MESON Chess Problem Database

Problem Display
PID: 73623 (K1R5/8/p1Q1p3/P1P1B3/2k5/2nN4/2n5/b1N5 w - - 0 1)

Hernitz, Zvonimir

Freie Presse, 1993

K1R5/8/p1Q1p3/P1P1B3/2k5/2nN4/2n5/b1N5

#2

8 + 6

6113 Problemschach-Jahrbuch (1993) 1994

SOLUTION

  • SOUND
  • Sets
    • 1...Sb5
      • 2.Qxe6#
    • 1...Sd5
      • 2.Qxa6#
  • Tries
    • 1.Rd8?
      • 1...Se1
        • 2.Rd4#
      • 1...Sa3
        • 2.Rd4#
      • 1...Se3
        • 2.Rd4#
      • 1...Sb4
        • 2.Rd4#
      • 1...Sd4
        • 2.Rxd4#
      • 1...Sb1
        • 2.Qxa6#
      • 1...Sd1
        • 2.Qxa6#
      • 1...Sa2
        • 2.Qxa6#
      • 1...Se2
        • 2.Qxa6#
      • 1...Sa4
        • 2.Qxa6#
      • 1...Se4
        • 2.Qxa6#
      • 1...Sb5
        • 2.Qxe6#
      • 1...Sd5
        • 2.Qxa6#
      • 1...Bb2!
    • 1.Qxa6+?
      • 1...Sb5
        • 2.Qxe6#
      • 1...Kd5!
    • 1.Qxe6+?
      • 1...Sd5
        • 2.Qxa6#
      • 1...Kb5!
  • Keys
    • 1.Rb8!
      • 1...Bb2
        • 2.Sxb2#
      • 1...Se1
        • 2.Rb4#
      • 1...Sa3
        • 2.Rb4#
      • 1...Se3
        • 2.Rb4#
      • 1...Sb4
        • 2.Rxb4#
      • 1...Sd4
        • 2.Rb4#
      • 1...Sb1
        • 2.Qxe6#
      • 1...Sd1
        • 2.Qxe6#
      • 1...Sa2
        • 2.Qxe6#
      • 1...Se2
        • 2.Qxe6#
      • 1...Sa4
        • 2.Qxe6#
      • 1...Se4
        • 2.Qxe6#
      • 1...Sb5
        • 2.Qxe6#
      • 1...Sd5
        • 2.Qxa6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD,SBLOCK::QAB(F),XP(f)
    • S(c);N_GUARD,SBLOCK::QAB(F),XP(e)
  • Tries
    • Try
      • R(H);
      • Vars
        • S(b);N_GUARD::R1(H)
        • S(b);N_GUARD::R1(H),XS(b)
        • S(c);N_GUARD::QAB(F),XP(e)
        • S(c);N_GUARD,SBLOCK::QAB(F),XP(f)
      • Refutation
        • B(a);
    • Try
      • Q(F);CHECK,XP(e)
      • Vars
        • S(c);N_GUARD,P_SPINS(c),SBLOCK::QAB(F),XP(f)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(F);CHECK,XP(f)
      • Vars
        • S(c);N_GUARD,P_SPINS(c),SBLOCK::QAB(F),XP(e)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • R(H);
    • Vars
      • B(a);N_GUARD::S(B),XB(a)
      • S(b);N_GUARD::R1(H)
      • S(b);N_GUARD::R1(H),XS(b)
      • S(c);N_GUARD::QAB(F),XP(f)
      • S(c);N_GUARD,SBLOCK::QAB(F),XP(e)
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