GAN Ling · LU DONG

88rank
+29.4Butler · 60 bds
+0.49per board
±4.2swing
-0.02vs par /bd · #270/518
+0.56adjusted /bd
Butler per round: 11.1 4.6 -0.3 0.4 0.4 13.2by round

vs par split: bidding +0.32 · play -0.33

Strength of schedule: opponents averaged +0.07/bd (a tough draw) → opponent-adjusted +0.56/bd

Card play — on target: opening leads 73.3% #388 of 518 · declarer play 73.7% #276 of 517 · defence 82.6% #277 of 518

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (6)88.9% (9)
Declarer play88.9% (9)60.0% (10)
Defence70.0% (10)92.3% (13)

Opening leads by suit led: ♠ 100.0% (4) · ♥ 100.0% (2) · ♦ 25.0% (4) · ♣ 80.0% (5)

vs par by strain: NT -0.12 (24) · a suit +0.06 (36)

vs par by level: part-score -0.18 (27) · game +0.12 (32) · slam +0.00 (1)

By role: declaring +0.94/bd (-0.54 vs par · 37) · defending -0.23/bd (+0.83 vs par · 23)

By vulnerability: vulnerable -0.09/bd (-1.47 vs par · 30) · not vulnerable +1.07/bd (+1.43 vs par · 30)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3S.ShanJ.Thompson – B.ThompsonOpen10+11.1+1.11+1.00
Round 4S.ShanG.Sun – W.ChenOpen10+4.6+0.46-1.40
Round 5S.ShanW.Zhang – Y.ChenOpen10-0.3-0.03+0.00
Round 8S.ShanV.Aronov – A.ZobuOpen10+0.4+0.04-0.80
Round 9S.ShanG.Phipps – L.WeingerClosed10+0.4+0.04+1.80
Round 10S.ShanY.Sun – L.HuClosed10+13.2+1.32-0.70

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
+11.0Round 10ORG283NT♣3-5+12
+10.2Round 8VALIO73NT♣2-3+14
+8.1Round 4CHINA HOBBY194♥♠J=+3
+8.1Round 5BEAUTIFUL YAN273NT♣2+1+7
+7.8Round 8VALIO104♠♣2+1+1
+6.0Round 3CORNELL54♥♣7=-1
+5.6Round 9DONNER145♦♥A=+7
+5.4Round 3CORNELL43NT♣4+2+0
+4.9Round 3CORNELL22♥♣5-1+11
+3.8Round 10ORG262♣♣2+2+1
+3.5Round 10ORG254♠♥A+2+2
+3.1Round 4CHINA HOBBY142♥♦A=+5
+2.9Round 8VALIO45♥x♣K-1+9
+2.9Round 9DONNER134♥♦K-2+8
+2.9Round 9DONNER194♠♦K+1+1
+2.8Round 3CORNELL83♥♦6=+10
+2.6Round 5BEAUTIFUL YAN303NT♠10+2+0
+2.5Round 5BEAUTIFUL YAN281NT♠3-2+2
+2.3Round 5BEAUTIFUL YAN266NT♣5=+0
+2.2Round 4CHINA HOBBY173NT♥10+3+2
+1.7Round 5BEAUTIFUL YAN211NT♥2=+0
+1.6Round 4CHINA HOBBY162♦♠8-1-11
+1.1Round 9DONNER183NT♣6=+1
+1.0Round 8VALIO13NT♦Q=-1
+0.8Round 10ORG271NT♦2+2-6
+0.7Round 10ORG292♠♦K=+0
+0.5Round 9DONNER114♠♥A=+1
+0.2Round 4CHINA HOBBY203♥♣10=+1
+0.2Round 5BEAUTIFUL YAN242♠♥4+1+7
+0.0Round 8VALIO52♠♣9+1+0
-0.1Round 3CORNELL33NT♠6+1+0
-0.1Round 4CHINA HOBBY184♣♠8-2+1
-0.2Round 10ORG222♥♣A=+1
-0.2Round 10ORG302♥♠J+2-6
-0.3Round 3CORNELL92♠♦K-1-2
-0.3Round 9DONNER174♥♣3+1+10
-0.5Round 9DONNER154♠♦9+1+0
-0.6Round 4CHINA HOBBY111NT♠4+1+0
-0.6Round 9DONNER164♠♣9=-1
-0.7Round 3CORNELL64♥♣8+1+0
-0.7Round 8VALIO31NT♠2-1+2
-1.0Round 4CHINA HOBBY122♠♥K=-1
-1.1Round 9DONNER201NT♦6=-2
-1.2Round 3CORNELL71♠♥6=-5
-1.3Round 8VALIO83♥♥6-1-5
-1.6Round 10ORG213♠♦A-3+0
-1.7Round 10ORG234♥♠Q-1-12
-2.1Round 3CORNELL11NT♣4+3+2
-2.6Round 8VALIO63NT♠2+1-10
-2.8Round 5BEAUTIFUL YAN293NT♥J=+1
-2.9Round 10ORG242♠♠2=+1
-3.1Round 5BEAUTIFUL YAN234♥♣5-1-6
-3.4Round 4CHINA HOBBY153NT♥Q-1-4
-3.4Round 5BEAUTIFUL YAN253NT♠8=-5
-3.6Round 3CORNELL101NT♠9=-5
-5.5Round 4CHINA HOBBY133NT♦10=-10
-6.5Round 8VALIO93NT♦5=-3
-8.4Round 5BEAUTIFUL YAN223♥♣10-1-6
-10.1Round 9DONNER125♥x♦A+1-7
-10.4Round 8VALIO25♣x♥3-2-15