MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.13"]
[Round "45"]
[White "WakWak-base"]
[Black "WakWak-dev"]
[Result "0-1"]
[EngineWhiteName "wakwak v0.1.0"]
[EngineWhiteAuthor "Drexell, Kelseyde, ptsouchlos, Silverrzz, Sp00ph and Tecci"]
[EngineBlackName "wakwak v0.1.0"]
[EngineBlackAuthor "Drexell, Kelseyde, ptsouchlos, Silverrzz, Sp00ph and Tecci"]
[SetUp "1"]
[FEN "r1b1kbnr/pppq1ppp/2n5/4p3/2B1P3/1Q6/PP2NPPP/RNB2RK1 b kq - 5 7"]
[Variant "Duck"]
[VariantRules "duck1"]
[GameDuration "00:00:57"]
[GameStartTime "2026-09-13T08:09:27 -0400"]
[GameEndTime "2026-09-13T08:10:24 -0400"]
[PlyCount "333"]
[Termination "abandoned"]
[TimeControl "10.58+0.11"]

7... a6@d1 {/2 3.657s, n=180620288, sd=3}
8. a3@b4 {/2 3.657s, n=175217664, sd=3} a5@d1 {/2 2.475s, n=121199616, sd=3}
9. f3@b4 {/2 2.475s, n=118707200, sd=3} a4@d1 {/2 1.687s, n=81248256, sd=3}
10. Qa2@b4 {/2 1.687s, n=79560704, sd=3} b6@d5 {/2 1.161s, n=56505344, sd=3}
11. g3@b4 {/2 1.161s, n=50519040, sd=3} f6@d5 {/2 0.811s, n=37868544, sd=3}
12. h4@b4 {/2 0.811s, n=36166656, sd=3} g6@d5 {/2 0.577s, n=26283008, sd=3}
13. Nd2@d6 {/2 0.577s, n=25769984, sd=3} h6@d5 {/2 0.421s, n=19688448, sd=3}
14. Nb1@b4 {/2 0.421s, n=18928640, sd=3} h5@d5 {/2 0.321s, n=15067136, sd=3}
15. Nd2@d6 {/2 0.318s, n=13605888, sd=3} Na5@d5 {/2 0.247s, n=11390976, sd=3}
16. Bd3@d6 {/2 0.248s, n=11043840, sd=3} b5@c4 {/2 0.202s, n=9548800, sd=3}
17. Nb1@d6 {/2 0.202s, n=9500672, sd=3} c6@c4 {/2 0.171s, n=7819264, sd=3}
18. Nd2@d6 {/2 0.172s, n=7617536, sd=3} c5@c4 {/2 0.121s, n=5450752, sd=3}
19. Nb1@d4 {/2 0.122s, n=5311488, sd=3} Nc6@c4 {/2 0.110s, n=4410368, sd=3}
20. Nd2@d4 {/2 0.110s, n=4841472, sd=3} Na7@c4 {/2 0.110s, n=5004288, sd=3}
21. Nb1@d4 {/2 0.110s, n=4820992, sd=3} Ne7@c4 {/2 0.110s, n=5219328, sd=3}
22. Nd2@d4 {/2 0.110s, n=4856832, sd=3} Nac6@c4 {/2 0.110s, n=4874240, sd=3}
23. Nb1@d4 {/2 0.110s, n=4764672, sd=3} Na5@c4 {/2 0.110s, n=4840448, sd=3}
24. Nd2@d4 {/2 0.110s, n=4741120, sd=3} Nb7@c4 {/2 0.110s, n=5218304, sd=3}
25. Nb1@d4 {/2 0.110s, n=4700160, sd=3} Nd6@c4 {/2 0.110s, n=4784128, sd=3}
26. b3@d1 {/2 0.110s, n=4637696, sd=3} axb3@e1 {/2 0.110s, n=5154816, sd=3}
27. Qxb3@d1 {/2 0.110s, n=4994048, sd=3} b4@e1 {/2 0.110s, n=5047296, sd=3}
