MESON Chess Problem Database

Problem Display
PID: 197288 (2N5/5B2/8/K7/3k4/8/4Q3/8 w - - 0 1)

Surkov, Valery Albertovich

Zadachi i Etyudi, 1996

2N5/5B2/8/K7/3k4/8/4Q3/8

#2

4 + 1

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qc4#
  • Tries
    • 1.Ka4?
      • 1...Kc5
        • 2.Qc4#
      • 1...Kc3!
    • 1.Ka6?
      • 1...Kc5
        • 2.Qc4#
      • 1...Kc3!
    • 1.Sd6?
      • 1...Kc3
        • 2.Sb5#
      • 1...Kc5!
    • 1.Se7?
      • 1...Kc5
        • 2.Qe5#
      • 1...Kc3!
    • 1.Ba2?
      • 1...Kc5
        • 2.Qc4#
      • 1...Kc3!
    • 1.Bb3?
      • 1...Kc5
        • 2.Qc4#
      • 1...Kc3!
    • 1.Be6?
      • 1...Kc5
        • 2.Qc4#
      • 1...Kc3!
    • 1.Bg8?
      • 1...Kc5
        • 2.Qc4#
      • 1...Kc3!
    • 1.Qf3?
      • 1...Kc5
        • 2.Qd5#
        • 2.Qc3#
      • 1...Ke5!
    • 1.Qe1?
      • 1...Kc5
        • 2.Qc3#
      • 1...Kd3!
  • Keys
    • 1.Sa7!
      • 1...Kc3
        • 2.Sb5#
      • 1...Kc5
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(A)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);S_FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(a);S_FLIGHT::S(D)
      • K(a);S_FLIGHT::QAR2(A)
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