WAI Chiu Fai · PLATINUM

201rank
+18.5Butler · 112 bds
+0.17per board
±4.4swing
-0.07vs par /bd · #274/488
+0.38adjusted /bd
Butler per round: 4.5 -15.5 18.1 -1.4 -4.5 -15.7 19.4 13.6by round

vs par split: bidding -0.09 · play +0.02

Strength of schedule: opponents averaged +0.21/bd (a tough draw) → opponent-adjusted +0.38/bd

Card play — on target: opening leads 76.2% #354 of 488 · declarer play 78.8% #152 of 488 · defence 81.5% #420 of 488

Bidding activity — not a pass: 41.0% #325 of 488 (127/310)

Card play by contract type — on target
vs NTvs a suit
Opening leads71.4% (7)78.6% (14)
Declarer play100.0% (7)73.1% (26)
Defence75.0% (16)84.2% (38)

Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (4) · ♦ 50.0% (8) · ♣ 87.5% (8)

vs par by strain: NT +1.59 (29) · a suit -0.65 (83)

vs par by level: part-score -0.80 (30) · game +0.26 (76) · slam -0.67 (6)

By role: declaring +0.42/bd (-2.78 vs par · 58) · defending -0.11/bd (+2.83 vs par · 54)

By vulnerability: vulnerable +0.97/bd (+0.77 vs par · 56) · not vulnerable -0.65/bd (-0.91 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1S.TungR.Pachtman – C.HetzOpen14+4.5+0.32+2.64
Round 2S.TungN.Zeeberg – A.VainerClosed14-15.5-1.11-1.43
Round 3S.TungM.Knottenbelt – B.Handley-PritchardClosed14+18.1+1.29+0.79
Round 4S.TungK.Schwalbach – M.GuendelClosed14-1.4-0.10+0.07
Round 5S.TungK.Nowak – S.BaldyszOpen14-4.5-0.32-1.71
Round 6S.TungS.Georgiev – S.NenovaOpen14-15.7-1.12-2.64
Round 7S.TungN.Senior – A.MalinowskiClosed14+19.4+1.39+0.93
Round 8S.TungB.Moss – K.OnsgardOpen14+13.6+0.97+0.79

