MESON Chess Problem Database

Problem Display
PID: 172381 (7Q/8/5N2/8/5p2/5k2/7b/5K2 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1997

7Q/8/5N2/8/5p2/5k2/7b/5K2

#2

3 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bg1
      • 2.Qh3#
  • Tries
    • 1.Qh5+?
      • 1...Kg3
        • 2.Se4#
        • 2.Qg4#
      • 1...Ke3!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Qc3#
      • 1...Ke3
        • 2.Qc3#
      • 1...Kg3
        • 2.Qg4#
      • 1...Bg1
        • 2.Qh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::QAR2(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(C);
    • Threat
      • QAR(C)
    • Vars
      • K(b);P-FLIGHT::QAR2(C)
      • K(b);P-FLIGHT::QAR1(C)
      • B(a);N_GUARD::QAR2(C)
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