MESON Chess Problem Database

Problem Display
PID: 47745 (2n5/8/6Q1/2K1kp2/8/3P2P1/8/8 w - - 0 1)

Nesic, Milivoj S

Mat Plus, 1996

2n5/8/6Q1/2K1kp2/8/3P2P1/8/8

#2

4 + 3

4883 Still More Fun with Chess Miniatures 2002
5454 Near Snap 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Sb6
      • 2.Qd6#
    • 1...Sd6
      • 2.Qxd6#
    • 1...Sa7
      • 2.Qd6#
    • 1...Se7
      • 2.Qd6#
    • 1...f4
      • 2.d4#
  • Tries
    • 1.Qe8+?
      • 1...Se7
        • 2.Qxe7#
      • 1...Kf6!
    • 1.Qg5?
      • 1...Sb6
        • 2.Qe7#
      • 1...Sd6
        • 2.Qe7#
      • 1...Sa7
        • 2.Qe7#
      • 1...Se7
        • 2.Qxe7#
      • 1...Ke6!
    • 1.Qc6?
      • threat
        • 2.d4#
      • 1...Sd6
        • 2.Qxd6#
      • 1...f4!
    • 1.Qh6?
      • 1...Sb6
        • 2.Qd6#
      • 1...Sd6
        • 2.Qxd6#
      • 1...Sa7
        • 2.Qd6#
      • 1...Se7
        • 2.Qd6#
      • 1...f4!
  • Keys
    • 1.Qf7!
      • 1...Sb6
        • 2.Qe7#
      • 1...Sd6
        • 2.Qe7#
      • 1...Sa7
        • 2.Qe7#
      • 1...Se7
        • 2.Qxe7#
      • 1...f4
        • 2.gxf4#

Anticipated by 6038(1926)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 5
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD::QAB1(D)
    • S(c);N_GUARD::QAB1(D),XS(c)
    • P(b);::P(A)
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • S(c);N_GUARD,P_SPINS(c)::QAR2(D),XS(c)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);P_PINP(b)
      • Vars
        • S(c);N_GUARD::QAR2(D)
        • S(c);N_GUARD::QAR2(D),XS(c)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
    • Try
      • Q(D);
      • Threat
        • P(A)
      • Vars
        • S(c);N_GUARD::QAB1(D),XS(c)
      • Refutation
        • P(b);
    • Try
      • Q(D);
      • Vars
        • S(c);N_GUARD::QAB1(D)
        • S(c);N_GUARD::QAB1(D),XS(c)
      • Refutation
        • P(b);
  • Actual
    • Q(D);
    • Vars
      • S(c);N_GUARD::QAR2(D)
      • S(c);N_GUARD::QAR2(D),XS(c)
      • P(b);OGATE::P(B),XP(b)
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