VAN ZWOL Wietske · NETHERLANDS

34rank
+51.7Butler · 126 bds
+0.41per board
±4.5swing
+0.86vs par /bd · #25/132
+0.46adjusted /bd
Butler per round: -4.1 15.9 18.3 -13.3 4.9 23.8 -10.5 9.2 -12.2 0.2 -0.9 13.3 21.5 21.9 -8.6 -12 -15.1 -0.6by round

vs par split: bidding +0.21 · play +0.65

Strength of schedule: opponents averaged +0.05/bd (an average draw) → opponent-adjusted +0.46/bd

Card play — on target: opening leads 84.8% #31 of 132 · declarer play 65.5% #96 of 132 · defence 93.4% #9 of 132

Card play by contract type — on target
vs NTvs a suit
Opening leads72.7% (11)90.9% (22)
Declarer play66.7% (6)65.2% (23)
Defence90.9% (22)94.9% (39)

Opening leads by suit led: ♠ 75.0% (8) · ♥ 88.9% (9) · ♦ 100.0% (8) · ♣ 75.0% (8)

vs par by strain: NT +1.92 (39) · a suit +0.38 (87)

vs par by level: part-score +0.12 (58) · game +1.87 (61) · slam -1.86 (7)

By role: declaring +0.23/bd (-1.89 vs par · 65) · defending +0.60/bd (+3.79 vs par · 61)

By vulnerability: vulnerable +0.92/bd (-0.08 vs par · 64) · not vulnerable -0.12/bd (+1.82 vs par · 62)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1C.ArnoldsB.Fu – H.LiClosed7-4.1-0.59+1.00
Round 2C.ArnoldsL.Wang – Y.ZhouOpen7+15.9+2.27+0.57
Round 3C.ArnoldsL.Gan – Y.HuangClosed7+18.3+2.61+2.29
Round 6C.ArnoldsJ.Chai – J.OuyangClosed7-13.3-1.90+1.43
Round 7C.ArnoldsY.Sun – Z.LiaoClosed7+4.9+0.70+1.71
Round 8C.ArnoldsH.Wu – C.SeetOpen7+23.8+3.40+7.57
Round 9C.ArnoldsJ.Moers – C.BistoquetOpen7-10.5-1.50-2.00
Round 10C.ArnoldsK.Sanborn – J.Seamon-MolsonOpen7+9.2+1.31-2.43
Round 11C.ArnoldsR.Pollack – C.BjerkanOpen7-12.2-1.74-3.86
Round 15C.ArnoldsM.Iacapraro – S.BoldtClosed7+0.2+0.03+1.00
Round 16C.ArnoldsS.Dewi – K.MurniatiOpen7-0.9-0.13+0.14
Round 17C.ArnoldsM.Sato – T.KahoOpen7+13.3+1.90+2.29
Round 18C.ArnoldsS.Kwon – H.ImClosed7+21.5+3.07+4.14
Round 19C.ArnoldsH.Iraqi – R.ElmaroufiClosed7+21.9+3.13+2.29
Round 20C.ArnoldsJ.Ran – W.WangClosed7-8.6-1.23+0.57
Round 23C.ArnoldsX.Wu – L.DongClosed7-12.0-1.71-2.00
Round 24C.ArnoldsW.Wang – J.LiuClosed7-15.1-2.16+1.43
Round 25C.ArnoldsW.Xu – H.ZhouOpen7-0.6-0.09-0.71

