MESON Chess Problem Database

Problem Display
PID: 7724 (5b2/3p4/5Q2/1K1k2N1/8/8/8/4N3 w - - 0 1)

Pilchenko, Viacheslav Karlovich

Die Schwalbe, 1993

5b2/3p4/5Q2/1K1k2N1/8/8/8/4N3

#2

4 + 3

2838 Fun with Chess Miniatures 1996

SOLUTION

  • SOUND
  • Tries
    • 1.Sc2?
      • threat
        • 2.Se3#
        • 2.Qd4#
      • 1...Bg7
        • 2.Se3#
        • 2.Sb4#
      • 1...Bc5!
    • 1.Sd3?
      • threat
        • 2.Sf4#
        • 2.Qe5#
      • 1...Bg7
        • 2.Sb4#
        • 2.Sf4#
      • 1...d6
        • 2.Sb4#
        • 2.Sf4#
      • 1...Bd6!
    • 1.Sef3?
      • threat
        • 2.Qd4#
        • 2.Qe5#
      • 1...Bc5
        • 2.Qe5#
      • 1...Bd6
        • 2.Qd4#
        • 2.Qf7#
      • 1...d6
        • 2.Qd4#
        • 2.Qf5#
        • 2.Qe6#
        • 2.Qf7#
      • 1...Bg7!
    • 1.Qf5+?
      • 1...Kd6
        • 2.Qc5#
      • 1...Kd4!
  • Keys
    • 1.Sg2!
      • threat
        • 2.Se3#
        • 2.Sf4#
      • 1...Bc5
        • 2.Sf4#
      • 1...Bd6
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Refutation
        • B(c);
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Refutation
        • B(c);
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Vars
        • B(c);::QAR1(D)
      • Refutation
        • B(c);
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);OGATE,P-FLIGHT::QAB1(D)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(A);
    • Threat
      • DUALS(2)
    • Vars
      • B(c);::S(A)
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