🇨🇳 ZHOU Zhenlin · CHINA RDFZ

29rank
-3.8Butler · 110 bds
-0.03per board
±4.3swing
-0.34vs par /bd · #33/56
-0.21adjusted /bd
Butler per round: -20.5 -27.9 -20.7 7.3 4.2 15.1 1.6 1.9 16.3 6.2 12.7by round

vs par split: bidding -0.25 · play -0.08

Strength of schedule: opponents averaged -0.18/bd (an easy draw) → opponent-adjusted -0.21/bd

Card play — on target: opening leads 79.2% #26 of 56 · declarer play 63.4% #44 of 56 · defence 80.9% #41 of 56

Card play by contract type — on target
vs NTvs a suit
Opening leads62.5% (8)87.5% (16)
Declarer play75.0% (12)58.6% (29)
Defence73.7% (19)85.7% (28)

Opening leads by suit led: ♠ 80.0% (5) · ♥ 62.5% (8) · ♦ 100.0% (6) · ♣ 80.0% (5)

vs par by strain: NT -0.45 (38) · a suit -0.28 (72)

vs par by level: part-score -0.54 (43) · game +0.02 (63) · slam -3.75 (4)

By role: declaring +0.03/bd (-1.89 vs par · 63) · defending -0.12/bd (+1.75 vs par · 47)

By vulnerability: vulnerable +0.07/bd (+0.29 vs par · 55) · not vulnerable -0.14/bd (-0.96 vs par · 55)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.ChengK.Bossonney – B.PerezOpen10-20.5-2.05-4.40
Round 2J.ChengS.Qiu – H.YuOpen10-27.9-2.79-3.60
Round 3J.ChengY.Liu – Y.YunClosed10-20.7-2.07-2.80
Round 4J.ChengF.Alter – L.VornkahlClosed10+7.3+0.73-1.00
Round 5J.ChengF.Porta – G.GiubiloClosed10+4.2+0.42+1.90
Round 6J.ChengS.Clementsson – A.SandinClosed10+15.1+1.51+2.20
Round 7J.ChengL.Bellicaud – R.BaslerClosed10+1.6+0.16-1.20
Round 8J.ChengR.Guth – H.RabourdinClosed10+1.9+0.19+2.10
Round 9J.ChengM.Nataf – H.CaillolClosed10+16.3+1.63+4.60
Round 10J.ChengJ.Lepper – F.DoermerClosed10+6.2+0.62-1.40
Round 11J.ChengK.Kopka – K.CichyClosed10+12.7+1.27-0.10

