WILDAVSKY Adam · SIVY A

213rank
+25.7Butler · 130 bds
+0.20per board
±4.2swing
+0.53vs par /bd · #115/567
+0.14adjusted /bd
Butler per round: -1.2 -6.8 -13 9.8 6.2 26.4 0.2 7.5 11.5 -3.5 -8.4 -8 5by round

vs par split: bidding +0.10 · play +0.46

Strength of schedule: opponents averaged -0.06/bd (an easy draw) → opponent-adjusted +0.14/bd

Card play — on target: opening leads 77.8% #353 of 567 · declarer play 81.5% #175 of 567 · defence 87.1% #122 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads54.5% (11)88.0% (25)
Declarer play100.0% (4)78.3% (23)
Defence78.9% (19)90.7% (43)

Opening leads by suit led: ♠ 70.0% (10) · ♥ 87.5% (8) · ♦ 87.5% (8) · ♣ 70.0% (10)

vs par by strain: NT +0.65 (31) · a suit +0.53 (98)

vs par by level: part-score -0.04 (56) · game +0.65 (65) · slam +4.00 (8)

By role: declaring +0.57/bd (-0.91 vs par · 67) · defending -0.19/bd (+2.06 vs par · 63)

By vulnerability: vulnerable -0.26/bd (+0.09 vs par · 66) · not vulnerable +0.67/bd (+0.98 vs par · 64)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1K.RosenbergS.Fischer – P.RankinClosed10-1.2-0.12+0.20
Round 2K.RosenbergG.Xin – H.JiangOpen10-6.8-0.68+1.20
Round 3K.RosenbergJ.Wang – T.ZhouClosed10-13.0-1.30-2.20
Round 4K.RosenbergK.Dai – J.LuClosed10+9.8+0.98+1.00
Round 5K.RosenbergD.Wang – M.ShiOpen10+6.2+0.62+1.20
Round 6K.RosenbergQ.Jiang – X.ZouClosed10+26.4+2.64+1.20
Round 7K.RosenbergB.Neill – A.KanetkarClosed10+0.2+0.02-3.10
Round 8K.RosenbergS.Sun – Y.LianClosed10+7.5+0.75+0.80
Round 9K.RosenbergJ.You – F.GaoClosed10+11.5+1.15+4.50
Round 10K.RosenbergL.Yang – Y.HuangClosed10-3.5-0.35+1.60
Round 11K.RosenbergG.Matushko – J.KhokhlovOpen10-8.4-0.84-0.70
Round 12K.RosenbergJ.Yin – Y.KuangOpen10-8.0-0.80-0.80
Round 13K.RosenbergT.Bessis – C.LorenziniOpen10+5.0+0.50+2.00

