MESON Chess Problem Database

Problem Display
PID: 179755 (4Q2B/8/8/1N1p4/2k5/P7/1K6/8 w - - 0 1)

Korenev, Valery Ivanovich

2nd Prize, Krymskaya pravda, 1976

4Q2B/8/8/1N1p4/2k5/P7/1K6/8

#2

5 + 2

136 Problem Observer 2011
5454 Near Snap 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sc3?
      • threat
        • 2.Qb5#
      • 1...Kd3
        • 2.Qe2#
      • 1...Kc5!
    • 1.Sa7?
      • threat
        • 2.Qb5#
      • 1...Kc5
        • 2.Qc6#
      • 1...Kd3!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qb5#
      • 1...Kd3
        • 2.Qe2#
      • 1...Kc5
        • 2.Qc6#

This anticipates 84985(1998)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB1(D)
      • Vars
        • K(a);S_FLIGHT::QAB1(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(C);
      • Threat
        • QAB1(D)
      • Vars
        • K(a);P-FLIGHT::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(C);
    • Threat
      • QAB1(D)
    • Vars
      • K(a);S_FLIGHT::QAB1(D)
      • K(a);P-FLIGHT::QAR1(D)
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