LIU Dingwei · CHINA RDFZ3

51rank
-33.7Butler · 60 bds
-0.56per board
±4.4swing
+0.42vs par /bd · #25/61
-0.31adjusted /bd
Butler per round: -19.4 -19.3 -7.5 6.8 11.2 -5.5by round

vs par split: bidding -0.53 · play +0.88

Strength of schedule: opponents averaged +0.25/bd (a tough draw) → opponent-adjusted -0.31/bd

Card play — on target: opening leads 75.0% #39 of 60 · declarer play 73.3% #28 of 60 · defence 73.5% #48 of 61

Card play by contract type — on target
vs NTvs a suit
Opening leads0.0% (1)81.8% (11)
Declarer play40.0% (5)90.0% (10)
Defence77.8% (9)72.0% (25)

Opening leads by suit led: ♥ 66.7% (3) · ♦ 80.0% (5) · ♣ 75.0% (4)

vs par by strain: NT +0.69 (16) · a suit +0.23 (43)

vs par by level: part-score +0.65 (23) · game +0.57 (28) · slam -1.25 (8)

By role: declaring +0.52/bd (-2.52 vs par · 25) · defending -1.34/bd (+2.51 vs par · 35)

By vulnerability: vulnerable -0.94/bd (-0.33 vs par · 27) · not vulnerable -0.26/bd (+1.03 vs par · 33)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Z.LinO.Trybus – K.KopkaOpen10-19.4-1.94+0.90
Round 2Z.LinZ.Wu – Z.YuanOpen10-19.3-1.93-2.60
Round 5Z.LinH.Shang – Y.ChenOpen10-7.5-0.75+1.50
Round 6Z.LinL.Sun – H.KoOpen10+6.8+0.68+0.50
Round 7Z.LinJ.Wang – Y.SongOpen10+11.2+1.12+2.00
Round 8Z.LinW.Xue – H.DaiOpen10-5.5-0.55+0.20

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
+9.7Round 7CHINA RDFZ233NT♦8-1+12
+9.5Round 7CHINA RDFZ216♥♣5-1+14
+8.5Round 7CHINA RDFZ297♥♣6=+0
+6.3Round 5SX XHLD175♣♥A-1+11
+6.3Round 8SX XNWY162♣♠3=+6
+6.0Round 6CHINESE TAIPEI BLUE304♠♦8-2+11
+5.2Round 2SX XHEST156♣♠4=-2
+4.9Round 7CHINA RDFZ224♥♦J-4+3
+4.4Round 6CHINESE TAIPEI BLUE263NT♦10+1+0
+3.7Round 6CHINESE TAIPEI BLUE224♠♦2+2+1
+3.3Round 5SX XHLD194♠♥K+1+0
+2.8Round 5SX XHLD126♥♦3+1-11
+2.6Round 6CHINESE TAIPEI BLUE293NT♦5+1-12
+2.4Round 1AZSUW AKADEMIABRYDZA73♦♥K=+6
+2.3Round 8SX XNWY17Pass+4
+1.9Round 7CHINA RDFZ262NT♦7=+11
+1.3Round 8SX XNWY123NT♣7+2+1
+1.2Round 6CHINESE TAIPEI BLUE272NT♥J-1-2
+1.1Round 2SX XHEST181NT♥2=+5
+0.9Round 7CHINA RDFZ245♦♥K-2+0
+0.8Round 8SX XNWY194♠♥5+1+0
+0.7Round 6CHINESE TAIPEI BLUE243NT♠J+2-11
+0.5Round 2SX XHEST192♣♥Q=+1
+0.2Round 7CHINA RDFZ274♠♥8+2-13
+0.1Round 8SX XNWY142♦♣Q=+1
-0.2Round 7CHINA RDFZ253♠♣A-3+4
-0.5Round 5SX XHLD144♠♦2+2+11
-0.6Round 1AZSUW AKADEMIABRYDZA43NT♣2-1+6
-0.8Round 8SX XNWY112♠♦2=+0
-1.0Round 2SX XHEST122NT♦10=+1
-1.3Round 1AZSUW AKADEMIABRYDZA23NT♣Q-1+5
-1.3Round 5SX XHLD132♦♣K+2+0
-1.9Round 5SX XHLD203♠x♣10-2+4
-2.0Round 1AZSUW AKADEMIABRYDZA101NT♠A+1+0
-2.2Round 1AZSUW AKADEMIABRYDZA83♦♥K=+0
-2.2Round 5SX XHLD182♥♣2=-1
-2.5Round 1AZSUW AKADEMIABRYDZA92NT♣2-1-5
-2.6Round 1AZSUW AKADEMIABRYDZA65♦♥Q-1-8
-2.6Round 2SX XHEST114♥♦2+2-2
-2.6Round 2SX XHEST131♠♣K+2+0
-2.6Round 6CHINESE TAIPEI BLUE282♥♣9-1-4
-2.7Round 6CHINESE TAIPEI BLUE232♠♦2=+0
-2.9Round 1AZSUW AKADEMIABRYDZA33NT♠7=+1
-2.9Round 2SX XHEST174♥♣Q=+0
-3.1Round 6CHINESE TAIPEI BLUE216♥♠J+1+11
-3.2Round 8SX XNWY152♠♥6+1-1
-3.2Round 8SX XNWY204♠♦5+2-1
-3.3Round 5SX XHLD162♦♣K+2+0
-3.4Round 1AZSUW AKADEMIABRYDZA13NT♥4-3-2
-3.4Round 6CHINESE TAIPEI BLUE254♠♣10+1+11
-3.7Round 2SX XHEST163♥♠A-1-6
-4.3Round 1AZSUW AKADEMIABRYDZA55♠x♥6-1+6
-4.3Round 8SX XNWY184♥♦8=-3
-4.8Round 8SX XNWY132♥♦8=-5
-5.0Round 5SX XHLD114♠♣K=+0
-5.2Round 2SX XHEST205♠♥A-1-12
-5.7Round 5SX XHLD153NT♦10+1+1
-8.1Round 2SX XHEST146♠♦A-1-11
-9.4Round 7CHINA RDFZ286♣♥J=+2
-14.8Round 7CHINA RDFZ2106♥♦2+1-13