Avatar of Ziwen Zhou

Ziwen Zhou NM

3ptdka Philadelphia Since 2011 (Active) Chess.com ♟♟♟♟♟♟
45.9%- 45.4%- 8.7%
Bullet 2700
1812W 1649L 225D
Blitz 2806
10073W 10112L 2038D
Rapid 2528
60W 69L 15D
Daily 2015
151W 119L 17D

Ratings Overview

Bullet
Current 2700
Peak 2700 Apr 2026
6mo 38
12mo 37
Blitz
Current 2806
Peak 2806 Apr 2026
6mo 98
12mo 82
Rapid
Current 2528
Peak 2528 Apr 2026
6mo 68
12mo 113
Daily
Current 2015
Peak 2015 Dec 2018
6mo 163
12mo 163

Rating History

29402420190013808602011 Avg: 1697 | Min: 1100 | Max: 1771 Games: 283 | W: 123 L: 145 D: 152012 Avg: 1668 | Min: 1604 | Max: 1733 Games: 245 | W: 124 L: 113 D: 82013 Avg: 1764 | Min: 1572 | Max: 1846 Games: 78 | W: 51 L: 23 D: 42014 Avg: 1786 | Min: 1593 | Max: 1878 Games: 138 | W: 92 L: 42 D: 42015 Avg: 1838 | Min: 1784 | Max: 1888 Games: 45 | W: 26 L: 18 D: 12016 Avg: 1926 | Min: 1758 | Max: 2065 Games: 100 | W: 60 L: 38 D: 22017 Avg: 1982 | Min: 1961 | Max: 2054 Games: 54 | W: 30 L: 21 D: 32018 Avg: 2295 | Min: 2072 | Max: 2397 Games: 451 | W: 208 L: 209 D: 342019 Avg: 2322 | Min: 2144 | Max: 2441 Games: 705 | W: 318 L: 345 D: 422020 Avg: 2260 | Min: 2157 | Max: 2416 Games: 115 | W: 48 L: 61 D: 62021 Avg: 2427 | Min: 2321 | Max: 2539 Games: 1085 | W: 573 L: 431 D: 812022 Avg: 2473 | Min: 2445 | Max: 2524 Games: 23 | W: 11 L: 10 D: 22023 Avg: 2576 | Min: 2485 | Max: 2622 Games: 91 | W: 55 L: 33 D: 32024 Avg: 2627 | Min: 2580 | Max: 2685 Games: 109 | W: 42 L: 53 D: 142025 Avg: 2668 | Min: 2662 | Max: 2671 Games: 3 | W: 1 L: 1 D: 12026 Avg: 2678 | Min: 2655 | Max: 2700 Games: 24 | W: 12 L: 10 D: 2201120132015201720192021202320252026BulletRange
30762491190513197332011 Avg: 1705 | Min: 1003 | Max: 1844 Games: 373 | W: 131 L: 223 D: 192012 Avg: 1725 | Min: 1686 | Max: 1775 Games: 53 | W: 21 L: 30 D: 22013 Avg: 1774 | Min: 1708 | Max: 1849 Games: 73 | W: 44 L: 27 D: 22014 Avg: 1882 | Min: 1802 | Max: 1964 Games: 58 | W: 29 L: 28 D: 12015 Avg: 2061 | Min: 1796 | Max: 2156 Games: 450 | W: 227 L: 199 D: 242016 Avg: 2116 | Min: 2031 | Max: 2179 Games: 268 | W: 140 L: 112 D: 162017 Avg: 2246 | Min: 2107 | Max: 2379 Games: 1884 | W: 855 L: 905 D: 1242018 Avg: 2326 | Min: 2187 | Max: 2477 Games: 2252 | W: 1033 L: 1072 D: 1472019 Avg: 2431 | Min: 2281 | Max: 2586 Games: 2008 | W: 889 L: 945 D: 1742020 Avg: 2439 | Min: 2327 | Max: 2588 Games: 1916 | W: 936 L: 844 D: 1362021 Avg: 2521 | Min: 2335 | Max: 2685 Games: 3534 | W: 1745 L: 1454 D: 3352022 Avg: 2558 | Min: 2410 | Max: 2703 Games: 2172 | W: 1011 L: 930 D: 2312023 Avg: 2605 | Min: 2439 | Max: 2740 Games: 4180 | W: 1795 L: 1899 D: 4862024 Avg: 2667 | Min: 2533 | Max: 2796 Games: 1629 | W: 661 L: 781 D: 1872025 Avg: 2685 | Min: 2567 | Max: 2796 Games: 424 | W: 172 L: 211 D: 412026 Avg: 2729 | Min: 2623 | Max: 2806 Games: 939 | W: 382 L: 438 D: 119201120132015201720192021202320252026BlitzRange
268823401992164412962011 Avg: 1550 | Min: 1456 | Max: 1643 Games: 23 | W: 8 L: 15 D: 02012 Avg: 1578 | Min: 1545 | Max: 1622 Games: 19 | W: 6 L: 11 D: 22013 Avg: 1537 | Min: 1498 | Max: 1571 Games: 5 | W: 4 L: 1 D: 02015 Avg: 1649 | Min: 1649 | Max: 1649 Games: 1 | W: 0 L: 1 D: 02019 Avg: 1978 | Min: 1936 | Max: 2021 Games: 2 | W: 1 L: 0 D: 12020 Avg: 2124 | Min: 1882 | Max: 2453 Games: 12 | W: 9 L: 3 D: 02021 Avg: 2377 | Min: 2321 | Max: 2414 Games: 7 | W: 4 L: 1 D: 22022 Avg: 2414 | Min: 2414 | Max: 2414 Games: 1 | W: 1 L: 0 D: 02023 Avg: 2414 | Min: 2414 | Max: 2414 Games: 1 | W: 1 L: 0 D: 02024 Avg: 2420 | Min: 2415 | Max: 2424 Games: 4 | W: 2 L: 2 D: 02025 Avg: 2449 | Min: 2415 | Max: 2460 Games: 28 | W: 15 L: 8 D: 52026 Avg: 2496 | Min: 2468 | Max: 2528 Games: 16 | W: 9 L: 3 D: 4201120122013201520192020202120222023202420252026RapidRange
21371873160813431078Q1 2011 Avg: 1200 | Min: 1200 | Max: 1200 Games: 1 | W: 0 L: 1 D: 0Q1 2014 Avg: 1643 | Min: 1386 | Max: 1745 Games: 27 | W: 17 L: 7 D: 3Q2 2014 Avg: 1818 | Min: 1718 | Max: 1861 Games: 57 | W: 41 L: 15 D: 1Q3 2014 Avg: 1778 | Min: 1731 | Max: 1859 Games: 103 | W: 52 L: 45 D: 6Q4 2014 Avg: 1711 | Min: 1665 | Max: 1774 Games: 40 | W: 2 L: 38 D: 0Q3 2015 Avg: 1712 | Min: 1648 | Max: 1762 Games: 37 | W: 24 L: 9 D: 4Q4 2015 Avg: 1830 | Min: 1773 | Max: 1869 Games: 11 | W: 8 L: 2 D: 1Q1 2016 Avg: 1894 | Min: 1869 | Max: 1917 Games: 10 | W: 6 L: 2 D: 2Q3 2016 Avg: 1852 | Min: 1852 | Max: 1852 Games: 1 | W: 0 L: 1 D: 0Q4 2018 Avg: 1990 | Min: 1964 | Max: 2015 Games: 2 | W: 1 L: 1 D: 0Q1 '11Q1 '14Q2 '14Q3 '14Q4 '14Q3 '15Q4 '15Q1 '16Q3 '16Q4 '18DailyRange

