MESON Chess Problem Database

Problem Display
PID: 23301 (5B2/N7/8/8/3k2B1/8/3P1R2/K6Q w - - 0 1)

Zhuravlev, Andrey Nikolaevich

4th Prize, The Problemist, 1997/II

5B2/N7/8/8/3k2B1/8/3P1R2/K6Q

#2

7 + 1

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Sc6#
  • Tries
    • 1.Kb1?
      • 1...Kd3
        • 2.Qd5#
      • 1...Ke5
        • 2.Sc6#
      • 1...Kc4!
    • 1.Ka2?
      • 1...Kc4
        • 2.Qe4#
      • 1...Ke5
        • 2.Sc6#
      • 1...Kd3!
    • 1.Bd1?
      • 1...Kd3
        • 2.Qd5#
      • 1...Kc4
        • 2.Qe4#
      • 1...Ke5!
    • 1.Be6?
      • threat
        • 2.Qd5#
      • 1...Ke5
        • 2.Qd5#
      • 1...Kd3!
    • 1.Re2?
      • threat
        • 2.Qe4#
      • 1...Kd3
        • 2.Qe4#
      • 1...Kc4!
    • 1.Rf4+?
      • 1...Ke5
        • 2.Qe4#
      • 1...Kd3!
    • 1.Rf5?
      • threat
        • 2.Qd5#
      • 1...Kc4
        • 2.Qd5#
      • 1...Kd3!
    • 1.Qf3?
      • 1...Ke5
        • 2.Sc6#
      • 1...Kc4!
    • 1.Qc6?
      • 1...Ke5
        • 2.Bg7#
      • 1...Kd3!
  • Keys
    • 1.Kb2!
      • 1...Kd3
        • 2.Qd5#
      • 1...Kc4
        • 2.Qe4#
      • 1...Ke5
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(F)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
        • K(a);S_FLIGHT::S(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
        • K(a);S_FLIGHT::S(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(E);
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(E);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(D);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(D);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(D);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::S(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::B(G)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(A);S_FLIGHT
    • Vars
      • K(a);P-FLIGHT::QAR2(B)
      • K(a);S_FLIGHT::S(F)
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