JASZCZAK Andrzej · A J DIAMENT

195rank
+37.9Butler · 140 bds
+0.27per board
±3.8swing
+0.67vs par /bd · #102/695
+0.48adjusted /bd
Butler per round: 2.9 -2.8 9.1 1.8 19.9 -6.7 -9.7 4.6 6.6 -13 27.7 -9.1 9.1 -2.5by round

vs par split: bidding +0.35 · play +0.32

Strength of schedule: opponents averaged +0.21/bd (a tough draw) → opponent-adjusted +0.48/bd

Card play — on target: opening leads 89.2% #75 of 694 · declarer play 75.0% #343 of 694 · defence 85.2% #286 of 695

Card play by contract type — on target
vs NTvs a suit
Opening leads77.8% (9)92.9% (28)
Declarer play69.2% (13)80.0% (15)
Defence87.0% (23)84.5% (58)

Opening leads by suit led: ♠ 87.5% (16) · ♥ 90.0% (10) · ♦ 87.5% (8) · ♣ 100.0% (3)

vs par by strain: NT +0.88 (42) · a suit +0.58 (98)

vs par by level: part-score +0.42 (52) · game +0.42 (81) · slam +5.43 (7)

By role: declaring +0.28/bd (-2.14 vs par · 59) · defending +0.26/bd (+2.72 vs par · 81)

By vulnerability: vulnerable +0.64/bd (+0.13 vs par · 69) · not vulnerable -0.09/bd (+1.20 vs par · 71)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2M.LesniewskiM.Groenenboom – B.DrijverOpen10+2.9+0.29+0.10
Round 3M.LesniewskiJ.Ahmed – T.MasoodOpen10-2.8-0.28-0.30
Round 4M.LesniewskiX.Hou – M.ShiClosed10+9.1+0.91+2.20
Round 5M.LesniewskiP.Pigot – T.MaccormacClosed10+1.8+0.18-0.50
Round 6M.LesniewskiR.Wijman – M.KoekenbierOpen10+19.9+1.99+1.90
Round 7M.LesniewskiS.Skorchev – B.PopovClosed10-6.7-0.67+0.90
Round 8M.LesniewskiJ.Dhondy – A.KayOpen10-9.7-0.97-3.00
Round 9M.LesniewskiP.Sussel – E.MauberquezClosed10+4.6+0.46+0.70
Round 10M.LesniewskiF.Filip – M.IonitaOpen10+6.6+0.66+1.30
Round 11M.LesniewskiC.Teodorescu – O.BessisOpen10-13.0-1.30+2.00
Round 12M.LesniewskiE.Aksuyek – A.GurselClosed10+27.7+2.77+7.70
Round 13M.LesniewskiF.Fantoni – C.NunesClosed10-9.1-0.91-1.60
Round 14M.LesniewskiC.Pellegrini – D.BrennerOpen10+9.1+0.91-0.90
Round 15M.LesniewskiT.Bakkeren – F.BakkerenOpen10-2.5-0.25-1.10

