Event: Round 2: Alexander Grischuk - Santosh Gujrathi Vidit
Date: 2023-09-08
White: Alexander Grischuk
Black: Santosh Gujrathi Vidit
Result: 1/2-1/2
ECO: D30
Opening: Semi-Slav Defense: Quiet Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 0:03:02] } 1... d5 { [%eval 0.27] [%clk 0:03:03] } 2. c4 { [%eval 0.29] [%clk 0:03:01] } 2... c6 { [%eval 0.3] [%clk 0:03:04] } 3. Nf3 { [%eval 0.32] [%clk 0:03:00] } 3... Nf6 { [%eval 0.38] [%clk 0:03:05] } 4. e3 { [%eval 0.23] [%clk 0:03:00] } 4... e6 { [%eval 0.42] [%clk 0:03:04] } 5. Nbd2 { [%eval 0.3] [%clk 0:02:59] } 5... Nbd7 { [%eval 0.47] [%clk 0:02:44] } 6. b3 { [%eval 0.34] [%clk 0:02:59] } 6... b6 { [%eval 0.41] [%clk 0:02:44] } 7. Bb2 { [%eval 0.1] [%clk 0:03:00] } 7... Bb7 { [%eval 0.41] [%clk 0:02:45] } 8. Bd3 { [%eval 0.34] [%clk 0:03:00] } 8... Be7 { [%eval 0.23] [%clk 0:02:42] } 9. O-O { [%eval 0.32] [%clk 0:03:00] } 9... O-O { [%eval 0.2] [%clk 0:02:34] } 10. Qe2 { [%eval 0.39] [%clk 0:03:01] } 10... c5 { [%eval 0.21] [%clk 0:02:34] } 11. Rfd1 { [%eval 0.38] [%clk 0:03:00] } 11... Rc8 { [%eval 0.3] [%clk 0:02:35] } 12. Rac1 { [%eval 0.33] [%clk 0:03:01] } 12... dxc4 { [%eval 0.44] [%clk 0:02:35] } 13. Nxc4 { [%eval 0.35] [%clk 0:02:55] } 13... Bxf3 { [%eval 0.33] [%clk 0:02:34] } 14. Qxf3 { [%eval 0.34] [%clk 0:02:54] } 14... cxd4 { [%eval 0.34] [%clk 0:02:34] } 15. Bxd4 { [%eval -0.04] [%clk 0:02:51] } 15... b5 { [%eval 0.28] [%clk 0:02:34] } 16. Nb2 { [%eval 0.0] [%clk 0:01:13] } 16... Qa5 { [%eval 0.04] [%clk 0:02:09] } 17. Rxc8 { [%eval -0.01] [%clk 0:00:44] } 17... Rxc8 { [%eval 0.0] [%clk 0:02:10] } 18. Qb7 { [%eval 0.0] [%clk 0:00:45] } 18... Rc7 { [%eval 0.22] [%clk 0:02:04] } 19. Qxb5 { [%eval -0.01] [%clk 0:00:37] } 19... Qxb5 { [%eval -0.01] [%clk 0:01:43] } 20. Bxb5 { [%eval 0.0] [%clk 0:00:38] } 20... e5 { [%eval 0.0] [%clk 0:01:44] } 21. Bxa7? { [%eval -1.57] } { Mistake. Bxd7 was best. } { [%clk 0:00:15] } 21... Rxa7 { [%eval -1.52] [%clk 0:01:43] } 22. a4 { [%eval -1.49] [%clk 0:00:16] } 22... Nc5 { [%eval -1.53] [%clk 0:01:38] } 23. Nc4 { [%eval -1.52] [%clk 0:00:16] } 23... Nxb3 { [%eval -1.57] [%clk 0:01:21] } 24. Nxe5 { [%eval -1.4] [%clk 0:00:17] } 24... Na5 { [%eval -1.62] [%clk 0:01:22] } 25. g3 { [%eval -1.48] [%clk 0:00:17] } 25... g6 { [%eval -1.53] [%clk 0:01:18] } 26. Nd7 { [%eval -1.91] [%clk 0:00:18] } 26... Ne4 { [%eval -1.82] [%clk 0:01:14] } 27. Nb6 { [%eval -2.19] [%clk 0:00:12] } 27... Nc3 { [%eval -2.06] [%clk 0:01:09] } 28. Nc8 { [%eval -1.95] [%clk 0:00:12] } 28... Rc7 { [%eval -2.27] [%clk 0:00:38] } 29. Nxe7+ { [%eval -2.36] [%clk 0:00:12] } 29... Rxe7 { [%eval -2.27] [%clk 0:00:39] } 30. Rd8+ { [%eval -2.42] [%clk 0:00:13] } 30... Kg7 { [%eval -2.88] [%clk 0:00:40] } 31. Ra8 { [%eval -3.24] [%clk 0:00:14] } 31... Nb3?! { [%eval -1.9] } { Inaccuracy. Nxb5 was best. } { [%clk 0:00:38] } 32. Bf1?! { [%eval -2.84] } { Inaccuracy. Be8 was best. } { [%clk 0:00:09] } 32... Re5 { [%eval -2.42] [%clk 0:00:31] } 33. Ra7 { [%eval -2.36] [%clk 0:00:06] } 33... Ra5?! { [%eval -1.62] } { Inaccuracy. Nd2 was best. } { [%clk 0:00:26] } 34. Rc7 { [%eval -1.83] [%clk 0:00:05] } 34... Nd5 { [%eval -1.81] [%clk 0:00:23] } 35. Rb7 { [%eval -1.65] [%clk 0:00:06] } 35... Nc5 { [%eval -1.65] [%clk 0:00:20] } 36. Rb5 { [%eval -1.71] [%clk 0:00:07] } 36... Rxb5 { [%eval -1.78] [%clk 0:00:19] } 37. axb5 { [%eval -1.74] [%clk 0:00:08] } 37... f5?! { [%eval -1.01] } { Inaccuracy. Kf6 was best. } { [%clk 0:00:15] } 38. Kg2 { [%eval -1.47] [%clk 0:00:09] } 38... Kf6 { [%eval -1.6] [%clk 0:00:15] } 39. h3 { [%eval -1.61] [%clk 0:00:09] } 39... Ne4 { [%eval -1.72] [%clk 0:00:11] } 40. Bc4 { [%eval -1.62] [%clk 0:00:08] } 40... Nb6 { [%eval -1.75] [%clk 0:00:12] } 41. Bg8 { [%eval -2.24] [%clk 0:00:08] } 41... h6 { [%eval -1.89] [%clk 0:00:11] } 42. g4?! { [%eval -2.64] } { Inaccuracy. Bb3 was best. } { [%clk 0:00:08] } 42... Nd6 { [%eval -2.66] [%clk 0:00:11] } 43. gxf5 { [%eval -2.68] [%clk 0:00:06] } 43... gxf5 { [%eval -2.79] [%clk 0:00:10] } 44. f4?! { [%eval -3.62] } { Inaccuracy. Kg3 was best. } { [%clk 0:00:05] } 44... Nxb5 { [%eval -3.75] [%clk 0:00:11] } 45. Kf3 { [%eval -3.79] [%clk 0:00:06] } 45... Nc3 { [%eval -3.91] [%clk 0:00:11] } 46. Bb3 { [%eval -3.83] [%clk 0:00:07] } 46... Nd7 { [%eval -3.81] [%clk 0:00:12] } 47. Bc4 { [%eval -3.83] [%clk 0:00:07] } 47... Nc5 { [%eval -3.87] [%clk 0:00:13] } 48. Bg8 { [%eval -4.16] [%clk 0:00:08] } 48... N5e4 { [%eval -4.13] [%clk 0:00:13] } 49. Kg2 { [%eval -4.16] [%clk 0:00:08] } 49... Nd1 { [%eval -3.93] [%clk 0:00:13] } 50. Kf3 { [%eval -3.84] [%clk 0:00:09] } 50... Ndf2 { [%eval -3.83] [%clk 0:00:12] } 51. h4 { [%eval -3.77] [%clk 0:00:09] } 51... Ng4 { [%eval -3.85] [%clk 0:00:11] } 52. Bd5 { [%eval -4.57] [%clk 0:00:09] } 52... Nc3 { [%eval -3.77] [%clk 0:00:08] } 