ZAIDENBERG GATT Aviv Leonardo · USRAEL

31rank
+54.8Butler · 80 bds
+0.69per board
±4.2swing
+1.40vs par /bd · #15/144
+0.79adjusted /bd
Butler per round: 35.5 0.3 -3.4 -8.9 1.9 -5.4 -0.4 8.7 6 20.5by round

vs par split: bidding +1.68 · play -0.28

Strength of schedule: opponents averaged +0.11/bd (a tough draw) → opponent-adjusted +0.79/bd

Card play — on target: opening leads 82.4% #57 of 144 · declarer play 68.0% #84 of 144 · defence 79.4% #77 of 144

Bidding activity — not a pass: 39.5% #93 of 144 (83/210)

Card play by contract type — on target
vs NTvs a suit
Opening leads87.5% (8)77.8% (9)
Declarer play62.5% (8)70.6% (17)
Defence92.9% (14)70.0% (20)

Opening leads by suit led: ♠ 80.0% (5) · ♥ 100.0% (3) · ♦ 83.3% (6) · ♣ 66.7% (3)

vs par by strain: NT +1.36 (28) · a suit +1.42 (52)

vs par by level: part-score +2.35 (40) · game +0.29 (38) · slam +3.50 (2)

By role: declaring +0.48/bd (-0.87 vs par · 46) · defending +0.96/bd (+4.47 vs par · 34)

By vulnerability: vulnerable +1.24/bd (+2.23 vs par · 40) · not vulnerable +0.13/bd (+0.57 vs par · 40)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1S.Zaidenberg GattH.Swiatek – M.SwiatekOpen8+35.5+4.44+5.62
Round 2S.Zaidenberg GattY.Liu – Y.GeOpen8+0.3+0.04+1.88
Round 3S.Zaidenberg GattA.Gawel – A.NagornyOpen8-3.4-0.42-0.75
Round 4S.Zaidenberg GattM.Nordqvist – F.Asplund SivelindOpen8-8.9-1.11+2.00
Round 5S.Zaidenberg GattK.Chang – L.WuClosed8+1.9+0.24-0.38
Round 6S.Zaidenberg GattG.Duterte – S.GarciaClosed8-5.4-0.68+3.38
Round 7S.Zaidenberg GattK.Keska – M.SchroderOpen8-0.4-0.05-0.38
Round 8S.Zaidenberg GattI.Wojciechowski – L.KrajewskiOpen8+8.7+1.09-0.88
Round 9S.Zaidenberg GattS.Haulan – A.S. BrandelOpen8+6.0+0.75+4.12
Round 10S.Zaidenberg GattJ.Zhou – B.ChenClosed8+20.5+2.56-0.62