28. axb4@a2 {/2 0.110s, n=4758528, sd=3} cxb4@a3 {/2 0.110s, n=5152768, sd=3}
29. Qxb4@a2 {/2 0.110s, n=5183488, sd=3} Nxe4@a3 {/2 0.110s, n=5168128, sd=3}
30. Bxe4@a2 {/2 0.110s, n=5195776, sd=3} Ra6@a3 {/1 0.070s, n=3240053, sd=2}
31. Nbc3@a2 {/2 0.110s, n=5455872, sd=3} Rd6@c5 {/1 0.076s, n=3455476, sd=2}
32. Nb1@a6 {/1 0.074s, n=2968709, sd=2} f5@c5 {/1 0.068s, n=2771088, sd=2}
33. Bc2@d1 {/2 0.146s, n=6792192, sd=3} e4@c5 {/2 0.186s, n=8602624, sd=3}
34. f4@d1 {/1 0.063s, n=2726242, sd=2} e3@c5 {/2 0.150s, n=6876160, sd=3}
35. Bxe3@c1 {/2 0.157s, n=7010304, sd=3} g5@c5 {/2 0.110s, n=5139456, sd=3}
36. hxg5@c1 {/1 0.068s, n=3036870, sd=2} h4@c5 {/1 0.069s, n=3240425, sd=2}
37. gxh4@h5 {/1 0.071s, n=3176574, sd=2} Nd5@c5 {/1 0.073s, n=3353366, sd=2}
38. Qe1@c1 {/1 0.091s, n=3740388, sd=2} Nxe3@d3 {/1 0.075s, n=3181394, sd=2}
39. Rf2@c1 {/1 0.088s, n=2821020, sd=2} Nxc2@d1 {/1 0.073s, n=3136798, sd=2}
40. Qd2@d3 {/2 0.188s, n=7881728, sd=3} Nxa1@d4 {/1 0.074s, n=2854129, sd=2}
41. Qc1@h5 {/2 0.154s, n=6410240, sd=3} Nb3@c2 {/2 0.209s, n=8948736, sd=3}
42. Qb2@h5 {/2 0.110s, n=4613120, sd=3} Na5@c3 {/1 0.067s, n=2683567, sd=2}
43. h5@h6 {/1 0.061s, n=2327395, sd=2} Nc4@c3 {/2 0.190s, n=8480768, sd=3}
44. Qa1@h6 {/2 0.159s, n=6620160, sd=3} Ne3@b2 {/2 0.160s, n=6530048, sd=3}
45. Na3@h6 {/2 0.110s, n=4271104, sd=3} Ng4@b2 {/1 0.065s, n=2541867, sd=2}
46. Rf1@h6 {/2 0.110s, n=4483072, sd=3} Qa4@b2 {/1 0.066s, n=2483327, sd=2}
47. Nb1@a2 {/1 0.073s, n=2700965, sd=2} Rxh5@a3 {/1 0.100s, n=3124939, sd=2}
48. g6@a2 {/1 0.069s, n=2997855, sd=2} Rxg6@a3 {/1 0.080s, n=3322470, sd=2}
49. Qb2@b4 {/1 0.066s, n=2995258, sd=2} Ne3@a1 {/1 0.092s, n=3888710, sd=2}
50. Rc1@g2 {/1 0.120s, n=4638269, sd=2} Nc4@c2 {/1 0.128s, n=5011584, sd=2}
51. Qc3@g2 {/1 0.111s, n=3894985, sd=2} Nb6@c4 {/1 0.116s, n=4404012, sd=2}
52. Kf1@b4 {/1 0.115s, n=4134056, sd=2} Nd5@c4 {/1 0.110s, n=4128938, sd=2}
53. Qa1@a2 {/1 0.127s, n=4425069, sd=2} Qb3@c2 {/1 0.126s, n=4239774, sd=2}
54. Nd2@b1 {/1 0.119s, n=3918082, sd=2} Qd3@c2 {/1 0.164s, n=5315248, sd=2}
55. Nb1@d1 {/1 0.134s, n=4350820, sd=2} Ne3@c2 {/1 0.143s, n=4504934, sd=2}
56. Ke1@d1 {/1 0.122s, n=3755859, sd=2} Qxb1@f1 {/1 0.130s, n=4041728, sd=2}