53. Bc6 { [%eval -3.86] [%clk 0:00:10] } 53... Nh2+ { [%eval -3.75] [%clk 0:00:05] } 54. Kg2 { [%eval -3.73] [%clk 0:00:11] } 54... Ng4 { [%eval -3.88] [%clk 0:00:05] } 55. Kf3 { [%eval -3.81] [%clk 0:00:13] } 55... Nb1? { [%eval -2.29] } { Mistake. Ke6 was best. } { [%clk 0:00:04] } 56. e4 { [%eval -2.48] [%clk 0:00:10] } 56... Nd2+ { [%eval -2.15] [%clk 0:00:05] } 57. Kg3 { [%eval -2.19] [%clk 0:00:12] } 57... Ne3 { [%eval -2.3] [%clk 0:00:05] } 58. exf5 { [%eval -2.39] [%clk 0:00:11] } 58... Nxf5+ { [%eval -1.99] [%clk 0:00:06] } 59. Kg4 { [%eval -2.38] [%clk 0:00:12] } 59... Nc4 { [%eval -2.27] [%clk 0:00:05] } 60. Bd7 { [%eval -2.16] [%clk 0:00:12] } 60... Ng7 { [%eval -2.2] [%clk 0:00:05] } 61. Bc8 { [%eval -2.46] [%clk 0:00:13] } 61... Ne3+ { [%eval -2.49] [%clk 0:00:06] } 62. Kf3 { [%eval -2.65] [%clk 0:00:14] } 62... Nef5 { [%eval -2.65] [%clk 0:00:07] } 63. Kg4? { [%eval -4.39] } { Mistake. Ba6 was best. } { [%clk 0:00:15] } 63... Nd6?? { [%eval -2.05] } { Blunder. h5+ was best. } { [%clk 0:00:06] } 64. Ba6 { [%eval -2.01] [%clk 0:00:16] } 64... Ne4 { [%eval -2.12] [%clk 0:00:05] } 65. Kf3 { [%eval -1.89] [%clk 0:00:16] } 65... Nc5 { [%eval -1.96] [%clk 0:00:06] } 66. Bc8? { [%eval -3.69] } { Mistake. Bb5 was best. } { [%clk 0:00:17] } 66... Nf5 { [%eval -3.37] [%clk 0:00:05] } 67. Kg4?? { [%eval -7.91] } { Blunder. Kf2 was best. } { [%clk 0:00:18] } 67... Ng7?? { [%eval -3.51] } { Blunder. Ne7 was best. } { [%clk 0:00:05] } 68. Kf3 { [%eval -3.65] [%clk 0:00:19] } 68... Nb3?! { [%eval -2.57] } { Inaccuracy. Nf5 was best. } { [%clk 0:00:05] } 69. Kg4 { [%eval -2.03] [%clk 0:00:20] } 69... Nd4 { [%eval -1.79] [%clk 0:00:06] } 70. Ba6 { [%eval -2.16] [%clk 0:00:21] } 70... Kf7 { [%eval -1.96] [%clk 0:00:06] } 71. Bc4+ { [%eval -1.8] [%clk 0:00:22] } 71... Ke7 { [%eval -1.89] [%clk 0:00:07] } 72. Ba6 { [%eval -1.78] [%clk 0:00:22] } 72... Ndf5 { [%eval -2.47] [%clk 0:00:08] } 73. Bc8 { [%eval -1.76] [%clk 0:00:23] } 73... Kf6 { [%eval -2.37] [%clk 0:00:09] } 74. Ba6?! { [%eval -3.52] } { Inaccuracy. Bd7 was best. } { [%clk 0:00:24] } 74... Nd6?! { [%eval -2.23] } { Inaccuracy. h5+ was best. } { [%clk 0:00:07] } 75. Bd3 { [%eval -2.13] [%clk 0:00:24] } 75... Ne6 { [%eval -2.35] [%clk 0:00:08] } 76. Ba6 { [%eval -1.88] [%clk 0:00:25] } 76... Nf5 { [%eval -2.5] [%clk 0:00:08] } 77. Bc8 { [%eval -1.83] [%clk 0:00:26] } 77... Ne3+?? { [%eval 