🇮🇹 DUBOIN Giorgio · ITALY

47rank
+39.2Butler · 192 bds
+0.20per board
±5.0swing
+0.50vs par /bd · #22/126
+0.07adjusted /bd
Butler per round: 12.7 -3 -2.1 -7.4 -3.1 22.9 35.6 -11.5 1.3 -16.9 18.5 -7.8by round

vs par split: bidding -0.10 · play +0.60

Strength of schedule: opponents averaged -0.13/bd (an easy draw) → opponent-adjusted +0.07/bd

Card play — on target: opening leads 88.6% #17 of 126 · declarer play 76.6% #55 of 126 · defence 95.0% #7 of 126

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (8)86.1% (36)
Declarer play77.8% (9)76.3% (38)
Defence100.0% (22)93.7% (79)

Opening leads by suit led: ♠ 92.9% (14) · ♥ 83.3% (6) · ♦ 90.9% (11) · ♣ 84.6% (13)

vs par by strain: NT +2.14 (43) · a suit +0.03 (149)

vs par by level: part-score -0.10 (60) · game +0.74 (110) · slam +0.91 (22)

By role: declaring +0.23/bd (-1.79 vs par · 89) · defending +0.18/bd (+2.48 vs par · 103)

By vulnerability: vulnerable +0.69/bd (+0.48 vs par · 96) · not vulnerable -0.28/bd (+0.52 vs par · 96)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1A.SementaM.Cornell – A.BachClosed16+12.7+0.79+1.56
Round 2A.SementaM.Fleisher – M.KamilClosed16-3.0-0.19-1.06
Round 3A.SementaW.Basiony – T.MaciOpen16-2.1-0.13-1.69
Round 5A.SementaA.Hussein – T.SadekOpen16-7.4-0.46+2.62
Round 6A.SementaC.Ho – A.ChaoClosed16-3.1-0.19+0.00
Round 7A.SementaC.Pellegrini – H.CamberosOpen16+22.9+1.43+2.00
Round 8A.SementaJ.Smith – P.ThurstonOpen16+35.6+2.23+1.94
Round 10A.SementaK.Dwyer – K.BathurstOpen16-11.5-0.72+1.31
Round 12A.SementaK.Jassem – M.MazurkiewiczClosed16+1.3+0.08-0.56
Round 14A.SementaD.Gerin – J.PelletierClosed16-16.9-1.06+1.06
Round 15A.SementaA.Kanetkar – M.ThomsonOpen16+18.5+1.16-0.06
Round 16A.SementaK.Venkataraman – S.ChokshiOpen16-7.8-0.49-1.12

