RONG Ren Jie · ZHANG
261rank
+16.2Butler · 90 bds
+0.18per board
±4.2swing
+0.87vs par /bd · #75/672
+0.15adjusted /bd
by round
vs par split: bidding +0.54 · play +0.51
Strength of schedule: opponents averaged -0.03/bd (an average draw) → opponent-adjusted +0.15/bd
Card play — on target: opening leads 86.7% #192 of 671 · declarer play 85.7% #149 of 671 · defence 84.4% #359 of 672
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 86.7% (15) |
| Declarer play | · | 85.7% (21) |
| Defence | · | 84.4% (32) |
Opening leads by suit led: ♥ 66.7% (3) · ♦ 100.0% (6) · ♣ 83.3% (6)
vs par by strain: a suit +1.04 (67)
vs par by level: part-score +0.36 (25) · game +0.51 (35) · slam +6.14 (7)
By role: declaring +0.75/bd (-0.74 vs par · 46) · defending -0.42/bd (+2.54 vs par · 44)
By vulnerability: vulnerable +0.12/bd (-0.31 vs par · 52) · not vulnerable +0.26/bd (+2.47 vs par · 38)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | D.Yong | M.Naniwada – M.Naniwada | Closed | 10 | -22.3 | -2.23 | -1.30 |
| Round 5 | CHEN M. Z. | T.Sadek – A.Hussein | Closed | 10 | -11.6 | -1.16 | -0.30 |
| Round 6 | R.Zhang | H.Li – J.Lv | Open | 10 | +15.7 | +1.57 | +2.60 |
| Round 7 | M.Cao | C.Chen – Y.Chu | Open | 10 | +17.6 | +1.76 | +1.10 |
| Round 11 | M.Cao | Z.Chen – W.Tu | Closed | 10 | -3.5 | -0.35 | -0.20 |
| Round 12 | M.Cao | U.Kratz – B.Strater | Open | 10 | -7.9 | -0.79 | +0.20 |
| Round 13 | M.Cao | S.Shao – N.Liu | Closed | 10 | +18.1 | +1.81 | +5.20 |
| Round 14 | M.Cao | Y.Wang – W.Chen | Open | 10 | +20.2 | +2.02 | +0.40 |
| Round 15 | M.Cao | V.Tatarkin – E.Shanurin | Open | 10 | -10.1 | -1.01 | +0.10 |
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.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +12.9 | Round 14 | HUBEIXINYI CLUB | 19 | 2♥x | ♥2 | = | +11 |
| +10.4 | Round 13 | SHANGHAI KEJU | 5 | 6♦ | ♣K | -1 | +16 |
| +9.0 | Round 7 | CHEN | 5 | 5♠x | ♦Q | = | +10 |
| +8.7 | Round 7 | CHEN | 8 | 5♦x | ♥Q | = | +6 |
| +8.4 | Round 13 | SHANGHAI KEJU | 10 | 3N | ♣A | = | +10 |
| +6.5 | Round 3 | NANIWADA | 30 | 3N | ♣9 | -1 | +12 |
| +6.3 | Round 12 | GERMANY SENIORS 1 | 21 | 4♥ | ♣2 | = | +8 |
| +5.4 | Round 12 | GERMANY SENIORS 1 | 24 | 2♠ | ♦4 | +1 | +0 |
| +5.3 | Round 6 | NINGBOYONGGUAN | 21 | 6♥ | ♣A | -1 | +11 |
| +5.0 | Round 6 | NINGBOYONGGUAN | 22 | 3♦ | ♥Q | = | +0 |