57. Qxb1@a1 {/1 0.093s, n=4158906, sd=2} Ng2@c2 {/1 0.070s, n=3108799, sd=2}
58. Kd1@a1 {/2 0.167s, n=6561792, sd=3} Nh4@c2 {/2 0.150s, n=6129664, sd=3}
59. Ng1@g2 {/2 0.114s, n=4443136, sd=3} Ba6@c2 {/2 0.110s, n=4232192, sd=3}
60. Ne2@d3 {/2 0.110s, n=3693568, sd=3} Ng2@c2 {/2 0.110s, n=3905536, sd=3}
61. Ng1@a1 {/2 0.110s, n=3595264, sd=3} Nxf4@c2 {/1 0.075s, n=2626973, sd=2}
62. Nf3@a1 {/2 0.110s, n=4752384, sd=3} Ng2@c2 {/1 0.078s, n=3664072, sd=2}
63. Ng1@a1 {/1 0.065s, n=2151332, sd=2} f4@c2 {/1 0.069s, n=2797189, sd=2}
64. Ne2@d3 {/2 0.155s, n=6692864, sd=3} f3@c2 {/1 0.078s, n=3252259, sd=2}
65. Ng1@a1 {/2 0.110s, n=4336640, sd=3} f2@c2 {/1 0.075s, n=3408525, sd=2}
66. Nf3@f1 {/2 0.110s, n=4686848, sd=3} Ne3@c2 {/1 0.099s, n=3868109, sd=2}
67. Kd2@f1 {/1 0.068s, n=2921909, sd=2} Nc4@c2 {/1 0.138s, n=5181407, sd=2}
68. Kd1@f1 {/1 0.100s, n=3705701, sd=2} Na3@c2 {/1 0.101s, n=3666850, sd=2}
69. Qa2@f1 {/1 0.075s, n=2662793, sd=2} Nb5@a3 {/1 0.130s, n=4194972, sd=2}
70. Qxf2@a1 {/1 0.130s, n=4219313, sd=2} Na3@b1 {/1 0.099s, n=4453766, sd=2}
71. Ne1@a1 {/1 0.118s, n=4543905, sd=2} Nb5@f3 {/1 0.116s, n=4784022, sd=2}
72. Nc2@a1 {/1 0.100s, n=3645200, sd=2} Nc3@f3 {/1 0.091s, n=3664916, sd=2}
73. Ke1@a1 {/1 0.104s, n=3525681, sd=2} Na2@f3 {/1 0.112s, n=4422988, sd=2}
74. Ra1@b1 {/1 0.096s, n=3181071, sd=2} Bd3@f3 {/1 0.113s, n=4038380, sd=2}
75. Na3@b4 {/1 0.098s, n=3324857, sd=2} Nc3@f3 {/1 0.127s, n=4352284, sd=2}
76. Qe3@b4 {/1 0.130s, n=4169281, sd=2} Bf5@e4 {/1 0.155s, n=4955920, sd=2}
77. Qxc3@b4 {/1 0.131s, n=4001491, sd=2} Bh3@d3 {/1 0.083s, n=3895422, sd=2}
78. Nb1@c1 {/1 0.085s, n=3531958, sd=2} Bg2@d1 {/1 0.118s, n=4368696, sd=2}
79. Nd2@b1 {/1 0.118s, n=4527736, sd=2} Bh1@c1 {/1 0.148s, n=5322678, sd=2}
80. Nb1@g2 {/1 0.133s, n=4752104, sd=2} Bc5@c4 {/1 0.106s, n=3641024, sd=2}
81. Nd2@d6 {/1 0.119s, n=4129192, sd=2} Bg2@c4 {/1 0.129s, n=4373719, sd=2}
82. Nb3@b1 {/1 0.147s, n=4753650, sd=2} Bg1@c1 {/1 0.154s, n=5143585, sd=2}
83. Nd2@b1 {/1 0.118s, n=3926016, sd=2} Bc5@c1 {/1 0.136s, n=4556800, sd=2}
84. Qxc5@b1 {/1 0.110s, n=3466240, sd=2} Rxc5@c1 {/1 0.109s, n=4839864, sd=2}
85. Nb1@d1 {/2 0.110s, n=4688896, sd=3} Bh1@c1 {/2 0.111s, n=4517888, sd=3}
86. Nd2@b1 {/2 0.110s, n=3796992, sd=3} Bd5@c1 {/1 0.065s, n=2347003, sd=2}