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
+15.0Round 18SCITY26♣♥Q=+12
+10.8Round 2BEIJING SHARE SUN116♦♥K+1+1
+10.1Round 10MOSS136♠♥6+1-13
+9.6Round 8SINGAPORE263NT♠2-2+13
+9.2Round 19MOROCCAN WOMEN TEAM122♥♥A+2+7
+9.0Round 3CHINA YELLOW TEAM216♠♥J+1-13
+8.0Round 8SINGAPORE226NT♣Q-4+14
+7.2Round 8SINGAPORE255♥♠A-1+12
+7.0Round 11POLLACK204♥♣3=+1
+6.5Round 7SHANDONG154♠x♣K-1+14
+6.0Round 3CHINA YELLOW TEAM166♦♥6=-2
+5.7Round 3CHINA YELLOW TEAM201NT♠6+3+15
+5.6Round 20CHINA RED TEAM185♣x♦A-1+6
+5.4Round 10MOSS104♥♣5=+3
+5.3Round 15EL ROSARIO194♥♠Q=+7
+5.1Round 24CHINA ORANGE TEAM183NT♠Q+2+14
+4.5Round 19MOROCCAN WOMEN TEAM143NT♠K=+0
+4.4Round 6COFCO YALONG BAY123NT♣4-1+10
+4.3Round 25HUBEI YIHUA245♣x♦3-3-10
+4.1Round 24CHINA ORANGE TEAM213♣♣2-2+5
+4.0Round 15EL ROSARIO161NT♠8=+6
+3.9Round 7SHANDONG163♦♠10+2+10
+3.9Round 17JAPAN LADIES64♠♣2+1+17
+3.9Round 18SCITY32♥♠6=+5
+3.8Round 2BEIJING SHARE SUN95♣♦K=+0
+3.7Round 19MOROCCAN WOMEN TEAM102♠♥4-1-1
+3.3Round 2BEIJING SHARE SUN123♣♥A=+6
+2.9Round 6COFCO YALONG BAY83♠♣A-3+7
+2.8Round 1CHINA PINK TEAM42♠♥K=+6
+2.8Round 9GWADAGIRLS54♥♠4-1+5
+2.8Round 15EL ROSARIO173NT♠4-1+4
+2.7Round 1CHINA PINK TEAM23NT♥5-2+6
+2.6Round 1CHINA PINK TEAM13♠♦J-1-2
+2.6Round 17JAPAN LADIES24♠♥K-2+0
+2.6Round 23KUNMING LIJIAN83♦♠5=+0
+2.4Round 19MOROCCAN WOMEN TEAM113♠♠2+1+6
+2.4Round 20CHINA RED TEAM213NT♠K-1+5
+2.4Round 23KUNMING LIJIAN143NT♥8+1-1
+2.3Round 3CHINA YELLOW TEAM152♠♦4=+0
+2.3Round 17JAPAN LADIES13NT♦5=+0
+2.3Round 19MOROCCAN WOMEN TEAM93NT♥J-2+13
+2.2Round 17JAPAN LADIES32♥♣K=+10
+2.2Round 17JAPAN LADIES41NT♦5+2+1
+2.1Round 2BEIJING SHARE SUN142♠♥8=+0
+2.1Round 9GWADAGIRLS41NT♣A-1-11
+2.1Round 24CHINA ORANGE TEAM201NT♣6+1+0
+2.0Round 10MOSS125♣♠A-2+0
+2.0Round 11POLLACK214♥♦K-1+5
+2.0Round 15EL ROSARIO212♥♦3=+0
+1.9Round 6COFCO YALONG BAY112NT♠3=+0
+1.8Round 10MOSS94♠♦Q-1+6
+1.8Round 25HUBEI YIHUA262♦♠3+1+1
+1.6Round 2BEIJING SHARE SUN83♠♥K-1-2
+1.6Round 8SINGAPORE284♥♣3-2+11
+1.6Round 16PERTAMINA EP263♥♥2-1+0
+1.5Round 18SCITY64♣♣3-3+9
+1.4Round 16PERTAMINA EP273NT♣3=+0
+1.3Round 2BEIJING SHARE SUN134♥♦5+1+0
+1.1Round 7SHANDONG214♠♣3-1+5
+1.0Round 16PERTAMINA EP252♥♣7=+0
+1.0Round 19MOROCCAN WOMEN TEAM134♥♣Q+1-13
+0.9Round 18SCITY74♥♣Q+1+0