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
+9.4Round 8DHONDY163NT♣2+2+4
+9.3Round 14LARA185♣x♠A-1+12
+9.2Round 3PIE233NT♥7=+10
+9.0Round 6WIJMAN273NTx♦9=+4
+8.6Round 14LARA154♥x♠8-2+12
+8.2Round 14LARA204♥♠2=+1
+8.1Round 9PAYEN234♥♠7-2+13
+8.0Round 12BILAL306♥♦A-1+14
+6.6Round 12BILAL283NT♥A-2+8
+6.4Round 5PIGOT205♦♠9=+0
+6.0Round 10ROM COLDEA84♥♣2-2+11
+5.4Round 4CHINA OPEN71NT♥5-1+5
+4.9Round 12BILAL233♦♦4+1+10
+4.8Round 10ROM COLDEA24♥♠2-1+12
+4.7Round 6WIJMAN294♠♦J+1+0
+4.6Round 6WIJMAN214♠♦5=+7
+4.5Round 12BILAL221♥♠A+2+7
+4.4Round 2HET WITTE 2172♠♥7=+6
+4.3Round 8DHONDY192♠♦3+1+1
+4.2Round 10ROM COLDEA51NT♥2+1+5
+4.1Round 4CHINA OPEN106♠♦2=+0
+4.1Round 12BILAL262♠♣Q-1+6
+3.7Round 12BILAL296♥♦6=+13
+3.6Round 12BILAL254♥♦A-1+7
+3.5Round 5PIGOT193NT♠6-1+10
+3.4Round 3PIE222♥♦4-3+1
+3.2Round 6WIJMAN241NT♥4+1+7
+2.8Round 2HET WITTE 2112NT♠5-3+2
+2.8Round 4CHINA OPEN94♥♦A-1+6
+2.8Round 7DAMIANOVA105♦♥7+1+17
+2.7Round 5PIGOT142NT♠7+1+1
+2.7Round 6WIJMAN282♠♦2=+0
+2.7Round 10ROM COLDEA92♥♣6-2-1
+2.6Round 11LEROUMAIN BOYS163NT♠5-2+11
+2.4Round 9PAYEN273NT♥6+1+4
+2.3Round 7DAMIANOVA42♠♦A-1+5
+2.3Round 11LEROUMAIN BOYS134♥♥3+1+0
+2.2Round 15T ONSTEIN235♣♥7-1+6
+2.1Round 9PAYEN294♥♠J+1+0
+2.1Round 15T ONSTEIN274♠♣7+1+0
+2.0Round 8DHONDY123♠♥A=+0
+1.9Round 6WIJMAN252♥♣A-2+0
+1.9Round 10ROM COLDEA31NT♠2-1+4
+1.7Round 9PAYEN244♠♠7-2+5
+1.7Round 13ANGELINI41NT♠J-1-1
+1.7Round 13ANGELINI73♠♠7+1-1
+1.6Round 4CHINA OPEN83♦♠J-2+0
+1.2Round 15T ONSTEIN303NT♣8=-2
+1.1Round 6WIJMAN303♦♠6=+0
+1.1Round 7DAMIANOVA62NT♥9+2-3
+1.0Round 2HET WITTE 2185♦♥4-1+5
+1.0Round 10ROM COLDEA73♣♥6-1+1
+1.0Round 11LEROUMAIN BOYS204♠♦2+2+12
+1.0Round 15T ONSTEIN294♠♥5+1+0
+0.8Round 4CHINA OPEN35♦x♣Q-1+0
+0.7Round 5PIGOT113NT♥2+2+1
+0.6Round 4CHINA OPEN23♥♣J=+7
+0.6Round 9PAYEN224♥♠A=+1
+0.6Round 13ANGELINI31NT♦A-1-1
+0.5Round 7DAMIANOVA52♥♣5=+1
+0.4Round 8DHONDY113♦♠3=-1
+0.4Round 9PAYEN251NT♥K-1-2
+0.4Round 11LEROUMAIN BOYS153NT♦2+1+0
+0.4Round 13ANGELINI53NT♣2=-1
+0.4Round 15T ONSTEIN284♠♦Q=+1
+0.3Round 3PIE291NT♠6-1-1
+0.2Round 2HET WITTE 2165♠♥4-1+2
+0.2Round 2HET WITTE 2205♦x♣10-1-12
+0.2Round 7DAMIANOVA23NT♥3+2+1