Rating by Year

Year Bullet Blitz Rapid Daily
2026 2700 2806 2528 -
2025 2662 2727 2460 -
2024 2663 2724 2415 -
2023 2598 2551 2414 -
2022 2459 2598 2414 -
2021 2478 2522 2414 -
2020 2392 2400 2381 -
2019 2278 2507 1936 -
2018 2271 2365 - 2015
2017 2043 2224 - -
2016 1982 2157 - 1852
2015 1857 2087 1649 1858
2014 1866 1802 - 1665
2013 1745 1849 1571 -
2012 1604 1709 1567 -
2011 1692 1760 1590 1200
296625812196181114261040Bullet 2011: 1692Bullet 2012: 1604Bullet 2013: 1745Bullet 2014: 1866Bullet 2015: 1857Bullet 2016: 1982Bullet 2017: 2043Bullet 2018: 2271Bullet 2019: 2278Bullet 2020: 2392Bullet 2021: 2478Bullet 2022: 2459Bullet 2023: 2598Bullet 2024: 2663Bullet 2025: 2662Bullet 2026: 2700Blitz 2011: 1760Blitz 2012: 1709Blitz 2013: 1849Blitz 2014: 1802Blitz 2015: 2087Blitz 2016: 2157Blitz 2017: 2224Blitz 2018: 2365Blitz 2019: 2507Blitz 2020: 2400Blitz 2021: 2522Blitz 2022: 2598Blitz 2023: 2551Blitz 2024: 2724Blitz 2025: 2727Blitz 2026: 2806Rapid 2011: 1590Rapid 2012: 1567Rapid 2013: 1571Rapid 2015: 1649Rapid 2019: 1936Rapid 2020: 2381Rapid 2021: 2414Rapid 2022: 2414Rapid 2023: 2414Rapid 2024: 2415Rapid 2025: 2460Rapid 2026: 2528Daily 2011: 1200Daily 2014: 1665Daily 2015: 1858Daily 2016: 1852Daily 2018: 20152011201220132014201520162017201820192020202120222023202420252026BulletBlitzRapidDaily
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