0.0] } { Blunder. Nfg7 was best. } { [%clk 0:00:04] } 78. Kh5 { [%eval 0.0] [%clk 0:00:22] } 78... Nxf4+ { [%eval 0.0] [%clk 0:00:05] } 79. Kxh6 { [%eval 0.02] [%clk 0:00:23] } 79... Neg2 { [%eval 0.0] [%clk 0:00:04] } 80. Kh7 { [%eval 0.0] [%clk 0:00:23] } 80... Nxh4 { [%eval 0.0] [%clk 0:00:04] } 81. Bf5 { [%eval 0.0] [%clk 0:00:23] } 81... Nf3 { [%eval 0.0] [%clk 0:00:05] } 82. Kg8 { [%eval 0.0] [%clk 0:00:24] } 82... Ng5 { [%eval 0.01] [%clk 0:00:06] } 83. Kf8 { [%eval 0.0] [%clk 0:00:25] } 83... Nd5 { [%eval 0.0] [%clk 0:00:07] } 84. Ke8 { [%eval 0.0] [%clk 0:00:26] } 84... Nf7 { [%eval 0.0] [%clk 0:00:08] } 85. Kd7 { [%eval 0.0] [%clk 0:00:27] } 85... Ne5+ { [%eval 0.0] [%clk 0:00:08] } 86. Kd6 { [%eval 0.0] [%clk 0:00:28] } 86... Ne7 { [%eval 0.02] [%clk 0:00:10] } 87. Be6 { [%eval 0.0] [%clk 0:00:29] } 87... N5g6 { [%eval 0.0] [%clk 0:00:10] } 88. Kc5 { [%eval 0.0] [%clk 0:00:29] } 88... Ke5 { [%eval 0.02] [%clk 0:00:12] } 89. Kc4 { [%eval 0.01] [%clk 0:00:30] } 89... Nf4 { [%eval 0.0] [%clk 0:00:13] } 90. Kc5 { [%eval 0.0] [%clk 0:00:31] } 90... Neg6 { [%eval 0.01] [%clk 0:00:14] } 91. Bd5 { [%eval 0.03] [%clk 0:00:30] } 91... Nh4 { [%eval 0.01] [%clk 0:00:15] } 92. Be4 { [%eval 0.01] [%clk 0:00:31] } 92... Ne6+ { [%eval 0.01] [%clk 0:00:16] } 93. Kc4 { [%eval 0.0] [%clk 0:00:32] } 93... Ng5 { [%eval 0.0] [%clk 0:00:15] } 94. Kc5 { [%eval 0.03] [%clk 0:00:33] } 94... Nh3 { [%eval 0.08] [%clk 0:00:13] } 95. Kc4 { [%eval 0.01] [%clk 0:00:35] } 95... Nf4 { [%eval 0.0] [%clk 0:00:13] } 96. Kc5 { [%eval 0.0] [%clk 0:00:36] } 96... Kxe4 { [%eval 0.0] } 97. Kc4 { [%eval 0.0] [%clk 0:00:37] } 97... Nf5 { [%eval 0.0] [%clk 0:00:08] } 98. Kc5 { [%eval 0.0] [%clk 0:00:38] } 98... Nd5 { [%eval 0.0] [%clk 0:00:09] } 99. Kc4 { [%eval 0.0] [%clk 0:00:40] } 99... Nd4 { [%eval 0.0] [%clk 0:00:10] } 100. Kc5 { [%eval 0.0] [%clk 0:00:41] } 100... Ke5 { [%eval 0.0] [%clk 0:00:12] } 101. Kc4 { [%eval 0.0] [%clk 0:00:42] } 101... Ne6 { [%eval 0.0] [%clk 0:00:13] } 102. Kd3 { [%eval 0.0] [%clk 0:00:43] } 102... Ndf4+ { [%eval 0.0] [%clk 0:00:14] } 103. Ke3 { [%eval 0.0] [%clk 0:00:44] } 103... Nd4 { [%eval 0.0] [%clk 0:00:14] } 104. Kd2 { [%eval 0.0] [%clk 0:00:45] } 104... Ke4 { [%eval 0.0] [%clk 0:00:16] } 105. Kc3 { [%eval 0.0] [%clk 0:00:46] } 105... Kd5 { [%eval 0.0] [%clk 0:00:14] } 106. Kd2 { [%eval 0.0] [%clk 0:00:47] } 106... Nf5 { [%eval 0.0] [%clk 