ZATORSKI Piotr · ALTSHULER

30rank
+71.3Butler · 112 bds
+0.64per board
±4.0swing
+0.21vs par /bd · #75/183
+0.89adjusted /bd
Butler per round: 14.8 -16.1 8 14.9 11.2 13.4 22 3.1by round

vs par split: bidding +0.06 · play +0.15

Strength of schedule: opponents averaged +0.26/bd (a tough draw) → opponent-adjusted +0.89/bd

Card play — on target: opening leads 94.7% #9 of 183 · declarer play 93.8% #6 of 183 · defence 87.3% #57 of 183

Bidding activity — not a pass: 44.8% #69 of 183 (142/317)

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (8)90.9% (11)
Declarer play83.3% (12)100.0% (20)
Defence80.0% (20)91.4% (35)

Opening leads by suit led: ♠ 100.0% (7) · ♥ 100.0% (5) · ♦ 50.0% (2) · ♣ 100.0% (5)

vs par by strain: NT +1.37 (41) · a suit -0.45 (71)

vs par by level: part-score -0.19 (37) · game +0.56 (68) · slam -1.00 (7)

By role: declaring +0.55/bd (-2.68 vs par · 57) · defending +0.73/bd (+3.22 vs par · 55)

By vulnerability: vulnerable +0.06/bd (-0.14 vs par · 56) · not vulnerable +1.22/bd (+0.57 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1R.PachtmanK.Rubins – E.OllaClosed14+14.8+1.06+2.57
Round 2R.PachtmanM.Klukowski – J.KalitaClosed14-16.1-1.15+0.86
Round 3R.PachtmanL.Rombaut – P.ChottinClosed14+8.0+0.57-2.50
Round 4R.PachtmanM.Rimstedt – J.GrueOpen14+14.9+1.06-1.93
Round 5R.PachtmanT.Sielicki – D.KowalskiClosed14+11.2+0.80-0.79
Round 6R.PachtmanA.Kalish – N.GrinbergOpen14+13.4+0.96+0.00
Round 7R.PachtmanW.Olanski – V.VainikonisClosed14+22.0+1.57+3.21
Round 8R.PachtmanK.Nandi – S.RoyClosed14+3.1+0.22+0.29

