3Round 1🇦🇷 ARGENTINA44♠♥6=+1
-0.3Round 9🇺🇸 USA193♦♥J+1+0
-0.3Round 16🇦🇺 AUSTRALIA34♥♠J-1+2
-0.3Round 17🇫🇷 FRANCE111NT♦A+3-6
-0.4Round 11🇹🇼 CHINESE TAIPEI55♥♥A=+0
-0.4Round 12🇸🇬 SINGAPORE163♠♥J-1+1
-0.5Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND83♥♦K=+7
-0.6Round 14🇮🇱 ISRAEL62♥♣A+1-6
-0.7Round 5🇨🇦 CANADA156♥♠K+1-13
-0.7Round 15🇨🇳 CHINA73♠♣A-1-6
-0.9Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND24♠♣J+1+0
-0.9Round 7🇱🇻 LATVIA113NT♣4+2+0
-0.9Round 16🇦🇺 AUSTRALIA84♥♣K=+0
-1.1Round 1🇦🇷 ARGENTINA152♣=+0
-1.3Round 5🇨🇦 CANADA95♦♠J-1-5
-1.3Round 5🇨🇦 CANADA144NT♦2+1-11
-1.4Round 1🇦🇷 ARGENTINA12♠♥K-1-4
-1.5Round 1🇦🇷 ARGENTINA21N♦8-1-5
-1.5Round 7🇱🇻 LATVIA51NT♥2-2+0
-1.5Round 15🇨🇳 CHINA84♥♦K=-3
-1.5Round 16🇦🇺 AUSTRALIA43NT♥2+2+0
-1.6Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND36♥♦Q=+13
-1.6Round 9🇺🇸 USA123♦♣8-3+0
-1.7Round 16🇦🇺 AUSTRALIA123NT♠6=+0
-1.8Round 14🇮🇱 ISRAEL82NT♠5-1-4
-1.8Round 17🇫🇷 FRANCE74♥♦7-2-12
-1.9Round 14🇮🇱 ISRAEL34♠♦7-2-5
-1.9Round 17🇫🇷 FRANCE144♥♦3+1-4
-2.1Round 15🇨🇳 CHINA23NT♥8-3-7
-2.3Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND43N♥7-2-8
-2.3Round 11🇹🇼 CHINESE TAIPEI63NT♥3+3-1
-2.3Round 14🇮🇱 ISRAEL141NT♦K+2+6
-2.4Round 7🇱🇻 LATVIA63NT♠2=-7
-2.4Round 9🇺🇸 USA1124NT♠6+2-11
-2.4Round 9🇺🇸 USA1163NT♥T=+0
-2.5Round 7🇱🇻 LATVIA13♠♦7-1-4
-2.5Round 11🇹🇼 CHINESE TAIPEI33♦♣K-2+0
-2.5Round 12🇸🇬 SINGAPORE144♠♥4-1-5
-2.6Round 9🇺🇸 USA1154♠♣7-1-5
-2.7Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND115♦♣3-1-10
-2.8Round 12🇸🇬 SINGAPORE75♠♥9=-13
-3.0Round 15🇨🇳 CHINA134♠♥2-1-6
-3.2Round 1🇦🇷 ARGENTINA112♠♦5=+0
-3.3Round 1🇦🇷 ARGENTINA74♥♠Q+1-1
-3.3Round 1🇦🇷 ARGENTINA82♣♣5+1-6
-3.4Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND124♠♦9+2-2
-3.5Round 5🇨🇦 CANADA163♦♦9+3-6
-3.7Round 9🇺🇸 USA132♦♠9=+1
-3.7Round 11🇹🇼 CHINESE TAIPEI136♥♣A-1-7
-3.9Round 12🇸🇬 SINGAPORE133♣♦Q+1-10
-4.0Round 7🇱🇻 LATVIA104♠♣T+1+0
-4.4Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND71N♣A-1-5
-4.4Round 5🇨🇦 CANADA52♦x♦6+1-5
-4.5Round 14🇮🇱 ISRAEL103NT♠6+2+12
-4.5Round 17🇫🇷 FRANCE23NT♦6=-7
-4.8Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND94♥♠K-1-10
-4.8Round 11🇹🇼 CHINESE TAIPEI94♥♦6-2-5
-5.1Round 15🇨🇳 CHINA146♦♠7-1-10
-5.1Round 17🇫🇷 FRANCE64♥♥3+2-11
-5.3Round 11🇹🇼 CHINESE TAIPEI13NT♠K=+0
-5.7Round 5🇨🇦 CANADA132NT♣J+1-1
-6.0Round 17🇫🇷 FRANCE103NT♣5-2-7
-6.1Round 7🇱🇻 LATVIA125♣x♥K-2-10
-6.1Round 9🇺🇸 USA1133NTx♦T-1-8
-6.3Round 1🇦🇷 ARGENTINA145♦=+1
-6.3Round 12🇸🇬 SINGAPORE61NT♠Q-2-2
-6.7Round 11🇹🇼 CHINESE TAIPEI44♠♠J-2-8
-7.1Round 16🇦🇺 AUSTRALIA24♥♦Q-1-12
-7.6Round 12🇸🇬 SINGAPORE14♥x♦K=-7
-8.0Round 9🇺🇸 USA143NT♠4=+1
-8.1Round 12🇸🇬 SINGAPORE105♥x♣A=-5
-8.2Round 7🇱🇻 LATVIA24♥♣4+1-8
-8.5Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND166♣♠3=-7
-8.9Round 9🇺🇸 USA183NT♦9=-7
-8.9Round 17🇫🇷 FRANCE123NT♠5-1-6
-9.2Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND16♣♠5=-10
-9.5Round 9🇺🇸 USA163NT♠Q=-6
-9.9Round 16🇦🇺 AUSTRALIA93NT♥3+1+0
-11.2Round 17🇫🇷 FRANCE54NT♣T-3-14
-11.3Round 15🇨🇳 CHINA42♣♠6-1-13
-15.3Round 7🇱🇻 LATVIA37♦♦5-1-20