0:00:16] } 107. Kc3 { [%eval 0.0] [%clk 0:00:48] } 107... Kc5 { [%eval 0.0] [%clk 0:00:17] } 108. Kd2 { [%eval 0.0] [%clk 0:00:49] } 108... Kc4 { [%eval 0.0] [%clk 0:00:18] } 109. Kc2 { [%eval 0.0] [%clk 0:00:50] } 109... Ne3+ { [%eval 0.0] [%clk 0:00:15] } 110. Kd2 { [%eval 0.0] [%clk 0:00:51] } 110... Ned5 { [%eval 0.0] [%clk 0:00:17] } 111. Kc2 { [%eval 0.0] [%clk 0:00:52] } 111... Kd4 { [%eval 0.0] [%clk 0:00:16] } 112. Kd2 { [%eval 0.0] [%clk 0:00:53] } 112... Ne3 { [%eval 0.0] [%clk 0:00:17] } 113. Ke1 { [%eval 0.0] [%clk 0:00:53] } 113... Kd3 { [%eval 0.0] [%clk 0:00:17] } 114. Kf2 { [%eval 0.0] [%clk 0:00:54] } 114... Ke4 { [%eval 0.0] [%clk 0:00:19] } 115. Ke1 { [%eval 0.0] [%clk 0:00:55] } 115... Nc4 { [%eval 0.0] [%clk 0:00:20] } 116. Kf2 { [%eval 0.0] [%clk 0:00:56] } 116... Nd2 { [%eval 0.0] [%clk 0:00:18] } 117. Ke1 { [%eval 0.0] [%clk 0:00:57] } 117... Ke3 { [%eval 0.0] [%clk 0:00:18] } 118. Kd1 { [%eval 0.0] [%clk 0:00:58] } 118... Kd3 { [%eval 0.0] [%clk 0:00:19] } 119. Ke1 { [%eval 0.0] [%clk 0:00:59] } 119... Ne4 { [%eval 0.0] [%clk 0:00:20] } 120. Kd1 { [%eval 0.0] [%clk 0:01:00] } 120... Ng2 { [%eval 0.0] [%clk 0:00:21] } 121. Kc1 { [%eval -0.06] [%clk 0:01:01] } 121... Kc3 { [%eval 0.0] [%clk 0:00:21] } 122. Kd1 { [%eval -0.04] [%clk 0:01:02] } 122... Ng3 { [%eval 0.0] [%clk 0:00:22] } 123. Kc1 { [%eval 0.0] [%clk 0:01:03] } 123... Ne3 { [%eval 0.0] [%clk 0:00:24] } 124. Kb1 { [%eval 0.0] [%clk 0:01:04] } 124... Ne4 { [%eval 0.0] [%clk 0:00:24] } 125. Kc1 { [%eval 0.0] [%clk 0:01:05] } 125... Nc5 { [%eval 0.0] [%clk 0:00:24] } 126. Kb1 { [%eval 0.0] [%clk 0:01:07] } 126... Nb3 { [%eval 0.0] [%clk 0:00:24] } 127. Ka2 { [%eval 0.0] [%clk 0:01:07] } 127... Nc4 { [%eval 0.0] [%clk 0:00:25] } 128. Kb1 { [%eval 0.0] [%clk 0:01:08] } 128... Nbd2+ { [%eval 0.0] [%clk 0:00:25] } 129. Kc1 { [%eval 0.0] [%clk 0:01:05] } 129... Kd3 { [%eval 0.0] [%clk 0:00:16] } 130. Kd1 { [%eval 0.0] [%clk 0:01:06] } 130... Nf3 { [%eval 0.0] [%clk 0:00:15] } 131. Kc1 { [%eval 0.0] [%clk 0:01:08] } 131... Nd4 { [%eval 0.0] [%clk 0:00:12] } 132. Kd1 { [%eval 0.0] [%clk 0:01:09] } 132... Nc2 { [%eval 0.0] [%clk 0:00:13] } 133. Kc1 { [%eval 0.0] [%clk 0:01:09] } 133... Na5 { [%eval 0.0] [%clk 0:00:07] } 134. Kd1 { [%eval 0.0] [%clk 0:01:10] } 134... Nd4 { [%eval 0.0] [%clk 0:00:07] } 135. Ke1 { [%eval 0.0] [%clk 0:01:10] } 135... Nab3 { [%eval 0.0] [%clk 