GU J. – CHEN D. — Open Pairs

Katowice 2026 · 🇺🇸GU J. – 🇯🇵CHEN D. · standing
All championships Katowice 2026 Open Teams Women Teams Senior Teams Mixed Teams Jacek Pszczoła Swiss Cup Qualification Barbados Swiss Cup BAM First Week BAM Second Week Session 1 Barbados Swiss Cup SF Barbados Swiss Cup Final Jacek Pszczola Swiss Cup SF Jacek Pszczola Swiss Cup BAM Final A Session 1 BAM Final B Session 1 BAM Final A BAM Final B BAM Second Week Session 7 Mixed Pairs Open Pairs President's Cup Senior Pairs WBF Cup Women's Pairs
Stage#BdsMP%TopsBottoms
Semifinal A91482526.8546.96%45

By session

SessionBdsMP%TopsBottoms
Semifinal A · session 416844.9347.15%12
Semifinal A · session 516628.2135.06%02
Semifinal A · session 6161053.7158.80%31

Card play

Against parBoards
-7.78%45
PlayerLeadsnDeclarernDefencen
🇺🇸GU J.85.7%780.0%1582.4%17
🇯🇵CHEN D.70.0%1076.9%1382.4%17

Double-dummy is idealised — the true best play needs all four hands — so read these as tendencies, not verdicts. Leads, declarer play and defence are charged to the player: where a protocol says a pair sat N-S its first name sat North and its second South, E-W the same, and the declarer's seat does the rest. Against par is a pair result, so it stays with the pair.

Semifinal A · session 4 — 47.15%

BdSatOpponentsContByLeadResScoreMP%
17E-W🇵🇱BARTKOWSKI M. – 🇵🇱PAWLAK A.2NTN♣3=-12036.3132.4play →
18E-W🇵🇱BARTKOWSKI M. – 🇵🇱PAWLAK A.1NTxxE♦3=560111.98100.0play →
19E-W🇳🇿MEIER L. – 🇳🇿ZHENG L.3NTW♥2+369073.3065.4play →
20E-W🇳🇿MEIER L. – 🇳🇿ZHENG L.1♥E♠K=8088.5779.1play →
21E-W🇱🇹GIERULSKI B. – 🇱🇹SKRZYPCZAK J.2♥W♦7+32007.146.4play →
22E-W🇱🇹GIERULSKI B. – 🇱🇹SKRZYPCZAK J.4♥N♠T+1-45023.4320.9play →
23E-W🇮🇹CAMMARATA M. – 🇮🇹VALSEGA C.5♠W♥9+271099.7789.1play →
24E-W🇮🇹CAMMARATA M. – 🇮🇹VALSEGA C.3♥xE♦K-2-3000.020.0play →
25E-W🇵🇱JANISZEWSKI P. – 🇵🇱KOWALSKI D.3♦N♣8-210050.9145.5play →
26E-W🇵🇱JANISZEWSKI P. – 🇵🇱KOWALSKI D.Adj.-6067.2060.0play →
27E-W🇵🇱MATKOWSKI P. – 🇵🇱SLIWON K.3NTS♠J=-40056.0050.0play →
28E-W🇵🇱MATKOWSKI P. – 🇵🇱SLIWON K.3♠xW♠5-2-30023.4320.9play →
29E-W🇵🇱SZEWCZYK P. – 🇵🇱DOMINIK M.3♥E♠7-1-10018.6916.7play →
30E-W🇵🇱SZEWCZYK P. – 🇵🇱DOMINIK M.2NTE♦3=12029.5426.4play →
31E-W🇵🇱CIECHOMSKI J. – 🇵🇱ZAWADA P.2♠W♥K+114081.9173.1play →
32E-W🇵🇱CIECHOMSKI J. – 🇵🇱ZAWADA P.5♣N♠3=-40076.7368.5play →