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
+15.1Round 4CRESTA RUN234NTx♣3-5+15
+10.6Round 7BRIDGESCANNER65♦x♣A-2+8
+8.7Round 5FAJERWERKI23NT♠6-1+10
+8.1Round 1LATVIA63NT♥J-3+9
+8.1Round 8FORMIDABLES186♥♣5=+8
+7.6Round 6KALISH173NT♦4-1+4
+7.3Round 5FAJERWERKI143♣x♥A-3+3
+7.1Round 1LATVIA93♥x♣A-3+12
+6.9Round 4CRESTA RUN215♥♣9=+4
+6.8Round 7BRIDGESCANNER14♣x♣7-3+12
+6.4Round 6KALISH183NT♣T+1+0
+5.9Round 3FRANCE GREEN16♣♠4=-2
+5.7Round 8FORMIDABLES252♠♥K+1+10
+4.9Round 4CRESTA RUN175♦♣T+1-1
+4.8Round 2ZIMMERMANN244♠♦Q-3+6
+4.7Round 3FRANCE GREEN73NT♦7+2+0
+4.5Round 6KALISH195♣x♠K=+4
+4.2Round 2ZIMMERMANN206♣♠A=+0
+4.2Round 6KALISH264♠♣K-3+5
+3.8Round 3FRANCE GREEN114♠x♥4-1+6
+3.5Round 2ZIMMERMANN193NT♠Q-2+8
+3.5Round 3FRANCE GREEN63NT♠9-1+5
+3.4Round 3FRANCE GREEN103NT♠T+1-10
+3.4Round 8FORMIDABLES163NT♠T=+5
+3.3Round 1LATVIA101NT♦6-2+2
+3.3Round 4CRESTA RUN224♥♥7=+0
+3.2Round 8FORMIDABLES284♠♥9=+3
+3.0Round 7BRIDGESCANNER101NT♥K+1+0
+3.0Round 8FORMIDABLES273♦♥J-1+4
+2.8Round 1LATVIA12♠♠7+2+1
+2.8Round 7BRIDGESCANNER33NT♥5=+7
+2.7Round 2ZIMMERMANN272♥x♠2-1-1
+2.6Round 6KALISH202♥♠9+1+0
+2.5Round 7BRIDGESCANNER131NT♥7=+5
+2.5Round 7BRIDGESCANNER144♥♣A+1+0
+2.3Round 5FAJERWERKI43NT♥6+2+1
+2.3Round 7BRIDGESCANNER25♦♣6+1+15
+2.1Round 1LATVIA133NT♥A-1+12
+2.1Round 1LATVIA141NT♣A+2-6
+1.6Round 3FRANCE GREEN133♦♠A-2+2
+1.2Round 3FRANCE GREEN54♠♦K=+0
+1.2Round 8FORMIDABLES193NT♠J+3-11
+1.2Round 8FORMIDABLES243NT♠5+1+1
+1.1Round 1LATVIA111NT♦6+2+1
+1.1Round 5FAJERWERKI53NT♥2+1+1
+1.1Round 7BRIDGESCANNER53NT♥6+3+11
+0.8Round 4CRESTA RUN192♥♦A+2-6
+0.8Round 6KALISH274♥♦3+1+0
+0.7Round 4CRESTA RUN244♠♣Q=-1
+0.7Round 4CRESTA RUN273NT♣5+3-11
+0.6Round 1LATVIA34♥♣6-1+12
+0.6Round 6KALISH256NT♦3=+0
+0.5Round 5FAJERWERKI64♠♦J+1+0
+0.5Round 6KALISH224♠♥5+1+0
+0.5Round 7BRIDGESCANNER112♠♦Q=+0
+0.2Round 5FAJERWERKI111NT♠9+3-6
+0.2Round 8FORMIDABLES204♠♦4-1+7
+0.1Round 5FAJERWERKI123♠♣J+1-10
+0.0Round 6KALISH151NT♣Q+2+6
+0.0Round 8FORMIDABLES213NT♥5+1+0
-0.1Round 1LATVIA84♠♣Q=+1
-0.1Round 4CRESTA RUN263NT♦J+1-1
-0.2Round 4CRESTA RUN164♥♣A+1+0
-0.2Round 5FAJERWERKI34♠♥7=+1
-0.2Round 5FAJERWERKI134♥♥9=+0
-0.3Round 3FRANCE GREEN24♠♣Q+2-12
-0.4Round 1LATVIA23♠♦6=+0
-0.4Round 2ZIMMERMANN263♥♠A-1+5
-0.4Round 6KALISH163♦♥J=+1
-0.5Round 4CRESTA RUN282♠♥5-1-1
-0.5Round 7BRIDGESCANNER44♠♣A-1-5
-0.6Round 4CRESTA RUN251NT♣5+1-1
-0.6Round 5FAJERWERKI73♣♥K+1+0
-0.7Round 1LATVIA43♥♦J-1+1
-0.7Round 2ZIMMERMANN253NT♠2+2+0
-0.8Round 5FAJERWERKI101NT♠J+2+10
-0.9Round 3FRANCE GREEN34♣♠A-1-1
-1.1Round 2ZIMMERMANN174♠♦7=+11
-1.1Round 3FRANCE GREEN42♥♦A+1-1
-1.1Round 6KALISH234♥♠A=+0
-1.2Round 3FRANCE GREEN142♥♣3+2-6
-1.2Round 4CRESTA RUN154♥♠7+1-6
-1.2Round 7BRIDGESCANNER122♥♠2+1-10
-1.6Round 2ZIMMERMANN283NT♠4=-13
-1.7Round 7BRIDGESCANNER74♥♦Q+2-2
-1.8Round 5FAJERWERKI84♠♥4=-3
-2.1Round 3FRANCE GREEN83♠♥T+2-6
-2.1Round 5FAJERWERKI93♦♠7+1-7
-2.1Round 6KALISH244♠♦7=-8
-2.1Round 7BRIDGESCANNER83NT♠7+1+10
-2.3Round 2ZIMMERMANN152♥♠2+1-1
-2.3Round 2ZIMMERMANN226♠♠A=+0
-2.3Round 3FRANCE GREEN122♠♥A+1+0
-2.9Round 8FORMIDABLES223NT♠4-1+5
-3.1Round 8FORMIDABLES153NT♥A+1+0
-3.2Round 6KALISH215♣♠K-2+0
-3.3Round 4CRESTA RUN184♥♥T-1-5
-3.3Round 5FAJERWERKI15♠♥8=-11
-3.6Round 1LATVIA54♦♥9-1-9
-3.7Round 1LATVIA77NT♣K=+0
-3.9Round 1LATVIA123NT♣J+2+0
-3.9Round 8FORMIDABLES262♥♣9-2-10
-4.6Round 7BRIDGESCANNER94♠x♥J-1-6
-5.2Round 2ZIMMERMANN234♥♠7=+0
-5.3Round 2ZIMMERMANN163NT♣5+1+0
-5.7Round 2ZIMMERMANN183NT♥3+1+0
-5.7Round 8FORMIDABLES174♥♣3-2-11
-6.7Round 2ZIMMERMANN213NT♦4-2-3
-7.0Round 6KALISH284♥♠5-1-12
-7.3Round 8FORMIDABLES234♠x♥K=-7
-8.2Round 3FRANCE GREEN93NT♦Q-1-10
-11.6Round 4CRESTA RUN206♥♠T-1-13