| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 76. F Burmeister vs Z Kuster |
| ½-½ | 27 | 2019 | W-ch WS/CCM/A/04 email | E12 Queen's Indian |
| 77. A Jaumandreu Llopis vs Z Kuster |
| ½-½ | 21 | 2019 | W-ch WS/CCM/A/04 email | B94 Sicilian, Najdorf |
| 78. Z Kuster vs D Abolins-Abols |
| ½-½ | 33 | 2019 | W-ch WS/CCM/A/04 email | E01 Catalan, Closed |
| 79. Z Kuster vs J D Atuan |
| ½-½ | 28 | 2019 | W-ch WS/CCM/A/04 email | E06 Catalan, Closed, 5.Nf3 |
| 80. Z Kuster vs Stelian Ploscaru |
| ½-½ | 33 | 2019 | W-ch WS/CCM/A/04 email | A81 Dutch |
| 81. R Watson vs Z Kuster |
| ½-½ | 44 | 2019 | W-ch WS/CCM/A/04 email | B33 Sicilian |
| 82. A van de Peut vs Z Kuster |
| ½-½ | 25 | 2019 | W-ch WS/CCM/A/04 email | E32 Nimzo-Indian, Classical |
| 83. Z Kuster vs J Weilguni |
| ½-½ | 29 | 2019 | W-ch WS/CCM/A/04 email | D44 Queen's Gambit Declined Semi-Slav |
| 84. Z Kuster vs M Reichgeld |
| ½-½ | 23 | 2019 | W-ch WS/CCM/A/04 email | A01 Nimzovich-Larsen Attack |
| 85. Z Kuster vs E Klaus |
| ½-½ | 39 | 2019 | W-ch WS/CCM/A/04 email | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 86. Z Kuster vs F Sueess |
| 1-0 | 43 | 2019 | W-ch WS/CCM/A/04 email | D35 Queen's Gambit Declined |
| 87. C Zenner vs Z Kuster |
| ½-½ | 33 | 2019 | W-ch WS/CCM/A/08 email | A04 Reti Opening |
| 88. M Reichgeld vs Z Kuster |
| ½-½ | 27 | 2019 | W-ch WS/CCM/A/08 email | A45 Queen's Pawn Game |
| 89. Z Kuster vs R Watson |
| 0-1 | 15 | 2019 | W-ch WS/CCM/A/08 email | B23 Sicilian, Closed |
| 90. Z Kuster vs Evgeny Borisovich Pilkin |
| 1-0 | 66 | 2019 | W-ch WS/CCM/A/08 email | E70 King's Indian |
| 91. Z Kuster vs G Oen |
| ½-½ | 24 | 2019 | W-ch WS/CCM/A/08 email | E06 Catalan, Closed, 5.Nf3 |
| 92. Z Kuster vs Vladimir Vladimirov Matsukevich |
| ½-½ | 58 | 2019 | W-ch WS/CCM/A/08 email | A20 English |
| 93. Z Kuster vs R Luey |
| ½-½ | 26 | 2019 | W-ch WS/CCM/A/08 email | A01 Nimzovich-Larsen Attack |
| 94. Z Kuster vs M Dard |
| ½-½ | 28 | 2019 | W-ch WS/CCM/A/08 email | A06 Reti Opening |
| 95. Z Kuster vs J D Atuan |
| ½-½ | 20 | 2019 | W-ch WS/CCM/A/08 email | D45 Queen's Gambit Declined Semi-Slav |
| 96. J F Kamanel Zamora vs Z Kuster |
| ½-½ | 24 | 2019 | W-ch WS/CCM/A/08 email | B90 Sicilian, Najdorf |
| 97. S A Glushenkov vs Z Kuster |
| ½-½ | 35 | 2019 | W-ch WS/CCM/A/08 email | A15 English |
| 98. G Bolignano vs Z Kuster |
| 0-1 | 53 | 2019 | W-ch WS/CCM/A/08 email | B48 Sicilian, Taimanov Variation |
| 99. Vladimir Babychuk vs Z Kuster |
| ½-½ | 37 | 2019 | W-ch WS/CCM/A/08 email | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 100. V E Anikeev vs Z Kuster |
| ½-½ | 19 | 2019 | W-ch WS/CCM/A/08 email | E15 Queen's Indian |
Kibitzing