Semifinal A · session 5 — 35.06%

BdSatOpponentsContByLeadResScoreMP%
17E-W🇵🇱WITTENBECK P. – 🇵🇱ILCZUK P.3NTS♥Q-1507.146.4play →
18E-W🇵🇱WITTENBECK P. – 🇵🇱ILCZUK P.3NTE♥Q-1-5025.4622.7play →
19E-W🇱🇻SMILGAJS A. – 🇱🇻GESTE A.3NTW♥2+266076.7668.5play →
20E-W🇱🇻SMILGAJS A. – 🇱🇻GESTE A.3NTS♥7+3-69022.8420.4play →
21E-W🇬🇷ANGELOPOULOS P. – 🇬🇷BALOKAS D.1♠N♣6+1-11017.3215.5play →
22E-W🇬🇷ANGELOPOULOS P. – 🇬🇷BALOKAS D.4♠E♦8+165057.0250.9play →
23E-W🇮🇱SABBAH O. – 🇮🇱SLIWOWICZ Y.4♦xW♥K-1-20089.5980.0play →
24E-W🇮🇱SABBAH O. – 🇮🇱SLIWOWICZ Y.5♥W♣J-1-504.183.7play →
25E-W🇳🇱BAKKEREN T. – 🇳🇱BAKKEREN F.7♥N♣6=-151047.8642.7play →
26E-W🇳🇱BAKKEREN T. – 🇳🇱BAKKEREN F.3NTS♥3=-60025.4622.7play →
27E-W🇵🇱WANIURSKI P. – 🇵🇱KRAWCZYK M.6♠E♦A-1-5032.5929.1play →
28E-W🇵🇱WANIURSKI P. – 🇵🇱KRAWCZYK M.4♠S♦6+1-65015.2913.7play →
29E-W🇺🇸XIAO B. – 🇺🇸DUFFIE C.3♦W♠Q=11087.5578.2play →
30E-W🇺🇸XIAO B. – 🇺🇸DUFFIE C.3♠E♥K+220034.6330.9play →
31E-W🇪🇸KNAP A. – 🇪🇸CARRASCO G.4♥E♦A+145034.6330.9play →
32E-W🇪🇸KNAP A. – 🇪🇸CARRASCO G.4♥E♣5+165049.8944.5

Semifinal A · session 6 — 58.80%

BdSatOpponentsContByLeadResScoreMP%
1N-S🇭🇷ZORIC V. – 🇭🇷MARINOVSKI K.3NTE♣4-3150106.8995.4play →
2N-S🇭🇷ZORIC V. – 🇭🇷MARINOVSKI K.3♠xS♣6=730108.9397.3play →
3N-S🇵🇱KOZIKOWSKI A. – 🇵🇱BARANKIEWICZ R.2♥xW♦J-1200109.9598.2play →
4N-S🇵🇱KOZIKOWSKI A. – 🇵🇱BARANKIEWICZ R.4♦S♥A-2-20012.2310.9play →
5N-S🇸🇮GANTAR M. – 🇸🇮DRNOVSEK T.3♦E♠A=-11078.8070.4play →
6N-S🇸🇮GANTAR M. – 🇸🇮DRNOVSEK T.1NTE♥2+2-15016.6214.8play →
7N-S🇵🇱CHODOROWSKA I. – 🇵🇱CHODOROWSKI J.4♣xS♠A-3-8008.337.4play →
8N-S🇵🇱CHODOROWSKA I. – 🇵🇱CHODOROWSKI J.6♣N♠K+194059.1152.8play →
9N-S🇷🇸ZIPOVSKI D. – 🇷🇸RADISIC G.3♠E♣3=-14050.9145.5play →
10N-S🇷🇸ZIPOVSKI D. – 🇷🇸RADISIC G.3♦N♥K+113076.3668.2play →
11N-S🇳🇱VAN OOSTEN S. – 🇳🇱SPRINKHUIZEN T.3NTN♦2+143095.7085.4play →
12N-S🇳🇱VAN OOSTEN S. – 🇳🇱SPRINKHUIZEN T.4♠S♦Q+371093.6683.6play →
13N-S🇵🇱KAPALA S. – 🇵🇱MADRY P.2♥N♦Q=11070.2562.7play →
14N-S🇵🇱KAPALA S. – 🇵🇱MADRY P.3♣N♣T+317033.6130.0play →
15N-S🇵🇱CYRKIEL M. – 🇵🇱MICHALSKI M.5♣E♥9+1-42050.9145.5play →
16N-S🇵🇱CYRKIEL M. – 🇵🇱MICHALSKI M.4♦S♠8=13081.4572.7