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
+12.6Round 12🇵🇱 POLAND183♥x♥9-3+14
+12.5Round 1🇳🇿 NEW ZEALAND126♣x♠A=+13
+10.8Round 3🇧🇭 BAHRAIN53NTx♠J-3+11
+10.2Round 3🇧🇭 BAHRAIN153NT♥10+1+10
+10.1Round 1🇳🇿 NEW ZEALAND73NTx♣K=+12
+10.1Round 7🇦🇷 ARGENTINA44♥♦3-1+12
+10.1Round 8🇨🇦 CANADA276♣♥A=-2
+9.9Round 8🇨🇦 CANADA255♠♣A-1+11
+9.8Round 8🇨🇦 CANADA233NT♥Q-1+6
+9.3Round 5🇪🇬 EGYPT46♣♦A=+0
+9.3Round 14🇬🇵 GUADELOUPE235♥♠Q=+10
+9.1Round 7🇦🇷 ARGENTINA16♠♦8=+0
+9.0Round 8🇨🇦 CANADA195♦x♦7-2+9
+8.8Round 1🇳🇿 NEW ZEALAND113NT♥2=+6
+8.2Round 2🇺🇸 USA2194♥♣A=+3
+7.8Round 6🇹🇼 CHINESE TAIPEI293NT♦5-3+14
+7.8Round 15🇦🇺 AUSTRALIA126♣x♥K-2+0
+7.1Round 14🇬🇵 GUADELOUPE206♠♣2+1+13
+6.8Round 3🇧🇭 BAHRAIN104♠♣5=+0
+6.8Round 5🇪🇬 EGYPT16♠♣K-1+14
+6.8Round 7🇦🇷 ARGENTINA94♥♥8=+7
+6.1Round 14🇬🇵 GUADELOUPE286♥♠J+1+13
+5.5Round 15🇦🇺 AUSTRALIA24♠x♠7-3+5
+5.2Round 2🇺🇸 USA2246♥♦K=+0
+5.1Round 1🇳🇿 NEW ZEALAND103NT♦3+2+2
+5.1Round 2🇺🇸 USA2325♥x♣A-1+6
+5.1Round 7🇦🇷 ARGENTINA26♦♣2=+0
+5.1Round 16🇮🇳 INDIA242♥♦K+1+6
+5.0Round 8🇨🇦 CANADA184♥♦6-1+12
+4.7Round 3🇧🇭 BAHRAIN145♦♠2+1+11
+4.7Round 16🇮🇳 INDIA272♠♣K+2+4
+4.5Round 10🇺🇸 USA1184♠♦K-1+12
+4.4Round 15🇦🇺 AUSTRALIA106♠♣3=+0
+4.3Round 1🇳🇿 NEW ZEALAND144♥♦3-2+11
+4.3Round 10🇺🇸 USA1203♠♠7-1+6
+4.2Round 6🇹🇼 CHINESE TAIPEI193NT♣A-2+7
+4.0Round 7🇦🇷 ARGENTINA53NT♠7=+0
+3.9Round 14🇬🇵 GUADELOUPE193NT♦3-2+11
+3.8Round 10🇺🇸 USA1244♣♥K+2+1
+3.5Round 5🇪🇬 EGYPT144♥♣Q+2+9
+3.4Round 6🇹🇼 CHINESE TAIPEI181♠♥A+1+0
+3.2Round 14🇬🇵 GUADELOUPE324♠♦9+2+1
+3.2Round 16🇮🇳 INDIA284♥♠Q-2+2
+3.1Round 2🇺🇸 USA2204♠♣T=-1
+2.9Round 7🇦🇷 ARGENTINA113♠♠9-3+0
+2.9Round 8🇨🇦 CANADA203♥♠7=+6
+2.7Round 3🇧🇭 BAHRAIN43♠♥K=+0
+2.7Round 15🇦🇺 AUSTRALIA53NT♦J-3+7
+2.6Round 10🇺🇸 USA1232♦♦4-2+9
+2.6Round 15🇦🇺 AUSTRALIA83NT♠2+2+1
+2.5Round 15🇦🇺 AUSTRALIA12♥♣7=+6
+2.4Round 7🇦🇷 ARGENTINA164♠♦5-2+3
+2.4Round 14🇬🇵 GUADELOUPE173NT♥5+1+7
+2.4Round 15🇦🇺 AUSTRALIA154♠♥4=+0
+2.3Round 6🇹🇼 CHINESE TAIPEI252♠♦9+2+2
+2.2Round 6🇹🇼 CHINESE TAIPEI213♦♥K+2+6
+2.2Round 7🇦🇷 ARGENTINA143NT♠3-2+6
+2.0Round 7🇦🇷 ARGENTINA133NT♦4+2+12
+1.9Round 15🇦🇺 AUSTRALIA62NT♥J=+5
+1.8Round 1🇳🇿 NEW ZEALAND164♠x♣A-1+7
+1.8Round 5🇪🇬 EGYPT163NT♠2-1+10
+1.7Round 5🇪🇬 EGYPT24♥♣4+1+0
