MESON Chess Problem Database

Problem Display
PID: 172420 (2K5/p7/1k6/2p5/P7/8/3Q4/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1997

2K5/p7/1k6/2p5/P7/8/3Q4/8

#2

3 + 3

3713 Snap 2018
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qb2+?
      • 1...Ka5
        • 2.Qb5#
      • 1...Ka6
        • 2.Qb5#
      • 1...Kc6!
  • Keys
    • 1.Qd7!
      • threat
        • 2.Qb5#
      • 1...Ka5
        • 2.Qb5#
      • 1...Ka6
        • 2.Qb5#
      • 1...a5
        • 2.Qb7#
      • 1...a6
        • 2.Qc7#

Anticipated by 176023(1941)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR1(A)
        • K(b);P-FLIGHT::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • K(b);S_FLIGHT::QAR1(A)
      • K(b);P-FLIGHT::QAB1(A)
      • P(c);SBLOCK::QAR1(A)
      • P(c);SBLOCK::QAB1(A)
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