2024 UK Chess Challenge Terafinal Challengers Under 8 : Rapid Rapid 🐇 21 - 22 Sep 2024

Rank
ECF
Sex.
Fedn
First Name
Last Name
Grade
R1
R2
R3
R4
R5
R6
R7
R8
R9
Total
ECF Code
1.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Advik Saxena 1495A 2 14+14. Brannon Bliss 1008A 1 9+9. Misha Gerko 1119A 2 29+29. Anvay Makarabbi 1323A 1 7+7. Gustavo Astolfi 1255A 2 4+4. Oscar Qin 1467A 1 2+2. Stepan Zhestilevskii 1480A 2 5–5. Djan Sennaroglu 1443A 1 3–3. Rishi Chotai 1449A 1 8+8. Muiz Ul Meeran Mohamed Nasrudeen Meeran 1510A7Tie-break: SPS:40 SOS:52.5 SNB:39352860B
2.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Stepan Zhestilevskii 1480A 1 15+15. Blake Yue 990A 2 13+13. Aadvik Vadyar 1242A 1 5=5. Djan Sennaroglu 1443A 2 3+3. Rishi Chotai 1449A 1 8+8. Muiz Ul Meeran Mohamed Nasrudeen Meeran 1510A 2 1–1. Advik Saxena 1495A 1 6+6. Furion Kapitanski 1509A 2 4=4. Oscar Qin 1467A 1 7+7. Gustavo Astolfi 1255A7Tie-break: SPS:36.5 SOS:55.5 SNB:42352689G
3.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Rishi Chotai 1449A 1 11+11. Joshua Buka 967A 2 21+21. Vedansh Krishna 1078A 1 8–8. Muiz Ul Meeran Mohamed Nasrudeen Meeran 1510A 1 2–2. Stepan Zhestilevskii 1480A 2 25+25. Arnav Krishnaraj 1068A 2 23+23. Alice Li 658A 1 9+9. Misha Gerko 1119A 2 1+1. Advik Saxena 1495A 1 4+4. Oscar Qin 1467A7Tie-break: SPS:32 SOS:50 SNB:37342243E
4.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Oscar Qin 1467A 2 30+30. Jack Shuocheng Mao 968A 1 25+25. Arnav Krishnaraj 1068A 2 23+23. Alice Li 658A 2 8+8. Muiz Ul Meeran Mohamed Nasrudeen Meeran 1510A 1 1–1. Advik Saxena 1495A 1 12+12. Luca Feng 1241A 2 7+7. Gustavo Astolfi 1255A 1 2=2. Stepan Zhestilevskii 1480A 2 3–3. Rishi Chotai 1449A6.5Tie-break: SPS:38 SOS:49 SNB:31.5358993G
5.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Djan Sennaroglu 1443A 2 38+38. Ethan Casey 950A 1 20+20. Christian Delfaud 841A 2 2=2. Stepan Zhestilevskii 1480A 1 6+6. Furion Kapitanski 1509A 2 7–7. Gustavo Astolfi 1255A 1 17+17. Constantine Popov 1030A 1 1+1. Advik Saxena 1495A 2 8–8. Muiz Ul Meeran Mohamed Nasrudeen Meeran 1510A 1 14+14. Brannon Bliss 1008A6.5Tie-break: SPS:34.5 SOS:48.5 SNB:33353527H
6.5 🅖 Male 🅜 BUL🇧🇬 Furion Kapitanski 1509A 1 17=17. Constantine Popov 1030A 2 16+16. Tauyekel Bekakhmet 1118A 1 37+37. Mary Cawdery 1300A 2 5–5. Djan Sennaroglu 1443A 1 21+21. Vedansh Krishna 1078A 1 13+13. Aadvik Vadyar 1242A 2 2–2. Stepan Zhestilevskii 1480A 2 18+18. Albert Biermann 1126A 1 12+12. Luca Feng 1241A6.5Tie-break: SPS:31.5 SOS:44 SNB:28.25350025B
7.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Gustavo Astolfi 1255A 1 28+28. Mobai Lu 871A 2 31+31. Scarlett Sanderson 856A 1 17+17. Constantine Popov 1030A 2 1–1. Advik Saxena 1495A 1 5+5. Djan Sennaroglu 1443A 2 9+9. Misha Gerko 1119A 1 4–4. Oscar Qin 1467A 2 19+19. Charlotte Oudet 1133A 2 2–2. Stepan Zhestilevskii 1480A6Tie-break: SPS:35 SOS:48 SNB:27.5346308E