+1.7Round 12🇵🇱 POLAND263NT♣2-1+12
+1.5Round 3🇧🇭 BAHRAIN83NT♥J+1-10
+1.5Round 6🇹🇼 CHINESE TAIPEI245♠x♥K-2+5
+1.5Round 12🇵🇱 POLAND226♥♠A=+0
+1.5Round 16🇮🇳 INDIA174♠♣9=+0
+1.4Round 16🇮🇳 INDIA263NT♠K-1+6
+1.3Round 12🇵🇱 POLAND203NT♦8=-2
+1.2Round 12🇵🇱 POLAND234♥♥2+1+0
+1.1Round 2🇺🇸 USA2282♥♥5-1+2
+1.1Round 10🇺🇸 USA1192♥♠Q=-1
+1.1Round 12🇵🇱 POLAND284♠♥2=-1
+1.0Round 2🇺🇸 USA2252♠♣Q+1+0
+1.0Round 6🇹🇼 CHINESE TAIPEI174♠x♠5-1+0
+1.0Round 7🇦🇷 ARGENTINA103♥♣A-1+0
+1.0Round 8🇨🇦 CANADA264♠♣5+2-13
+1.0Round 16🇮🇳 INDIA322♥♠2+1+0
+0.9Round 2🇺🇸 USA2274♥♠Q+1+0
+0.9Round 8🇨🇦 CANADA284♠♦3=+1
+0.8Round 7🇦🇷 ARGENTINA124♥♠A=-1
+0.7Round 1🇳🇿 NEW ZEALAND13♣♠7-2+0
+0.7Round 2🇺🇸 USA2264♥♠J+1+0
+0.7Round 14🇬🇵 GUADELOUPE254♥♣7+1+0
+0.7Round 16🇮🇳 INDIA202♣♠Q+2+0
+0.6Round 1🇳🇿 NEW ZEALAND24♥♠A-1-1
+0.6Round 10🇺🇸 USA1224♠♥Q-1+10
+0.4Round 8🇨🇦 CANADA241NT♦Q+1+7
+0.4Round 12🇵🇱 POLAND193NT♦8+2+0
+0.4Round 16🇮🇳 INDIA303NT♣10=+1
+0.3Round 1🇳🇿 NEW ZEALAND152♥♦Q=+0
+0.3Round 2🇺🇸 USA2173NT♠8+1+0
+0.3Round 2🇺🇸 USA2293♥♠Q+1+10
+0.3Round 16🇮🇳 INDIA231NT♦K-1+0
+0.1Round 2🇺🇸 USA2183NT♦J+1+1
+0.1Round 3🇧🇭 BAHRAIN73NT♠6+1+1
+0.1Round 6🇹🇼 CHINESE TAIPEI303NT♣2+2-1
+0.1Round 8🇨🇦 CANADA312NT♠7-2+1
-0.0Round 1🇳🇿 NEW ZEALAND34♠♦A+1+0
+0.0Round 3🇧🇭 BAHRAIN114♥♣6+1+0
+0.0Round 5🇪🇬 EGYPT113NT♦8=+0
-0.0Round 10🇺🇸 USA1294♥♣4+1+0
+0.0Round 12🇵🇱 POLAND243♣♠K=+5
+0.0Round 12🇵🇱 POLAND271NT♥8+3-6
-0.0Round 15🇦🇺 AUSTRALIA31NT♠3+2-6
+0.0Round 15🇦🇺 AUSTRALIA134♥♠9+1+0
-0.2Round 2🇺🇸 USA2302♠♥5+2+6
-0.2Round 3🇧🇭 BAHRAIN163NT♠2+2-11
-0.2Round 5🇪🇬 EGYPT54♥♠4=+6
-0.2Round 10🇺🇸 USA1324NT♠7=+1
-0.2Round 12🇵🇱 POLAND214♠♦K+1+0
-0.2Round 14🇬🇵 GUADELOUPE223♠♥K-1+4
-0.2Round 15🇦🇺 AUSTRALIA44♠♦K+1-4
-0.2Round 16🇮🇳 INDIA253♣♠A=+0
-0.3Round 7🇦🇷 ARGENTINA33NT♦6+3+12
-0.3Round 16🇮🇳 INDIA313♠♣J-2-5
-0.5Round 1🇳🇿 NEW ZEALAND56♠♦7=+13
-0.5Round 10🇺🇸 USA1313NT♥J+2+0
-0.5Round 14🇬🇵 GUADELOUPE264♠♥A=+0
-0.5Round 16🇮🇳 INDIA214♥♣A=+1
-0.6Round 3🇧🇭 BAHRAIN124♥♣K=+0
-0.6Round 10🇺🇸 USA1272♠♣Q-1-2
-0.7Round 5🇪🇬 EGYPT83♥♣J=-1
-0.7Round 5🇪🇬 EGYPT93♦♦2=+0
-0.7Round 10🇺🇸 USA1286♦♣Q+1+13
-0.7Round 15🇦🇺 AUSTRALIA162♠♠2+1+0
-0.9Round 12🇵🇱 POLAND323NT♠3-1-5
-1.0Round 6🇹🇼 CHINESE TAIPEI261♠♠4+1+0