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
+12.4Round 10CHINA SMZY SPLINTER263♠x♦K-3+12
+11.7Round 10CHINA SMZY SPLINTER234♥x♠2-3+12
+8.8Round 1WZBS264♠♦Q=+0
+8.7Round 1WZBS213NT♥4-2+11
+8.5Round 9THE BAST167NT♦J-2+17
+8.4Round 7KLUB LOGICZNY 1234♥♠K=+13
+7.1Round 5CT 36043NT♠2-2+7
+6.7Round 8POLAK MALI73NT♠2=-2
+6.6Round 1WZBS283NT♥5+1+4
+6.4Round 8POLAK MALI54♥♣3+2-8
+5.3Round 2RDFZ44♥♣T-1+16
+5.0Round 5CT 36022♠♥7=+11
+4.6Round 2RDFZ61NT♣6-2+2
+4.6Round 4THE VIKINGS223NT♠4=+5
+4.3Round 2RDFZ23♠♦A=+1
+4.3Round 10CHINA SMZY SPLINTER282♥♣K+1+1
+3.9Round 1WZBS243NT♠K+2+1
+3.6Round 1WZBS271♥♠A=+5
+3.4Round 10CHINA SMZY SPLINTER243NT♥A-1+5
+3.2Round 4THE VIKINGS244♣♠3-1+10
+3.2Round 8POLAK MALI43NT♠5+3-12
+2.9Round 3VERCO112NT♠8-2+1
+2.7Round 10CHINA SMZY SPLINTER273NT♣J=-2
+2.4Round 7KLUB LOGICZNY 1212♦♥3+2+1
+2.2Round 1WZBS223♣♠T-1+5
+2.2Round 1WZBS252NT♦3=+11
+2.1Round 4THE VIKINGS274♠♣5-1+5
+1.9Round 6FRANCE113♣♥8-1+9
+1.7Round 5CT 36082NT♦A-2+0
+1.6Round 3VERCO154♠♣5+1+0
+1.5Round 6FRANCE144♠♣8+1+1
+1.4Round 6FRANCE173♥♦8-2+8
+1.3Round 8POLAK MALI34♥♣7-1+5
+1.2Round 3VERCO144♠♦K+1-8
+1.1Round 9THE BAST173♣x♦3-1+8
+1.0Round 9THE BAST182♠♦5+1-8
+0.6Round 5CT 36054♠♥7=-1
+0.5Round 3VERCO123♥♠A+1+7
+0.5Round 9THE BAST143NT♥4+4+14
-0.1Round 6FRANCE123NT♦2-1+4
-0.1Round 7KLUB LOGICZNY 1253♦♥A=+0
-0.2Round 7KLUB LOGICZNY 1262♠♥K=-1
-0.2Round 9THE BAST151NT♦Q=-1
-0.3Round 2RDFZ53♥♦4-1-3
-0.5Round 1WZBS232NT♦K+2+8
-0.5Round 6FRANCE151NT♠K+2+6
-0.6Round 7KLUB LOGICZNY 1243♠♣A+1+2
-0.7Round 4THE VIKINGS234♠♥9+3+17
-0.8Round 10CHINA SMZY SPLINTER253♦♥Q-1-11
-0.9Round 6FRANCE183♠♠K+1-1
-1.0Round 8POLAK MALI12♥♦3+1+0
-1.1Round 3VERCO174♠♥T-1-6
-1.1Round 9THE BAST133♠♠7+1+10
-1.2Round 5CT 36072NT♦6-1+1
-1.3Round 3VERCO184♠♦K+1+11
-1.5Round 2RDFZ73♥♠2-1+0
-1.6Round 2RDFZ32♠♣Q+3+9
-1.6Round 7KLUB LOGICZNY 1272♥♠A+2-6
-1.8Round 7KLUB LOGICZNY 1224♥♣K-2-5
-1.9Round 9THE BAST112♠♠T=-8
-1.9Round 9THE BAST121NT♣3-1+1
-2.0Round 8POLAK MALI63♠♥6-2+5
-2.1Round 3VERCO164♠♣3=+0
-2.5Round 2RDFZ14♠♣7=+0
-2.7Round 6FRANCE131NT♠J+1+0
-2.8Round 5CT 36032♠♦K-2+0
-2.8Round 8POLAK MALI83♥♣6-4+5
-2.9Round 4THE VIKINGS254♦♠3-1-5
-3.1Round 8POLAK MALI23NT♦J+1+0
-3.3Round 4THE VIKINGS284♦♠T+1-1
-3.4Round 5CT 36063NT♥5-1-10
-5.1Round 3VERCO134♠♦2+1-11
-5.1Round 5CT 36013NT♦3-1-11
-5.1Round 10CHINA SMZY SPLINTER223NT♥2-1-10
-5.7Round 4THE VIKINGS264♠♦5+2-13
-6.0Round 6FRANCE163NT♥4+1+0
-6.2Round 4THE VIKINGS214♠x♣K-2-2
-6.9Round 7KLUB LOGICZNY 1284♠♣T=-7
-8.0Round 2RDFZ86♦♥A-1-10
-8.1Round 10CHINA SMZY SPLINTER213NT♥3-1-12