BAI Lu · GREEN PRIMARY SCHOOL

51rank
-8.9Butler · 60 bds
-0.15per board
±5.3swing
-0.38vs par /bd · #44/73
-1.17adjusted /bd
Butler per round: -37.7 -10.3 10.4 2.5 -19 45.2by round

vs par split: bidding -0.80 · play +0.42

Strength of schedule: opponents averaged -1.02/bd (an easy draw) → opponent-adjusted -1.17/bd

Card play — on target: opening leads 100.0% #1 of 73 · declarer play 71.4% #34 of 73 · defence 82.1% #34 of 73

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (3)100.0% (10)
Declarer play71.4% (7)71.4% (7)
Defence71.4% (14)88.0% (25)

Opening leads by suit led: ♠ 100.0% (4) · ♥ 100.0% (1) · ♦ 100.0% (4) · ♣ 100.0% (4)

vs par by strain: NT +0.26 (23) · a suit -0.78 (37)

vs par by level: part-score +0.20 (30) · game +0.04 (27) · slam -10.00 (3)

By role: declaring -1.14/bd (-4.57 vs par · 21) · defending +0.39/bd (+1.87 vs par · 39)

By vulnerability: vulnerable +0.37/bd (+0.17 vs par · 30) · not vulnerable -0.66/bd (-0.93 vs par · 30)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Z.ZhouK.Wu – Y.ShenClosed10-37.7-3.77-4.80
Round 2Z.ZhouB.Goodwin – J.NovakClosed10-10.3-1.03-2.50
Round 3K.GongH.Li – S.LiuOpen10+10.4+1.04+1.40
Round 4K.GongV.Lamoureux – MILLER JASONOpen10+2.5+0.25-3.10
Round 5K.GongE.Berman – A.LadyzhenskyOpen10-19.0-1.90-1.00
Round 7K.GongS.Edwards – M.NovakOpen10+45.2+4.52+7.70

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
+11.9Round 2BRIDGEMATES134♥♠5-6+12
+11.9Round 7MIDNIGHT SUNS23NT♣4-1+17
+10.6Round 7MIDNIGHT SUNS12NT♥2-4+12
+9.0Round 7MIDNIGHT SUNS103NT♦A=-1
+8.8Round 2BRIDGEMATES204♥♠5-3+9
+6.8Round 7MIDNIGHT SUNS63NT♦A+1+14
+5.6Round 2BRIDGEMATES113NT♣3-4+7
+5.6Round 7MIDNIGHT SUNS72NT♥3+2+15
+5.2Round 4BERK S82♦♣8=+7
+5.2Round 7MIDNIGHT SUNS52♦♥8+3+13
+4.4Round 2BRIDGEMATES154♥♣7-2+8
+4.4Round 3CHINA WFL244♠♦2+2-1
+3.4Round 3CHINA WFL263NT♣10+1+13
+3.4Round 3CHINA WFL283♠♣2+1+6
+3.3Round 4BERK S65♦♥A-2-5
+2.4Round 3CHINA WFL254♠♥A-1-3
+1.3Round 4BERK S54♠♥4+2-11
+1.2Round 1CHINA XNWY21NT♠K-1-1
+1.2Round 3CHINA WFL233♣♦10=+0
+1.0Round 5BERMAN172♣♥Q+2+7
+0.8Round 2BRIDGEMATES173NT♦2+4-14
+0.8Round 4BERK S41NT♣3+1+1
+0.6Round 4BERK S15♦♣K-2-5
+0.5Round 3CHINA WFL223NT♦J+1+0
+0.5Round 4BERK S93NT♥9+1-13
+0.4Round 7MIDNIGHT SUNS81♥♦4-1-2
+0.2Round 4BERK S23♥♦A-1+2
+0.1Round 5BERMAN152♠♦K=-7
-0.2Round 4BERK S34♥♦A-1-2
-0.8Round 1CHINA XNWY13NT♣A+2-1
-0.8Round 1CHINA XNWY41NT♠K+2-1
-0.8Round 3CHINA WFL214♣♠A=+0
-0.8Round 7MIDNIGHT SUNS33♣♥A+1+0
-1.0Round 3CHINA WFL291NT♣8+3-2
-1.0Round 4BERK S71♥♣Q=-4
-1.4Round 5BERMAN123NT♦5=+1
-1.4Round 5BERMAN192♥♠K=+0
-1.4Round 7MIDNIGHT SUNS42♠♦A-3+8
-1.5Round 3CHINA WFL303♣♥A=+0
-1.5Round 5BERMAN202♦♣9-1-5
-1.6Round 1CHINA XNWY93♣♣J-1-6
-1.6Round 3CHINA WFL271♥♠A+1+1
-1.8Round 1CHINA XNWY104♥♦4-1-6
-1.9Round 2BRIDGEMATES144♠♦5=+1
-1.9Round 5BERMAN113NT♣2+1+11
-2.1Round 7MIDNIGHT SUNS91♣♥5=+1
-2.2Round 5BERMAN134♠♥K=+0
-3.5Round 1CHINA XNWY32♠♦K+2-1
-3.6Round 5BERMAN141NT♦2+1-6
-3.6Round 5BERMAN162♥♥A-2-3
-4.1Round 2BRIDGEMATES192NT♣A+1-10
-4.5Round 5BERMAN184♦♥K-1-8
-4.8Round 1CHINA XNWY83♥♠2=-11
-6.2Round 1CHINA XNWY73NTx♣A-1-8
-7.2Round 1CHINA XNWY63NT♣3-1-13
-7.5Round 2BRIDGEMATES165♣x♠4-2-8
-8.2Round 4BERK S103NT♦A+1-1
-12.2Round 1CHINA XNWY56♥♦J=+0
-13.1Round 2BRIDGEMATES126NTx♦6-3-14
-15.2Round 2BRIDGEMATES186♦x♣A=-16