8.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Muiz Ul Meeran Mohamed Nasrudeen Meeran 1510A 2 26+26. Samuel Cupela 1048A 1 18+18. Albert Biermann 1126A 2 3+3. Rishi Chotai 1449A 1 4–4. Oscar Qin 1467A 2 2–2. Stepan Zhestilevskii 1480A 1 14+14. Brannon Bliss 1008A 2 12+12. Luca Feng 1241A 1 5+5. Djan Sennaroglu 1443A 2 1–1. Advik Saxena 1495A6Tie-break: SPS:33 SOS:52.5 SNB:32348712L
9.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Misha Gerko 1119A 1 27+27. Mark Shchepinov 824A 2 1–1. Advik Saxena 1495A 1 31+31. Scarlett Sanderson 856A 1 29+29. Anvay Makarabbi 1323A 2 13+13. Aadvik Vadyar 1242A 1 7–7. Gustavo Astolfi 1255A 2 3–3. Rishi Chotai 1449A 2 11=11. Joshua Buka 967A 1 17+17. Constantine Popov 1030A5.5Tie-break: SPS:29 SOS:45 SNB:22.25353271K
10.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Rishaan Bhatt 1062A 2 32+32. Ritwika Patro 747A 1 29–29. Anvay Makarabbi 1323A 2 38+38. Ethan Casey 950A 1 12–12. Luca Feng 1241A 1 37+37. Mary Cawdery 1300A 2 30=30. Jack Shuocheng Mao 968A 1 19–19. Charlotte Oudet 1133A 1 15+15. Blake Yue 990A 2 18+18. Albert Biermann 1126A5.5Tie-break: SPS:26 SOS:32 SNB:18350533K
11.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Joshua Buka 967A 2 3–3. Rishi Chotai 1449A 1 39+39. Athira Ramesh 792A 2 18–18. Albert Biermann 1126A 1 32+32. Ritwika Patro 747A 2 20–20. Christian Delfaud 841A 1 27+27. Mark Shchepinov 824A 2 25+25. Arnav Krishnaraj 1068A 1 9=9. Misha Gerko 1119A 1 19+19. Charlotte Oudet 1133A5.5Tie-break: SPS:23 SOS:39 SNB:20.25359859H
12.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Luca Feng 1241A 1 31–31. Scarlett Sanderson 856A 2 33+33. Max Simpson 932A 1 15+15. Blake Yue 990A 2 10+10. Rishaan Bhatt 1062A 1 23+23. Alice Li 658A 2 4–4. Oscar Qin 1467A 1 8–8. Muiz Ul Meeran Mohamed Nasrudeen Meeran 1510A 2 17+17. Constantine Popov 1030A 2 6–6. Furion Kapitanski 1509A5Tie-break: SPS:28 SOS:44 SNB:22344312H
13.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Aadvik Vadyar 1242A 2 36+36. Anna Kaltenboeck 860K 1 2–2. Stepan Zhestilevskii 1480A 2 26+26. Samuel Cupela 1048A 1 25+25. Arnav Krishnaraj 1068A 1 9–9. Misha Gerko 1119A 2 6–6. Furion Kapitanski 1509A 1 30+30. Jack Shuocheng Mao 968A 2 14–14. Brannon Bliss 1008A 1 24+24. Hongqian He 831K5Tie-break: SPS:26 SOS:41.5 SNB:17.5356199K
14.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Brannon Bliss 1008A 1 1–1. Advik Saxena 1495A 2 34+34. Annabel Foakes 833K 1 19+19. Charlotte Oudet 1133A 2 21–21. Vedansh Krishna 1078A 1 16+16. Tauyekel Bekakhmet 1118A 2 8–8. Muiz Ul Meeran Mohamed Nasrudeen Meeran 1510A 1 22+22. Nivaan Shah 903A 1 13+13. Aadvik Vadyar 1242A 2 5–5. Djan Sennaroglu 1443A5Tie-break: SPS:25 SOS:46 SNB:22358681K
15.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Blake Yue 990A 2 2–2. Stepan Zhestilevskii 1480A 1 36+36. Anna Kaltenboeck 860K 2 12–12. Luca Feng 1241A 1 35+35. Victoria Khabibullina 762A 2 29–29. Anvay Makarabbi 1323A 1 20+20. Christian Delfaud 841A 1 23+23. Alice Li 658A 2 10–10. Rishaan Bhatt 1062A 1 27+27. Mark Shchepinov 824A5Tie-break: SPS:22 SOS:38.5 SNB:18358301G