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
+11.6Round 3SHENGXING TEAM234♥♦3=+10
+10.9Round 7🇫🇷 FRANCE14NT♥K+3+14
+10.1Round 7🇫🇷 FRANCE94♥♦Q-1+12
+9.1Round 6🇸🇪 SWEDEN243NTx♠5=+10
+8.6Round 6🇸🇪 SWEDEN233NT♦3=+10
+7.7Round 11BRIDGE ACADEMY AZSUW213NT♣2-1+10
+7.4Round 9UNITED FRENCH27♦♦9-1+16
+6.6Round 4🇩🇪 GERMANY 185♥♣J=+8
+5.5Round 9UNITED FRENCH64♥♥3-1+6
+5.3Round 4🇩🇪 GERMANY 123NT♠10+2+1
+5.1Round 11BRIDGE ACADEMY AZSUW255♣♥2=+0
+4.8Round 1🇨🇱 CHILE34♠♣4+2+2
+4.6Round 10🇩🇪 GERMANY 2125♥♦Q=+1
+4.5Round 8🇫🇷 FRANCE YOUNGSTER 2172NT♦J=+6
+4.4Round 2🇨🇳 CHINA194♥♦5+1-11
+4.4Round 9UNITED FRENCH44♠♦K-1+6
+4.2Round 8🇫🇷 FRANCE YOUNGSTER 2162NT♦6-1+6
+4.1Round 11BRIDGE ACADEMY AZSUW294♠♣2-1+6
+3.8Round 8🇫🇷 FRANCE YOUNGSTER 2121NT♣J+1+1
+3.6Round 4🇩🇪 GERMANY 163NT♦2=-2
+3.4Round 5🇮🇹 ITALY174♥♣K-3+11
+3.3Round 5🇮🇹 ITALY202♣♥Q+1+10
+3.2Round 2🇨🇳 CHINA154♥♣Q+1+1
+2.8Round 6🇸🇪 SWEDEN274♠♣5=-1
+2.7Round 9UNITED FRENCH104♠x♥A-2+14
+2.6Round 9UNITED FRENCH13♠♦7+1+1
+2.6Round 10🇩🇪 GERMANY 2132♣♥A=+6
+2.5Round 10🇩🇪 GERMANY 2203♥♦3=+0
+2.3Round 7🇫🇷 FRANCE73♥♣6+1-10
+2.3Round 11BRIDGE ACADEMY AZSUW264♠♣K+1+0
+2.1Round 4🇩🇪 GERMANY 193NT♣A+1+11
+2.1Round 6🇸🇪 SWEDEN294♠♥A=+3
+1.8Round 5🇮🇹 ITALY194♠♥K-2+6
+1.8Round 11BRIDGE ACADEMY AZSUW243♠♣K-2-1
+1.7Round 10🇩🇪 GERMANY 2163♦♦2+1+1
+1.5Round 11BRIDGE ACADEMY AZSUW223♠x♥J-2+8
+1.3Round 2🇨🇳 CHINA175♠♠4+1+1
+1.3Round 4🇩🇪 GERMANY 135♦♠3-3-3
+1.3Round 4🇩🇪 GERMANY 151NT♥10-2+1
+1.3Round 8🇫🇷 FRANCE YOUNGSTER 2133♦♥3+2+10
+1.2Round 9UNITED FRENCH74♥♦J+2+1
+1.2Round 10🇩🇪 GERMANY 2184♠♥J=-1
+1.0Round 10🇩🇪 GERMANY 2172♠♣3-1+1
+0.8Round 5🇮🇹 ITALY133NT♣Q=-1
+0.7Round 5🇮🇹 ITALY184♠♦3-1+2
+0.5Round 5🇮🇹 ITALY123♣♦5-1+0
+0.4Round 11BRIDGE ACADEMY AZSUW236NT♦6+1-13
+0.3Round 6🇸🇪 SWEDEN251NT♦6+2-1
+0.1Round 6🇸🇪 SWEDEN263NT♠3-1+5
+0.1Round 10🇩🇪 GERMANY 2193♥♣A+2-9
-0.0Round 1🇨🇱 CHILE93♦♥K+1+1
-0.1Round 3SHENGXING TEAM241♣x♠3-1+1
-0.3Round 3SHENGXING TEAM252♦♦5+2+0
-0.4Round 2🇨🇳 CHINA141NT♠5+1-1
-0.5Round 7🇫🇷 FRANCE63NT♠2+1+0
-0.5Round 8🇫🇷 FRANCE YOUNGSTER 2153NT♠J+2+10
-0.5Round 10🇩🇪 GERMANY 2142♥♦3-1-4
-0.6Round 4🇩🇪 GERMANY 143NT♦9+3-1
-0.6Round 5🇮🇹 ITALY143NT♦Q-1-8
-0.7Round 4🇩🇪 GERMANY 114♥♦K+1-11
-0.7Round 8🇫🇷 FRANCE YOUNGSTER 2204♥♠K+1+0
-0.7Round 11BRIDGE ACADEMY AZSUW303♠♦2=-1
-0.8Round 6🇸🇪 SWEDEN303♣♥A-1-4
-0.9Round 9UNITED FRENCH85♣♥2-1-5
-1.0Round 2🇨🇳 CHINA112♠♥K=+5
-1.0Round 10🇩🇪 GERMANY 2114♥♦A-1-4
-1.0Round 11BRIDGE ACADEMY AZSUW282♠♣8+1+0
-1.1Round 3SHENGXING TEAM263NT♥6=-1
-1.1Round 3SHENGXING TEAM283NT♥3+2+0
-1.1Round 6🇸🇪 SWEDEN211NT♥K=+0
-1.3Round 5🇮🇹 ITALY154♥♣6+1+0
-1.3Round 7🇫🇷 FRANCE54♠♦8=-1
-1.3Round 9UNITED FRENCH33NT♥4+1-1
-1.5Round 1🇨🇱 CHILE42NT♥5+1+8
-1.5Round 2🇨🇳 CHINA184♥♣2=-7
-1.5Round 5🇮🇹 ITALY111NT♠2+1-1
-1.5Round 6🇸🇪 SWEDEN224♥♠K+1+0
-1.5Round 8🇫🇷 FRANCE YOUNGSTER 2194♠x♣10-3+0
-1.7Round 1🇨🇱 CHILE63NT♥K=-7
-1.8Round 1🇨🇱 CHILE13♦♥J-1-9
-1.8Round 3SHENGXING TEAM293♣♠6+1-7
-2.0Round 8🇫🇷 FRANCE YOUNGSTER 2111NT♥4-2-6
-2.1Round 7🇫🇷 FRANCE82NT♣6=+0
-2.3Round 1🇨🇱 CHILE53♣♥J+1-7
-2.5Round 9UNITED FRENCH92♠♠8-1-4
-2.6Round 1🇨🇱 CHILE103NT♥10=+0
-2.7Round 3SHENGXING TEAM212♥♠6-1-6
-2.8Round 9UNITED FRENCH55♥x♠7-3+12
-2.9Round 5🇮🇹 ITALY162♠♦2-1+0
-3.1Round 4🇩🇪 GERMANY 171NT♥Q-2-3
-3.1Round 8🇫🇷 FRANCE YOUNGSTER 2146♥♣6=-5
-3.3Round 7🇫🇷 FRANCE43NT♠10-1-12
-3.4Round 7🇫🇷 FRANCE103NT♠6+1-1
-3.9Round 1🇨🇱 CHILE74♦♠9-2-8
-4.1Round 8🇫🇷 FRANCE YOUNGSTER 2184♥♦K+2-1
-4.5Round 3SHENGXING TEAM224♣♠3+1-7
-4.5Round 6🇸🇪 SWEDEN284♠♠3=+0
-4.7Round 7🇫🇷 FRANCE33NT♠2-4-12
-5.5Round 1🇨🇱 CHILE86♠♦7-1-13
-6.0Round 1🇨🇱 CHILE23NT♥9-2-11
-6.0Round 10🇩🇪 GERMANY 2153NT♥J-1-5
-6.4Round 7🇫🇷 FRANCE22♠x♥2-2-2
-7.4Round 2🇨🇳 CHINA133NT♠8-1-12
-7.6Round 2🇨🇳 CHINA162♣x♦A-6+13
-8.3Round 3SHENGXING TEAM274♥x♣A=-5
-8.5Round 4🇩🇪 GERMANY 1102NTx♦7=-11
-8.5Round 11BRIDGE ACADEMY AZSUW274♠♦K-1-10
-8.9Round 2🇨🇳 CHINA125♦x♠A-3-12
-10.0Round 2🇨🇳 CHINA204♥♦K-2-13
-12.4Round 3SHENGXING TEAM305♥x♦A=-13