MESON Chess Problem Database

Problem Display
PID: 18349 (8/8/3p4/R1n2K2/2k5/2P5/3P4/1Q6 w - - 0 1)

Moutecidis, Pavlos

4th Prize, Die Schwalbe, 1955

8/8/3p4/R1n2K2/2k5/2P5/3P4/1Q6

#2

5 + 3

3105 FIDE Album (1945-1955) 1964
3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qe4#
    • 1...Sb3
      • 2.Qf1#
    • 1...Sd3
      • 2.Qa2#
      • 2.Qb5#
    • 1...Sa4
      • 2.Qb5#
    • 1...Se4
      • 2.Qb5#
    • 1...Sa6
      • 2.Qb5#
    • 1...Se6
      • 2.Qb5#
    • 1...Sb7
      • 2.Qb5#
    • 1...Sd7
      • 2.Qb5#
    • 1...d5
      • 2.Qb5#
  • Tries
    • 1.Kg4?
      • 1...Sb3
        • 2.Qf1#
      • 1...Sd3
        • 2.Qa2#
        • 2.Qb5#
      • 1...Sa4
        • 2.Qb5#
      • 1...Se4
        • 2.Qb5#
      • 1...Sa6
        • 2.Qb5#
      • 1...Se6
        • 2.Qb5#
      • 1...Sb7
        • 2.Qb5#
      • 1...Sd7
        • 2.Qb5#
      • 1...d5
        • 2.Qb5#
      • 1...Kd5!
    • 1.Kg6?
      • 1...Sb3
        • 2.Qf1#
      • 1...Sd3
        • 2.Qa2#
        • 2.Qb5#
      • 1...Sa4
        • 2.Qb5#
      • 1...Se4
        • 2.Qb5#
      • 1...Sa6
        • 2.Qb5#
      • 1...Se6
        • 2.Qb5#
      • 1...Sb7
        • 2.Qb5#
      • 1...Sd7
        • 2.Qb5#
      • 1...d5
        • 2.Qb5#
      • 1...Kd5!
    • 1.Qc2?
      • 1...Kd5
        • 2.Qe4#
      • 1...Sb3
        • 2.d3#
      • 1...Sd3
        • 2.Qa2#
      • 1...Sa4
        • 2.d3#
      • 1...Se4
        • 2.d3#
      • 1...Sa6
        • 2.d3#
      • 1...Se6
        • 2.d3#
      • 1...Sb7
        • 2.d3#
      • 1...Sd7
        • 2.d3#
      • 1...d5!
    • 1.Qb4+?
      • 1...Kd5
        • 2.Qe4#
      • 1...Kd3!
  • Keys
    • 1.Rb5!
      • 1...Kd5
        • 2.Qe4#
      • 1...Sb3
        • 2.Qf1#
      • 1...Sd3
        • 2.Qb3#
      • 1...Sa4
        • 2.Qf1#
      • 1...Se4
        • 2.Qf1#
      • 1...Sa6
        • 2.Qf1#
      • 1...Se6
        • 2.Qf1#
      • 1...Sb7
        • 2.Qf1#
      • 1...Sd7
        • 2.Qf1#
      • 1...d5
        • 2.Rb4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 7
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P_SPINS(b),S_FLIGHT::QAB1(A)
    • S(b);N_GUARD,SBLOCK::QAB(A)
    • S(b);::QAB1(A)
    • P(c);SBLOCK::QAB1(A)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Vars
        • S(b);N_GUARD,SBLOCK::QAB(A)
        • S(b);::QAB1(A)
        • P(c);SBLOCK::QAB1(A)
      • Refutation
        • K(a);P_SPINS(b),S_FLIGHT
    • Try
      • K(E);S_FLIGHT
      • Vars
        • S(b);N_GUARD,SBLOCK::QAB(A)
        • S(b);::QAB1(A)
        • P(c);SBLOCK::QAB1(A)
      • Refutation
        • K(a);P_SPINS(b),S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P_SPINS(b),S_FLIGHT::QAB1(A)
        • S(b);N_GUARD::P(B)
        • S(b);N_GUARD,SBLOCK::QAB(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,P_SPINS(b),S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(a);P_SPINS(b),S_FLIGHT::QAB1(A)
      • S(b);N_GUARD::QAB(A)
      • S(b);N_GUARD,SBLOCK::QAB1(A)
      • P(c);SBLOCK::R1(D)
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