MESON Chess Problem Database

Problem Display
PID: 213142 (K2k4/n3N3/1p2Q3/8/8/8/8/4B3 w - - 0 1)

Kichigin, Viktor Vladimirovich

Land og Folk, 1978

K2k4/n3N3/1p2Q3/8/8/8/8/4B3

#2

4 + 3

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sc6+?
      • 1...Kc7
        • 2.Bg3#
      • 1...Sxc6!
    • 1.Bb4?
      • 1...Kc7
        • 2.Qd6#
      • 1...Ke8
        • 2.Sc6#
      • 1...Sb5
        • 2.Qc8#
      • 1...Sc6
        • 2.Qc8#
      • 1...Sc8
        • 2.Qxc8#
      • 1...b5!
  • Keys
    • 1.Bh4!
      • threat
        • 2.Sd5#
      • 1...Kc7
        • 2.Sd5#
      • 1...Ke8
        • 2.Sg6#
      • 1...Sc6
        • 2.Qc8#
      • 1...Sc8
        • 2.Qxc8#

FEATURES

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