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
+10.7Round 3HONG PRAISE TEAM246♦♣4=+10
+9.6Round 11RUSSIA Open153NT♦J-3+14
+9.3Round 7AUSTRALIA Seniors86♣♦9=+0
+7.6Round 11RUSSIA Open113NTx♠4=+10
+7.4Round 4TIANYA BRIDGE FATE25♥x♦A=+10
+7.4Round 8SHANGHAILVCHENG174♥x♠Q-2+5
+7.0Round 13SHEN14♥♦5-1+10
+6.6Round 12REIGNWOOD245♠x♠K-1+11
+6.5Round 6BEIJINGXUGUANG296♠♦J=+0
+6.2Round 13SHEN33NT♠Q+1+0
+6.1Round 9WUHAN DONGFANG234♥x♦A-2+15
+6.0Round 4TIANYA BRIDGE FATE74♠♣K-1+6
+5.7Round 2SAN CHEN FUND202♥♣A=+12
+5.7Round 8SHANGHAILVCHENG126♣♠5=-2
+5.5Round 6BEIJINGXUGUANG303NT♠4=+0
+5.2Round 6BEIJINGXUGUANG221NT♠6-2+6
+5.2Round 8SHANGHAILVCHENG193NT♥K-2+11
+4.9Round 6BEIJINGXUGUANG262♦♥5-1+6
+4.9Round 13SHEN103♠♣3-2+2
+4.8Round 9WUHAN DONGFANG223NT♣2-2+6
+4.6Round 7AUSTRALIA Seniors104♥♦4-2+2
+4.5Round 9WUHAN DONGFANG304♠♦4-3+11
+4.4Round 5JINSHUO133NT♦9=-1
+4.3Round 13SHEN54♥♠8=+11
+4.2Round 7AUSTRALIA Seniors93NT♠4=-13
+4.2Round 9WUHAN DONGFANG214♥♠J=+0
+4.1Round 6BEIJINGXUGUANG283NT♣5-1+6
+4.1Round 12REIGNWOOD274♠♦A=+0
+3.9Round 5JINSHUO142♥♦A=-1
+3.8Round 1AUSTRALIA MIXED62♠♦8=+11
+3.7Round 10ZHEJIANGQIANTANG44♦♠2-1+6
+3.6Round 1AUSTRALIA MIXED34♥♦K-1+5
+3.4Round 13SHEN44♣♥4-2+3
+3.3Round 2SAN CHEN FUND154♥♦10=+6
+3.2Round 4TIANYA BRIDGE FATE82♠♣10+1+1
+2.7Round 3HONG PRAISE TEAM214♥♦5=-1
+2.3Round 10ZHEJIANGQIANTANG102♠♦4+1+1
+2.2Round 12REIGNWOOD263♠♣6-2+2
+2.0Round 6BEIJINGXUGUANG275♠♥A-1+8
+1.9Round 7AUSTRALIA Seniors14♥♥5-2+0
+1.8Round 6BEIJINGXUGUANG242♦♣7+2+1
+1.7Round 5JINSHUO183NT♦3-1+6
+1.7Round 9WUHAN DONGFANG255♥♦4+1+11
+1.7Round 10ZHEJIANGQIANTANG11NT♦10=+5
+1.6Round 2SAN CHEN FUND131NT♦K+1+0
+1.6Round 5JINSHUO152♥♥K=+5
+1.5Round 1AUSTRALIA MIXED22♦♠7+2+0
+1.4Round 10ZHEJIANGQIANTANG9Pass-3
+1.3Round 6BEIJINGXUGUANG213NT♥J-2-5
+1.3Round 11RUSSIA Open144♣♣A=+0
+1.3Round 12REIGNWOOD284♥♦J+2-11
+1.0Round 13SHEN74♠♠6=-1
+0.9Round 4TIANYA BRIDGE FATE62♠♠7-1+0
+0.8Round 5JINSHUO173♣♠3=+1
+0.6Round 1AUSTRALIA MIXED13♠♣3+1+6
+0.6Round 4TIANYA BRIDGE FATE34♥♦3+2+11
+0.6Round 6BEIJINGXUGUANG232♥♦A=-1
+0.5Round 1AUSTRALIA MIXED71NT♥5+1+0
+0.5Round 8SHANGHAILVCHENG153NT♠3=+1
+0.4Round 4TIANYA BRIDGE FATE54♠♥A+1+1
+0.4Round 4TIANYA BRIDGE FATE92♥♦Q-1-5
+0.4Round 5JINSHUO202♠♣3+1+0
+0.4Round 11RUSSIA Open202♠♦5=+0
+0.3Round 3HONG PRAISE TEAM304♥♦3+1+0
+0.3Round 4TIANYA BRIDGE FATE14♥♠K+1+0