| +4.8 | Round 14 | HUBEIXINYI CLUB | 18 | 2♣ | ♠A | -1 | +9 |
| +4.6 | Round 13 | SHANGHAI KEJU | 4 | 4♠ | ♣J | +1 | +0 |
| +4.5 | Round 13 | SHANGHAI KEJU | 6 | 6♣ | ♦2 | -1 | +14 |
| +4.4 | Round 15 | MOSCOW | 25 | 6♠ | ♥Q | -1 | +16 |
| +4.2 | Round 11 | XIAMEN | 11 | 3N | ♥2 | +2 | +1 |
| +4.1 | Round 6 | NINGBOYONGGUAN | 29 | 3♠ | ♥J | -3 | +5 |
| +2.8 | Round 6 | NINGBOYONGGUAN | 25 | 3♦ | ♥K | = | +6 |
| +2.8 | Round 14 | HUBEIXINYI CLUB | 20 | 4♠ | ♠6 | = | +0 |
| +2.4 | Round 14 | HUBEIXINYI CLUB | 16 | 4♠ | ♦J | = | +0 |
| +2.3 | Round 5 | HUSSEIN-CHAGAS | 18 | 4♠ | ♣A | -1 | +5 |
| +2.3 | Round 14 | HUBEIXINYI CLUB | 17 | 1Nx | ♠4 | = | +2 |
| +2.2 | Round 3 | NANIWADA | 24 | 2♣ | ♥10 | -1 | +3 |
| +2.2 | Round 14 | HUBEIXINYI CLUB | 12 | 1N | ♠4 | -1 | +5 |
| +2.0 | Round 6 | NINGBOYONGGUAN | 26 | 4♠ | ♥Q | +1 | +5 |
| +2.0 | Round 11 | XIAMEN | 14 | 5♦ | ♥K | = | -14 |
| +1.9 | Round 5 | HUSSEIN-CHAGAS | 15 | 4♥ | ♠K | +1 | +11 |
| +1.9 | Round 15 | MOSCOW | 26 | 2♠ | ♣9 | +1 | +0 |
| +1.6 | Round 11 | XIAMEN | 12 | 2♠ | ♣8 | +1 | +10 |
| +1.6 | Round 14 | HUBEIXINYI CLUB | 11 | 4♠ | ♥A | -2 | +5 |
| +1.3 | Round 11 | XIAMEN | 17 | 4♥ | ♣K | -1 | +4 |
| +1.3 | Round 13 | SHANGHAI KEJU | 7 | 4♥ | ♠7 | +1 | +0 |
| +1.2 | Round 5 | HUSSEIN-CHAGAS | 16 | 1N | ♠6 | = | +2 |
| +1.2 | Round 11 | XIAMEN | 19 | 4♠ | ♣J | +1 | +1 |
| +1.2 | Round 13 | SHANGHAI KEJU | 1 | 4♠ | ♦J | = | +0 |
| +1.2 | Round 15 | MOSCOW | 23 | 2♦ | ♥Q | -1 | +5 |
| +1.0 | Round 6 | NINGBOYONGGUAN | 28 | 3N | ♦2 | +1 | +1 |
| +1.0 | Round 7 | CHEN | 2 | 2♠ | ♠5 | -1 | -1 |
| +1.0 | Round 15 | MOSCOW | 29 | 4♠ | ♣A | = | +0 |
| +0.9 | Round 7 | CHEN | 6 | 4♥ | ♥J | +1 | +0 |
| +0.8 | Round 7 | CHEN | 4 | 4♥ | ♠9 | +1 | +0 |
| +0.8 | Round 12 | GERMANY SENIORS 1 | 25 | 3N | ♥5 | +2 | +6 |
| +0.7 | Round 7 | CHEN | 10 | 3♥ | ♣Q | = | +0 |
| +0.6 | Round 5 | HUSSEIN-CHAGAS | 20 | 4♠ | ♣A | = | -1 |
| +0.5 | Round 3 | NANIWADA | 29 | 5♦ | ♠10 | = | -2 |
| +0.5 | Round 12 | GERMANY SENIORS 1 | 23 | 3N | ♠A | -1 | +6 |
| +0.5 | Round 15 | MOSCOW | 28 | 2♣ | ♠3 | -2 | +2 |
| +0.3 | Round 3 | NANIWADA | 21 | 2N | ♣10 | = | +1 |
| +0.2 | Round 5 | HUSSEIN-CHAGAS | 12 | 1♠ | ♣J | +1 | +0 |
| +0.2 | Round 6 | NINGBOYONGGUAN | 27 | 4♥ | ♦K | -1 | +5 |
| +0.2 | Round 13 | SHANGHAI KEJU | 3 | 3N | ♦10 | +1 | +1 |