16.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Tauyekel Bekakhmet 1118A 2 24=24. Hongqian He 831K 1 6–6. Furion Kapitanski 1509A 2 20=20. Christian Delfaud 841A 1 22+22. Nivaan Shah 903A 2 14–14. Brannon Bliss 1008A 1 32+32. Ritwika Patro 747A 2 17–17. Constantine Popov 1030A 1 30+30. Jack Shuocheng Mao 968A 1 23+23. Alice Li 658A5Tie-break: SPS:21 SOS:39 SNB:18.75347675D
17.5 🅖 Male 🅜 WLS🏴󠁧󠁢󠁷󠁬󠁳󠁿 Constantine Popov 1030A 2 6=6. Furion Kapitanski 1509A 1 24+24. Hongqian He 831K 2 7–7. Gustavo Astolfi 1255A 1 20+20. Christian Delfaud 841A 2 30+30. Jack Shuocheng Mao 968A 2 5–5. Djan Sennaroglu 1443A 1 16+16. Tauyekel Bekakhmet 1118A 1 12–12. Luca Feng 1241A 2 9–9. Misha Gerko 1119A4.5Tie-break: SPS:26.5 SOS:46 SNB:19.75354855H
18.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Albert Biermann 1126A 1 34+34. Annabel Foakes 833K 2 8–8. Muiz Ul Meeran Mohamed Nasrudeen Meeran 1510A 1 11+11. Joshua Buka 967A 2 23–23. Alice Li 658A 1 27+27. Mark Shchepinov 824A 2 19=19. Charlotte Oudet 1133A 2 24+24. Hongqian He 831K 1 6–6. Furion Kapitanski 1509A 1 10–10. Rishaan Bhatt 1062A4.5Tie-break: SPS:26 SOS:43 SNB:18.75344282C
19.5 🅖 Female 🅕 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Charlotte Oudet 1133A 2 20–20. Christian Delfaud 841A 1 22+22. Nivaan Shah 903A 2 14–14. Brannon Bliss 1008A 1 28+28. Mobai Lu 871A 2 26+26. Samuel Cupela 1048A 1 18=18. Albert Biermann 1126A 2 10+10. Rishaan Bhatt 1062A 1 7–7. Gustavo Astolfi 1255A 2 11–11. Joshua Buka 967A4.5Tie-break: SPS:24 SOS:43 SNB:19.75342992B
20.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Christian Delfaud 841A 1 19+19. Charlotte Oudet 1133A 2 5–5. Djan Sennaroglu 1443A 1 16=16. Tauyekel Bekakhmet 1118A 2 17–17. Constantine Popov 1030A 1 11+11. Joshua Buka 967A 2 15–15. Blake Yue 990A 1 21+21. Vedansh Krishna 1078A 2 24=24. Hongqian He 831K 1 22=22. Nivaan Shah 903A4.5Tie-break: SPS:22 SOS:44 SNB:21.25364813J
21.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Vedansh Krishna 1078A 2 39+39. Athira Ramesh 792A 1 3–3. Rishi Chotai 1449A 2 30=30. Jack Shuocheng Mao 968A 1 14+14. Brannon Bliss 1008A 2 6–6. Furion Kapitanski 1509A 1 24–24. Hongqian He 831K 2 20–20. Christian Delfaud 841A 1 34+34. Annabel Foakes 833K 1 28+28. Mobai Lu 871A4.5Tie-break: SPS:21.5 SOS:38.5 SNB:15345457F
22.5 🅖 Male 🅜 IND🇮🇳 Nivaan Shah 903A 1 37–37. Mary Cawdery 1300A 2 19–19. Charlotte Oudet 1133A 1 34+34. Annabel Foakes 833K 2 16–16. Tauyekel Bekakhmet 1118A 2 35+35. Victoria Khabibullina 762A 1 26+26. Samuel Cupela 1048A 2 14–14. Brannon Bliss 1008A 1 32+32. Ritwika Patro 747A 2 20=20. Christian Delfaud 841A4.5Tie-break: SPS:18.5 SOS:34 SNB:15.25353953C
23.5 🅖 Female 🅕 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Alice Li 658A bye+Full Point Bye 2 37+37. Mary Cawdery 1300A 1 4–4. Oscar Qin 1467A 1 18+18. Albert Biermann 1126A 2 12–12. Luca Feng 1241A 1 3–3. Rishi Chotai 1449A 2 15–15. Blake Yue 990A 1 26+26. Samuel Cupela 1048A 2 16–16. Tauyekel Bekakhmet 1118A4Tie-break: SPS:25 SOS:39 SNB:10.5364584J