-1.0Round 7🇦🇷 ARGENTINA62♠♣4=+0
-1.0Round 8🇨🇦 CANADA212♥♠9=+0
-1.0Round 8🇨🇦 CANADA292♠♦3-1+0
-1.0Round 15🇦🇺 AUSTRALIA73NT♥4+1+0
-1.3Round 3🇧🇭 BAHRAIN64♣♠K-1-7
-1.3Round 5🇪🇬 EGYPT33♣♦Q+2+0
-1.3Round 6🇹🇼 CHINESE TAIPEI324♠♣6+2-1
-1.3Round 12🇵🇱 POLAND252♠♣5-1-4
-1.5Round 6🇹🇼 CHINESE TAIPEI283♣♣A-2-2
-1.5Round 15🇦🇺 AUSTRALIA142♥♣7=-5
-1.6Round 6🇹🇼 CHINESE TAIPEI272♥♣J-1-5
-1.7Round 1🇳🇿 NEW ZEALAND42♥♦Q=+1
-1.7Round 8🇨🇦 CANADA225♦♥A-1+3
-1.7Round 15🇦🇺 AUSTRALIA94♠♠4=+1
-1.8Round 14🇬🇵 GUADELOUPE184♠♦Q=+0
-1.9Round 3🇧🇭 BAHRAIN23♠♥A+1-7
-1.9Round 10🇺🇸 USA1262♠♦K=-1
-2.0Round 8🇨🇦 CANADA173♠♥K-1+2
-2.0Round 8🇨🇦 CANADA303NT♥2=+0
-2.0Round 14🇬🇵 GUADELOUPE244♥♣Q+1-1
-2.4Round 3🇧🇭 BAHRAIN13♥♠3=-1
-2.7Round 5🇪🇬 EGYPT104♠♥A=+0
-2.7Round 16🇮🇳 INDIA182♥♦2+3-6
-2.8Round 5🇪🇬 EGYPT62♠♦K=+1
-3.1Round 5🇪🇬 EGYPT76♥♦2=+0
-3.2Round 12🇵🇱 POLAND314♠♣2=-13
-3.2Round 14🇬🇵 GUADELOUPE294♥♣J-1-12
-3.5Round 10🇺🇸 USA1303♥♠3-2-5
-3.8Round 2🇺🇸 USA2213♣♥6-2-5
-3.8Round 6🇹🇼 CHINESE TAIPEI224♠♣5=+0
-3.9Round 5🇪🇬 EGYPT124♥♠Q+1+13
-4.0Round 6🇹🇼 CHINESE TAIPEI314♥♦Q-1-12
-4.0Round 12🇵🇱 POLAND174♥♠8-1-10
-4.2Round 1🇳🇿 NEW ZEALAND95♦x♠A-1-2
-4.2Round 12🇵🇱 POLAND305♠+1+8
-4.4Round 6🇹🇼 CHINESE TAIPEI233NT♠4-3-5
-4.4Round 10🇺🇸 USA1172♠♣3-1-8
-4.5Round 1🇳🇿 NEW ZEALAND134♠♦J-2-9
-4.7Round 12🇵🇱 POLAND295♣♣5-1-7
-5.2Round 10🇺🇸 USA1254♥+1-7
-5.5Round 16🇮🇳 INDIA292♠♥A=-6
-5.8Round 8🇨🇦 CANADA323NT♣6-1-12
-6.2Round 15🇦🇺 AUSTRALIA114♥♣K-2-11
-6.7Round 7🇦🇷 ARGENTINA85♥♠A-1-4
-6.9Round 2🇺🇸 USA2317♣♥5-1-17
-6.9Round 7🇦🇷 ARGENTINA74♠♣9+2-13
-7.1Round 5🇪🇬 EGYPT135♣♠A=+0
-7.5Round 2🇺🇸 USA2224♦x♠K-3-17
-7.9Round 16🇮🇳 INDIA225♦♥A-3-9
-8.0Round 5🇪🇬 EGYPT152♦x♠3+2-10
-8.0Round 6🇹🇼 CHINESE TAIPEI204♠♠K-3-8
-8.6Round 7🇦🇷 ARGENTINA154♥x♣5-2-2
-9.0Round 16🇮🇳 INDIA194♠♣J-1-12
-9.1Round 14🇬🇵 GUADELOUPE306♠♣7=+0
-9.2Round 1🇳🇿 NEW ZEALAND85♥x♠6-3-9
-9.9Round 3🇧🇭 BAHRAIN35♣♦9+1-11
-10.0Round 14🇬🇵 GUADELOUPE275♦x♦A=-9
-10.1Round 14🇬🇵 GUADELOUPE316♦x♣A=-13
-10.6Round 2🇺🇸 USA2235♥♠Q+1-5
-11.1Round 3🇧🇭 BAHRAIN136♦♣6-1-13
-11.4Round 1🇳🇿 NEW ZEALAND63NT♠A-1-19
-11.4Round 10🇺🇸 USA1216♦♥4=-7
-11.5Round 3🇧🇭 BAHRAIN96♠♣A=+0
-12.7Round 14🇬🇵 GUADELOUPE216♠x♦A-6-7