MESON Chess Problem Database

Problem Display
PID: 172391 (2K5/N7/3Q4/k7/p2n4/8/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1997

2K5/N7/3Q4/k7/p2n4/8/8/8

#2

3 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qc5+?
      • 1...Sb5
        • 2.Qxb5#
      • 1...Ka6!
  • Keys
    • 1.Kb7!
      • threat
        • 2.Qb6#
      • 1...a3
        • 2.Qxa3#
      • 1...Sb5
        • 2.Sc6#
      • 1...Sc6
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::QAR1(A),XS(b)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • QAB1(A)
    • Vars
      • P(a);OGATEB::QAR2(A),XP(a)
      • S(b);N_GUARD,SBLOCK::S(B)
      • S(b);N_GUARD::QAR2(A)
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