24.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Hongqian He 831K 1 16=16. Tauyekel Bekakhmet 1118A 2 17–17. Constantine Popov 1030A 1 33+33. Max Simpson 932A 1 30–30. Jack Shuocheng Mao 968A 2 38+38. Ethan Casey 950A 2 21+21. Vedansh Krishna 1078A 1 18–18. Albert Biermann 1126A 1 20=20. Christian Delfaud 841A 2 13–13. Aadvik Vadyar 1242A4Tie-break: SPS:21.5 SOS:36 SNB:14.25366133H
25.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Arnav Krishnaraj 1068A 1 35+35. Victoria Khabibullina 762A 2 4–4. Oscar Qin 1467A 1 32+32. Ritwika Patro 747A 2 13–13. Aadvik Vadyar 1242A 1 3–3. Rishi Chotai 1449A 2 33+33. Max Simpson 932A 1 11–11. Joshua Buka 967A 2 27–27. Mark Shchepinov 824A 1 31+31. Scarlett Sanderson 856A4Tie-break: SPS:21 SOS:40 SNB:12354881J
26.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Samuel Cupela 1048A 1 8–8. Muiz Ul Meeran Mohamed Nasrudeen Meeran 1510A 2 28+28. Mobai Lu 871A 1 13–13. Aadvik Vadyar 1242A 2 31+31. Scarlett Sanderson 856A 1 19–19. Charlotte Oudet 1133A 2 22–22. Nivaan Shah 903A 1 39+39. Athira Ramesh 792A 2 23–23. Alice Li 658A 2 30+30. Jack Shuocheng Mao 968A4Tie-break: SPS:18 SOS:35.5 SNB:11.5351510C
27.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Mark Shchepinov 824A 2 9–9. Misha Gerko 1119A 1 30–30. Jack Shuocheng Mao 968A 2 36+36. Anna Kaltenboeck 860K 1 39+39. Athira Ramesh 792A 2 18–18. Albert Biermann 1126A 2 11–11. Joshua Buka 967A 1 33+33. Max Simpson 932A 1 25+25. Arnav Krishnaraj 1068A 2 15–15. Blake Yue 990A4Tie-break: SPS:18 SOS:35 SNB:11.5342729J
28.5 🅖 Female 🅕 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Mobai Lu 871A 2 7–7. Gustavo Astolfi 1255A 1 26–26. Samuel Cupela 1048A 2 39+39. Athira Ramesh 792A 2 19–19. Charlotte Oudet 1133A 1 31–31. Scarlett Sanderson 856A 1 35+35. Victoria Khabibullina 762A 2 34=34. Annabel Foakes 833K 1 36+36. Anna Kaltenboeck 860K 2 21–21. Vedansh Krishna 1078A3.5Tie-break: SPS:14.5 SOS:32.5 SNB:9347297J
29.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Anvay Makarabbi 1323A 1 33+33. Max Simpson 932A 2 10+10. Rishaan Bhatt 1062A 1 1–1. Advik Saxena 1495A 2 9–9. Misha Gerko 1119A 1 15+15. Blake Yue 990A3Tie-break: SPS:22 SOS:26 SNB:13.5341892D
30.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Jack Shuocheng Mao 968A 1 4–4. Oscar Qin 1467A 2 27+27. Mark Shchepinov 824A 1 21=21. Vedansh Krishna 1078A 2 24+24. Hongqian He 831K 1 17–17. Constantine Popov 1030A 1 10=10. Rishaan Bhatt 1062A 2 13–13. Aadvik Vadyar 1242A 2 16–16. Tauyekel Bekakhmet 1118A 1 26–26. Samuel Cupela 1048A3Tie-break: SPS:19.5 SOS:43 SNB:13358986K
31.90 🗙 Female 🅕 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Scarlett Sanderson 856A 2 12+12. Luca Feng 1241A 1 7–7. Gustavo Astolfi 1255A 2 9–9. Misha Gerko 1119A 1 26–26. Samuel Cupela 1048A 2 28+28. Mobai Lu 871A 1 34–34. Annabel Foakes 833K 2 32–32. Ritwika Patro 747A 1 39+39. Athira Ramesh 792A 2 25–25. Arnav Krishnaraj 1068A3Tie-break: SPS:16 SOS:36 SNB:10.5367341J