| +0.2 | Round 15 | MOSCOW | 22 | 4♠ | ♠2 | +1 | +5 |
| +0.1 | Round 7 | CHEN | 1 | 4♥ | ♦8 | = | +1 |
| +0.1 | Round 7 | CHEN | 9 | 4♥ | ♣6 | +1 | +11 |
| +0.1 | Round 11 | XIAMEN | 20 | 3N | ♠5 | +3 | +13 |
| +0.0 | Round 13 | SHANGHAI KEJU | 9 | 4♠ | ♠2 | +1 | +0 |
| -0.4 | Round 6 | NINGBOYONGGUAN | 30 | 3N | ♠2 | -1 | -5 |
| -0.5 | Round 3 | NANIWADA | 27 | 4♠ | ♠3 | -2 | +1 |
| -0.8 | Round 12 | GERMANY SENIORS 1 | 22 | 3♦ | ♥2 | +1 | +0 |
| -1.2 | Round 5 | HUSSEIN-CHAGAS | 17 | 2♠ | ♣5 | -1 | +2 |
| -1.2 | Round 6 | NINGBOYONGGUAN | 23 | 2♥ | ♦4 | +2 | -1 |
| -1.2 | Round 11 | XIAMEN | 13 | 2♥ | ♣3 | = | -1 |
| -1.3 | Round 5 | HUSSEIN-CHAGAS | 11 | 2♠ | ♦A | = | -5 |
| -1.7 | Round 3 | NANIWADA | 22 | 3N | ♣8 | +2 | +4 |
| -1.8 | Round 7 | CHEN | 3 | 2♦ | ♣5 | -1 | -10 |
| -1.9 | Round 7 | CHEN | 7 | 4♠ | ♥6 | -1 | -6 |
| -2.1 | Round 15 | MOSCOW | 27 | 2♥ | ♥2 | +1 | +0 |
| -2.2 | Round 14 | HUBEIXINYI CLUB | 14 | 4♠ | ♦7 | +2 | -14 |
| -2.5 | Round 5 | HUSSEIN-CHAGAS | 19 | 4♣ | ♠A | = | -1 |
| -2.7 | Round 14 | HUBEIXINYI CLUB | 15 | 1Nx | ♠3 | -1 | -5 |
| -2.8 | Round 12 | GERMANY SENIORS 1 | 26 | 1N | ♦5 | +1 | -6 |
| -2.9 | Round 11 | XIAMEN | 15 | 4♠ | ♣A | -1 | +2 |
| -3.0 | Round 11 | XIAMEN | 18 | 3N | ♠3 | -2 | -5 |
| -3.1 | Round 6 | NINGBOYONGGUAN | 24 | 1N | ♠K | +2 | -1 |
| -3.1 | Round 12 | GERMANY SENIORS 1 | 27 | 4♥ | ♦Q | +1 | +5 |
| -3.2 | Round 5 | HUSSEIN-CHAGAS | 14 | 4♠ | ♣7 | -1 | -4 |
| -3.5 | Round 12 | GERMANY SENIORS 1 | 29 | 2♠ | ♦K | = | -5 |
| -3.9 | Round 14 | HUBEIXINYI CLUB | 13 | 5♠x | ♣K | = | -9 |
| -4.1 | Round 12 | GERMANY SENIORS 1 | 30 | 3N | ♦5 | -3 | -7 |
| -4.1 | Round 13 | SHANGHAI KEJU | 2 | 4♥ | ♦8 | +1 | +0 |
| -5.0 | Round 15 | MOSCOW | 24 | 3Nx | ♥2 | -2 | -9 |
| -5.8 | Round 15 | MOSCOW | 21 | 3N | ♥2 | -2 | -6 |
| -6.3 | Round 3 | NANIWADA | 28 | 3N | ♥Q | +1 | -5 |
| -6.4 | Round 15 | MOSCOW | 30 | 4♥ | ♠6 | -2 | -12 |
| -6.5 | Round 3 | NANIWADA | 25 | 3N | ♠7 | -2 | -7 |
| -6.6 | Round 12 | GERMANY SENIORS 1 | 28 | 4♠ | ♦K | = | -5 |
| -6.8 | Round 11 | XIAMEN | 16 | 6♠ | ♣9 | -1 | -13 |
| -7.6 | Round 3 | NANIWADA | 23 | 3♥ | ♣A | -2 | -10 |
| -8.4 | Round 13 | SHANGHAI KEJU | 8 | 6♠ | ♦Q | = | +11 |
| -9.2 | Round 3 | NANIWADA | 26 | 3♦ | ♣K | +1 | -10 |
| -9.6 | Round 5 | HUSSEIN-CHAGAS | 13 | 6♣ | ♠5 | -3 | -12 |