0:00:08] } 136. Kf2 { [%eval 0.0] [%clk 0:01:11] } 136... Ke4 { [%eval 0.0] [%clk 0:00:09] } 137. Kg3 { [%eval 0.0] [%clk 0:01:12] } 137... Nd2 { [%eval 0.0] [%clk 0:00:10] } 138. Kg4 { [%eval 0.0] [%clk 0:01:13] } 138... N2f3 { [%eval 0.0] [%clk 0:00:12] } 139. Kg3 { [%eval 0.0] [%clk 0:01:14] } 139... Ne5 { [%eval 0.0] [%clk 0:00:11] } 140. Kf2 { [%eval 0.0] [%clk 0:01:15] } 140... Kf4 { [%eval 0.0] [%clk 0:00:12] } 141. Ke1 { [%eval 0.0] [%clk 0:01:16] } 141... Ke3 { [%eval 0.0] [%clk 0:00:13] } 142. Kd1 { [%eval 0.0] [%clk 0:01:18] } 142... Kd3 { [%eval 0.0] [%clk 0:00:12] } 143. Ke1 { [%eval 0.0] [%clk 0:01:19] } 143... Ng4 { [%eval 0.0] [%clk 0:00:14] } 144. Kd1 { [%clk 0:01:19] } 144... Nf2+ { [%clk 0:00:13] } 145. Ke1 { [%clk 0:01:20] } 145... Ke3 { [%clk 0:00:15] } 146. Kf1 { [%clk 0:01:21] } 146... Nf5 { [%clk 0:00:15] } 147. Ke1 { [%clk 0:01:21] } 147... Nh4 { [%clk 0:00:16] } 148. Kf1 { [%clk 0:01:22] } 148... Nd1 { [%clk 0:00:15] } 149. Ke1 { [%clk 0:01:22] } 149... Nc3 { [%clk 0:00:16] } 150. Kf1 { [%clk 0:01:24] } 150... Ng6 { [%clk 0:00:14] } 151. Ke1 { [%clk 0:01:24] } 151... Nf4 { [%clk 0:00:13] } 152. Kf1 { [%clk 0:01:25] } 152... Nd3 { [%clk 0:00:13] } 153. Kg2 { [%clk 0:01:27] } 153... Kf4 { [%clk 0:00:14] } 154. Kf1 { [%clk 0:01:27] } 154... Kf3 { [%clk 0:00:16] } 155. Kg1 { [%clk 0:01:28] } 155... Ne2+ { [%clk 0:00:12] } 156. Kf1 { [%clk 0:01:29] } 156... Ng3+ { [%clk 0:00:13] } 157. Kg1 { [%clk 0:01:30] } 157... Nf4 { [%clk 0:00:10] } 158. Kh2 { [%clk 0:01:31] } 158... Nf1+ { [%clk 0:00:09] } 159. Kg1 { [%clk 0:01:32] } 159... Ne3 { [%clk 0:00:09] } 160. Kh2 { [%clk 0:01:31] } 160... Kf2 { [%clk 0:00:09] } 161. Kh1 { [%clk 0:01:32] } 161... Nh3 { [%clk 0:00:06] } 162. Kh2 { [%clk 0:01:33] } 162... Ng1 { [%clk 0:00:08] } 163. Kh1 { [%clk 0:01:34] } 163... Nd5 { [%clk 0:00:06] } 164. Kh2 { [%clk 0:01:35] } 164... Nf4 { [%clk 0:00:08] } 165. Kh1 { [%clk 0:01:36] } 165... Nfe2 { [%clk 0:00:05] } 166. Kh2 { [%clk 0:01:36] } 166... Nd4 { [%clk 0:00:05] } 167. Kh1 { [%clk 0:01:37] } 167... Nh3 { [%clk 0:00:05] } 168. Kh2 { [%clk 0:01:38] } 168... Nf4 { [%clk 0:00:06] } 169. Kh1 { [%clk 0:01:39] } 169... Nde2 { [%clk 0:00:06] } 170. Kh2 { [%clk 0:01:40] } 170... Ng1 { [%clk 0:00:07] } 171. Kh1 { [%clk 0:01:40] } 171... Ngh3 { [%clk 0:00:05] } 172. Kh2 { [%clk 0:01:41] } 172... Kf3 { [%clk 0:00:07] } 173. Kh1 { [%clk 0:01:42] } 1/2-1/2