87. Nb1@d1 {/2 0.110s, n=4118528, sd=3} Bg2@c1 {/2 0.155s, n=5760000, sd=3}
88. Nd2@b1 {/2 0.110s, n=3747840, sd=3} Bh1@c1 {/1 0.092s, n=2347227, sd=2}
89. Nb1@d1 {/1 0.062s, n=2119193, sd=2} Bf3@c1 {/2 0.131s, n=3911680, sd=3}
90. Nd2@b1 {/1 0.064s, n=1977460, sd=2} Bg4@c1 {/1 0.083s, n=2472330, sd=2}
91. Nb1@d1 {/1 0.068s, n=2047127, sd=2} Bh3@c1 {/2 0.134s, n=3982336, sd=3}
92. Nd2@b1 {/2 0.192s, n=5624832, sd=3} Bf5@c1 {/1 0.087s, n=2286417, sd=2}
93. Nb1@c2 {/1 0.074s, n=2100604, sd=2} Bd3@c1 {/2 0.133s, n=3611648, sd=3}
94. Nd2@b1 {/1 0.070s, n=1892274, sd=2} Bc2@c1 {/1 0.096s, n=2402389, sd=2}
95. Nf1@b1 {/1 0.078s, n=2055360, sd=2} Bb3@c1 {/1 0.079s, n=1987318, sd=2}
96. Nd2@b1 {/1 0.075s, n=2016271, sd=2} Ba4@a2 {/1 0.099s, n=2383014, sd=2}
97. Nb1@c1 {/2 0.213s, n=5111808, sd=3} Bc2@d1 {/2 0.166s, n=3931136, sd=3}
98. Nd2@b1 {/1 0.070s, n=1607304, sd=2} Bd3@c1 {/1 0.097s, n=2107776, sd=2}
99. Nb1@c2 {/1 0.093s, n=2259308, sd=2} Bc4@c1 {/1 0.072s, n=1696341, sd=2}
100. Nd2@b1 {/1 0.089s, n=1804533, sd=2} Bb5@c1 {/1 0.101s, n=2270061, sd=2}
101. Nb1@d1 {/1 0.103s, n=2092875, sd=2} Ba4@a2 {/1 0.092s, n=1650590, sd=2}
102. Nd2@b1 {/2 0.207s, n=4144128, sd=3} Bc6@c1 {/1 0.089s, n=1869997, sd=2}
103. Nb1@d1 {/1 0.105s, n=1988162, sd=2} Be4@c1 {/1 0.083s, n=1483711, sd=2}
104. Nd2@b1 {/1 0.100s, n=1982422, sd=2} Bb7@c1 {/1 0.114s, n=2169483, sd=2}
105. Nb1@d1 {/1 0.127s, n=2247605, sd=2} Bd5@c1 {/1 0.095s, n=1698799, sd=2}
106. Nd2@b1 {/1 0.100s, n=1848493, sd=2} Be6@c1 {/1 0.137s, n=2209187, sd=2}
107. Nb1@d1 {/1 0.127s, n=2105649, sd=2} Bb3@d2 {/1 0.096s, n=1601877, sd=2}
108. Na3@b1 {/1 0.100s, n=1636424, sd=2} Bf7@c1 {/1 0.103s, n=1686719, sd=2}
109. Nb1@d1 {/1 0.075s, n=1234624, sd=2} Be6@c1 {/1 0.099s, n=1551249, sd=2}
110. Nd2@b1 {/1 0.115s, n=1763435, sd=2} Bh3@c1 {/1 0.143s, n=2153589, sd=2}
111. Nb1@d1 {/1 0.137s, n=2154760, sd=2} Bg4@c1 {/1 0.124s, n=1704017, sd=2}
112. Nd2@b1 {/1 0.114s, n=1711966, sd=2} Bh5@c1 {/1 0.132s, n=2104976, sd=2}
113. Nb1@d1 {/1 0.134s, n=1933388, sd=2} Rc1@f1 {/1 0.097s, n=1478057, sd=2}
114. Ra2@d1 {/1 0.095s, n=1400984, sd=2} Rxb1@a1 {/1 0.131s, n=1939795, sd=2}
115. Rc2@c1 {/2 0.171s, n=6591488, sd=3} Bf3@a1 {/2 0.169s, n=6814720, sd=3}
