MESON Chess Problem Database

Problem Display
PID: 287239 (7B/8/8/1n6/1K3Q2/3k2n1/8/3B4 w - - 0 1)

Zimmer, Eligiusz

Problem Paradise, 2022

7B/8/8/1n6/1K3Q2/3k2n1/8/3B4

#2

4 + 3

15601 Albrecht-Leiss-Degener Collection 2026

SOLUTION

  • SOUND
  • Sets
    • 1...Sa3
      • 2.Qd4#
    • 1...Sc3
      • 2.Qd4#
    • 1...Sd4
      • 2.Qxd4#
    • 1...Sd6
      • 2.Qd4#
    • 1...Sa7
      • 2.Qd4#
    • 1...Sc7
      • 2.Qd4#
  • Tries
    • 1.Qxg3+?
      • 1...Ke4
        • 2.Qf3#
      • 1...Kd2!
  • Keys
    • 1.Qf2!
      • threat
        • 2.Bc2#
      • 1...Ke4
        • 2.Qf3#
      • 1...Se2
        • 2.Qxe2#
      • 1...Sa3
        • 2.Qd4#
      • 1...Sd4
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • S(c);N_GUARD::QAR1(C)
    • S(c);N_GUARD::QAR1(C),XS(c)
  • Tries
    • Try
      • Q(C);CHECK,XS(b)
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);
    • Threat
      • B(A)
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAB1(C)
      • S(b);N_GUARD::QAB1(C),XS(b)
      • S(c);N_GUARD::QAR1(C)
      • S(c);N_GUARD::QAR1(C),XS(c)
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