Step 2 Entry: Page 1 1. Qa8# 2. Nc7# 3. ... Bf3# 4. ... b6 5. ... Rf7 6. Bf1 7. Bxc1 Rxc1+, Qg1 8. ... Kh8 9. Kg1 10. Bxc7 or Nxc7 11. Nxe4 or Bxe4 12. Bxf7+ ..., Bxe8 Page 2 1. ... Bxf2+ 2. Bg7# 3. ... Qe1# 4. ... Qxb2# 5. ... Ra6 6. ... Nc6 7. Rxc2 Bxc2, Qxc2 8. Nf6# 9. ... Rf3# 10. ... Bxb4# s/he needs 80%, i.e., at most 4 wrongs.