MESON Chess Problem Database

Problem Display
PID: 87596 (8/8/8/K7/Q3P3/N7/1kB5/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kukin, Gennady

Buletin Problemistic, 2000

8/8/8/K7/Q3P3/N7/1kB5/8

#2

5 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ka1
      • 2.Sc4#
    • 1...Ka2
      • 2.Sc4#
    • 1...Kc3
      • 2.Qb4#
  • Tries
    • 1.Kb4?
      • 1...Ka1
        • 2.Sc4#
      • 1...Ka2
        • 2.Sc4#
      • 1...Kc1!
    • 1.Kb5?
      • 1...Ka1
        • 2.Sc4#
      • 1...Ka2
        • 2.Sc4#
      • 1...Kc3
        • 2.Qb4#
      • 1...Kc1!
    • 1.Bd3?
      • 1...Ka1
        • 2.Sc4#
      • 1...Kc1
        • 2.Qc2#
      • 1...Ka2
        • 2.Sc4#
      • 1...Kc3!
    • 1.Qb3+?
      • 1...Ka1
        • 2.Qb1#
      • 1...Kc1!
    • 1.e5?
      • 1...Ka1
        • 2.Sc4#
      • 1...Ka2
        • 2.Sc4#
      • 1...Kc3
        • 2.Qb4#
      • 1...Kc1!
  • Keys
    • 1.Bb1!
      • 1...Ka1
        • 2.Qd4#
      • 1...Kc1
        • 2.Qc2#
      • 1...Kc3
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT::QAR(C)+S(B)
    • K(a);P-FLIGHT::QAR(C)+S(B)
    • K(a);S_FLIGHT::QAB1(C)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR(C)+S(B)
        • K(a);P-FLIGHT::QAR(C)+S(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR(C)+S(B)
        • K(a);P-FLIGHT::QAR(C)+S(B)
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);S_FLIGHT::QAR(C)+S(B)
        • K(a);S_FLIGHT::QAR1(C)
        • K(a);P-FLIGHT::QAR(C)+S(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(D);
      • Vars
        • K(a);S_FLIGHT::QAR(C)+S(B)
        • K(a);P-FLIGHT::QAR(C)+S(B)
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(a);S_FLIGHT::QAB(C)
      • K(a);S_FLIGHT::QAR1(C)
      • K(a);S_FLIGHT::QAB1(C)
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