MESON Chess Problem Database

Problem Display
PID: 255597 (8/8/8/8/6N1/K2Np3/3k4/1Q6 w - - 0 1)

Szwedowski, Leopold Mieczyslaw

Kudesnik, 1998

8/8/8/8/6N1/K2Np3/3k4/1Q6

#2

4 + 2

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sb2?
      • 1...Ke2
        • 2.Qd1#
      • 1...Kc3
        • 2.Qd3#
      • 1...e2!
    • 1.Sdf2?
      • 1...Ke2
        • 2.Qd1#
      • 1...Kc3
        • 2.Qd3#
      • 1...e2
        • 2.Se4#
      • 1...exf2!
    • 1.Sf4?
      • 1...Kc3
        • 2.Qd3#
      • 1...e2!
    • 1.Sc5?
      • 1...Kc3
        • 2.Qd3#
      • 1...e2
        • 2.Se4#
      • 1...Ke2!
    • 1.Qe1+?
      • 1...Kc2
        • 2.Sb4#
      • 1...Kxd3!
    • 1.Qb2+?
      • 1...Kd1
        • 2.Sxe3#
      • 1...Kxd3!
  • Keys
    • 1.Sge5!
      • 1...Ke2
        • 2.Qe1#
      • 1...Kc3
        • 2.Qb2#
      • 1...e2
        • 2.Qc1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);N_GUARD,P-FLIGHT::QAB1(A)
        • K(a);N_GUARD,S_FLIGHT::QAR1(A)
      • Refutation
        • P(b);
    • Try
      • S(C);
      • Vars
        • K(a);N_GUARD,P-FLIGHT::QAB1(A)
        • K(a);N_GUARD,S_FLIGHT::QAR1(A)
        • P(b);SBLOCK::S(C)
      • Refutation
        • P(b);XS(C)
    • Try
      • S(C);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR1(A)
      • Refutation
        • P(b);
    • Try
      • S(C);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR1(A)
        • P(b);SBLOCK::S(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);N_GUARD,P-FLIGHT::S(C)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);N_GUARD,P-FLIGHT::S(D),XP(b)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
  • Actual
    • S(D);
    • Vars
      • K(a);N_GUARD,P-FLIGHT::QAR1(A)
      • K(a);N_GUARD,S_FLIGHT::QAB1(A)
      • P(b);SBLOCK::QAB1(A)
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