MESON Chess Problem Database

Problem Display
PID: 88661 (K1k5/2P5/1B2P3/8/4n3/8/8/2Q5 w - - 0 1)

Kolpakov, Viktor Sergeevich

Buletin Problemistic, 2000

K1k5/2P5/1B2P3/8/4n3/8/8/2Q5

#2

5 + 2

6490 yacpdb 2009
5454 Near Snap 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Qa1?
      • threat
        • 2.Qh8#
        • 2.Qa6#
      • 1...Sc3
        • 2.Qa6#
      • 1...Sc5
        • 2.Qh8#
      • 1...Sf6
        • 2.Qa6#
      • 1...Sd6!
    • 1.Qf1?
      • threat
        • 2.Qa6#
        • 2.Qf8#
      • 1...Sf2
        • 2.Qa6#
      • 1...Sc5
        • 2.Qf8#
      • 1...Sf6
        • 2.Qa6#
      • 1...Sd6!
    • 1.Qh1?
      • threat
        • 2.Qh8#
      • 1...Sf6
        • 2.Qb7#
      • 1...Sd6!
  • Keys
    • 1.Qc6!
      • threat
        • 2.Qb7#
        • 2.Qd7#
        • 2.Qe8#
      • 1...Sd6
        • 2.Qd7#
      • 1...Sc5
        • 2.Qe8#
      • 1...Sf6
        • 2.Qb7#

Anticipated by 47360(1993)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::QAB(A)
        • S(a);::QAR(A)
      • Refutation
        • S(a);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::QAB(A)
        • S(a);::QAR(A)
      • Refutation
        • S(a);
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Vars
        • S(a);OGATE::QAB1(A)
      • Refutation
        • S(a);
  • Actual
    • Q(A);
    • Threat
      • DUALS(3)
    • Vars
      • S(a);::QAB1(A)
      • S(a);::QAR2(A)
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