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
+12.1Round 8PARKER233NTx♠4+1+10
+12.0Round 1HETZ75♦♠9=+13
+11.6Round 2PLAN B BRIDGE263NT♥6=+10
+9.7Round 8PARKER194♠♥K-3+14
+9.6Round 3SUSHI BELT46NT♦5-1+20
+8.1Round 1HETZ134♠♥A+3+17
+7.5Round 3SUSHI BELT103NT♦K=+10
+7.5Round 7LEIBOWITZ33NTx♣2-2+10
+6.2Round 3SUSHI BELT124♥♠3+1+1
+6.2Round 7LEIBOWITZ75♦♠A+2+14
+6.0Round 4BV WALDSOLMS193NT♠T+3+16
+5.8Round 1HETZ113NT♥2=+0
+5.1Round 7LEIBOWITZ23NT♠2=+7
+5.0Round 8PARKER243NT♣3-1+5
+4.9Round 7LEIBOWITZ44♠♥8+1+11
+4.2Round 5MINITER74♥♥2+2-9
+4.1Round 2PLAN B BRIDGE164♦♦6-3+2
+3.9Round 5MINITER52♥♥J=+0
+3.8Round 5MINITER101NT♦6+2+10
+3.6Round 3SUSHI BELT12♥♠A=+5
+3.5Round 4BV WALDSOLMS184♠♣Q=+3
+3.4Round 1HETZ85♥♣A-1+4
+3.3Round 8PARKER203♠♥A-1+6
+3.2Round 4BV WALDSOLMS174♥♠8=+0
+3.0Round 5MINITER122♠♥5+1+1
+2.8Round 4BV WALDSOLMS264♠♦A-1+12
+2.8Round 6BULGARIA MIXED174♥♦A=+3
+2.7Round 4BV WALDSOLMS282♠♣A=+0
+2.4Round 8PARKER182♥♠Q=+7
+2.1Round 3SUSHI BELT93NT♥K-2+8
+2.0Round 3SUSHI BELT34♥♣5-1+5
+2.0Round 6BULGARIA MIXED213♥♠Q=+0
+1.9Round 2PLAN B BRIDGE284♥♠4=-1
+1.9Round 6BULGARIA MIXED264♠♦6=+0
+1.7Round 5MINITER14♥♦A-1+4
+1.6Round 7LEIBOWITZ52♦♥T-1+0
+1.4Round 2PLAN B BRIDGE254♣♣8-1+4
+1.1Round 4BV WALDSOLMS234♠♦6-1+6
+1.1Round 5MINITER135♣♥J=-13
+1.1Round 7LEIBOWITZ124♠♥2-1-3
+0.9Round 2PLAN B BRIDGE274♥♥T+1+0
+0.9Round 5MINITER23NT♥6=+0
+0.8Round 1HETZ104♥♥3+1+0
+0.8Round 6BULGARIA MIXED254♠♦2=+1
+0.7Round 8PARKER163NT♣J+1+0
+0.6Round 4BV WALDSOLMS203♥♣A-1+1
+0.6Round 8PARKER253NT♦6+1+1
+0.4Round 4BV WALDSOLMS274♦♣A+1-7
+0.3Round 6BULGARIA MIXED164♥♠4=+0
+0.3Round 7LEIBOWITZ84♥♣T=+0
+0.3Round 7LEIBOWITZ93NT♠9+3-13
+0.3Round 8PARKER224♠♥K+2-11
+0.2Round 6BULGARIA MIXED275♣♠6=-2
+0.1Round 5MINITER34♠♣8=+13
+0.0Round 2PLAN B BRIDGE245♣♣7-1-4
-0.1Round 4BV WALDSOLMS212♠♥T=-1
-0.2Round 3SUSHI BELT114♥♣K+1+0
-0.3Round 1HETZ14♥♠6+3+10
-0.3Round 7LEIBOWITZ64♥♦K=+0
-0.4Round 3SUSHI BELT63♦♥8=-7
-0.4Round 3SUSHI BELT73NT♥7+1+0
-0.5Round 2PLAN B BRIDGE215♦x♥A-2+5
-0.5Round 7LEIBOWITZ111NT♥5+1-7
-0.5Round 7LEIBOWITZ136♥♦8+1-13
-0.6Round 1HETZ34♠♣7=+0
-0.6Round 1HETZ43♥♣Q-1+1
-0.6Round 5MINITER93♣♥K=-7
-0.6Round 7LEIBOWITZ103NT♥8+1+1
-0.8Round 3SUSHI BELT136♥♠J+1-13
-0.8Round 4BV WALDSOLMS222♥♦Q+1-7
-0.8Round 6BULGARIA MIXED284♠♥6=-11
-0.9Round 5MINITER114♠♥6+1-1
-1.0Round 1HETZ64♥♣A=+0
-1.0Round 5MINITER142♥♦5=+0
-1.0Round 8PARKER212♠♥5+1+0
-1.1Round 3SUSHI BELT144♠♣5+1+0
-1.1Round 6BULGARIA MIXED152♥♦5-1+2
-1.3Round 6BULGARIA MIXED182♠♦T-1-5
-1.4Round 6BULGARIA MIXED233♣♥J-1-5
-1.5Round 2PLAN B BRIDGE223NT♥A+1+11
-1.6Round 4BV WALDSOLMS154♠♦Q+1+0
-1.6Round 6BULGARIA MIXED193NT♠9=+1
-2.0Round 3SUSHI BELT54♥♦3+2-1
-2.1Round 1HETZ52♠♦Q+1+0
-2.2Round 1HETZ124♥♣A+1+0
-2.3Round 3SUSHI BELT23♠♣A-2-7
-2.5Round 2PLAN B BRIDGE174♥♣3+1-11
-2.5Round 7LEIBOWITZ13♥♠3+2+6
-2.8Round 8PARKER176NT♥3=+0
-3.0Round 2PLAN B BRIDGE203NT♥T+1-1
-3.0Round 4BV WALDSOLMS161NT♦K=-5
-3.2Round 7LEIBOWITZ145♥♠A-2+0
-3.3Round 4BV WALDSOLMS253NT♥Q-1-5
-3.4Round 8PARKER284♠♥Q-2-11
-3.5Round 8PARKER272♠♣T-2-5
-3.6Round 8PARKER264♥♠Q-3-5
-3.7Round 6BULGARIA MIXED245♦♣A-3-4
-4.0Round 1HETZ24♠♥2+2+3
-4.3Round 2PLAN B BRIDGE152♠♥K=-6
-4.7Round 1HETZ94♠♥A=+0
-5.1Round 6BULGARIA MIXED224♥♣T=-7
-5.3Round 5MINITER44♥♣6-1-12
-5.7Round 3SUSHI BELT83NT♣5-1-10
-5.9Round 2PLAN B BRIDGE183NT♦J=-10
-6.2Round 8PARKER156♠♣8=+0
-7.6Round 5MINITER65♣♥A-4-12
-7.8Round 5MINITER86♣♥T=+2
-8.0Round 2PLAN B BRIDGE235♣♦4+2-17
-8.7Round 6BULGARIA MIXED203NT♥2=-10
-9.7Round 2PLAN B BRIDGE193NT♦9+2-2
-10.1Round 1HETZ143NT♣T-2-11
-12.9Round 4BV WALDSOLMS244♠x♥8-4-12