+0.2Round 5JINSHUO113♠♣8=+0
+0.1Round 3HONG PRAISE TEAM223NT♥10-1+5
+0.1Round 9WUHAN DONGFANG243♥♦5-1+4
+0.0Round 5JINSHUO121NT♦5-1+2
+0.0Round 8SHANGHAILVCHENG114♠♥A+1+0
-0.0Round 8SHANGHAILVCHENG143NT♣6+2+0
+0.0Round 10ZHEJIANGQIANTANG86NT♣7=+11
-0.2Round 10ZHEJIANGQIANTANG33♣♦10+2+6
-0.2Round 11RUSSIA Open182♠♣2=+0
-0.3Round 1AUSTRALIA MIXED103♣♦Q=-1
-0.5Round 9WUHAN DONGFANG263NT♥8+2+12
-0.6Round 2SAN CHEN FUND143♦♥6=-5
-0.6Round 5JINSHUO164♣♥K=+7
-0.8Round 7AUSTRALIA Seniors33♦♣A=+0
-0.9Round 13SHEN93NT♠6+2-2
-1.0Round 2SAN CHEN FUND124♥♦5-2+9
-1.1Round 3HONG PRAISE TEAM264♥♠K+2-13
-1.2Round 2SAN CHEN FUND182♥♥2-1-4
-1.2Round 2SAN CHEN FUND193♦♦10+1+0
-1.4Round 1AUSTRALIA MIXED92♦♦5+1+3
-1.4Round 12REIGNWOOD302NT♦10-1-5
-1.5Round 7AUSTRALIA Seniors64♥x♦3-2-3
-1.6Round 4TIANYA BRIDGE FATE101NT♠3+1-1
-1.6Round 9WUHAN DONGFANG292♠♣4+2+1
-1.7Round 1AUSTRALIA MIXED52♣♣7+4-6
-1.7Round 3HONG PRAISE TEAM232♠♣A-1-5
-1.7Round 8SHANGHAILVCHENG185♦♣3=+2
-1.7Round 12REIGNWOOD211♠♠5=-1
-1.7Round 12REIGNWOOD256♦♠8+1+11
-2.2Round 11RUSSIA Open163♥♠5+1-1
-2.3Round 8SHANGHAILVCHENG133♠♠4-2-2
-2.4Round 10ZHEJIANGQIANTANG64♠♣6-1-6
-2.4Round 12REIGNWOOD226♣♦A=+2
-2.5Round 7AUSTRALIA Seniors22♦x♥Q-1+0
-2.7Round 3HONG PRAISE TEAM274♥♠2=-3
-2.7Round 10ZHEJIANGQIANTANG24♠♥A=-3
-2.9Round 9WUHAN DONGFANG283♥♣10-2-5
-3.1Round 1AUSTRALIA MIXED84♠♦A-1-10
-3.3Round 2SAN CHEN FUND115♦♥2=+1
-3.3Round 7AUSTRALIA Seniors45♦♠K+1-3
-3.4Round 10ZHEJIANGQIANTANG52♠♦3=+0
-3.5Round 8SHANGHAILVCHENG164♦♠K-2-7
-3.7Round 3HONG PRAISE TEAM293♠♥J+1+1
-3.8Round 2SAN CHEN FUND163NT♥4=-7
-3.8Round 8SHANGHAILVCHENG202♠♦8=+0
-3.9Round 10ZHEJIANGQIANTANG73NT♠K+1-1
-4.5Round 13SHEN86♦♠A=+0
-4.7Round 1AUSTRALIA MIXED44♠♣9-1-6
-4.9Round 9WUHAN DONGFANG274♠♠6-1-10
-4.9Round 11RUSSIA Open193♥♣A-3-10
-5.0Round 7AUSTRALIA Seniors53♠♥9-3-7
-5.2Round 11RUSSIA Open133NT♣10+1-10
-5.5Round 6BEIJINGXUGUANG253NT♥2-3-9
-5.5Round 12REIGNWOOD234♥♥5-1-6
-5.7Round 11RUSSIA Open122♦♦J+2-7
-5.8Round 3HONG PRAISE TEAM254♥♦A-2-3
-6.2Round 5JINSHUO194♠♦3=-7
-6.2Round 13SHEN64♥♠6=+0
-6.3Round 2SAN CHEN FUND174♠♠5=+0
-6.7Round 7AUSTRALIA Seniors71NTx♠2=-7
-7.8Round 4TIANYA BRIDGE FATE44♥♠J-2-13
-9.1Round 11RUSSIA Open174♥x♥2-3-3
-9.5Round 12REIGNWOOD293NT♣6+1-11
-10.2Round 13SHEN23NT♠Q=-3
-11.8Round 3HONG PRAISE TEAM282♦x♥5+1-13