+0.8Round 16PERTAMINA EP225♣♥7-3+8
+0.7Round 7SHANDONG172♠♦5+1+0
+0.6Round 8SINGAPORE244♠x♣9-2+4
+0.6Round 11POLLACK184♥♠9+1+0
+0.5Round 8SINGAPORE231NT♦6+1+0
+0.5Round 25HUBEI YIHUA282♥♠K-1-1
+0.4Round 17JAPAN LADIES51NT♠9=-2
+0.3Round 18SCITY44♥♦10+1+0
+0.2Round 23KUNMING LIJIAN113NT♠5-1+10
+0.1Round 18SCITY13NT♥6+3-1
+0.1Round 25HUBEI YIHUA233♣♣4+2+10
-0.0Round 16PERTAMINA EP243♠♦A+1+6
-0.1Round 9GWADAGIRLS32♠♣K-1+3
-0.2Round 1CHINA PINK TEAM51NT♥K+2+0
-0.2Round 3CHINA YELLOW TEAM182♠♥Q-1-2
-0.2Round 18SCITY55♥♦10=+4
-0.2Round 20CHINA RED TEAM175♦♠A=-1
-0.3Round 17JAPAN LADIES72♠♥K+2-10
-0.4Round 16PERTAMINA EP283♦♠7=-1
-0.4Round 20CHINA RED TEAM164♠♥K+1+13
-0.6Round 11POLLACK173NT♦4+1-11
-0.6Round 23KUNMING LIJIAN102♠♦K+1+0
-0.7Round 6COFCO YALONG BAY132♠♥5=+1
-0.7Round 9GWADAGIRLS22♥♦Q+3-10
-0.8Round 7SHANDONG204♥♠J+1-13
-0.9Round 20CHINA RED TEAM193NT♥2+1+0
-1.2Round 19MOROCCAN WOMEN TEAM84♠♣5-1+4
-1.2Round 24CHINA ORANGE TEAM151NT♦7-1+0
-1.6Round 3CHINA YELLOW TEAM172♠♣3-2+1
-1.6Round 25HUBEI YIHUA222♠♦8-2+0
-2.1Round 25HUBEI YIHUA252♠♥K-3-1
-2.3Round 1CHINA PINK TEAM75♣♥6=+1
-2.3Round 15EL ROSARIO201NT♠6+1-5
-2.4Round 10MOSS81NT♦J-1-5
-2.5Round 7SHANDONG182NT♣9=+1
-2.7Round 9GWADAGIRLS13NT♦10+1+0
-2.8Round 23KUNMING LIJIAN92♠♦5+2-1
-2.9Round 3CHINA YELLOW TEAM193NT♥2+1+17
-3.1Round 10MOSS144♠♥7-1-4
-3.6Round 25HUBEI YIHUA273♠♦A+1-4
-3.7Round 8SINGAPORE271NT♥4+1-1
-3.9Round 23KUNMING LIJIAN122♥♦K-1-10
-4.0Round 7SHANDONG193♣♥10-1-5
-4.3Round 11POLLACK153♠♥K-1-6
-4.6Round 1CHINA PINK TEAM63NT♦4-1+2
-4.6Round 10MOSS114♠♦A-1-4
-4.7Round 6COFCO YALONG BAY94♥♦Q+1+12
-5.0Round 11POLLACK164♠x♥K-4-4
-5.1Round 1CHINA PINK TEAM32♠♣9=-6
-5.1Round 9GWADAGIRLS73♠♥5+1-1
-5.2Round 15EL ROSARIO183NT♥2+1+0
-5.3Round 16PERTAMINA EP234♠♣A-1-12
-6.4Round 15EL ROSARIO152♥♠4-3-5
-6.7Round 24CHINA ORANGE TEAM193NT♦K=+1
-6.8Round 9GWADAGIRLS63NT♥3=+0
-7.0Round 2BEIJING SHARE SUN103NT♣7+2-1
-7.3Round 6COFCO YALONG BAY145♥♠A-1-8
-7.3Round 20CHINA RED TEAM153NT♠A-2-7
-7.8Round 20CHINA RED TEAM203NT♠10-1-12
-7.9Round 24CHINA ORANGE TEAM174♥x♠K=-5
-9.8Round 6COFCO YALONG BAY103♦x♣A-3-12
-9.9Round 23KUNMING LIJIAN136♦♠A-2-12
-10.6Round 24CHINA ORANGE TEAM162♦x♠K-4-5
-11.9Round 11POLLACK194♥x♦K=-12