MESON Chess Problem Database

Problem Display
PID: 214061 (2K5/8/8/2Bk4/N5P1/8/7Q/3B4 w - - 0 1)

Riczu, Lajos

Land og Folk, 1974

2K5/8/8/2Bk4/N5P1/8/7Q/3B4

#2

6 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Be2?
      • 1...Ke4
        • 2.Sc3#
      • 1...Kc6
        • 2.Qd6#
        • 2.Qh1#
        • 2.Qg2#
      • 1...Ke6!
    • 1.Qf4?
      • 1...Ke6
        • 2.Bb3#
        • 2.Qf5#
      • 1...Kc6!
    • 1.Qd6+?
      • 1...Ke4
        • 2.Sc3#
        • 2.Qd4#
      • 1...Kc4!
    • 1.Qc2?
      • 1...Ke5
        • 2.Qf5#
      • 1...Ke6
        • 2.Qf5#
      • 1...Kc6!
    • 1.Qh7?
      • 1...Ke5
        • 2.Qf5#
      • 1...Kc6
        • 2.Qb7#
        • 2.Qd7#
      • 1...Ke6
        • 2.Qf5#
      • 1...Kc4!
  • Keys
    • 1.Qb2!
      • 1...Kc4
        • 2.Qb3#
      • 1...Ke4
        • 2.Qd4#
      • 1...Kc6
        • 2.Bf3#
        • 2.Qb7#
      • 1...Ke6
        • 2.Bb3#

FEATURES

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