MESON Chess Problem Database

Problem Display
PID: 247517 (K1N5/3k4/3P2P1/2Q5/8/8/2B5/8 w - - 0 1)

Shumarin, Vladimir Pavlovich

Zadachi i Etyudi, 2003

K1N5/3k4/3P2P1/2Q5/8/8/2B5/8

#2

6 + 1

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Qf5#
  • Tries
    • 1.Sb6+?
      • 1...Kd8
        • 2.Qc8#
      • 1...Ke8
        • 2.Qc8#
      • 1...Ke6!
    • 1.Sa7?
      • 1...Kd8
        • 2.Qc8#
      • 1...Ke8
        • 2.Qc8#
      • 1...Ke6!
    • 1.Se7?
      • 1...Kd8
        • 2.Qc8#
      • 1...Ke8
        • 2.Qc8#
      • 1...Ke6!
    • 1.Ba4+?
      • 1...Kd8
        • 2.Qc7#
      • 1...Ke6!
    • 1.Qa5?
      • 1...Kc6
        • 2.Ba4#
      • 1...Ke6
        • 2.Qf5#
      • 1...Kxc8
        • 2.Bf5#
        • 2.Qc7#
      • 1...Ke8!
    • 1.Qb5+?
      • 1...Ke6
        • 2.Qf5#
      • 1...Kxc8
        • 2.Qe8#
      • 1...Kd8!
    • 1.Qe5?
      • 1...Kc6
        • 2.Ba4#
      • 1...Kxc8
        • 2.Qe8#
      • 1...Kd8!
    • 1.Qc7+?
      • 1...Ke8
        • 2.Qe7#
      • 1...Ke6!
  • Keys
    • 1.Qg5!
      • 1...Kc6
        • 2.Ba4#
      • 1...Ke6
        • 2.Qf5#
      • 1...Kxc8
        • 2.Bf5#
      • 1...Ke8
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(B)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::B(A)
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
        • K(a);OGATE,S_FLIGHT,XS(F)::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::B(A)
        • K(a);S_FLIGHT,XS(F)::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(a);S_FLIGHT::B(A)
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);S_FLIGHT,XS(F)::B(A)
      • K(a);S_FLIGHT::QAR1(B)
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