MESON Chess Problem Database

Problem Display
PID: 172260 (8/8/3p4/3p4/K1kp4/1p6/3Q4/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kubanski novosti, 1996

8/8/3p4/3p4/K1kp4/1p6/3Q4/8

#2

2 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...b2
      • 2.Qc2#
    • 1...d3
      • 2.Qb4#
  • Tries
    • 1.Qd3+?
      • 1...Kc5
        • 2.Qb5#
      • 1...Kxd3!
  • Keys
    • 1.Ka5!
      • 1...Kc5
        • 2.Qc1#
      • 1...b2
        • 2.Qc2#
      • 1...d3
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(a);N_GUARD::QAR2(A)
    • P(c);SBLOCK::QAR1(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);OGATE,P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT,XQ(A)
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • K(b);P-FLIGHT::QAR(A)
      • P(a);N_GUARD::QAR2(A)
      • P(c);SBLOCK::QAR1(A)
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