116. Ra2@c1 {/1 0.065s, n=2402511, sd=2} Bh1@a1 {/2 0.116s, n=4210688, sd=3}
117. Rc2@c1 {/2 0.166s, n=5892096, sd=3} Bg2@d2 {/2 0.110s, n=3672064, sd=3}
118. Ra2@c1 {/2 0.111s, n=3621888, sd=3} Bf3@a1 {/2 0.110s, n=3793920, sd=3}
119. Rc2@c1 {/1 0.071s, n=2293010, sd=2} Bh1@a1 {/2 0.111s, n=3857408, sd=3}
120. Ra2@c1 {/1 0.070s, n=2133869, sd=2} Bg2@b2 {/1 0.066s, n=1908684, sd=2}
121. Ra3@c1 {/2 0.173s, n=5030912, sd=3} Bh1@a2 {/1 0.067s, n=1972235, sd=2}
122. Rc3@c1 {/1 0.071s, n=1925303, sd=2} Bg2@a3 {/1 0.077s, n=2001717, sd=2}
123. Rc2@c1 {/1 0.082s, n=2049626, sd=2} Bh3@a1 {/1 0.068s, n=1813260, sd=2}
124. Ra2@c1 {/1 0.081s, n=2174110, sd=2} Bg4@a1 {/2 0.201s, n=5388288, sd=3}
125. Rc2@c1 {/1 0.084s, n=1968513, sd=2} Bf5@a1 {/1 0.070s, n=1762944, sd=2}
126. Ra2@c1 {/1 0.096s, n=2242560, sd=2} Bc2@b2 {/1 0.084s, n=1955319, sd=2}
127. Ra3@c1 {/2 0.198s, n=4804608, sd=3} Bd3@b3 {/1 0.081s, n=1877171, sd=2}
128. Ra2@c1 {/1 0.065s, n=1448458, sd=2} Bc4@a1 {/1 0.090s, n=1955884, sd=2}
129. Rc2@c1 {/1 0.107s, n=2298762, sd=2} Ba2@b2 {/1 0.090s, n=1920184, sd=2}
130. Rd2@c1 {/1 0.101s, n=1900746, sd=2} Bb3@a1 {/1 0.088s, n=1834476, sd=2}
131. Re2@c1 {/1 0.093s, n=1851606, sd=2} Ba4@e3 {/1 0.074s, n=1566855, sd=2}
132. Ra2@c1 {/2 0.193s, n=3820544, sd=3} Bb3@b2 {/1 0.075s, n=1538341, sd=2}
133. Ra3@c1 {/2 0.165s, n=3227648, sd=3} Bc2@a1 {/1 0.076s, n=1372728, sd=2}
134. Ra2@c1 {/1 0.110s, n=1950720, sd=2} Bd3@a1 {/2 0.258s, n=3603456, sd=3}
135. Rd2@c1 {/1 0.106s, n=2131987, sd=2} Bc4@c2 {/1 0.082s, n=1541448, sd=2}
136. Rd1@c1 {/1 0.108s, n=1896299, sd=2} Ra1@b1 {/1 0.096s, n=1535104, sd=2}
137. Rd2@c1 {/1 0.090s, n=1486993, sd=2} Ba2@b2 {/1 0.119s, n=2035792, sd=2}
138. Rd1@b1 {/1 0.085s, n=1486854, sd=2} Bb3@c1 {/2 0.219s, n=3191808, sd=3}
139. Rd2@b1 {/1 0.092s, n=1304249, sd=2} Ba4@c1 {/1 0.108s, n=1885086, sd=2}
140. Rb2@b1 {/1 0.109s, n=1745639, sd=2} Bb5@b3 {/1 0.096s, n=1548852, sd=2}
141. Rc2@b1 {/1 0.100s, n=1525454, sd=2} Bd3@c1 {/1 0.132s, n=1980681, sd=2}
142. Rb2@b1 {/1 0.143s, n=2160092, sd=2} Bc4@c2 {/1 0.136s, n=1918725, sd=2}
143. Rb4@b1 {/1 0.110s, n=1643959, sd=2} Ba2@c1 {/1 0.117s, n=1789001, sd=2}
144. Rb2@b1 {/1 0.120s, n=1754481, sd=2} Bd5@c1 {/1 0.104s, n=1397348, sd=2}