+0.2Round 14LARA134♥♣A+1-13
+0.1Round 2HET WITTE 2143♠♣7-1+2
+0.1Round 14LARA194♠♣10+1+0
-0.0Round 5PIGOT124♥♦4+1+0
-0.0Round 10ROM COLDEA102♣♠2+2+0
-0.0Round 13ANGELINI22♥♦Q+2+8
+0.0Round 14LARA112♠♦A-1-2
-0.1Round 5PIGOT164♥♠7+2-1
-0.1Round 15T ONSTEIN224♠♦3=+0
-0.2Round 3PIE271NT♠2+1-1
-0.2Round 4CHINA OPEN54♥x♣K-1+5
-0.2Round 13ANGELINI81NT♦4-3+6
-0.2Round 15T ONSTEIN264♠♣J=+0
-0.3Round 13ANGELINI13NT♠5+1+1
-0.3Round 14LARA143NT♦4=-11
-0.4Round 4CHINA OPEN44♥♠9+1-1
-0.5Round 7DAMIANOVA33NT♥5+1-1
-0.5Round 8DHONDY154♠♠2+1+0
-0.6Round 9PAYEN284♥♣K+2+12
-0.7Round 7DAMIANOVA74♠♥K=+0
-0.7Round 10ROM COLDEA13NT♥2+2+0
-0.7Round 14LARA176♣♠9=+11
-0.8Round 3PIE242♠♥9-1+2
-0.8Round 12BILAL213NT♦5+2+12
-1.0Round 2HET WITTE 2123♥♥J=+0
-1.0Round 13ANGELINI93NT♠6+1-13
-1.2Round 2HET WITTE 2193♠♦K=+8
-1.2Round 8DHONDY172♠♥J-1-5
-1.3Round 3PIE215♣♠7=+0
-1.3Round 8DHONDY134♥♦2=-3
-1.4Round 15T ONSTEIN252♠♦K+1-10
-1.5Round 12BILAL274♥♣10+1+0
-1.7Round 6WIJMAN234♥♥5+1+0
-1.8Round 2HET WITTE 2133NT♠2+2-13
-1.8Round 2HET WITTE 2152NT♦A=+1
-1.8Round 11LEROUMAIN BOYS123♣♥3=-7
-1.9Round 11LEROUMAIN BOYS193NT♥2+3+11
-2.1Round 3PIE253♦♠4+1+0
-2.1Round 7DAMIANOVA93NT♥4=+0
-2.2Round 3PIE305♦♣J-2+0
-2.2Round 4CHINA OPEN64♠♥A+1+0
-2.3Round 5PIGOT133NT♣6+4-12
-2.4Round 15T ONSTEIN214♥♣7+1+0
-2.5Round 5PIGOT181NT♦A=+1
-2.5Round 6WIJMAN222♠♥7+1+7
-2.5Round 9PAYEN213♦♠A-1-1
-3.0Round 5PIGOT156♥♣J=+0
-3.1Round 6WIJMAN262♥♦A=-6
-3.2Round 9PAYEN302♠♣K-1-8
-3.2Round 10ROM COLDEA42♠♥2+1-7
-3.3Round 11LEROUMAIN BOYS175♥♣2-2-5
-3.3Round 11LEROUMAIN BOYS184♠♦2=-3
-3.4Round 4CHINA OPEN14♥x♥Q-1+0
-3.6Round 3PIE263♣♠K-4-6
-3.6Round 5PIGOT173NTx♦Q-1-5
-3.6Round 11LEROUMAIN BOYS143NT♥2=+1
-4.4Round 8DHONDY143NT♣6-3-6
-4.4Round 9PAYEN264♥♦10-1-17
-4.5Round 13ANGELINI104♠♥A-1-12
-5.1Round 7DAMIANOVA84♠♥K+2-11
-5.2Round 7DAMIANOVA13NT♦4+1+0
-5.3Round 15T ONSTEIN243♠♥5+2-6
-5.4Round 11LEROUMAIN BOYS116NT♥2=+0
-5.4Round 12BILAL246♠♦A=+0
-5.5Round 3PIE284♥♠K-1-8
-6.2Round 14LARA164♥x♠A-1-9
-7.5Round 13ANGELINI64♠x♣A-2-2
-8.5Round 8DHONDY184♠x♥8+1-8
-9.9Round 8DHONDY204♥♣9-1-12
-10.1Round 10ROM COLDEA62♣x♥6-4-12
-10.1Round 14LARA125♣♠5=-10