LIU Sicheng · REIGNWOOD

322rank
-0.2Butler · 60 bds
-0.00per board
±4.0swing
+0.35vs par /bd · #175/567
+0.27adjusted /bd
Butler per round: 9.6 5 -0.4 22.1 -5 -31.5by round

vs par split: bidding +0.90 · play -0.55

Strength of schedule: opponents averaged +0.27/bd (a tough draw) → opponent-adjusted +0.27/bd

Card play — on target: opening leads 85.7% #132 of 567 · declarer play 68.8% #456 of 567 · defence 89.7% #58 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (3)90.9% (11)
Declarer play50.0% (2)71.4% (14)
Defence81.8% (11)94.4% (18)

Opening leads by suit led: ♠ 75.0% (4) · ♥ 80.0% (5) · ♦ 100.0% (4) · ♣ 100.0% (1)

vs par by strain: NT +2.80 (15) · a suit -0.47 (45)

vs par by level: part-score -0.29 (28) · game +1.39 (31) · slam -14.00 (1)

By role: declaring -1.00/bd (-2.94 vs par · 31) · defending +1.07/bd (+3.86 vs par · 29)

By vulnerability: vulnerable +0.84/bd (+1.28 vs par · 29) · not vulnerable -0.79/bd (-0.52 vs par · 31)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.KuangX.Zhang – Z.ZhuOpen10+9.6+0.96+0.40
Round 2Y.KuangS.Farholt – H.CaspersenOpen10+5.0+0.50-1.10
Round 3Y.KuangI.Liran – E.FriedlanderClosed10-0.4-0.04-1.00
Round 6Y.KuangS.Zhang – X.YuClosed10+22.1+2.21+4.10
Round 7J.YinS.Caiti – G.MattioliOpen10-5.0-0.50+2.50
Round 8Y.KuangS.Auken – R.WellandClosed10-31.5-3.15-2.80

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
+7.9Round 6SHANGHAILVCHENG274♠♥A=+3
+7.4Round 2MIX DENMARK203NT♥5+1+4
+5.7Round 1ZJJDWUHANYUAN62NT♥5-3-3
+5.4Round 3YBT255♦x♥A-2+9
+5.2Round 2MIX DENMARK193NT♣A-1+6
+5.2Round 3YBT294♠♥5=+10
+5.0Round 6SHANGHAILVCHENG294♠♦J+2+13
+4.9Round 7ITALY Seniors72♦♦5-1+5
+4.7Round 6SHANGHAILVCHENG261NT♠2-3+5
+4.5Round 1ZJJDWUHANYUAN25♦x♥A-1+6
+4.5Round 7ITALY Seniors105♦x♠Q-1+8
+3.7Round 8POLMANY194♦♥Q-1+10
+3.3Round 2MIX DENMARK115♦♥2=-1
+3.3Round 6SHANGHAILVCHENG253NT♠4-2+7
+3.1Round 1ZJJDWUHANYUAN84♠♥4-1+10
+2.9Round 1ZJJDWUHANYUAN32♦x♥A-1+2
+2.8Round 3YBT284♥♠Q+1+0
+2.7Round 2MIX DENMARK123♠♥2+1-8
+2.6Round 7ITALY Seniors65♦x♥2=+4
+2.2Round 1ZJJDWUHANYUAN52♣♣9+3+7
+1.3Round 7ITALY Seniors83NT♦J=+11
+1.2Round 2MIX DENMARK182♥♦5-1+4
+1.2Round 6SHANGHAILVCHENG281NT♦4+1-1
+0.9Round 6SHANGHAILVCHENG222♥♦Q+1+0
+0.8Round 7ITALY Seniors33♦♣A=+0
+0.7Round 1ZJJDWUHANYUAN103♥♣K-1+1
+0.6Round 2MIX DENMARK143♦♥7=+5
+0.6Round 6SHANGHAILVCHENG243♣♥Q-1+2
+0.3Round 3YBT304♥♠A+1+0
+0.3Round 6SHANGHAILVCHENG213NT♦6-3+6
+0.1Round 3YBT223NT♥10-1+5
+0.0Round 8POLMANY114♠♥A+1+0
-0.2Round 6SHANGHAILVCHENG302♥♠3+2+6
-0.3Round 3YBT245♦♥2=-2
-0.5Round 1ZJJDWUHANYUAN71NT♥8+1+0
-0.5Round 8POLMANY153NT♦J+1+0
-0.6Round 1ZJJDWUHANYUAN12♠♣4+2-6
-0.6Round 2MIX DENMARK131NT♦K=+1
-1.0Round 8POLMANY163NT♥8-1-5
-1.1Round 1ZJJDWUHANYUAN42♣x♥3-1-2
-1.6Round 6SHANGHAILVCHENG232♠♣6+1+0
-1.7Round 3YBT233♦♣2-1-5
-1.9Round 7ITALY Seniors14♥♥4-2+0
-2.0Round 3YBT264♥♠K+1-13
-2.3Round 8POLMANY133♠♠2-2-2
-2.6Round 7ITALY Seniors23♣♠7-1-5
-2.7Round 3YBT274♥♠6=-3
-2.9Round 8POLMANY173♥♦3=-6
-3.2Round 7ITALY Seniors53♠♣2-2-2
-3.3Round 2MIX DENMARK154♥♠2=-6
-3.8Round 8POLMANY203♦♦6=+0
-4.0Round 2MIX DENMARK174♠♥7-1-10
-5.2Round 8POLMANY185♦x♣5=-3
-5.6Round 7ITALY Seniors44♦♣8+2-8
-5.8Round 7ITALY Seniors93NT♠5+2+12
-7.3Round 1ZJJDWUHANYUAN95♦x♦5-2-11
-7.5Round 2MIX DENMARK163NT♥4-2-6
-7.5Round 3YBT214♥♠K-1-11
-8.0Round 8POLMANY142♠x♦Q-4-8
-11.5Round 8POLMANY126♣♠3-1-14