32.5 🅖 Female 🅕 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Ritwika Patro 747A 1 10–10. Rishaan Bhatt 1062Abye+Full Point Bye 2 25–25. Arnav Krishnaraj 1068A 2 11–11. Joshua Buka 967A 1 36+36. Anna Kaltenboeck 860K 2 16–16. Tauyekel Bekakhmet 1118A 1 31+31. Scarlett Sanderson 856A 2 22–22. Nivaan Shah 903A 2 33–33. Max Simpson 932A3Tie-break: SPS:16 SOS:33 SNB:5.5347562B
33.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Max Simpson 932A 2 29–29. Anvay Makarabbi 1323A 1 12–12. Luca Feng 1241A 2 24–24. Hongqian He 831K 1 36+36. Anna Kaltenboeck 860K 2 34+34. Annabel Foakes 833K 1 25–25. Arnav Krishnaraj 1068A 2 27–27. Mark Shchepinov 824A 2 35–35. Victoria Khabibullina 762A 1 32+32. Ritwika Patro 747A3Tie-break: SPS:12 SOS:31.5 SNB:8.5364742A
34.5 🅖 Female 🅕 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Annabel Foakes 833K 2 18–18. Albert Biermann 1126A 1 14–14. Brannon Bliss 1008A 2 22–22. Nivaan Shah 903Abye+Full Point Bye 1 33–33. Max Simpson 932A 2 31+31. Scarlett Sanderson 856A 1 28=28. Mobai Lu 871A 2 21–21. Vedansh Krishna 1078A 2 36=36. Anna Kaltenboeck 860K3Tie-break: SPS:12 SOS:30.5 SNB:6369278E
35.6 🅟 Female 🅕 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Victoria Khabibullina 762A 2 25–25. Arnav Krishnaraj 1068A 1 38–38. Ethan Casey 950Abye+Full Point Bye 2 15–15. Blake Yue 990A 1 22–22. Nivaan Shah 903A 2 28–28. Mobai Lu 871A 2 36–36. Anna Kaltenboeck 860K 1 33+33. Max Simpson 932A 2 39+39. Athira Ramesh 792A3Tie-break: SPS:10 SOS:26.5 SNB:5360141K
36.90 🗙 Female 🅕 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Anna Kaltenboeck 860K 1 13–13. Aadvik Vadyar 1242A 2 15–15. Blake Yue 990A 1 27–27. Mark Shchepinov 824A 2 33–33. Max Simpson 932A 2 32–32. Ritwika Patro 747Abye+Full Point Bye 1 35+35. Victoria Khabibullina 762A 2 28–28. Mobai Lu 871A 1 34=34. Annabel Foakes 833K2.5Tie-break: SPS:7.5 SOS:29.5 SNB:4.5357639F
37.5 🅖 Female 🅕 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Mary Cawdery 1300A 2 22+22. Nivaan Shah 903A 1 23–23. Alice Li 658A 2 6–6. Furion Kapitanski 1509A 1 38+38. Ethan Casey 950A 2 10–10. Rishaan Bhatt 1062A2Tie-break: SPS:15 SOS:22.5 SNB:6.5349824E
38.5 🅖 Male 🅜 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Ethan Casey 950A 1 5–5. Djan Sennaroglu 1443A 2 35+35. Victoria Khabibullina 762A 1 10–10. Rishaan Bhatt 1062A 2 37–37. Mary Cawdery 1300A 1 24–24. Hongqian He 831K 2 39–39. Athira Ramesh 792Abye+Full Point Bye2Tie-break: SPS:11 SOS:23 SNB:3353363D
39.5 🅖 Female 🅕 ENG🏴󠁧󠁢󠁥󠁮󠁧󠁿 Athira Ramesh 792A 1 21–21. Vedansh Krishna 1078A 2 11–11. Joshua Buka 967A 1 28–28. Mobai Lu 871A 2 27–27. Mark Shchepinov 824Abye+Full Point Bye 1 38+38. Ethan Casey 950A 2 26–26. Samuel Cupela 1048A 2 31–31. Scarlett Sanderson 856A 1 35–35. Victoria Khabibullina 762A2Tie-break: SPS:9 SOS:29.5 SNB:2350617E
Players are shown ranked as follows. This event may have used other tie-break procedures.
1. Points scored (Total)
2. Sum of Progressive Score (sps).
3. Sum of Opponents' Scores (sos).
4. Sonneborn-Berger (snb).