MESON Chess Problem Database

Problem Display
PID: 171414 (8/4p3/1K2B3/8/pk3p2/5Q2/8/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Shakh-M (Borovich), 1997

8/4p3/1K2B3/8/pk3p2/5Q2/8/8

#2

3 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...a3
      • 2.Qb3#
  • Tries
    • 1.Qd3?
      • 1...a3
        • 2.Qc4#
        • 2.Qb3#
        • 2.Qd4#
      • 1...f3!
    • 1.Qe3?
      • threat
        • 2.Qc5#
      • 1...a3
        • 2.Qd4#
        • 2.Qb3#
      • 1...fxe3!
    • 1.Qh3?
      • 1...a3
        • 2.Qb3#
      • 1...f3!
  • Keys
    • 1.Qc6!
      • threat
        • 2.Qc5#
      • 1...Ka3
        • 2.Qc3#
      • 1...a3
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(a);N_GUARD::QAR1(A)
  • Tries
    • Try
      • Q(A);
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Refutation
        • P(c);XQ(A)
    • Try
      • Q(A);
      • Vars
        • P(a);N_GUARD::QAR1(A)
      • Refutation
        • P(c);
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);S_FLIGHT::QAR2(A)
      • P(a);SBLOCK::QAR1(A)
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