MESON Chess Problem Database

Problem Display
PID: 227760 (8/8/8/8/5Np1/2p3P1/3k1K2/1Q6 w - - 0 1)

Pikler, Robert

Magyar Sakkvilag, 1926

8/8/8/8/5Np1/2p3P1/3k1K2/1Q6

#2

4 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...c2
      • 2.Qe1#
  • Tries
    • 1.Kg1?
      • 1...Ke3
        • 2.Qd3#
      • 1...c2!
    • 1.Kg2?
      • 1...Ke3
        • 2.Qd3#
      • 1...c2!
    • 1.Qa1?
      • 1...c2
        • 2.Qe1#
      • 1...Kc2!
    • 1.Qf1?
      • 1...c2
        • 2.Qe1#
      • 1...Kc2!
    • 1.Qg1?
      • 1...c2
        • 2.Qe1#
      • 1...Kc2!
    • 1.Qh1?
      • 1...c2
        • 2.Qe1#
      • 1...Kc2!
  • Keys
    • 1.Kf1!
      • 1...Ke3
        • 2.Qd3#
      • 1...c2
        • 2.Qe1#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::QAB1(A)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • P(b);
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);
      • Vars
        • P(b);SBLOCK::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(b);SBLOCK::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(b);SBLOCK::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(b);SBLOCK::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • K(a);S_FLIGHT::QAR1(A)
      • P(b);SBLOCK::QAB1(A)
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