145. Rb1@d1 {/1 0.147s, n=2054144, sd=2} Rxb1@a1 {/1 0.124s, n=1824563, sd=2}
146. Kd1@c1 {/2 0.110s, n=4295680, sd=3} Bh1@a1 {/2 0.167s, n=6718464, sd=3}
147. Ke1@c1 {/2 0.110s, n=4021248, sd=3} Bg2@a1 {/2 0.114s, n=4852736, sd=3}
148. Kd1@c1 {/2 0.110s, n=3559424, sd=3} Bf1@a1 {/2 0.110s, n=3825664, sd=3}
149. Ke1@c1 {/2 0.110s, n=3775488, sd=3} Bd3@a1 {/2 0.110s, n=3659776, sd=3}
150. Kd1@c1 {/2 0.110s, n=3500032, sd=3} Bc4@a1 {/2 0.110s, n=3660800, sd=3}
151. Ke1@c1 {/2 0.110s, n=3457024, sd=3} Ba2@a1 {/2 0.110s, n=3451904, sd=3}
152. Kd1@c1 {/2 0.110s, n=2969600, sd=3} Bb3@a1 {/2 0.110s, n=3079168, sd=3}
153. Ke1@c1 {/2 0.110s, n=3255296, sd=3} Bc2@a1 {/2 0.110s, n=2660352, sd=3}
154. Kf1@c1 {/2 0.110s, n=3072000, sd=3} Bd1@a1 {/2 0.110s, n=3144704, sd=3}
155. Ke1@c1 {/2 0.110s, n=2944000, sd=3} Bb3@a1 {/2 0.110s, n=3235840, sd=3}
156. Kf1@c1 {/2 0.110s, n=2520064, sd=3} Ba2@a1 {/2 0.110s, n=2678784, sd=3}
157. Ke1@c1 {/2 0.110s, n=2495488, sd=3} Bc4@a1 {/2 0.110s, n=2608128, sd=3}
158. Kd1@c1 {/2 0.110s, n=2539520, sd=3} Ba2@e1 {/2 0.110s, n=2419712, sd=3}
159. Kc2@a1 {/2 0.110s, n=2366464, sd=3} Re1@b1 {/2 0.110s, n=2699264, sd=3}
160. Kc1@d1 {/2 0.110s, n=2485248, sd=3} Bb3@a1 {/2 0.110s, n=2615296, sd=3}
161. Kb1@c1 {/2 0.110s, n=2251776, sd=3} Bd1@a1 {/2 0.110s, n=2253824, sd=3}
162. Kc1@b1 {/2 0.110s, n=2497536, sd=3} Be2@a1 {/2 0.110s, n=2395136, sd=3}
163. Kb1@c1 {/2 0.110s, n=2093056, sd=3} Bf1@a1 {/2 0.110s, n=2401280, sd=3}
164. Kc1@d1 {/2 0.110s, n=1848320, sd=3} Bg2@a1 {/2 0.110s, n=2051072, sd=3}
165. Kb1@c1 {/2 0.110s, n=1920000, sd=3} Bh1@a1 {/2 0.110s, n=1953792, sd=3}
166. Kc1@d1 {/2 0.110s, n=1905664, sd=3} Bf3@a1 {/2 0.110s, n=1904640, sd=3}
167. Kb1@c1 {/2 0.110s, n=1862656, sd=3} Be2@a1 {/2 0.110s, n=1977344, sd=3}
168. Kc1@d1 {/2 0.110s, n=1934336, sd=3} Bf1@a1 {/2 0.110s, n=1811456, sd=3}
169. Kb1@c1 {/2 0.110s, n=1714176, sd=3} Bg2@a1 {/2 0.110s, n=1764352, sd=3}
170. Kc1@d1 {/2 0.110s, n=1724416, sd=3} Bh1@a1 {/2 0.110s, n=1694720, sd=3}
171. Kb1@c1 {/2 0.110s, n=1671168, sd=3} Bf3@a1 {/2 0.110s, n=1673216, sd=3}
172. Kc1@d1 {/2 0.110s, n=1647616, sd=3} Be4@a1 {/2 0.110s, n=1648640, sd=3}
173. Kb2@b1 {/2 0.110s, n=1605632, sd=3}
Bd3@a1 {/1 0.066s, n=958624, sd=2, White disconnects} 0-1