MESON Chess Problem Database

Problem Display
PID: 178041 (5N2/4p3/1BQ1B3/5P2/6K1/6pp/6P1/5N1k w - - 0 1)

Mendes de Moraes Filho, Feliciano

Busmen's Chess Review, 1964

5N2/4p3/1BQ1B3/5P2/6K1/6pp/6P1/5N1k

#2

8 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...h2
      • 2.Sxg3#
  • Tries
    • 1.Kf3?
      • 1...h2
        • 2.Sxg3#
      • 1...hxg2!
    • 1.Kxg3?
      • threat
        • 2.gxh3#
      • 1...hxg2
        • 2.Qxg2#
      • 1...h2!
    • 1.Kf4?
      • 1...h2
        • 2.Sxg3#
      • 1...hxg2!
    • 1.Kh4?
      • 1...h2
        • 2.Sxg3#
      • 1...hxg2!
    • 1.Kg5?
      • 1...h2
        • 2.Sxg3#
      • 1...hxg2!
    • 1.Kh5?
      • 1...h2
        • 2.Sxg3#
      • 1...hxg2!
    • 1.Sg6?
      • 1...h2
        • 2.Sxg3#
      • 1...hxg2!
    • 1.Sd7?
      • 1...h2
        • 2.Sxg3#
      • 1...hxg2!
    • 1.Sh7?
      • 1...h2
        • 2.Sxg3#
      • 1...hxg2!
    • 1.Be3?
      • 1...h2
        • 2.Sxg3#
      • 1...hxg2!
    • 1.Bd4?
      • 1...h2
        • 2.Sxg3#
      • 1...hxg2!
    • 1.Bc5?
      • 1...h2
        • 2.Sxg3#
      • 1...hxg2!
    • 1.Ba7?
      • 1...h2
        • 2.Sxg3#
      • 1...hxg2!
    • 1.Qf3?
      • 1...h2
        • 2.Sxg3#
      • 1...hxg2!
    • 1.Qe4?
      • 1...h2
        • 2.Sxg3#
      • 1...hxg2!
    • 1.Qd5?
      • 1...h2
        • 2.Sxg3#
      • 1...hxg2!
    • 1.Qb7?
      • 1...h2
        • 2.Sxg3#
      • 1...hxg2!
    • 1.Qa8?
      • 1...h2
        • 2.Sxg3#
      • 1...hxg2!
    • 1.Qc2?
      • 1...h2
        • 2.Sxg3#
      • 1...hxg2!
    • 1.Qc3?
      • 1...Kxg2
        • 2.Qf3#
      • 1...hxg2
        • 2.Qh8#
      • 1...h2!
    • 1.Qc5?
      • threat
        • 2.Qg1#
      • 1...Kxg2
        • 2.Qg1#
      • 1...h2!
  • Keys
    • 1.Qc1!
      • 1...Kxg2
        • 2.Bd5#
      • 1...hxg2
        • 2.Qh6#
      • 1...h2
        • 2.Se3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK::S(A),XP(b)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Vars
        • P(c);SBLOCK::S(A),XP(b)
      • Refutation
        • P(c);XP(B)
    • Try
      • K(C);P-FLIGHT,XP(b)
      • Threat
        • QAB(F)+P(B),XP(c)
      • Vars
        • P(c);OGATE,P_SPINP(c),XP(B)::QAB1(F),XP(c)
      • Refutation
        • P(c);
    • Try
      • K(C);P-FLIGHT
      • Vars
        • P(c);SBLOCK::S(A),XP(b)
      • Refutation
        • P(c);P_SPINP(c),XP(B)
    • Try
      • K(C);P-FLIGHT
      • Vars
        • P(c);SBLOCK::S(A),XP(b)
      • Refutation
        • P(c);P_SPINP(c),XP(B)
    • Try
      • K(C);P-FLIGHT
      • Vars
        • P(c);SBLOCK::S(A),XP(b)
      • Refutation
        • P(c);P_SPINP(c),XP(B)
    • Try
      • K(C);S_FLIGHT
      • Vars
        • P(c);SBLOCK::S(A),XP(b)
      • Refutation
        • P(c);P_SPINP(c),XP(B)
    • Try
      • S(H);
      • Vars
        • P(c);SBLOCK::S(A),XP(b)
      • Refutation
        • P(c);P_SPINP(c),XP(B)
    • Try
      • S(H);
      • Vars
        • P(c);SBLOCK::S(A),XP(b)
      • Refutation
        • P(c);P_SPINP(c),XP(B)
    • Try
      • S(H);
      • Vars
        • P(c);SBLOCK::S(A),XP(b)
      • Refutation
        • P(c);P_SPINP(c),XP(B)
    • Try
      • B(E);
      • Vars
        • P(c);SBLOCK::S(A),XP(b)
      • Refutation
        • P(c);P_SPINP(c),XP(B)
    • Try
      • B(E);
      • Vars
        • P(c);SBLOCK::S(A),XP(b)
      • Refutation
        • P(c);P_SPINP(c),XP(B)
    • Try
      • B(E);
      • Vars
        • P(c);SBLOCK::S(A),XP(b)
      • Refutation
        • P(c);P_SPINP(c),XP(B)
    • Try
      • B(E);
      • Vars
        • P(c);SBLOCK::S(A),XP(b)
      • Refutation
        • P(c);P_SPINP(c),XP(B)
    • Try
      • Q(F);
      • Vars
        • P(c);SBLOCK::S(A),XP(b)
      • Refutation
        • P(c);P_SPINP(c),XP(B)
    • Try
      • Q(F);
      • Vars
        • P(c);SBLOCK::S(A),XP(b)
      • Refutation
        • P(c);P_SPINP(c),XP(B)
    • Try
      • Q(F);
      • Vars
        • P(c);SBLOCK::S(A),XP(b)
      • Refutation
        • P(c);P_SPINP(c),XP(B)
    • Try
      • Q(F);
      • Vars
        • P(c);SBLOCK::S(A),XP(b)
      • Refutation
        • P(c);P_SPINP(c),XP(B)
    • Try
      • Q(F);
      • Vars
        • P(c);SBLOCK::S(A),XP(b)
      • Refutation
        • P(c);P_SPINP(c),XP(B)
    • Try
      • Q(F);
      • Vars
        • P(c);SBLOCK::S(A),XP(b)
      • Refutation
        • P(c);XP(B)
    • Try
      • Q(F);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XP(B)::QAB1(F)
        • P(c);OGATEB,SBLOCK,XP(B)::QAB(F)
      • Refutation
        • P(c);
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • K(a);S_FLIGHT,XP(B)::QAR1(F)
      • Refutation
        • P(c);
  • Actual
    • Q(F);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XP(B)::B(G)
      • P(c);OGATEB,SBLOCK,XP(B)::QAR(F)
      • P(c);SBLOCK::QAR(F)+S(A)
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